1

CONTENTS Installation CONTENTS Installation - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1 Dimensional Drawing - - - - - - - - - - - - - - - - - - - - - 2 Specifications - - - - - - - - - - - - - - - - - - - - - - - - - - - 2 Piping Works - - - - - - - - - - - - - - - - - - - - - - - - - - - 3 Electrical Connections & Diagrams - - - - - - - - - - - 6,9-13 Operation and Start-Up - - - - - - - - - - - - - - - - - - - - 6 Refrigerant Charging - - - - - - - - - - - - - - - - - - - - - - 7 Maintenance - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7 Trouble Shooting - - - - - - - - - - - - - - - - - - - - - - - - - 13

INSTALLATION UNPACKING – Move unit to final location. Remove plastics wrap from unit being careful not to damage or cause scratch to the unit. Check the shipment against shipping list and remove unit protective covering. If the unit has been damaged, file claim with transportation company and immediately notify Concepcion-Carrier or its authorized Dealer.

CE

CAUTION – Consult local building and National Electrical codes for special installation requirements. Check that electrical data on unit’s nameplate correspond to job site electrical supply. Check that field power supply is sized for the units and additional accessories like water pumps, cooling towers and indoor units.

Concepcion Carrier Air conditioning Company

07KHP WATER–COOLEDSPLIT CONDENSING UNIT

INSTALLATION MANUAL, START-UP & SERVICE INSTRUCTIONS

However, for applications such as hotel rooms, care needs to be taken to prevent break out noise from the immediate surroundings into the room below.

PRIOR TO INSTALLATION OF THE 07KHP UNITS, REVIEW THE FOLLOWING IMPORTANT POINTS

ILING MOUNTED INSTALLATION

• Select a suitable location for the unit. For example, use Kitchen or Bathroom ceiling spaces. (See Fig. 6)

• Make sure that there is enough ceiling clearance between unit and slab. Check unit’s dimensional drawing. Clearance should also be allowed for ceiling acoustic treatment and piping.

• To design steel frame for unit’s base, do not place unit directly on the ceiling. Use a strong hanging suspension when installing the steel frame to slab.

• Ensure there is sufficient clearance between hanging rods and cabinet access panels, so that service work can be carried easily. See the back page drawing for details.

• Place the unit onto the steel frame and make sure that the

unit is leveled. Use vibration isolators between unit and steel frame. Do not use rubber blocks as isolators.

• Vibration isolators are also required for water pipe and

refrigerant tube connections. Care should be taken with refrigerant piping to avoid any transmission of noise and vibration to the ceiling or walls. Provide enough pipe flexibility before fixing unit to the structure.

• Provide access panel in ceiling. Make sure the panel is

located near the unit for easy maintenance and servicing. • After the unit is installed and pipe work are completed, be

sure to insulate the unit’s surroundings with acoustic treatment. An acoustic type insulation can be used for additional sound reduction.

FLOOR MOUNTED INSTALLATION

• Select a suitable location for the unit. For example, use kitchen or balcony spaces. (See Fig. 7)

• Make sure that enough space clearance for unit. Check unit’s

dimensional drawing. Clearance should be also allowed for acoustic treatment and piping.

• To design a compartment complete with access panel or door

for maintenance and servicing the unit.

• Use vibration isolators between the unit and floor. Do not place the unit directly onto the floor.

• After the unit is installed and pipe works are completed, be

sure to insulate the unit’s internal compartment with acoustic treatment.

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TABLE 1 SPECIFICATIONS

mm 07KHP

012 07KHP

018 07KHP

024 07KHP

040 07KHP

060 07KHP

090 H 508.0 623.0 H1 355.0 549.0 H2 254.0 H3 179.0 H4 105.0 L 569.0 W 680.0 W1 329.0 W2 179.0 W3 130.0 W4 420.0

07KHP MODEL 013 018 024 040 060 090 RATED CAPACITY (TONS) 1.0 1.5 2.0 3.0 5.0 7.5

CDU POWER INPUT (kW) 1.08 1.75 2.22 3.15 5.15 6.45

NET WEIGHT (kg) 52 54 63 70 78 93

Type R-22

REFRIGERANT

Charging method By Superheat Method

Type Rotary Scroll

Compr. Model RH189NRAT RH277NHDT PH39NPBT NH52NAHT ZR61KC-TF5 ZR81KC-TF5

RLA (A) 4.8 7.8 12.6 16.8 20.7 25.0

LRA (A) 35 47 66 91 139 179

COMPRESSORS

Refill Oil Charged (lit. / oz) 0.52 / 17.6 0.52 / 17.6 0.90 / 30 1.30 / 44 1.83 / 62 1.66 / 56

Quantity 1

PLATE HEAT EXCHANGER (STAINLESS STEEL) Water Inlet / Outlet ,mm (in.) 25.4 (1”) FPT

Suction,mm (in.) Flare Type 12.7 (1/2) 12.7 (1/2) 15.8 (5/8) 15.8 (5/8) 19.05 (3/4) S-28.6 (1-1/8)

REFRIGERANT CONNECTIONS

Liquid, mm (in.) Flare Type 6.35 (¼) 6.35 (¼) 9.52 (3/8) 9.52 (3/8) 9.52 (3/8) S-15.8 (5/8)

High Press (PSIG) 426 ± 7 / 320 ± 20

CONTROL PRESSURESTAT SETTINGS (Open / Close pressure settings) Low Press (PSIG) n.a. 27 ± 4 / 67 ± 7

POWER SOURCE (V-Ph-Hz) NOMINAL (V) 208/230 - 1 - 60 230 - 3 - 60

PERMISSIBLE MIN-MAX VOLTAGE (V) 197 - 253

REFRIGERANT CONTROL DEVICE IN UNIT Capillary Tube Capillary*/Accurator** RLA : Rated Load Amps LRA : Locked Rotor Amps

Data rated at 29.5° Water Out, 27°C/19°C Indoor Condition * - Capillary tube located at FCU on model ASBFM0360-060 (Floor Standing) ** - Accurator is located at FCU on model 42AR0036-060 (Ceiling Type), 42GKX036-060(Cassette type), 42LX036-060(Ceiling-Ducted). 7.5TR system normally uses TXV metering device.

Note: Refill oil charge is for service use after compressor has been drained. This value is different and less than Factory oil charged. Use only corresponding compressor maker approved specs. (S) under refrigerant connections section means Sweat Type connection.

FIG. 2 DIMENSIONAL DRAWING

FRONT VIEW

TOP VIEW

3

PIPING WORK REFRIGERANT PIPING

• Use correct size and good condition field supply tubing of refrigerant grade.

• Run refrigerant tubes as straight as possible. Avoid

unnecessary turns and bends.

• Suspend refrigerant tubes so that they do not transmit vibration to structure.

• Also when passing refrigerant tubes through wall, seal

opening so vibration is not transmitted to structure.

• Leave some slack in refrigerant tubes between structure and unit to absorb vibration.

• NOTE: The longer the interconnecting piping, the lower the

cooling capacity of the unit. See table 2. Table 2 Reduction in capacity vs increase in pipe length

EQUIVALENGHT PIPING LENGTH (ONE WAY) MODEL 07KHP 5m 10m 15m 20m 25m

012 0 1.7% 2.7% 3.7% 4.8% 018 0 1.6% 2.8% 3.8% 4.9% 024 0 1.7% 3.0% 4.0% 5.4% 040 0 1.8% 3.0% 4.2% 5.6% 060 0 2.1% 3.8% 4.7% 5.9% 090 0 2.5% 4.3% 5.2% 6.3%

The permission piping for recommended combinations as per Table 3 and fig. 3. Table 3 Vertical and horizontal separation between fan coil and

condensing unit. MAX. LIFT, H m (ft)

MODEL 07KHP

MAX. DISTANCE, L m (ft) CDU ABOVE

FCU CDU BELOW

FCU

012 15 (50) 7.5 (25) 5.0 (16)

018 15 (50) 10 (33) 7.5 (25) 024 15 (50) 10 (33) 7.5 (25) 040 18 (60) 10 (33) 7.5 (25) 060 18 (60) 10 (33) 7.5 (25) 090 18 (60) 15 (50) 10 (33)

SIGHT GLASS AND FILTER DRIER Sight glass and filter drier are factory supplied and field installed applicable for model 07KHP036,048, 060 and 090 only. Warranty will be voided if these models were not fitted with external filter drier in the field installation.

TUBING CONNECTIONS AND LEAK TEST

• Both suction and liquid are equipped with flare type connections. (except for Model 090 uses sweat connection).

• Assemble flare joint by aligning tubing with machine surface

of fitting. Start run onto threads by turning backwards first then forwards.

• All lines should be assembled with type “L” or quarter hard

drawn refrigeration grade copper tubing and not with copper water pipe.

Use the following brazing alloys:

Copper to Copper -------------- 5% Silver Alloy (no flux) Copper to Steel or Brass ---- 35% Silver Alloy (no flux)

• Remove cap and Schrader core from service port to protect

seals from heat damage. Wrap service valve with wet rag before applying heat. Flow dry nitrogen into a service port and through the tubing while brazing to prevent pipe oxidation.

• Pressurize line set and coil through service fittings with dry

nitrogen to 150 psig maximum (or refer to Carrier Standard Service Techniques Manual, chapter 1, section 1-6) If a leak is found, recover pressure and repair all leaks.

WARNING: DO NOT USE OXYGEN TO PURGE LINES OR PRESSURE SYSTEM FOR LEAK TEST. OXYGEN REACTS VIOLENTLY WITH OIL, WHICH CAN CAUSE AN EXPLOSION RESULTING IN SEVERE PERSONAL INJURY OR DEATH. PIPING INSULATION

Insulate both suction and liquid lines as per Fig. 4 FIG. 4 PIPING INSULATION

4

EVACUATION AND DEHYDRATION Evacuation is the most important part of the entire service procedure. The life and efficiency of the equipment is dependent upon the evacuation and dehydration thoroughness exercised by the serviceman. Air in the system causes high condensing temperature and pressure, resulting in increased power consumption and at the same time it reduces system efficiency. Moisture chemically reacts with the refrigerant and oil thus forming corrosive acids which attacks motor windings and metal parts, causing early breakdown. After the system has been leak checked and proven leak free, connect the vacuum pump and evacuate system to 29” Hg vacuum. It is advisable to connect both vacuum pump hose to the high-side and low-side of the system to have a better and faster evacuation. FINAL LEAK TEST After the unit has been properly evacuated and charged, use a halogen leak detector to check system for leaks. In the absence of this device water-soap solution is acceptable. All piping within the condensing unit, evaporator, and interconnecting tubing should be checked for leaks. If a leak is detected, the refrigerant should be recovered before repairing the leak. This is in compliance with the Clean Air Act.

WATER PIPING

• Water inlet and outlet are equipped with 25.4mm or 1 “ (FPT) female pipe thread.

• Make sure that internal water piping is clean.

• Use correct size wrenches and proper sealing for water inlet

and outlet connections.

• Do not over tighten the connections.

• Suspend or use vibration isolators on water pipes, for pipes not to transmit vibration.

• Field install air bleed valve and dirt leg pipes (for backwashing

purposes) in water piping system.

• Field install water supply and return line connection and check for water pressure drop and flow rates.

• Water piping accessories, water strainer (screen assemblies

of 20 to 40 mesh) and water flow switch to be field supplied and installed.

• Water system needs to be chemically treated in order to

maintain water cleanliness and minimize scale build-up.

• After all the water piping is completed, be sure to flush all pipe work prior to start-up.

Condenser water inlet need to be controlled at 29.5°C(85°F ). It is advisable to always maintain the water inlet temperature inthis region. This can be accomplished by using a thermostat tocontrol the cooling tower fan and water temperature in the basin of the tower.

FIG. 5 TYPICAL PIPING & WIRING WORKS

5

FIG. 6 CEILING MOUNTED INSTALLATION

FIG. 7 FLOOR MOUNTED INSTALLATION

6

ELECTRICAL CONNECTIONS POWER WIRING

• Unit is factory wired for voltage shown on nameplate. • Provide adequate fused disconnect switch within sight of unit,

readily accessible but out of reach of children. • Provision for locking switch open (off) is advisable to prevent

power from being turned on while unit is installed or serviced. • Disconnect switch, fuses and field wiring must comply with

local codes. Size the wire as per electrical specification shown in CCAC Service Installer Blue Book.

• Use terminal marked ‘L’ and ‘N’ for 230V-1Ph-60Hz (or 230V-3Ph-60Hz for 3phase) power supply. See respective wiring diagram shown on the preceding pages.

CONTROL CIRCUIT WIRING

• For FCU model 42LX036-060, Wall mounted Thermostat complete with 3 speed switch and CDU factory wired minimum 3/5 minutes time delay is standard. Do not reset the delay time to lower setting.

• All 07KHP models are equipped with High Pressure switch to protect Compressor from overload condition. This is an auto –reset type, no necessary changes or alteration is required in the field.

• Use terminal block marked ‘S1’ for Compressor signal control .

All final electrical connections must be made with a length of flexible conduit to minimize vibration and sound transmission to the building. Field wiring must comply with local and national fire, safety and electrical codes. SUPPLY VOLTAGE Operating voltage to unit must be within voltage range indicated in Table 1. On 3-phase units voltage imbalanced must be within 2%. Use the following formula to determine the percent voltage imbalance. In some areas where single phasing is more likely to occur, the electrical contractor/Installer is encourage to install a voltage phase protector to protect the unit from single phasing.

O P B 12345678 T 123

4

Consult the unit wiring diagram located on the inside of the access panel to ensure proper electrical hookup. Route power supply and signal wires through opening in unit’s side panel to their respective terminals. Check all electrical connections, including factory wiring within the unit and make sure all connections are tight.

WARNING

TO AVOID POSSIBLE INJURY OR DEATH DUE TO ELECTRICAL SHOCK, OPEN THE POWER SUPPLY DISCONNECT SWITCH (SWITCH-OFF) AND SECURE IT IN AN OPEN POSITION DURING INSTALLATION. USE LOCK-OUT AND TAG-OUT SECURITY LOCKS!

CAUTION THE CONTROL VOLTAGE FROM THE FAN COIL UNIT MUST BE OF 230V. DO NOT CONNECT THE POWER SUPPLY TO THE SIGNAL

%Voltage Imbalance max voltage deviation from average voltage = 100 x average voltage Example: Supply voltage is 460 - 3 - 60. AB = 452 v BC = 464 v ������������

This amount of phase imbalance is satisfactory as it is below the maximum allowable 2%.

Operation on improper line voltage or excessive phase imbalance constitutes abuse and may cause damage to electrical components.

PERATION AND START-UP RELIMINARY CHECKS

efore operating the unit be sure the following are in order.

. All wiring connections are correct and tight.

. All barriers, covers and panels are in place.

. Electrical power supply conform to unit’s requirement.

. Water piping system are flushed and clean.

. Water system is chemically treated.

. Water inlet temperature is maintained around 29.5°C (85°F).

. All joints are leak tested and leak free.

. All valves are opened.

O START UNIT

. Field disconnect switch is closed.

. Set room temperature below ambient setting.

. Compressor will start once time delay has elapsed (3 or 5 minutes is standard depending on model)

. Operate unit for 30 minutes, then check system refrigerant charge.

AC = 455 v 452 + 464 + 455 Average Voltage = 3 1371 = 3 = 457 Determine maximum deviation from average voltage: (AB) 457 - 452 = 5 v (BC) 464 - 457 = 7 v (CA) 457 - 455 = 2 v Maximum deviation is 7 v. Determine percent voltage imbalance: 7 % Voltage Imbalance = 100 x 457 = 1.53%

��������������������

7

REFRIGERANT CHARGING The 07KHP units are packed with refrigerant holding charge only. Proper refrigerant charge is determine using Superheat method.

IMPORTANT For accurate system performance, charge by superheat method as shown in table 6 and 7. To check and adjust charge, follow the following procedures: 1. Operate unit for a minimum of 30 minutes before checking

charge. 2. Measure suction pressure by attaching a gauge to suction

line service port. 3. Measure suction line temperature by attaching a service

thermometer to unit suction line near suction valve. Insulate thermometer for accurate readings.

4. Measure entering water temperature with a second thermometer.

5. Measure indoor coil air inlet wet-bulb temperature with a sling psychrometer.

6. Refer to table 4. Find entering water temperature and wet-bulb temperature entering indoor coil. At this intersection, note the superheat.

7. Refer to table 5. Find superheat and temperature and suction pressure, note suction line temperature.

8. If unit has higher suction line temperature than charted temperature add refrigerant until charted temperature is reached.

9. If unit has lower suction line temperature than charted temperature, bleed refrigerant until charted temperature is reached.

10. If entering water temperature or pressure at suction line changes, charge to new suction line temperature indicated on chart.

11. This procedure is valid independent of indoor air quantity. MAINTENANCE Remove unit’s access panels for internal servicing and maintenance. LUBRICANT Compressor contains factory oil charge. Replace oil when lost. See table 3 for oil recharge and refer to Carrier Manual Chapter 1, page 1-21 for oil recharging procedure.

CLEANING HEAT EXCHANGER Use a tank with 5% phosphoric acid. Pump the cleaning liquid through the plate heat exchanger at 1.5 times normal flow rate for optimum cleaning, preferably in back flush mode. Then, rinse with large amount of fresh water to get rid of all the acid before starting up the system again. Clean at regular interval. TABLE 4 AIR AND WATER LIMITS

LIMITS STANDARD TEMPERATURE

AIR (C)

Min. Ambient Air 21

Rated Ambient Air 27

Max. Ambient Air 43

Min. Entering Air at Evap 21

Rated Entering Air, DB/WB 27/19

Max Entering Air, DB/WB 32/23

WATER (C)

Min. Entering Water 15

Normal Entering Water 29.5

Max Entering Water * 35

CAUTION TO PREVENT PERSONAL INJURY, WEAR SAFETY GLASSES AND GLOVES WHEN HANDLING REFRIGERANT. DO NOT OVERCHARGED SYSTEM. THIS CAN CAUSE COMPRESSOR FLOODING.

CAUTIONBEFORE PERFORMING RECOMMENDED MAINTENANCE, BE SURE UNIT MAIN POWER SWITCH IS TURNED OFF. FAILURETO DO SO MAY RESULT IN ELECTRIC SHOCK OR INJURY.

* At maximum water flow conditions only as shown on Table 5 below

TABLE 5 WATER FLOW LIMITATIONS

UNIT MODEL NO. - 07KHP MAX / MIN L/S (GPM)

013 0.25 / 0.1 (4 / 1.5)

018 0.38 / 0.14 (6 / 2.3)

024 0.5 / 0.19 (8 / 3)

040 0.76 / 0.28 (12 / 4.5)

060 1.26 / 0.47 (20 / 7.5)

090 1.89 / 0.72 (30 / 11.5)

NOTE: Water flow must be sufficient to obtain a maximum 10F temperature rise across the water-to-refrigerant heat exchanger when operating in the cooling mode. Water flow rates greater than 4.0 GPM per nominal ton or water velocities of 10 ft/sec or more may cause erosion damage to the water-to-refrigerant heat exchanger.

9

Superheat Charging Table (English) (Superheat Entering Suction Service Valve)

INDOOR COIL ENTERING AIR (°F) WET-BULB ENT. WATER

TEMP(°F) 50 52 54 56 58 60 62 64 66 68 70 72 74 76

55 9 12 14 17 20 23 26 29 32 35 37 40 42 45

60 7 10 12 15 18 21 24 27 30 33 35 38 40 43

65 - 6 10 13 16 19 21 24 27 30 33 36 38 41

70 - - 7 10 13 16 19 21 24 27 30 33 36 39

75 - - - 6 9 12 15 18 21 24 28 31 34 37

80 - - - - 5 8 12 15 18 21 25 28 31 35

85 - - - - - - 8 11 15 19 22 26 30 33

90 - - - - - - 5 9 13 16 20 24 27 31

95 - - - - - - - 6 10 14 18 22 25 29

100 - - - - - - - - 8 12 15 20 23 27

105 - - - - - - - - 5 9 13 17 22 26

110 - - - - - - - - - 6 11 15 20 25

115 - - - - - - - - - - 8 14 18 23

Symbol dash (-) means: Do not attempt to charge system under these conditions or refrigerant slugging may occur. Required Suction Tube Temperature (English) (Entering Suction Service Valve)

SUCTION PRESSURE AT SERVICE PORT (psig) SUPERHEAT TEMP (°F) 61.5 64.2 67.1 70.0 73.0 76.0 79.2 82.4 85.7

0 35 37 39 41 43 45 47 49 51 2 37 39 41 43 45 47 49 51 53 4 39 41 43 45 47 49 51 53 55 6 41 43 45 47 49 51 53 55 57 8 43 45 47 49 51 53 55 57 59 10 45 47 49 51 53 55 57 59 61 12 47 49 51 53 55 57 59 61 63 14 49 51 53 55 57 59 61 63 65 16 51 53 55 57 59 61 63 65 67 18 53 55 57 59 61 63 65 67 69 20 55 57 59 61 63 65 67 69 71 22 57 59 61 63 65 67 69 71 73 24 59 61 63 65 67 69 71 73 75 26 61 63 65 67 69 71 73 75 77 28 63 65 67 69 71 73 75 77 79 30 65 67 69 71 73 75 77 79 81 32 67 69 71 73 75 77 79 81 83 34 69 71 73 75 77 79 81 83 85 36 71 73 75 77 79 81 83 85 87 38 73 75 77 79 81 83 85 87 89 40 75 77 79 81 83 85 87 89 91

Superheat Charging Table (Metric) (Superheat Entering Suction Service Valve)

INDOOR COIL ENTERING AIR (°C) WET-BULB ENT. WATER

TEMP(°C) 10 11.1 12.2 13.3 14.4 15.6 16.7 17.8 18.9 20 21.1 22.2 23.3 24.4

12 5 6.7 7.8 9.4 11.1 12.8 14.4 16.1 17.8 19.4 20.6 22.2 23.3 25

15.5 3.9 5.6 6.7 8.3 10 11.7 13.3 15 16.7 18.3 19.4 21.1 22.2 23.9

18.3 - 3.3 5.8 7.2 8.9 10.6 11.7 13.3 15 16.7 18.3 20 21.1 22.8

21.1 - - 7 5.6 7.2 8.9 10.6 11.7 13.3 15 16.7 18.3 20 21.7

23.9 - - - 3.3 5 6.7 8.3 10 11.7 13.3 15.6 17.2 18.9 20.6

26.7 - - - - 2.8 4.4 6.7 8.3 10 11.7 13.9 15.6 17.2 19.4

29.4 - - - - - - 4.4 6.1 8.3 10.6 12.2 14.4 16.7 18.3

32.2 - - - - - - 2.8 5 7.2 8.9 11.1 13.3 15 17.2

36 - - - - - - - 4.4 5.6 7.8 10 12.2 13.9 16.1

37.8 - - - - - - - - 3.3 6.7 8.3 11.1 12.8 15

40.6 - - - - - - - - 2.8 5 7.2 9.4 12.2 14.4

43.3 - - - - - - - - - 3.3 6.1 8.3 11.1 13.9

46.1 - - - - - - - - - - 4.4 7.8 10 12.8

Symbol dash (-) means: Do not attempt to charge system under these conditions or refrigerant slugging may occur. Required Suction Tube Temperature (Metric) (Entering Suction Service Valve)

SUCTION PRESSURE AT SERVICE PORT (KPaG) SUPERHEAT TEMP (°K) 424 443 463 483 503 524 546 568 591

0 1.7 2.8 3.9 5 6.1 7.2 8.3 9.4 10.6 1.1 2.8 3.9 5 6.1 7.2 8.3 9.4 10.6 11.7 2.2 3.9 5 6.1 7.2 8.3 9.4 10.6 11.7 12.8 3.3 5 6.1 7.2 8.3 9.4 10.6 11.7 12.8 13.9 4.4 6.1 7.2 8.3 9.4 10.6 11.7 12.8 13.9 15 5.6 7.2 8.3 9.4 10.6 11.7 12.8 13.9 15 16.1 6.7 8.3 9.4 10.6 11.7 12.8 13.9 15 16.1 17.2 7.8 9.4 10.6 11.7 12.8 13.9 15 16.1 17.2 18.3 8.9 10.6 11.7 12.8 13.9 15 16.1 17.2 18.3 19.4 10 11.7 12.8 13.9 15 16.1 17.2 18.3 19.4 20.6

11.1 12.8 13.9 15 16.1 17.2 18.3 19.4 20.6 21.7 12.2 13.9 15 16.1 17.2 18.3 19.4 20.6 21.7 22.8 13.3 15 16.1 17.2 18.3 19.4 20.6 21.7 22.8 23.9 14.4 16.1 17.2 18.3 19.4 20.6 21.7 22.8 23.9 25 15.6 17.2 18.3 19.4 20.6 21.7 22.8 23.9 25 26.1 16.7 18.3 19.4 20.6 21.7 22.8 23.9 25 26.1 27.2 17.8 19.4 20.6 21.7 22.8 23.9 25 26.1 27.2 28.3 18.9 20.6 21.7 22.8 23.9 25 26.1 27.2 28.3 29.4 20 21.7 22.8 23.9 25 26.1 27.2 28.3 29.4 30.6

21.2 22.8 23.9 25 26.1 27.2 28.3 29.4 30.6 31.7 22.2 23.9 25 26.1 27.2 28.3 29.4 30.6 31.7 32.8

TABLE 6

TABLE 7

10

FIG. 8 WIRING DIAGRAM 07KHP012

FIG. 9 WIRING DIAGRAM 07KHP018 & 024

FIG. 10 WIRING DIAGRAM 07KHP040 & 050

11

FIG. 11 WIRING DIAGRAM 07KHP060

12

FIG. 12 WIRING DIAGRAM 07KHP090

FIG. 13 RECOMMENDED SERVICE CLEARANCES

13

NO COOLING OR IN-SUFFICIENT

COOLING

COMPRESSOR RUNS BUT

INSUFFICIENT COOLING

INCORRECT METERING DEVICE

DIRTY AIR FILTERS

LOW SUCTION PRESSURE

AIR TRAPPED IN WATER CIRCUIT

BLOCKED WATER CIRCUITS HEAT

EXCHANGER

NO WATER FLOW THROUGH HEAT

EXCHANGER

COMPRESSOR RUNS BUT CYCLES ON

INTERNAL OVERLOAD

COMPRESSOR WILL NOT RUN

CONTACTOR OPEN

CONTACTOR CLOSED

FAULTY POWER SUPPLY

OPEN CONTROL CIRCUIT

DEFECTIVE TIME DELAY

LOOSE ELECTRICAL

CONNECTION

INTERNAL OVERLOAD OPEN

CONTACTOR OR COIL DEFECTIVE

OPEN HP PRESSURE

SWITCH

FAULTY START GEAR (1PH)

LOOSE LEADS AT COMPRESSOR

COMPRESSOR STUCK

COMPRESSOR POWER

SUPPLY OPEN

COMPRESSOR INTERNAL

PROTECTION OPEN

OVERCHARGED OR NONCONDENSABLES

IN SYSTEM

OPEN, SHORTED OR GROUNDED COMPRESSOR

MOTOR WINDING

HIGH SUPERHEAT

COMPRESSOR BEARINGS

DEFECTIVE FAN CAPACITOR

LINE VOLTAGE TOOHIGH OR LOW

LOW REFRIGERANTCHARGED

RESTRICTED DISCHARGE LINE

INTERNAL PRESSURE RELIEF

OPEN

DEFECTIVE COMPRESSOR

VALVES

CONDENSER ENT.WATER TEMP.

TO LOW

LIQUID LINE SLIGHTLY

RESTRICTED

SLIGHTLY LOW ON

REFRIGERANT

HIGH SUCTION LOW HEAD PRESSURE

INCORRECT METERING DEVICE

METERING DEVICERESTRICTED

INDOOR COIL FROSTED

DAMPER PARTLY CLOSED

DUCT RESTRICTED

HIGH SUCTION LOW SUPERHEAT

UNIT OVERCHARGED

INDOOR COIL STAINER

RESTRICTED

TROUBLESHOOTING CHART-COOLING CYCLE

14

Concepcion Carrier Air Conditioning Company Km. 20 East Service Road, South Superhighway,

Alabang, Muntinlupa City Tel. No. (63)2 850 1367 Fax No. (63)2 809 9979

Website: www.carrier.com.ph

Manufacturer reserve the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations

Form 07KHP-4IOM Replaces: 07KHP-3IOM

ConcepcionCarrier Air conditioning Company