Dual Hydrogen Control Panel (DHCP)
Installation and Operation Manual
HA0156P01 Rev. D120V & 220V Bottom Entry
DETECTION SYSTEMS
1 HA0156P01 Rev. D
ContentsIntroduction ..................................................................................................................................... 6
Specifications .................................................................................................................................. 7
System Description ......................................................................................................................... 8Gas Analyzers (Sensor Cells QT-290A, QT-290B, Controller PCB HD0039G01, I/O PCBHD0043G01, Display PCB HD0138G03) ................................................................................... 8Control/Display Panel ................................................................................................................ 9Sensor Cell Assembly ................................................................................................................. 9Flow Indicators with Metering Valves (FI-2971, FI-2972) .......................................................... 9Total Gas Flowmeter (FI-2973) .................................................................................................. 9Differential Pressure Gage (PDI-292) ....................................................................................... 10Differential Pressure Transmitter (PDT-292) ............................................................................ 10Purifiers ................................................................................................................................... 10Moisture Indicators (MI-2971, MI-2972, MI-2973) ................................................................... 10Metering Valves (HO-2971, HO-2972, HO-2973, HO-2974) ...................................................... 10
Installation .................................................................................................................................... 11Cabinet Mounting .................................................................................................................... 11Lifting ...................................................................................................................................... 11Electrical Connections ............................................................................................................. 11Contacts/Signals ...................................................................................................................... 12Circuit Protection ..................................................................................................................... 12
System Operation ......................................................................................................................... 13DHCP Initialization .................................................................................................................. 13Flow Calibration ...................................................................................................................... 14Gas Calibration ....................................................................................................................... 14Normal Operation .................................................................................................................... 15Purge Operation ....................................................................................................................... 16Mode Menu .............................................................................................................................. 16Cell Output Voltages ................................................................................................................ 18
Maintenance ................................................................................................................................. 19Daily ........................................................................................................................................ 19Weekly...................................................................................................................................... 19Every Six Months ..................................................................................................................... 19When the Generator is Down ................................................................................................... 19
Component Replacement Instructions .......................................................................................... 20Removing a Gas Analyzer Sensor ............................................................................................. 20Removing a Processor Circuit Board ........................................................................................ 20Removing the Input/Output (I/O) Circuit Board ......................................................................... 21Removing Solenoid Valves Coils ............................................................................................... 21
2HA0156P01 Rev. D
Removing Moisture Indicators .................................................................................................. 21Removing Gas Purifiers ........................................................................................................... 22Removing Flow Meters............................................................................................................. 22
3 HA0156P01 Rev. D
FiguresFigure 1 - DHCP Outline ............................................................................................................................. 25Figure 2 - DHCP Main Junction Box, Internal Component ........................................................................... 27Figure 3 - Customer Interface Connections ................................................................................................. 28Figure 4 - DHCP Wiring Diagram ............................................................................................................... 29Figure 4a - DHCP Wiring Diagram ............................................................................................................. 31Figure 5 - DHCP Piping Schematic ............................................................................................................. 33Figure 6 - Analyzer Status ........................................................................................................................... 35Figure 7 - DHCP Display ............................................................................................................................ 36Figure 8 - DHCP Display Descriptions ........................................................................................................ 37Figure 9 - DHCP Status .............................................................................................................................. 38Figure 10 - DHCP Customer Contacts ........................................................................................................ 39Figure 11 - Valve/Switch Configuration, Normal % H2 in Air ....................................................................... 40Figure 12 - Valve/Switch Configuration, Purge % H2 in CO2 ....................................................................... 40Figure 13 - Valve/Switch Configuration, Purge % Air in CO2 ...................................................................... 41Figure 14 - Valve/Switch Configuration, Case .............................................................................................. 41Figure 15 - Valve/Switch Configuration, Confirmation Mode, Turbine End .................................................... 42Figure 16 - Valve/Switch Configuration, Confirmation Mode, Collector End.................................................. 42Figure 17 - Valve/Switch Configuration, Calibrate N2 (Both Analyzers) ....................................................... 43Figure 18 - Valve/Switch Configuration, Calibrate CO2 (Both Analyzers) .................................................... 43Figure 19 - Valve/Switch Configuration, Calibrate H2 (Both Analyzers) ....................................................... 44Figure 20 - Valve/Switch Configuration, Calibrate N2 (Turbine End) ............................................................ 44Figure 21 - Valve/Switch Configuration, Calibrate N2 (Collector End) .......................................................... 45Figure 22 - Valve/Switch Configuration, Calibrate CO2 (Turbine End) .......................................................... 45Figure 23 - Valve/Switch Configuration, Calibrate CO2 (Collector End) ....................................................... 46Figure 24 - Valve/Switch Configuration, Calibrate H2 (Turbine End) ............................................................ 46Figure 25 - Valve/Switch Configuration, Calibrate H2 (Collector End) .......................................................... 47Figure 26 - Parts List ................................................................................................................................... 48
4HA0156P01 Rev. D
5 HA0156P01 Rev. D
Dual Hydrogen Control Panel (DHCP) SystemImportant Information
THIS EQUIPMENT OPERATES AT VOLTAGE LEVELS THAT CAN BE HAZARDOUS TOPERSONNEL. READ THE SECTION ABOUT SAFETY CONSIDERATIONS BEFOREINSTALLING OR SERVICING.
THESE INSTRUCTIONS DO NOT PURPORT TO COVER ALL DETAILS OR VARIATIONSIN EQUIPMENT NOR TO PROVIDE FOR EVERY POSSIBLE CONTINGENCY TO BE METIN CONNECTION WITH INSTALLATION, OPERATION OR MAINTENANCE.
SHOULD FURTHER INFORMATION BE DESIRED, OR SHOULD PARTICULAR PROB-LEMS ARISE THAT ARE NOT COVERED SUFFICIENTLY FOR THE PURCHASER’SPURPOSES, REFER THE MATTER TO ENVIRONMENT ONE CORPORATION.
IT IS THE RESPONSIBILITY OF SITE MANAGEMENT TO ASSURE THAT ONLYTRAINED/QUALIFIED PERSONNEL OPERATE AND/OR SERVICE THIS EQUIPMENT.
Dual Hydrogen Control Panel (DHCP) SystemSafety Considerations
THE SYSTEM ELECTRONICS ENCLOSURE AND CUSTOMER INTERFACEENCLOSURE CONTAIN 115 AND OR 230 VOLTS AC. THIS VOLTAGE APPEARS AT THEAC POWER STRIP AND VARIOUS OTHER POINTS. EQUIPMENT OPERATIONINVOLVES A FLAMMABLE GAS (HYDROGEN) UNDER PRESSURE. APPROPRIATEMEASURES MUST BE TAKEN TO PREVENT LEAKS AND AVOID SOURCES OFIGNITION.
ALL ELECTRICAL CONNECTIONS BETWEEN THE SYSTEM ELECTRONICS,CUSTOMER INTERFACE AND DISPLAY/CONTROL PANEL SHOULD BE TESTED ANDVERIFIED TO BE CORRECT.
ALL WIRING MUST BE IN ACCORDANCE WITH LOCAL CODE AND/OR CENELECSTANDARD EN50014.
ALL GAS CONNECTIONS TO THE PANEL MUST BE LEAK CHECKED PRIOR TOAPPLYING AC POWER.
CHECK FOR LEAKS AT ALL TUBING AND MECHANICAL CONNECTIONS. IF LEAKSARE FOUND, DETERMINE THE CAUSE AND REPAIR. REPEAT THE LEAK CHECKUNTIL THE PANEL IS DETERMINED TO BE LEAK TIGHT.
6HA0156P01 Rev. D
Introduction
Modern high capacity turbine generators use hydrogen gas as a cooling medium. Tworeasons for using hydrogen are 1) hydrogen has the best heat transfer characteristics of anygas; and 2) the low atomic weight of hydrogen makes it the lightest and, therefore, has thelowest density of any stable gas (10 percent that of air at a purity of 98 percent), resulting inthe lowest windage losses.
The hydrogen auxiliary system exists to maintain the quality and quantity of cooling gasrequired to ventilate the conducting and rotating parts of hydrogen cooled generators. Glandseals are used to prevent hydrogen leakage through the clearance between the shaft andthe frame.
In order to maintain hydrogen gas purity of approximately 98 percent, some generators usea seal gland system, where a small quantity of hydrogen gas is continuously scavengedfrom two (collector end and turbine end) seal drain enlargements and discharged into theatmosphere.
The Dual Hydrogen Control Panel (DHCP) contains two independent Generator Gas Analyz-ers (GGA’s) and circuitry to control the rate of scavenging in order to maintain high gaspurity. Environment One’s microprocessor-controlled Generator Gas Analyzer (GGA), withits triple-range sensor cell, is capable of measuring 70 to 100 percent H2 in Air, 0 to 100percent H2 in CO2 and 0 to 100 percent Air in CO2.
Each GGA continuously analyzes the generator cooling gas, displays gas purity in real timeand has a corresponding 4 to 20 mA output. In the event that the gas purity falls to a warn-ing or alarm level, a visual indication is given and alarm contacts are switched.
The GGA’s triple-range sensor cell also monitors purge gases used during generator shut-down and maintenance. Purge gas purity is displayed and a corresponding 4 to 20 mAoutput is provided for H2 in CO2 or Air in CO2.
7 HA0156P01 Rev. D
Specifications
Input Voltage 120 Vac 50/60 Hz220 Vac 50/60 Hz
Ambient Temperature 32 F to 125 F (0 C to 52 C)
Maximum Pressure 100 psi
Ambient Location Class 1, Division 1, Group B
Gas Analyzer Switchable — Triple RangeSensing Unit (70-100% H2 in Air)
(0-100% H2 in CO2)(0-100% Air in CO2)
Accuracy +/- 1% of full scale @ 80-100% H2 in Air
Outputs 4-20 mA current output
Alarm Levels Alarm and warning levels are adjustable
Relay Contact Rating 30V/1A DC 120V/0.5A AC125V/0.005A (Resistive) DC
Data Retention Lithium battery-supported RAM10 years minimum
Indicators AC power, Trouble, Normal (H2 in Air),Purge (H2 in CO2), Purge (Air in CO2),Calibrate H2, Calibrate CO2, Calibrate N2,One 3-character LED numeric displays,One 16-character LCD display
Weight 475 lbs (standard)1,100 lbs (NEMA 3R)
Dimensions 17” d x 64 3/4” h x 36” w (standard)27.5” d x 72” h x 42” w (NEMA 3R)
8HA0156P01 Rev. D
System Description
The Dual Hydrogen Control Panel (DHCP) is designed for use on hydrogen-cooled genera-tors. It is designed to operate in Class 1, Division 1, Group B hazardous areas. The DHCPanalyzes and, in real time, displays the hydrogen gas purity on built-in numeric displays.Environment One’s GGA can be supplied as an Ex, CE labeled system for Zone 1 environ-ments. Contact Environment One for details.
The major components of the DHCP include:
• 2 completely independent, generator gas analyzers (GGA)
• 2 hydrogen gas flow indicators with metering valves
• 1 total hydrogen gas flow indicator
• 1 fan differential pressure transmitter and gage
• 3 hydrogen gas purifiers
• 3 moisture indicators
• 4 metering valves
• Numerous isolation valves
• 2 local display panels that indicate gas purity and specific operating conditions
Gas Analyzers (Sensor Cells QT-290A, QT-290B, Controller PCBHD0039G01, I/O PCB HD0043G01, Display PCB HD0138G03)
Analyzers and their printed circuit boards (PCBs) are interchangeable. Each analyzer iscomprised of a sensing unit, controller PCB, sensor cells and input/output (I/O) PCB. AllPCB’s are housed in the main junction box (Figure 1); local display panels are mounted onthe front of the panel (Figure 1).
Each analyzer independently provides purity monitoring, calibration, mode selection, sensorunit control, alarm electronics, data logging, system inputs/outputs and sensing unitlinearization. See Figure 8 for display panel features and functions.
Fail-safe operation of the Gas Analyzers is ensured by:
1. On power-up the GGA must execute and pass qualifying self tests. Failure in any testresults in termination of operation and annunciation of the condition causing the failure.
2. Following power-up and/or system reset, the GGA is continuously supervised by anindependent watchdog monitor that serves to reset it should its operation becomeerratic.
9 HA0156P01 Rev. D
3. The GGA is completely self-supervised and continuously checks itself for legal processorfunctioning, internal voltages, analog-to-digital conversion accuracy, integrity of cablingand relay operation. Any faults are immediately annunciated as “trouble” on the displayand accompanied by a change in the corresponding relay state.
See Analyzer Failure for more information.
Control/Display Panel
The Control/Display Panel provides control of all functions of the GGA as well as completeannunciation of the status of the GGA (Figure 7). Functions are accessed by means of afour-button membrane-switch keypad and 16-character Liquid Crystal Display (LCD). Gener-ally, pressing the Fn (Function) key causes the LCD to continuously scroll the names of theGGA’s available functions. A function may then be accessed by pressing the ENTER keywhen the function name appears. To signal confirmation, the function name flashes briefly.
The Display Panel provides Light Emitting Diodes (LEDs) to annunciate the Normal (H2 inair), Purge (H2 in CO2 and air in CO2), and Calibrate (H2, CO2 and N2) GGA states. In addi-tion, they indicate Warning, Alarm and Trouble conditions. A green LED indicates AC Power.It is important to understand that, should the GGA go into either Warning and/or Alarm,it will lock into continuous monitoring of the gas stream. No other function can beaccessed unless the Alarm/Warning Reset key is first pressed.
To permit a system level initialization (“cold start”), a momentary push-button, located behindthe Display Panel (Figure 7) in the upper right hand corner, may be pressed. Since allcalibration constants are stored in non-volatile memory, these values will not be lost shouldthe system be initialized or should it lose, then regain, AC power.
Sensor Cell Assembly
The sensor cell assembly is comprised of a sampling thermistor and a reference thermistor— both operated at very low power in a self-heated mode — embedded in a temperature-regulated cell block. Gas purity is derived as a function of the thermal conductivity of the gasmixture to the heat output of the thermistors under known constraints. See Cell OutputVoltages for a detailed description for the sensor cell.
Flow Indicators with Metering Valves (FI-2971, FI-2972)
Two low-flow gas indicators with needle metering valves are used to adjust the hydrogen gasflow through each sensing unit (Analyzer 1 and Analyzer 2, Figure 1). Both have a direct readscale with a range of 90 to 900 cc/min, calibrated with hydrogen.
Note: Flow indication changes with different gases. For hydrogen, the flow should be set for500 cc/min.
Total Gas Flowmeter (FI-2973)
A high flow gas indicator is used to indicate the scavenging flows (Total Flow, Figure 1). Thehigh flow gas indicator has a direct read scale with a range of 540 to 5,400 cc/min whencalibrated with hydrogen.
Note: Flow indication changes with different gases. Metering valves adjust the flow of thecollector end low flow, collector end high flow, turbine end low flow and turbine end highflow. See Flow Calibration for flow settings.
(Gas Analyzers cont’d)
10HA0156P01 Rev. D
Differential Pressure Gage (PDI-292)
A differential pressure gage measures the generator fan differential pressure (FanDifferential, Figure 1). The standard differential pressure gage has dual scales with ranges of0 to 30 inches H2O and 0 to 76.2 gm/cm2. Some units may be equipped with special gagescales.
Differential Pressure Transmitter (PDT-292)
A differential pressure transmitter provides an output signal corresponding to the generatorfan differential pressure (Figure 1). This 4 to 20 mA output is externally provided by theMark V and corresponds to 0 to 30 inches H2O. Some units may be equipped with a specialrange.
Purifiers
Three gas purifiers remove foreign matter from the hydrogen stream (Turbine End Purifier,Case Purifier, Collector End Purifier; Figure 1). Removal of oil, water and particles above 12microns is accomplished through the use of molecular sieve materials and special filters.The filters are available in replaceable cartridges, HA0139P02.
Moisture Indicators (MI-2971, MI-2972, MI-2973)
Three moisture indicators indicate the downstream presence of moisture in the hydrogenstream (Turbine End Moisture, Collector End Moisture, Case Moisture; Figure 1). The unitsare supplied with a dyed silica gel, which gradually changes from blue (at relative humidityless than 4 percent) to pink (at relative humidity higher than 40 percent). These devices arereplaceable.
Metering Valves (HO-2971, HO-2972, HO-2973, HO-2974)
Four needle metering valves provide adjustment for the scavenging flow rates (CollectorEnd Low Flow, Turbine End Low Flow, Collector End High Flow, Turbine End High Flow;Figure 1). See Flow Calibration for flow settings.
11 HA0156P01 Rev. D
Installation
Follow the installation instructions to ensure proper installation of the equipment. The exactlocation of the DHCP should be in accordance with the recommendations made by GeneralElectric or its authorized representative.
Cabinet Mounting
Choose a location that is not subject to extremes of dust, temperature, vibration or shock.The panel should be accessible for service, with adequate clearance to open the enclosureand display panel doors (Figure 1). The DHCP has four foundation bolt openings (Figure 1).The openings allow you to insert four 5/8-inch bolts for securing the panel to the floor. Thebolts are isolated from the panel through the use of compression vibration insulators. Usefasteners that are compatible with the mounting surface and able to support the weight ofthe panel. Lifting bolts at the top of the panel allow for easy connection to overhead cranes.
Lifting
The DHCP should be lifted by the pair of eye bolts provided at the top of the frame.
Electrical Connections
Prior to applying power to the DHCP unit, ensure that the local power source matches thepower rating on the DHCP nameplate.
The DHCP unit is shipped with all isolation and metering valves closed. All gas lines must beconnected to the DHCP and leak-tested before continuing.
Electrical connections are made through four 3/4-inch male conduit unions at the bottom ortop of the panel (Figure 1). System power requirements are 120 or 220 Volts AC (systemsare supplied for specifically 120 V or 220 V). The AC power source should be reliable andnot subject to severe transients. Total load max.: 400 watts.
Electrical connections, located inside of the main junction box, are accessed by removing 323/4” hex captive bolts. Two guide studs are provided for assistance in removal/replacement.
CAUTION! Do not scratch sealing surfaces on the main junction box. The mainjunction box lid weighs 50 lbs (22.7 kg). Take precautions during removal. Prior toopening the main junction box, remove power from the DHCP and ensure the systemis free of hydrogen.
Wire routing should be in accordance with Figure 3 or 4. This ensures that noise generatedfrom the AC power and contacts does not interfere with the signals. Connections are madeto barrier type terminal strips (Figure 3).
12HA0156P01 Rev. D
Contacts/Signals
The DHCP includes alarm and status relays (Figures 3, 9, 10). They are:
• Warning Relay Both a normally open and a normally closed contact (single pole, doublethrow configuration) is provided and a warning is signaled by an energized relay.
• Alarm Relay Both a normally open and a normally closed contact (single pole, doublethrow configuration) is provided and an alarm is signaled by an energized relay.
• Trouble Relay Both a normally open and a normally closed contact (single pole, doublethrow configuration) is provided and Trouble is signaled by an energized relay.
• 4-20 mA output signals are provided for Analyzer #1, Analyzer #2 and the DP Transmit-ter (Figure 3).
• The 4-20 mA signals for Analyzer #1 and Analyzer #2 correspond to 70 to 100 percent inNormal mode (H2 in air) and 0 to 100 percent in Purge modes (H2 and CO2 & Air in CO2).
• Analyzer #1 and Analyzer #2’s output signals are internally powered. These signalsare not to be powered by the Mark V, Mark VI.
• The 4-20 mA signal for the DP Transmitter is powered by the Mark V, Mark VI.
See Figure 3 for locations of signals on terminal block. See Figures 9 and 10 for descriptionof conditions where relays are activated.
Circuit Protection
Each GGA is individually fused. A half-amp slo-blo fuse, located on the Input/Output PCB,provides circuit protection.
13 HA0156P01 Rev. D
System Operation
The DHCP’s main purpose is to analyze and display the hydrogen gas purity of hydrogencooled generators. This section describes system operation.
DHCP Initialization
With system power on, press the RESET push-button on the backside of the DISPLAYPANEL (Figure 7). Reset each of the two gas analyzer units separately.
The GGA will perform several self tests and, if they are successful, the DISPLAY PANEL willrespond with (a) all discrete LEDs lit; (b) all segments and the tenths place decimal point ofthe GAS PURITY display lit; and (c) all pixels of the LCD display on. Within several seconds(a) all discrete LEDs, except the AC POWER and TROUBLE LEDS, will turn off; (b) allsegments, except the tenths place decimal point of the GAS PURITY display will turn off;and (c) the display will indicate LINKING …, as the DISPLAY PANEL initiatescommunication with the rest of the system. Communication should be established withinseveral seconds and the LCD display will then echo the results of cold-start initialization:
• GGA ANALYZER READY
• INITIALIZING …
• 12 BIT ADC …
• … CALIBRATED Note: If calibration is unsuccessful then the LCD will display 12 BITADC ERROR. After annunciating TROUBLE, the processor will be stopped because, atthis point in the start-up sequence, this condition is a fatal error. Contact EnvironmentOne at (518) 346-6161.
• 8 BIT ADC …
• … CALIBRATED Note: If calibration is unsuccessful then the LCD will display 8 BITADC ERROR. After annunciating TROUBLE, the processor will be stopped because, atthis point in the start-up sequence, this condition is a fatal error. Contact EnvironmentOne at (518) 346-6161.
• Iout SET TO 4 mA where Iout is the 4-20 mA GGA output. See below.
• Tcell = XX.X 0C (where XX.X is the instantaneous cell block temperature). For an inde-terminate period (normally not exceeding 15 minutes for a cold start), the LCD willdisplay the real-time temperature of the sensor cell block. When the temperature rises to55.0 C +/- 0.5 C, the system will advance and the display will indicate:
• ANALYZER READY After this last message, all discrete LEDs will go out except ACPOWER and TROUBLE. In response to the prompts NORMAL (H2/AIR), CONFIGUREVALVES, permit the sample gas to flow through the sensor then press the ENTER key.This is the NORMAL mode of operation. See Normal for more information.
For a first time installation, it is essential that a gas sensor calibration be performed on thesystem. Also, the faults log should be cleared. See System for more information.
14HA0156P01 Rev. D
Flow Calibration
Refer to Figure 5 for piping component location and Figures 11 through 25 for valve configu-rations.
With the DHCP system in normal operation, manually close all isolation valves and meteringvalves.
Set CE low flow. Open isolation valve HV-2973. Adjust the collector end low flow meteringvalve HO-2974 for a flow setting of approximately 1000 SCCM at total flow meter FI-2973.
Set CE high flow. While Mark V is energizing FY-2973, adjust the collector end high flowmetering valve HO-2973 for a total flow of approximately 2000 SCCM at total flow meter FI-2973. After adjustment is made, ensure that FY-2973 is de-energized by the generatorcontrol system (Mark V).
Set Cell #2 flow. Open isolation valves HV-2974, HV-2982 and HV-2981; adjust the flowmeter/metering valve FI-2972 for a flow of approximately 500 SCCM. Total flow meter FI-2973 should indicate approximately 1500 SCCM. Close HV-2973, HV-2974, HV-2982 andHV-2981.
Set TE low flow. Open isolation valve HV-2971. Adjust the turbine end low flow meteringvalve HO-2972 for a flow setting of approximately 1000 SCCM at total flow meter FI-2973.
Set TE high flow. While Mark V is energizing FY-2971, adjust the turbine end high flowmetering valve HO-2971 for a total flow of approximately 2000 SCCM at total flow meter FI-2973. After adjustment is made, ensure that FY-2971 is de-energized by the generatorcontrol system (Mark V).
Set Cell #1 flow. Open isolation valves HV-2972, HV-2979 and HV-2980. Adjust the indica-tor/metering valve FI-2971 for a flow of approximately 500 SCCM. Total flow meter FI-2973should indicate approximately 1500 SCCM.
Open HV-2973, HV-2974, HV-2982 and HV-2981. Total flow meter FI-2973 should indicateapproximately 3000 SCCM.
Gas Calibration
Calibrate each of the two gas analyzer units separately.
Press the Fn key on the GGA. Wait until the display scrolls to the prompt GASCALIBRATION then press the ENTER key. The display will scroll the prompts CALIBRATEH2, CALIBRATE CO2 and CALIBRATE N2. Wait until the display scrolls to the promptCALIBRATE H2 then press the ENTER key. In response to the prompts CALIBRATE H2,CONFIGURE VALVES, permit the hydrogen calibration gas to flow through the sensor. Withthe calibration gas flowing the LCD will display the voltage output of the reference cellsensor in the format Vref=X.XXX VDC. Press the Fn key to cancel the calibration at thispoint, if desired; this will permit a return to the main menu. If desired to continue thecalibration, observe the reference voltage and, if it appears stable (i.e., a final change of notgreater than 1 to 2 mV per minute), press the ENTER key.
The LCD will display the voltage output of the sample cell sensor in the format“Vcell=X.XXXVDC.” Again, the calibration may be terminated by pressing Fn. If it is
15 HA0156P01 Rev. D
continued, observe the sample cell voltage as it adjusts to the flowing H2 calibration spangas. When it appears stable (i.e., a final change of not greater than 1 mV per minute, whichoccurs within approximately 15 minutes) press the ENTER key. The LCD will display H2
CALIBRATED. This concludes H2 calibration.
The display will scroll the prompts CALIBRATE H2, CALIBRATE CO2 and CALIBRATE N2.Press the Fn key on the GGA to return to the main menu or to continue gas calibration, waituntil the display scrolls to the prompt CALIBRATE CO2 and press the ENTER key. Inresponse to the prompts CALIBRATE CO2, CONFIGURE VALVES, permit the CO2
calibration gas to flow through the sensor. With the calibration gas flowing the LCD willdisplay the voltage output of the reference cell sensor in the format Vref=X.XXX VDC. Ifdesired to cancel the calibration at this point, press the Fn key; this will permit a return to themain menu. If desired to continue the calibration, observe the reference voltage and, if itappears stable (i.e., a final change of not greater than 1 to 2 mV per minute), press theENTER key.
The LCD will display the voltage output of the sample cell sensor in the format Vcell=X.XXXVDC. Again, the calibration may be terminated by pressing Fn. If it is continued, observe thesample voltage as it adjusts to the flowing CO2 calibration zero gas. When it appears stable(i.e., a final change of not greater than 1 to 2 mV per minute, which occurs withinapproximately 15 minutes), press the ENTER key. The LCD will display CO2 CALIBRATED.This concludes CO2 calibration.
The display will scroll the prompts CALIBRATE H2, CALIBRATE CO2 and CALIBRATE N2.Press the Fn key on the GGA to return to the main menu, or to continue gas calibration, waituntil the display scrolls to the prompt CALIBRATE N2, press the ENTER key. In response tothe prompts CALIBRATE N2, CONFIGURE VALVES, permit the nitrogen calibration gas toflow through the sensor. With the calibration gas flowing the LCD will display the voltageoutput of the reference cell sensor in the format Vref=X.XXX VDC. If desired to cancel thecalibration at this point, press the Fn key; this will permit a return to the main menu. Ifdesired to continue the calibration, observe the reference voltage and, if it appears stable(i.e., a final change of not greater than 1 to 2 mV per minute) press the ENTER key.
The LCD will display the voltage output of the sample cell sensor in the format Vcell=X.XXXVDC. Again, the calibration may be terminated by pressing Fn. If it is continued, observe thesample voltage as it adjusts to the flowing N2 calibration zero/span gas. When it appearsstable (i.e., a final change of not greater than 1 to 2 mV per minute, which occurs withinapproximately 15 minutes) press the ENTER key. The LCD will display N2 CALIBRATED.This concludes N2 calibration.
Press the Fn key to return to the main menu. This concludes the gas sensor calibration ofthe GGA system.
Normal Operation
Note: It is important to verify the lines connecting LE025 to the turbine-end seal drainenlargement, LE026 to the collector-end seal oil enlargement and LE028 to the case fanpressure are filled with hydrogen before placing the system in Normal operation.
NORMAL operation of the GGA system can be accessed by first pressing the Fn key toaccess the main menu and, then, pressing the ENTER key when the display scrolls to theprompt NORMAL (H2 in Air). In response to the prompts NORMAL (H2 in Air), CONFIGUREVALVES, permit the sample gas to flow through the sensor then press the ENTER key. In
(Gas Calibration Cont’d)
16HA0156P01 Rev. D
the NORMAL mode of operation the GGA can respond to both WARNING and ALARM levels.Both levels are programmable (see SETTINGS, above, for detailed information). The 4-20mA current output of the GGA corresponds to 70 to 100 percent gas purity and the GGAmust remain below the WARNING or ALARM level for a minimum of one minute to generatean alarm. Should the GGA go into WARNING, it will energize the WARNING RELAY (Figure 3)and illuminate the WARNING LED. Further system operation is locked out until the WARNINGRESET key is pressed (at which point the GGA will revert to NORMAL operation).
Purge Operation
To monitor a purge operation, first press the Fn key to access the main menu, and thenpress ENTER when the display scrolls to the prompt PURGE (H2 in CO2) or PURGE (Air inCO2) key. In response to either the prompt PURGE (H2 in CO2) or PURGE (Air in CO2),CONFIGURE VALVES, permit the sample gas to flow through the sensor then press theENTER key. The Display Panel will respond with the corresponding PURGE (H2 in CO2) orPURGE (Air in CO2) LED illuminated. In this mode the 4 to 20 mA current output of eachGGA corresponds to 0 to 100 percent gas purity. There is no alarm level for either of thePURGE operations.
Mode Menu
The following items are available by pressing the Fn key:
• NORMAL (H2/AIR) This item, when displayed, can be selected by pressing the ENTERkey. See Normal Operation for more information.
• PURGE This item, when displayed, can be selected by pressing the ENTER key. SeePurge Operation for more information.
• GAS CALIBRATION This item, when displayed, can be selected by pressing theENTER key. See Gas Calibration for more information.
• SETTINGS This item, when displayed, can be selected by pressing the ENTER key. Ifselected, two sub-items will be displayed: ALARM LEVEL and WARNING LEVEL. Thesesub-items permit adjustment of the levels at which system alarm and warning areannunciated. To adjust the ALARM LEVEL, press the ENTER key when this sub-itemappears. The LCD will display the current purity level (in percent purity) at, or abovewhich, the system will annunciate an alarm condition. This value can be adjusted, byusing the UP ARROW and DOWN ARROW keys, between 80 percent and 1 percentless than the setting for the warning level. The new level can be selected by pressing theENTER key. The new level will not be selected if the Fn key is pressed instead. Toadjust the WARNING LEVEL, press the ENTER key when this sub-item appears. TheLCD will display the current purity level (in percent purity) at, or above which, the systemwill annunciate a warning condition. This value can be adjusted, by using the UPARROW and DOWN ARROW keys, between 1 percent more than the setting for thealarm level and 99.9 percent. The new level can be selected by pressing the ENTERkey. The new level will not be selected if the Fn key is pressed instead. The system willnot permit the alarm and warning levels to have the same value; it will also not permitthe alarm level to be higher than the warning level.
• SYSTEM This item, when displayed, can be selected by pressing the ENTER key. Ifselected, five sub-items will be displayed: “MONITOR Tcell,” “SHOW FAULTS LOG,”
(Normal Operation Cont’d)
17 HA0156P01 Rev. D
“CLEAR FAULTS LOG,” “RUN DIAGNOSTICS” and “SHOW PROGRAM ID.” Pressingthe ENTER key when a sub-item appears selects that sub-item.
Selecting the sub-item MONITOR Tcell permits a real time readout of the temperature of thegas sensor cell. Press the Fn key to terminate.
The GGA is a self-supervised system and can identify and trap detected faults in its opera-tion. Whenever a fault is detected the TROUBLE LED is illuminated, the TROUBLE RELAYis de-energized, and a description of the fault is logged (stored and latched). Faults can bedisplayed by pressing the ENTER key when the sub-item SHOW FAULTS LOG is displayed.Fault conditions that can be detected include errors in the system’s 8- and 12-bit analog-to-digital converters, power supply voltages, supervisory loop errors and gas sensor cell blocktemperature. Press the Fn key to terminate.
The faults log can be erased by pressing the ENTER key when the sub-item CLEARFAULTS LOG is displayed. If selected, the LCD will prompt CLEAR LOG? Press the ENTERkey to clear all logged faults. Once executed the display will indicate LOG CLEARED forapproximately two seconds and then go blank, leaving the system in the NORMAL mode.Pressing the Fn key instead will blank the display and place the system in the NORMALmode without clearing the faults.
Pressing the ENTER key when the sub-item RUN DIAGNOSTICS is displayed permits areadout of the GGA’s initial cell reference voltage, the output voltages of all power supplies,tests the system’s Normal, Trouble, Alarm and Warning relays, and the Membrane Keypadon the Display Panel. At any point press Fn to terminate testing. The test sequence is:
1. The LCD will display Vref=X.XXXVDC. This parameter is the voltage of the cellreference thermistor and was stored at the time of the last calibration of the cell (whetherH2, CO2 or N2).
2. The LCD will display Vh2=X.XXXVDC. This parameter is the voltage of the hydrogencalibration constant and was stored at the time of the last calibration of the cell.
3. The LCD will display Vco2=X.XXXVDC. This parameter is the voltage of the carbondioxide calibration constant and was stored at the time of the last calibration of the cell.
4. The LCD will display Vn2=X.XXXVDC. This parameter is the voltage of the nitrogencalibration constant and was stored at the time of the last calibration of the cell.
5. The LCD will display Vadc> X.XXVDC. This parameter is the reference voltage of the 12bit analog-to-digital converter and will range between 3.97 and 4.22 VDC.
6. The LCD will display +5V> X.XXVDC. This parameter is the output of the +5 volt digitalsupply and will range between 4.50 and 5.50 VDC.
7. The LCD will display +12V> XX.XVDC. This parameter is the output of the +12 voltdigital supply and will range between 10.8 and 13.2 VDC.
8. The LCD will display +15V> XX.XVDC. This parameter is the output of the +15 voltanalog supply and will range between 13.5 and 16.5 VDC.
9. The LCD will display ”-15V> XX.XVDC. This parameter is the output of the -15 voltanalog supply and will range between -13.5 and -16.5 VDC.
(Mode Menu Cont’d)
18HA0156P01 Rev. D
For the above voltages, the LCD will flash an ERROR message alternately with thevoltage if the measured voltage is out of limit.
10. The LCD will display “RELAY TEST …” The system will cause each relay to beenergized. If no errors are detected, the LCD will display” RELAYS PASS.” If an error isdetected, the LCD will display “RELAYS FAIL,” “FAILURE IN,” then “NORMAL RELAY,”“TROUBLE RELAY,” “ALARM RELAY” or “WARNING RELAY.”
11. The LCD will display “KEYPAD TEST …” Press each key on the Membrane Keypad onthe DISPLAY PANEL, reserving the ENTER key for last (this key will terminate the test).As each key is pressed the LCD will echo the name of the key.
Program instructions for the microcontroller within the GGA system are stored in Read OnlyMemory (ROM) chips located within the system. The program identification and revisionlevel, in the format P_GGA Rev X.X, can be displayed by pressing the ENTER key when thesub-item SHOW PROGRAM ID is displayed. Pressing the Fn key terminates this item.
REMINDER! Should the system go into trouble, access the menu items SHOWFAULTS LOG and RUN DIAGNOSTICS for more information.
Cell Output Voltages
The sensor cell is principally comprised of a sampling thermistor and a reference thermistorembedded in a temperature regulated cell block. The voltage derived from the referencethermistor (this voltage is displayed as “cr”) is used to compensate for any non-purity relatedvariations in the voltage output of the sample thermistor (this voltage is displayed as “s”).When a cell is calibrated, the value of cr is stored in non-volatile memory as the parameterVref. Subsequently, during normal operation, the real time value of cr is mathematicallycombined with Vref to form a term compensating s. This operation ensures long-term mea-surement accuracy of the sensor cell.
The output voltages of these thermistors can be viewed directly (i.e., prior to any computa-tion) in real time by pressing the UP arrow. This information is updated every half secondand is displayed in the format s=X.XXX cr=X.XXX, where, again, s stands for the samplethermistor voltage and cr stands for the current value of the reference thermistor voltage.The display of these voltages may be canceled at any time by pressing the DOWN arrow.The parameter Vref is displayed during calibration and diagnostics.
(Mode Menu Cont’d)
19 HA0156P01 Rev. D
Maintenance
The Dual Hydrogen Control Panel (DHCP) is designed for reliable, trouble-free operation.Periodic checks and maintenance are easy. Following the required maintenance checks willensure safe trouble free operation of this equipment.
Daily
Check and adjust DHCP analyzer and scavenging flow rates. See Flow Calibration. Checkhydrogen purity.
Weekly
1. Visually inspect the moisture indicators. A blue medium indicates dry hydrogen, while apink medium indicates excessive moisture in the hydrogen gas sample that may affectthe stability of the Generator Gas Analyzers. Replace or regenerate the MoistureIndicator and replace the Gas Purifier if the medium is pink. Refer to Removal ofMoisture Indicators and Gas Purifiers.
2. Blow down purifiers by first removing cap at the base of the isolation valve and thenopen the valve itself. It is advisable to have a container available to collect any fluidcontained within the purifier. CAUTION: THE PURIFIERS MAY CONTAIN HYDROGENGAS; USE PROPER SAFETY PRECAUTIONS.
Every Six Months
1. Check Analyzer power and calibration voltages.
2. Calibrate Generator Gas Analyzers, as necessary.
3. Run Diagnostics.
When the Generator is Down
During periods when the generator is shut down, it is recommended that either a) power bemaintained to the DHCP, or b) the DHCP be isolated by placing all isolation valves in “off”position.
20HA0156P01 Rev. D
Component Replacement Instructions
The hydrogen analyzer sensing units, input/output circuit board, processor circuit boards,power supplies and intrinsically safe barriers are located inside the main junction box. To gainaccess to the inside of the main junction box for service, remove the 32, 3/4-inch captivebolts. Two guide studs assist with removal/replacement.
CAUTION! Do not scratch sealing surfaces on the main junction box. The main junc-tion box lid weighs 50 lbs (22.7 kg). Take precautions during removal. Prior to open-ing the main junction box, remove power from the HCP and ensure the system is freeof hydrogen.
Removing a Gas Analyzer Sensor
To remove a hydrogen analyzer from a flameproof enclosure:
1. Disconnect AC input power.
2. Manually close isolation valves HV-2979, HV-2980, HV-2982 and HV-2981.
3. Remove the cover of the main junction box.
4. Remove 4 screws used to secure processor and I/O boards (see Figure 2).
5. Remove the 12-pin cable connector from the sensor circuit board.
6. Remove inlet and outlet tubing connections from the analyzer with a 7/16-inch wrench.
7. Remove mounting hardware (4 slotted screws).
8. To reinstall sensor cell, reverse above process, then leak check.
Removing a Processor Circuit Board
To remove a processor circuit board from the main junction box:
1. Disconnect AC input power.
2. Close isolation valves HV-2985, HV-2986, HV-2983 and HV-2973A.
3. Remove the main junction box cover.
4. To remove the upper processor board, disconnect the 40-pin ribbon cable and removethe 4 nuts (11/32).
5. Install the new processor board in reverse order.
6. Check that pin #1 on the ribbon connector is properly aligned.
21 HA0156P01 Rev. D
Removing the Input/Output (I/O) Circuit Board
1. Disconnect AC input power.
2. Close Isolation valves HV-2985, HV-2986, HV-2983 and HV-2973A.
3. Remove the main junction box cover.
4. Remove the processor board. Disconnect the 60-pin ribbon cable and 4 nuts (11/32).
5. Remove the 8 slotted screws, which hold the board in place and spacers in place (4 ontop, 4 on bottom of board).
6. Remove all wiring connections to the terminal blocks on the Input/Output board.
7. Disconnect power supply connections to the Input/Output board.
8. Disconnect the analyzer cell, 12-pin headers.
9. The Input/Output board can now be removed. Install the new input/Output board inreverse order.
Removing Solenoid Valves Coils
All solenoid valves are connected in the main junction box. Once the inoperable solenoidvalve is located, remove AC power and manually close all isolation valves.
1. Reach under the solenoid and remove the top cap by prying it off.
2. Push the solenoid valve body down and slide the nameplate/retainer off.
3. Open the closest (small, adjacent) junction box to the solenoid valve and locate the 3solenoid valve wires.
4. Cut and strip the wires.
5. Install the new solenoid valve.
6. Splice the wires together using a butt splice.
7. Replace the (small, adjacent) junction box cover.
8. Restore AC power and manually reopen the isolation valves.
Removing Moisture Indicators
Three moisture indicators and three gas purifiers are located on the front of the panel(Figure 1).
To remove moisture indicators:
1. Disconnect AC input power.
2. Manually close all isolation valves.
22HA0156P01 Rev. D
3. Unscrew moisture indicator by hand.
4. Replace moisture indicator by screwing in the replacement by hand.
5. Open isolation valves HV-2971, HV-2972, HV-2979, HV-2980, HV-2973, HV-2974, HV-2981, HV-2982 and HV-2978.
6. Perform leak check.
7. Reconnect AC input power.
Removing Gas Purifiers
1. Disconnect AC input power.
2. Manually close all isolation valves.
3. Release pressure within purifier housing by opening drain at HV-2971A, HV-2972A or HV-2973A, as appropriate.
4. Remove 8 bolts (1/2” hex) at bottom flange of purifier housing.
5. Remove purifier cartridge and two associated gaskets.
6. Replace cartridge and gaskets.
7. Resecure bolts (to 120” lbs torque).
8. Close drain.
9. Open isolation valves HV-2971, HV-2972, HV-2979, HV-2980, HV-2973, HV-2974, HV-2981, HV-2982 and HV-2978.
10. Perform leak check.
11. Reconnect AC input power.
Removing Flow Meters
1. Disconnect AC input power.
2. Manually close all isolation valves.
3. Remove tubing fittings and locking nuts from the back of the flowmeter.
4. Withdraw flowmeter from the front side of the DHCP.
5. To install replacement, reverse above process.
6. Perform leak check.
7. Reconnect AC input power.
(Removing Moisture Indicators cont’d)
23 HA0156P01 Rev. D
Figures
The figures that follow depict the DHCP and its components. All references in this documentrefer to the following figures.
Please note that figures 11-25 depict portions of the DHCP. These figures are provided foreasy reference in configuring isolation valves and switches. Please note that isolation valvehandles and actual switches are not shown. Instead, “on,” “off” and arrow graphics areprovided. Contact Environment One with questions relating to any of the figures relating tothis manual.
24HA0156P01 Rev. D
Printable Area
Figure 1 - DHCP Outline
HA0156P01 Rev D Page 25
FRONT VIEWLOOKING DOWN AT BASE PLATE
SIDE VIEW
TURBINE ENDFLOW
COLLECTOR ENDFLOW
TOTALFLOW
TURBINE ENDLINE
OFF
LOW FLOWEND END
HIGH FLOW
COLLECTOR ENDCONFIRMATION
OFF
CONFIRMATIONTURBINE END
OFFOFF
CONFIRMATION
HIGH FLOWEND END
LOW FLOW
LINECOLLECTOR END
OFF
COLLECTOR COLLECTORTURBINE TURBINE
NITROGEN
OFF
HYDROGEN
OFF OFF
PURGE
OFF
CASE
OFF
CARBONDIOXIDE
CALIBRATION GASES
FAN
PRESSUREDIFFERENTIAL
GAGE
INDICATORMOISTURE
TURBINE END
INDICATORMOISTURE
CASE
INDICATORMOISTURE
COLLECTOR END
TRANSMITTERDIFFERENTIAL
FANTURBINE END
PURIFIER
TURBINE END ANALYAER #1
PURIFIER PURIFIERCOLLECTOR ENDCASE
COLLECTOR END ANALYAER #2
TURBINE END-CASE/CAL/PURGE COLLECTOR END-CASE/CAL/PURGE CASE - CAL / PURGE
Generator Gas Analyzer
ENTER
Fn
AC POWER
IN
IN
PURGE
GAS PURITY
2H
2C0
2N
CALIBRATE
2H
AIR
RESET
WARNING
ALARM
NORMALH
AIR
2IN
C02
C02
TROUBLE
Generator Gas Analyzer
ENTER
Fn
CALIBRATE
2N
2C0
2H
C02AIR IN
PURGE
C022H IN
AC POWERNORMAL
WARNING
ALARM
H
AIR
2IN
RESET
TROUBLE
GAS PURITY
Printable Area
Printable Area
Printable Area
HD0156P01 Rev D Page 29
Figure 4 - DHCP Wiring Diagram
Printable Area
HA0156P01 Rev D Page 31
Figure 4a - DHCP Wiring Diagram
Printable Area
HA0156P01 Rev D Page 33
Figure 5 - DHCP Piping Schematic
Printable Area
Printable Area
PURGECALIBRATE
Generator Gas Analyzer
ENTER
Fn
2N
C0 2
2H
2C0AIR IN
2H 2C0IN
NORMAL
WARNING
ALARM
IN2
AIR
H
RESETGAS PURITY
AC POWER TROUBLE
37 HA0156P01 Rev. D
Figure 8 - DHCP Display Descriptions
Figure 8A - Display Indicators
Figure 8B - Display Keys
Indicator
Lit when the display is powered and functioning properly
Status Ref.1
AC Power
Normal Lit when the GGA is measuring the concentration ofhydrogen in air
Alarm Lit when the GGA is measuring hydrogen in air and theconcentration is below the warning level
Warning
1
2Lit when the GGA is in measuring hydrogen in air and theconcentration is below the warning level
Trouble Lit when the GGA detects an abnormal condition 3, 4, 5
Calibrate H2
Calibrate CO2
Calibrate N2
Purge H2 inCO2
Purge Air in CO2
Gas Purity
LCD Display
Lit when the GGA is calibrating against a 100% hydrogenstandard
Lit when the GGA is calibrating against a 100% nitrogenstandard
Lit when the GGA is calibrating against a 100% carbondioxide standard
Lit when the GGA is measuring the concentration ofhydrogen in carbon dioxide
Lit when the GGA is measuring the concentration of nitrogenin carbon dioxide
Three-digit gas purity indicator (0 to 99.9%)
Displays the current menu selection when the menu isactive
Key
Clear the Alarm and Warning conditions in Normal mode
Function
Reset
Fn Activate the menu
Enter Select a menu item
UP Arrow Used with some menu options to increase the value of aconstant
DOWN Arrow Used with some menu options to decrease the value of aconstant
38HA0156P01 Rev. D
Figure 9 - DHCP Status
Condition
The GGA is measuring hydrogen in air and theconcentration is below the alarm level
Typical Cause Indicators Affected
1 Alarm Alarm LED + AlarmRelay
2 Warning The GGA is measuring hydrogen in air and theconcentration is below the warning level
Warning LED +Warning Relay
3 Tcell ERROR The sensor cell is not at a temperature of 55 ±0.5degrees centigrade
4 Power SupplyProblem2
Trouble LED +Trouble Relay
Trouble LED +Trouble Relay
One or more power supplies are not within tolerance
5 Lower Error3 The GGA is detecting a communication error whiletrying to talk to the I/O board or the display. One ormore relays are defective.
Trouble LED +Trouble Relay
2 Run diagnostics to identify power supply problems.3 Run diagnostics to identify which loop error is present.
39 HA0156P01 Rev. D
Figure 10 - DHCP Customer Contacts
Contact
Energized when the GGA is measuring hydrogen in air andthe concentration is below the alarm level
Status Ref. 4
AlarmGeneral Purpose
1
WarningGeneral Purpose
Energized when the GGA is measuring hydrogen in air andthe concentration is below the warning level
2
TroubleGeneral Purpose
De-energized when the GGA detects an abnormalcondition
3, 4, 5
4 See Figure 9
Printable Area
CASE
HV-2978
CASE
HV-2978
TURBINE END-CASE/CAL/PURGE
HV-2971
LINETURBINE END
LOW FLOW
OFF
HO-2972
ENDTURBINE
HIGH FLOW
PRESSUREDIFFERENTIAL
FAN
PDI-292GAGE
HO-2971
TURBINEEND
COLLECTOR END
HV-2974
CONFIRMATION
CARBONDIOXIDE
CALIBRATION GASES
COLLECTOR END-CASE/CAL/PURGE CASE - CAL / PURGE
CONFIRMATION
HV-2972
OFF
CONFIRMATIONTURBINE END
NITROGEN
HV-2985
HV-2987
OFF
OFF OFF
HO-2973
HIGH FLOW
COLLECTOR
OFF
OFF
HV-2986
HYDROGEN
HV-2984
LOW FLOW
PURGE
HV-2983
OFF
HO-2974
END ENDCOLLECTOR
TURBINE END-CASE/CAL/PURGE
LINETURBINE END
HV-2971
LOW FLOW HIGH FLOW
OFF
HO-2972
FANDIFFERENTIAL
GAGEPRESSURE
PDI-292
HO-2971
TURBINEEND END
TURBINE
CALIBRATION GASES
DIOXIDECARBON
CONFIRMATION
HV-2974
COLLECTOR END
COLLECTOR END-CASE/CAL/PURGE
HV-2972
OFF
CASE - CAL / PURGE
NITROGEN
HV-2985
OFF
HV-2987
OFF
CONFIRMATIONTURBINE END
CONFIRMATION
HIGH FLOW LOW FLOW
HO-2973
OFF
OFF
OFF
HV-2986
HYDROGEN
HV-2984
PURGE
HV-2983
HO-2974
OFF
COLLECTOREND
COLLECTOREND
OFF
OFF
HV-2973
COLLECTOR ENDLINE
OFF
HV-2973
OFF
COLLECTOR ENDLINE
Printable Area
HO-2974
ENDCOLLECTOR
LOW FLOW
DIFFERENTIAL
TURBINE END-CASE/CAL/PURGE
HO-2972
TURBINE
LOW FLOW
OFF
HV-2971
TURBINE ENDLINE
ENDHIGH FLOW
HO-2971
PRESSURE
FAN
PDI-292GAGE
TURBINEEND
COLLECTOR ENDCONFIRMATION
OFF
HV-2974
CASE - CAL / PURGECOLLECTOR END-CASE/CAL/PURGE
CONFIRMATION
OFF
HV-2972
TURBINE END
HV-2987
OFF
NITROGEN
HV-2985
CONFIRMATION
HYDROGEN
HV-2984
CARBONDIOXIDE
HV-2986
CALIBRATION GASES
OFF
OFF
HIGH FLOW
HV-2983
HO-2973
OFF OFF
PURGE
COLLECTOREND
OFF
HV-2973
CASE
HV-2978
OFF
COLLECTOR ENDLINE
LOW FLOW
COLLECTOREND
HO-2974
DIFFERENTIAL
TURBINE END-CASE/CAL/PURGE
LOW FLOW HIGH FLOW
HO-2972
OFF
HV-2971
HO-2971
FAN
PRESSURE
PDI-292GAGE
TURBINETURBINE END
LINEEND END
TURBINECONFIRMATION
HV-2974
COLLECTOR END
OFF
CASE - CAL / PURGE
OFF
COLLECTOR END-CASE/CAL/PURGE
HV-2972 HV-2987
OFF
NITROGEN
HV-2985
CONFIRMATIONTURBINE END
CONFIRMATION
HIGH FLOW
HYDROGEN
HV-2984
DIOXIDECARBON
HV-2986
CALIBRATION GASES
OFF
OFF
HV-2983
HO-2973
OFF
PURGE
OFF
COLLECTOREND
OFF
HV-2973
CASE
HV-2978
OFF
COLLECTOR ENDLINE
Printable Area
COLLECTOR
LOW FLOW
PURGE
HV-2983
LOW FLOW
COLLECTOR
HV-2983
PURGE
GAGEPDI-292
FANDIFFERENTIAL
PRESSURE
TURBINE END-CASE/CAL/PURGE
LOW FLOW
TURBINE
HV-2971
OFF
LINETURBINE END
HIGH FLOW
HO-2972 HO-2971
END ENDTURBINE
HV-2985
NITROGEN
CASE - CAL / PURGECOLLECTOR END-CASE/CAL/PURGE
TURBINE ENDCONFIRMATION
HV-2972
OFF OFF
HV-2987
CONFIRMATION
CALIBRATION GASES
HV-2986
DIOXIDECARBON
HV-2974
OFF
OFF
OFF
CONFIRMATIONCOLLECTOR END
HIGH FLOW
HO-2973
OFF
HV-2984
HYDROGEN
COLLECTOREND
PRESSUREDIFFERENTIAL
FAN
TURBINE END-CASE/CAL/PURGE
PDI-292GAGE
HIGH FLOWLOW FLOW
HV-2971
OFF
HO-2972 HO-2971
TURBINELINE
TURBINE END
ENDTURBINE
END
NITROGEN
CASE - CAL / PURGE
HV-2985
HV-2972
COLLECTOR END-CASE/CAL/PURGE
OFF
HV-2987
OFF
CONFIRMATIONTURBINE END
CONFIRMATION
HIGH FLOW
CALIBRATION GASES
HV-2974
CARBONDIOXIDE
HV-2986
OFF OFF
OFF
OFF
HO-2973
HV-2984
HYDROGEN
COLLECTOR ENDCONFIRMATION
ENDCOLLECTOR
COLLECTOR END
OFF
HV-2978
CASE
HO-2974
OFF
HV-2973
OFF
ENDLINE
OFF
CASE
HV-2978
OFF
HO-2974
HV-2973
OFF
COLLECTOR END
ENDLINE
Printable Area
PURGE
HV-2983
COLLECTOR
DIFFERENTIAL
TURBINE
HIGH FLOW
HO-2971
END
TURBINE END-CASE/CAL/PURGE
TURBINE END
OFF
HV-2971
LINE
LOW FLOW
HO-2972
TURBINEEND
HV-2987
CONFIRMATION
COLLECTOR END-CASE/CAL/PURGE
CONFIRMATIONTURBINE END
FAN
PDI-292GAGE
PRESSURE
OFF
HV-2972
CASE - CAL / PURGE
OFF
CARBON
CALIBRATION GASES
OFF
HV-2974
NITROGEN
OFF
HV-2985
DIOXIDE
OFF
HV-2986
COLLECTOR ENDCONFIRMATION
HIGH FLOW
HYDROGEN
HV-2984
OFF
HO-2973
END
HV-2973
OFF
LINECOLLECTOR END
LOW FLOW
HO-2974
OFF
CASE
HV-2978
COLLECTOREND
OFF
PURGE
HV-2983
COLLECTOREND
HO-2971
HIGH FLOW
TURBINE
DIFFERENTIAL
TURBINE END-CASE/CAL/PURGE
LOW FLOW
OFF
HV-2971
HO-2972
TURBINE ENDLINE
TURBINEEND
HV-2987
CONFIRMATION
COLLECTOR END-CASE/CAL/PURGE
FAN
GAGEPDI-292
PRESSURE
OFF
HV-2972
TURBINE ENDCONFIRMATION
HIGH FLOW
OFF
CARBON
CALIBRATION GASES
CASE - CAL / PURGE
OFF
HV-2974
OFF
NITROGEN
HV-2985
DIOXIDE
OFF
HV-2986
HYDROGEN
HV-2984
HO-2973
OFF
CONFIRMATIONCOLLECTOR END
ENDLOW FLOW
HV-2973
OFF
HO-2974
OFF
CASE
HV-2978
OFF
LINECOLLECTOR END
COLLECTOREND
Printable Area
HV-2978
CASE
HV-2978
CASE
HV-2983HV-2984HV-2985 HV-2986PDI-292
TURBINE END-CASE/CAL/PURGE COLLECTOR END-CASE/CAL/PURGE CASE - CAL / PURGE
TURBINE END-CASE/CAL/PURGE
HV-2971
TURBINE ENDLINE
TURBINE ENDLINE
HV-2971
LOW FLOW
OFF
ENDTURBINE
HO-2972
HIGH FLOW
GAGE
FANDIFFERENTIAL
PRESSURE
ENDTURBINE
HO-2971
LOW FLOW
OFF
END
HO-2972
TURBINE
HIGH FLOW
PDI-292
PRESSUREGAGE
DIFFERENTIALFAN
TURBINE
HO-2971
END
HV-2974
COLLECTOR ENDCONFIRMATION
CARBONDIOXIDE
CALIBRATION GASES
HV-2974
CALIBRATION GASES
DIOXIDECARBON
CONFIRMATIONCOLLECTOR END
CONFIRMATIONTURBINE END
CONFIRMATION
HV-2972
OFF
NITROGEN
OFF
HV-2987
OFF
CONFIRMATION
COLLECTOR END-CASE/CAL/PURGE
HV-2972
CONFIRMATIONTURBINE END
OFF
HV-2985
CASE - CAL / PURGE
NITROGEN
OFF
HV-2987
OFF
OFF
COLLECTOR
HIGH FLOW
HO-2973
OFF
OFF
HYDROGEN PURGE
END ENDLOW FLOW
COLLECTOR
HO-2974
OFF
HO-2973
HIGH FLOW
COLLECTOR
OFF
HV-2984HV-2986
OFF
OFF
HYDROGEN
HV-2983
PURGE
END END
HO-2974
COLLECTOR
LOW FLOW
OFF
OFF
COLLECTOR ENDLINE
HV-2973
OFF
OFF
COLLECTOR END
HV-2973
LINE
OFF
Printable Area
HO-2974
END
END
HO-2974
LOW FLOW
COLLECTOR
COLLECTOR
LOW FLOW
HV-2983HV-2986 HV-2984HV-2985PDI-292
TURBINE END-CASE/CAL/PURGE CASE - CAL / PURGECOLLECTOR END-CASE/CAL/PURGE
DIFFERENTIAL
DIFFERENTIAL
TURBINE END-CASE/CAL/PURGE
LOW FLOW
TURBINE
HO-2972
OFF
TURBINE ENDLINE
HV-2971
END ENDHIGH FLOW
TURBINE
HO-2971
GAGE
FAN
PRESSURE
HO-2972
TURBINE
LOW FLOW
OFF
TURBINE END
HV-2971
LINEEND END
TURBINE
HIGH FLOW
HO-2971
GAGEPDI-292
FAN
PRESSURE
COLLECTOR END
HV-2974
CONFIRMATION
OFF
CASE - CAL / PURGE
OFF
HV-2974
CONFIRMATIONCOLLECTOR END
CONFIRMATION
OFF
TURBINE END
HV-2972
CONFIRMATION
HV-2987
NITROGEN
OFF
OFF
CONFIRMATION
COLLECTOR END-CASE/CAL/PURGE
TURBINE END
HV-2972
HV-2985
HV-2987
CONFIRMATION
NITROGEN
OFF
HYDROGENDIOXIDECARBON
CALIBRATION GASES
OFF
OFF
COLLECTOR
HIGH FLOWEND
OFF
HO-2973
OFF
PURGE
HYDROGEN
HV-2984HV-2986
CARBONDIOXIDE
CALIBRATION GASES
OFF
OFF
HV-2983
HIGH FLOW
COLLECTOR
HO-2973
END
OFF
PURGE
OFF
HV-2978
COLLECTOR END
OFF
HV-2973
CASE
LINE
OFF
HV-2978
HV-2973
COLLECTOR END
OFF
CASE
OFF
LINE
Printable Area
PURGE
HV-2983
PURGE
HV-2983
COLLECTOR
LOW FLOW
LOW FLOW
COLLECTOR
HV-2984HV-2986HV-2985PDI-292
TURBINE END-CASE/CAL/PURGE CASE - CAL / PURGECOLLECTOR END-CASE/CAL/PURGE
PRESSUREDIFFERENTIAL
FAN
GAGE
GAGEPDI-292
TURBINE END-CASE/CAL/PURGE
FANDIFFERENTIAL
PRESSURE
TURBINE
LOW FLOW
TURBINE ENDLINE
HV-2971
OFF
END
HO-2972
TURBINE
HIGH FLOWEND
HO-2971
LOW FLOW
TURBINETURBINE END
LINE
HV-2971
OFF
END
HO-2972
END
HO-2971
HIGH FLOW
TURBINE
NITROGEN
NITROGEN
HV-2985
CASE - CAL / PURGE
HV-2972
CONFIRMATIONTURBINE END
CONFIRMATION
OFF
HV-2987
OFF
TURBINE ENDCONFIRMATION
HV-2972
COLLECTOR END-CASE/CAL/PURGE
CONFIRMATION
OFF OFF
HV-2987
CONFIRMATION
HV-2974
CARBONDIOXIDE
CALIBRATION GASES
COLLECTOR END
OFF OFF
OFF
ENDHIGH FLOW
COLLECTOR
OFF
HO-2973
HYDROGEN
HV-2986
HV-2974
DIOXIDECARBON
CONFIRMATION
CALIBRATION GASES
COLLECTOR END
OFF
OFF
OFF
HV-2984
COLLECTOR
HIGH FLOWEND
HO-2973
OFF
HYDROGEN
HV-2978
OFF
COLLECTOR END
CASE
END
OFF
HO-2974
LINE
OFF
HV-2973
OFF
COLLECTOR END
HV-2978
CASE
END
HO-2974
OFF
LINE
HV-2973
OFF
Printable Area
COLLECTOR
HV-2983
PURGE
TURBINE END-CASE/CAL/PURGE
DIFFERENTIAL
TURBINE
HIGH FLOW
HO-2971
END
OFF
TURBINE END
HV-2971
LINETURBINE
LOW FLOW
HO-2972
ENDCONFIRMATION
HV-2987
CONFIRMATIONTURBINE END
COLLECTOR END-CASE/CAL/PURGE
PRESSURE
PDI-292GAGE
FAN
HV-2972
OFF
CALIBRATION GASES
CARBON
OFF
HV-2985 HV-2986
CASE - CAL / PURGE
COLLECTOR END
HV-2974
CONFIRMATION
OFF
NITROGEN
OFF OFF
DIOXIDE
HV-2984
HYDROGEN
HO-2973
END
OFF
HIGH FLOW
COLLECTOR ENDLINE
HV-2973
OFF
HV-2978
COLLECTOR
LOW FLOW
HO-2974
END
OFF
CASE
OFF
48HA0156P01 Rev. D
Figure 26 - Parts ListIt
em D
escr
ipti
on
Tag
Su
pp
lier
Man
ufa
ctu
rer
Man
ufa
ctu
rer
Des
crip
tio
nN
um
ber
Dra
win
g N
o.
Nu
mb
er
Flo
wm
eter
FM
1F
I-29
73H
A00
40P
02B
rook
s In
stru
men
ts13
55F
A30
CN
A1A
540
to 5
400
cc/m
in H
2 flo
wm
eter
Indi
cato
r/M
eter
ing
Val
ve F
M2
FI-
2971
HA
0040
P01
Bro
oks
Inst
rum
ents
1355
FF
G4C
NE
1A90
to 9
00 c
c/m
in H
2 flo
wm
eter
/met
erin
g va
lve
Indi
cato
r/M
eter
ing
Val
ve F
M3
FI-
2972
HA
0040
P01
Bro
oks
Inst
rum
ents
1355
FF
G4C
NE
1A90
to 9
00 c
c/m
in H
2 flo
wm
eter
/met
erin
g va
lve
Isol
atio
n V
alve
IV1
HV
-297
1H
A00
11P
01P
arke
r4F
-B6L
J-V
-SS
P1/
4" fe
mal
e is
olat
ion
ball
valv
e, S
SIs
olat
ion
Val
ve IV
2H
V-2
971A
HA
0011
P01
Par
ker
4F-B
6LJ-
V-S
SP
1/4"
fem
ale
isol
atio
n ba
ll va
lve,
SS
Isol
atio
n V
alve
IV11
HV
-297
2H
A00
11P
01P
arke
r4F
-B6L
J-V
-SS
P1/
4" fe
mal
e is
olat
ion
ball
valv
e, S
SIs
olat
ion
Val
ve IV
4H
V-2
972A
HA
0011
P01
Par
ker
4F-B
6LJ-
V-S
SP
1/4"
fem
ale
isol
atio
n ba
ll va
lve,
SS
Isol
atio
n V
alve
IV10
HV
-297
3H
A00
11P
01P
arke
r4F
-B6L
J-V
-SS
P1/
4" fe
mal
e is
olat
ion
ball
valv
e, S
SIs
olat
ion
Val
ve IV
9H
V-2
973A
HA
0011
P01
Par
ker
4F-B
6LJ-
V-S
SP
1/4"
fem
ale
isol
atio
n ba
ll va
lve,
SS
Isol
atio
n V
alve
IV12
HV
-297
4H
A00
11P
01P
arke
r4F
-B6L
J-V
-SS
P1/
4" fe
mal
e is
olat
ion
ball
valv
e, S
SIs
olat
ion
Val
ve IV
14H
V-2
979
HA
0011
P01
Par
ker
4F-B
6LJ-
V-S
SP
1/4”
fem
ale
isol
atio
n ba
ll va
lve,
SS
Isol
atio
n V
alve
IV15
HV
-298
0H
A00
11P
01P
arke
r4F
-B6L
J-V
-SS
P1/
4” fe
mal
e is
olat
ion
ball
valv
e, S
SIs
olat
ion
Val
ve IV
17H
V-2
981
HA
0011
P01
Par
ker
4F-B
6LJ-
V-S
SP
1/4"
fem
ale
isol
atio
n ba
ll va
lve,
SS
Isol
atio
n V
alve
IV16
HV
-298
2H
A00
11P
01P
arke
r4F
-B6L
J-V
-SS
P1/
4" fe
mal
e is
olat
ion
ball
valv
e, S
SIs
olat
ion
Val
ve IV
8H
V-2
983
HA
0011
P01
Par
ker
4F-B
6LJ-
V-S
SP
1/4"
fem
ale
isol
atio
n ba
ll va
lve,
SS
Isol
atio
n V
alve
IV5
HV
-298
4H
A00
11P
01P
arke
r4F
-B6L
J-V
-SS
P1/
4" fe
mal
e is
olat
ion
ball
valv
e, S
SIs
olat
ion
Val
ve IV
6H
V-2
985
HA
0011
P01
Par
ker
4F-B
6LJ-
V-S
SP
1/4"
fem
ale
isol
atio
n ba
ll va
lve,
SS
Isol
atio
n V
alve
IV7
HV
-298
6H
A00
11P
01P
arke
r4F
-B6L
J-V
-SS
P1/
4" fe
mal
e is
olat
ion
ball
valv
e, S
SIs
olat
ion
Val
ve IV
20H
V-2
987
HA
0011
P01
Par
ker
4F-B
6LJ-
V-S
SP
1/4"
fem
ale
isol
atio
n ba
ll va
lve,
SS
Ana
lyze
r Cel
l #1
QT
-290
AH
C00
21G
01E
nviro
nmen
t One
HC
0021
G01
Ana
lyze
r Cel
l Ass
embl
yA
naly
zer C
ell #
2Q
T-2
90B
HC
0021
G01
Env
ironm
ent O
neH
C00
21G
01A
naly
zer C
ell A
ssem
bly
Met
erin
g V
alve
MV
1H
O-2
971
HA
0010
P01
Par
ker
4M-V
4AN
-V-S
S1/
4" m
ale-
NP
T p
orts
met
erin
g va
lve,
SS
Met
erin
g V
alve
MV
2H
O-2
972
HA
0010
P01
Par
ker
4M-V
4AN
-V-S
S1/
4" m
ale-
NP
T p
orts
met
erin
g va
lve,
SS
Met
erin
g V
alve
MV
3H
O-2
974
HA
0010
P01
Par
ker
4M-V
4AN
-V-S
S1/
4" m
ale-
NP
T p
orts
met
erin
g va
lve,
SS
Met
erin
g V
alve
MV
4H
O-2
973
HA
0010
P01
Par
ker
4M-V
4AN
-V-S
S1/
4" m
ale-
NP
T p
orts
met
erin
g va
lve,
SS
Sol
enoi
d V
alve
SV
1F
Y-2
971
HA
0014
P01
Aut
omat
ic S
witc
hE
FH
TL-
8262
G7
1206
02
way
, NC
, 120
V, 6
0 H
z so
leno
id v
alve
Sol
enoi
d V
alve
SV
2F
Y-2
973
HA
0014
P01
Aut
omat
ic S
witc
hE
FH
TL-
8262
G7
1206
02
way
, NC
, 120
V, 6
0 H
z so
leno
id v
alve
Sol
enoi
d V
alve
SV
3F
Y-2
972
HA
0016
P01
Aut
omat
ic S
witc
hE
FH
TL-
8320
G20
0 12
060
3 w
ay, 1
20V
, 60H
z so
leno
id v
alve
Sol
enoi
d V
alve
SV
4F
Y-2
974
HA
0016
P01
Aut
omat
ic S
witc
hE
FH
TL-
8320
G20
0 12
060
3 w
ay, 1
20V
, 60H
z so
leno
id v
alve
Sol
enoi
d V
alve
SV
5F
Y-2
981
HA
0016
P01
Aut
omat
ic S
witc
hE
FH
TL-
8320
G20
0 12
060
3 w
ay, 1
20V
, 60H
z so
leno
id v
alve
Diff
eren
tial T
rans
. FT
1P
DT
-292
HA
0058
P08
Yok
ogaw
a0
to 3
0" H
2O, 9
.5"
norm
al d
iffer
entia
l tra
nsm
itter
Diff
eren
tial G
age
FG
1P
DI-
292
HA
0041
P01
Mid
wes
t13
0-S
C-1
0-00
0 to
30"
H2,
dua
l sca
le d
iffer
entia
l pre
ssur
e ga
geM
oist
ure
Indi
cato
r MI1
MI-
2971
HA
0013
P01
Mat
heso
n46
51/
4" N
PT,
mal
e/fe
mal
e m
oist
ure
indi
cato
rM
oist
ure
Indi
cato
r MI2
MI-
2972
HA
0013
P01
Mat
heso
n46
51/
4" N
PT,
mal
e/fe
mal
e m
oist
ure
indi
cato
rM
oist
ure
Indi
cato
r MI3
MI-
2973
HA
0013
P01
Mat
heso
n46
51/
4" N
PT,
mal
e/fe
mal
e m
oist
ure
indi
cato
r
49 HA0156P01 Rev. D
Item
Des
crip
tio
nT
agS
up
plie
rM
anu
fact
ure
rM
anu
fact
ure
rD
escr
ipti
on
Nu
mb
erD
raw
ing
No
.N
um
ber
Rep
lace
men
t Plu
gH
A00
13P
02M
athe
son
PLU
-007
0-X
XR
epla
cem
ent i
ndic
ator
plu
gT
urbi
ne E
nd P
urifi
er F
U1
HA
0139
P01
Mat
heso
n46
01/
4" fe
mal
e N
PT
filte
r/pu
rifie
rC
ase
Pur
ifier
FU
2H
A01
39P
01M
athe
son
460
1/4"
fem
ale
NP
T fi
lter/
puifi
erC
olle
ctor
End
Pur
ifier
FU
3H
A01
39P
01M
athe
son
460
1/4"
fem
ale
NP
T fi
lter/
puifi
erC
artr
idge
HA
0139
P02
Mat
heso
n46
2R
epla
cem
ent c
artr
idge
Hea
ter
HA
-17P
1-1
HA
0017
P01
Chr
omal
oxA
EP
S-0
24-2
20-9
1712
0V, 2
20 w
att e
xplo
sion
pro
of h
eate
rH
eate
rH
A-1
7P1-
2H
A00
17P
02C
hrom
alox
AE
PS
-024
-220
-917
220V
, 220
wat
t exp
losi
on p
roof
hea
ter
I/O P
C B
oard
HD
0043
G01
Env
ironm
ent O
neH
D00
43G
01in
put/o
utpu
t prin
ted
circ
uit b
oard
Con
trol
ler B
oard
HD
0039
G01
Env
ironm
ent O
neH
D00
39G
01an
alyz
er p
roce
ssor
prin
ted
circ
uit b
oard
Dis
play
Pan
elH
B00
26G
01E
nviro
nmen
t One
HB
0026
G01
anal
yzer
dis
play
pan
elD
ispl
ay B
oard
Ass
embl
yH
D01
38G
03E
nviro
nmen
t One
HD
0138
G03
anal
yzer
dis
play
boa
rdP
ower
Sup
ply
HA
0027
P01
Tri-
Mag
Inc.
UV
420-
712
VD
C p
ower
sup
ply
Pow
er S
uppl
yG
A01
09P
03P
olyt
roni
csP
33 1
098
15 V
DC
pow
er s
uppl
yIS
Bar
rier,
Sin
gle
HA
-45P
1-1
HA
0045
P01
Cro
use
Hin
dsS
B19
140M
1250
sing
le c
hann
el, i
sola
tion
barr
ier
IS B
arrie
r, S
ingl
eH
A-4
5P1-
2H
A00
45P
01C
rous
e H
inds
SB
1914
0M12
50si
ngle
cha
nnel
, iso
latio
n ba
rrie
rIS
Bar
rier,
Sin
gle
HA
-45P
1-3
HA
0045
P01
Cro
use
Hin
dsS
B19
140M
1250
sing
le c
hann
el, i
sola
tion
barr
ier
IS B
arrie
r, S
ingl
eH
A-4
5P1-
4H
A00
45P
01C
rous
e H
inds
SB
1914
0M12
50si
ngle
cha
nnel
, iso
latio
n ba
rrie
rIS
Bar
rier,
Dua
lH
A-4
5P2-
1H
A00
45P
02C
rous
e H
inds
SB
5924
0M07
66du
al c
hann
el, i
sola
tion
barr
ier
IS B
arrie
r, D
ual
HA
-45P
2-2
HA
0045
P02
Cro
use
Hin
dsS
B59
240M
0766
dual
cha
nnel
, iso
latio
n ba
rrie
rIS
Bar
rier,
Dua
lH
A-4
5P2-
3H
A00
45P
02C
rous
e H
inds
SB
5924
0M07
66du
al c
hann
el, i
sola
tion
barr
ier
IS B
arrie
r, D
ual
HA
-45P
2-4
HA
0045
P02
Cro
use
Hin
dsS
B59
240M
0766
dual
cha
nnel
, iso
latio
n ba
rrie
rF
lam
e A
rres
tor
Hou
sing
HB
-18P
1-1
HB
0018
P01
Env
ironm
ent O
neH
B00
18P
01fla
me
Arr
esto
r ho
usin
gF
lam
e A
rres
tor
Hou
sing
HB
-18P
1-2
HB
0018
P02
Env
ironm
ent O
neH
B00
18P
01fla
me
Arr
esto
r ho
usin
gF
lam
e A
rres
tor F
ilter
sH
A-6
5P1
HA
0065
P01
Leed
s &
Nor
thru
p85
104
flam
e A
rres
tor f
ilter
sT
herm
al P
rote
ctor
HA
-46P
1H
A00
46P
01C
anad
ian
The
rm.
E21
-65-
2-5
65 c
ther
mos
tat
220
VA
C T
rans
form
erH
A-1
06P
1H
A01
06P
01S
igna
lM
4L-2
-322
0 V
AC
Tra
nsfo
rmer
50HA0156P01 Rev. D
Environment One Corporation2773 Balltown RoadNiskayuna, New York USA 12309–1090
Tel: (01) 518.346.6161FAX: 518.346.6188
www.eone.com
A PCC Flow Technologies, Inc. Company