Multi-zone Full Temperature Control Connect€¦ · 3.1 Livezi Chatterbox Livezi chatterbox is an easy to use application that will run on any iOS device (iPad, Ipod, Iphone). It

Multi-zone Full Temperature Control ConnectC-CCT-4IO C-CCT-LCD C-CCT-8IO C-CCT-RCC-CCT-12IO

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iPad Interface

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Indoor Unit

Outdoor Unit

MPM

Damper Motor

Room Controller

Flexible Duct

LCD Room Controller

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PublisherLivezi Phone 1300 306 125 Fax 07 3890 8734 Internet www.livezi.com.au Email [email protected]

Revision 12.01This Technical Manual describes the installation and commissioning of the Livezi Concealed ducted split air conditioner control systems.

CopyrightThis publication is Copyright © 2012 Livezi. All rights reserved. No part of this publication may be repro-duced, stored in any retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording or otherwise, without the prior written permission of Livezi.

DisclaimerLivezi reserves the right to make changes and improvements to any of the products described in this docu-ment without prior notice. Under no circumstances shall Livezi be responsible for any loss of income or any special, incidental, consequential or indirect damages howsoever caused.

WarrantyThe contents of this document are provided “as is”. Except as required by applicable law, no warranties of any kind, either express or implied, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose, are made in relation to the accuracy, reliability or contents of this docu-ment. Livezi reserves the right to revise this document or withdraw it at any time without prior notice.

SourcingProudly designed and manufactured in Australia by Livezi, an independent Australian-owned company.

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Contents

1 Installation Guidelines .......................................................................5

2 System Overview ..............................................................................5

3 Control System ..................................................................................63.1 Livezi Chatterbox .......................................................................... 6

3.1.1 Chatterbox HVAC .................................................................................................63.1.3 Chatterbox LTE ....................................................................................................63.1.1 Chatterbox NRG ...................................................................................................63.1.3 Chatterbox LOK .....................................................................................................6

3.2 Livezi Connect Multizone Controller .................................................. 73.2.1 Smartzone Main Processor Module .........................................................................73.2.2 EXP8 Zone Expansion Module ................................................................................73.2.3 EXP12 Zone Expansion Module ..............................................................................73.2.4 PARX Zone Expansion Module ...............................................................................73.2.5 Zone Touchpads ...................................................................................................8

3.3 Control Wiring ............................................................................. 8

4 Connect Multizone Controller Commissioning Steps .............................94.1 Before connecting power .......................................................................9

4.1.1 Add MotorSet Zones .............................................................................................9

4.2 Initial Power On ...................................................................................94.3 Set Airflow Profiles ................................................................................94.4 System Configuration .......................................................................... 10

5.4.1 Set Cooling Performance .....................................................................................105.4.2 Set Heating Performance ....................................................................................105.4.3 Set Motor Type ...................................................................................................105.4.1 Set Minimum Ventilation ......................................................................................115.4.2 Set MaxFlow ......................................................................................................115.4.3 Set Countdown Timer ..........................................................................................11

4.5 Final Zone Check ............................................................................... 11

5 Final Check List ............................................................................... 12

6 Connect Multizone LCD Touchpad (2~12 zones) ................................ 136.1 Touchpad layout .................................................................................................136.2 Turning all zones on or off ¤ ..............................................................................136.3 Selecting the conditioning mode ¤ .......................................................................136.4 Viewing a zones status ¤ ....................................................................................136.5 Turning a zone on or off .....................................................................................146.6 Setting a zone temperature (setpoint) ..................................................................146.7 Naming a zone ...................................................................................................146.8 Setting the system clock ¤ ..................................................................................156.9.1 Setting the system timer program ¤ .....................................................................156.9.2 Setting individual zone timer programs ................................................................176.9.3 Holiday / Away setting ........................................................................................17

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6 Connect Onboard Touchpad ............................................................. 137.1 Touchpad and Display Layout ..............................................................................187.2 Selecting the Conditioning Mode ..........................................................................187.3 Selecting a Zone ................................................................................................187.4 Activating / Deactivating a Zone ..........................................................................197.5 Setting a Zone Temperature ................................................................................197.6 Naming Zones ....................................................................................................197.7 Setting the Clock ................................................................................................207.8 Setting the System Timer Program ......................................................................207.9 Setting Individual Zone Timer Programs ...............................................................21

Appendix C: Airflow Management ...................................................... 22D.1 Airflow Profile ..................................................................................... 23D.2 MaxFlow Setpoint .............................................................................. 23

Appendix D: Troubleshooting ............................................................. 24D1. Self Diagnostics / Fault Detection ......................................................... 24D2. Diagnostic Menu ................................................................................. 25

Appendix E: Crimping Instructions ..................................................... 26

System Notes: .................................................................................... 26

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1 InstallatIon GuIdelInes The following guidelines are intended for the installation of Livezi Digital and Inverter air conditioning units used on domestic and commercial installations. Only suitably qualified trade personnel should carry out installations of Split or Package Air Conditioning systems. Full compliance with the local codes and regulations, which govern the installation of the equipment, is the responsibility of the installer.

Before installation, the electrical power should be checked to determine if adequate power is available with correct voltage to the site. The position of the equipment, after a survey of the building and the duct layout, should meet the following criteria.

1.1 Electrical

• All wiring by the installer must comply with local Energy Authority wiring rules. To make the correct connection a 240V 50Hz supply must be available in the case of single-phase units and a 415V 50Hz supply must be available in the case of three phase units.

• During transportation the units electrical connections may become loose, therefore it is the installers / electrician’s responsibility to make sure that all electrical connections are secure or warranty will be void.

• Field or installation wiring must be connected as per the connection diagram to ensure the unit performs as it is designed (Refer to Appendix A).

• Installer / electrician is to ensure that when an external overload device is fitted, it be calibrated or set to the maximum amp draw on the rating plate of the motor it is controlling.

2 system overvIewLivezi Connect delivers unprecedented levels of comfort and consumes significantly less energy than traditional concealed residential ducted systems. It achieves this by eliminating waste. Traditional systems have a fixed indoor airflow and although they modulate the refrigerant flow they cannot make their output proportional to the heat load of the home without dramatic shifts in the sensible heat ratio. Livezi maintains a consistent sensible heat ratio by controlling indoor airflow in concert with refrigerant flow.

Livezi controls all three comfort drivers (velocity, humidity and temperature). Livezi connect eliminates over cooling/ heating through the use of Air Stream Mapping (proprietary algorithm). Energy efficiency is managed through the use of Four Point Modulation (proprietary algorithm). The system has the flexibility to provide any combination of temperature and velocity targets for each zone.

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3 Control system

� The air conditioning plant and control system contains no user serviceable parts. Installation, service and maintenance of these components should be carried out by a suitably qualified technician.

� The control circuits for the indoor and outdoor units carry voltages ≥ 240 VAC which can cause serious injury or death.

3.1 Livezi Chatterbox Livezi chatterbox is an easy to use application that will run on any iOS device (iPad, Ipod, Iphone). It takes advantage of the large canvas associated with the iPad to provide an intuitive user interface.

3.2.1 Chatterbox HVAC Livezi chatterbox creates a page for each zone within the home. It displays zone specific information in a user friendly format enhancing the Livezi experience.

3.2.2 Chatterbox LTE Chatterbox LTE provides the same easy to use interface for lighting control.

3.2.2 Chatterbox NRG

Chatterbox NRG provides the same easy to use interface for energy management.

3.2.2 Chatterbox LOKChatterbox LOK provides the same easy to use interface for security.

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3.2 LiveziConnectvariableairflowmultizonecontroller

The Livezi Connect control system is a variable air volume (VAV) system with a 24 volt AC supply.

The Livezi Connect control modules (3) monitor the temperature for each zone from the sensor mounted in each zone touchpad (5). The zone dampers (4) open and close depending on whether or not the air being supplied by the HVAC plant (1) & (2) will assist the zone in maintaining the set temperature.

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Figure 3.2

3.2.1 Connect Main Processor Module The main processor module is best installed on or near the indoor unit. Maintain a minimum distance of 300 mm from sources of EMI such as the indoor fan motor.

3.2.2 EXP8 Zone Expansion Module The zone expansion module must be connected to the right hand side of the main processor module. A separate 24 VAC power supply is required (Refer to Connection Diagram).

3.2.3 EXP12 Zone Expansion Module The zone expansion module must be connected to the right hand side of the EXP8 module. A separate 24 VAC power supply is required (Refer to Connection Diagram).

3.2.4 PARX Zone Expansion Module The PARX expansion module must be connected to the right hand side of the main processor module. A separate 24 VAC power supply is required (Refer to Connection Diagram).

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3.2.3 Zone Touchpads The zone touchpads house the zone sensors and must be mounted within the area controlled by the corresponding motorised damper. The ideal position is 1.5 m off the floor in the return air path. Care must be taken to avoid solar radiation, wall cavity drafts and other heat sources.

The LCD zone touchpads allow the user to adjust various aspects of the indoor climate. By default access to all control functions is available from all LCD touchpads.

Access to some control functions from individual touchpads may be limited via hardware DIP switch settings during installation. These DIP switches are located on the back of each LCD zone touchpad.

If access to a function has been limited the LCD touchpad will respond with a beep only.

Connect LCD Touchpad DIP switch functions

Function DescriptionDIP switch position

1 2 3 4

Factory Default

The factory default allows full access to all controller functions. No screen change when backlighting goes off.

OFF OFF OFF OFF

My Zone Lock

Access setpoint and clock functions for this zone only. No access to other zones. ON OFF OFF OFF

My Zone Return

Full access. Display defaults to this zone when backlighting goes off. OFF ON OFF OFF

Setpoint Limit

Full access with setpoint range limited to 20 - 25 °C for this zone touchpad. OFF OFF ON OFF

Mode Lock

Full access excluding mode changes which are disabled from this zone touchpad. OFF OFF OFF ON

Summary Return

Full access. Display returns to summary screen when backlighting goes off. ON ON OFF OFF

3.2.4 Motorised Dampers The motorised barrel dampers must all have the same motor type, and should be fitted in line in the flexible duct.

3.3 Control Wiring

• All control wiring to touchpads and motors is by RJ12 type connectors, with the exception of the 24 VAC supply to the Livezi Connect main modules. Refer to Appendix B for control cable crimping instructions.

• Shielded cable is recommended for all data connections to minimise the possibility of external interference.

• Data cables are to be kept the maximum practical distance from any LV power supply cables ≥ 240 volts (Minimum distance 300 mm).

• Maximum cable length is not to exceed 50 m. Suggested cabling: Livezi supplies and recommends the following cable: RM-CAB-6-100 - six core flat cable for damper motors RM-CAB-S-100 - five core + shield flat cable for all data connections and touchpads.

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4 ConneCt CommIssIonInG steps

4.1 Beforeconnectingpower

If the system has more than four zones, ensure that the Connect MPM and expansion modules are firmly connected and fixed in place so they cannot come apart.

� THESE MODULES MAY BE DAMAGED IF THEY ARE SEPARATED WHILE POWER IS APPLIED TO THE SYSTEM.

Ensure that all touchpads and motors are connected as per the connection diagram supplied.

� DO NOT CONNECT SENSORS TO MOTOR OUTPUTS. SENSORS MAY BE DAMAGED IF POWER IS APPLIED IN THIS CASE.

4.1.1 Add MotorSet zonesLivezi connect is plug and play and will automatically detect present zones on boot up. It is possible to make a zone present without a room touchpad or controller present. Each module has a four DIP switch package. To make a zone present without a temperature sensor change the state of the corresponding DIP to on.

4.2 InitialPowerOnWhen power is applied to the system, the start-up routine will drive all zone damper motors to the fully open position. Check the main modules for fault LEDs (any red LED indicates an excess current fault on the output - generally a cable short)

4.3 SetZoneProfilesEach zone on the Connect can be tailored to suit the individual requirement of the space it controls. Zone Profiling includes a maximum open position on the damper and an airflow range.

4.3.1 SetZoneMaximumOpenProfileEach zone is assigned a maximum open damper position. This value represents the maximum travel in the open direction. The default vale for each zone is 100%. The minimum position can be set for active zones but this is a global value and is part of System Configuration (5.4).

Press or to select the target zone.

1. Press and hold both and for 10 seconds until the LCD display reads MaxPos #

on the top line (# = current zone number).

2. Use or to adjust the maximum open position, then press SET to save and

proceed to airflow profile.

4.3.2 SetAirflowProfilesEach zone on the Connect is assigned a virtual value called the airflow profile. This value represents the nominal maximum airflow to each zone when fully open. The default (and minimum) value for all zones is 200 L/s. Adjusting the airflow profiles enables the system to compensate for differences in zone size. Changing the airflow profile for a zone effects the balance of the airflow management algorithm.

For more information on airflow management refer to Appendix C.

3. The LCD display reads #)A/Flow

4. Use or to adjust the airflow profile value, then press SET to save and exit.

5. Repeat for each zone as required.

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4.4 SystemConfiguration

The following system configuration steps must be completed to ensure the system will operate correctly with the motors supplied, and that the system safety mechanisms operate as intended.

4.4.1 Set Cooling PerformanceThe Cooling Performance parameter provides additional energy savings by reducing compressor run time. The ingenious design of the Connect VAV is such that some cooling can still be achieved through thermal redistribution and heat targeting.

1. Press or to select the global screen. The display should read Active:x

(where x is the number of zones currently ON).

2. Press and hold both and for 10 seconds until the LCD display reads Cool DB

on the top line.

3. Use or to alter the cooling delay setting, then press SET to save and proceed to

the next step.

4.4.2 Set Heating PerformanceThe Heating Performance parameter provides additional energy savings by reducing compressor run time. The ingenious design of the Connect VAV is such that some heating can still be achieved through thermal redistribution and heat targeting.

1. The display should now read Heat DB on the top line.

2. Use or to alter the heating delay setting, then press SET to save and proceed to

the next step.

4.4.3 Set Motor Type The Livezi Connect utilises a time proportional damper positioning algorithm. Livezi offers three motors with different drive speeds for use with Connect: The Livzi 20* has a motor drive time of 20 seconds (default). The ADVAN16 has a motor drive time of 16 seconds. The Beli100 has a motor drive time of 100 seconds.The Beli 45 has a motor drive time of 45 seconds.The Mflex16 has a motor drive time of 45 seconds.The Poly16 has a motor drive time of 16 seconds.The Aadit16 has a motor drive time of 16 seconds.NOTE: All motors connected to a single system must be the same type.

1. The display should read Mot Type. The default motor type is Livezi20.

2. Use and to alter the motor type if required, then press SET to proceed to the

next step.

4.4.4 Set Minimum Ventilation Parameters The Connect System can be programmed to allow a minimum airflow to all zones that are ON. This is adjustable from 0 to 30% open and defaults to zero. This value effects all ON zones equally. The zone motors will close fully when the zone is turn turned OFF.

1. The display should now read Min Vent on the top line.

2. Use or to alter the minimum ventilation setting and press SET to proceed to the

next step.

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4.4.5 SetMaxFlowSetpointThe MaxFlow setpoint determines at what point the airflow management algorithm engages maximum airflow, in relation to the nominal system airflow requirement. The MaxFlow setpoint value is expressed in litres per second. The default is 950 L/s, from a range of 800 L/s to 1500 L/s. For more information on airflow management refer to Appendix C. Typically this will be set to the nominal maximum air flow value for the indoor unit as per the System Specification table.

1. The display should now read MaxFlow on the top line.

2. Use or to alter the MaxFlow setpoint, then press SET to save and proceed to the

next step.

4.4.6 SetCountdownTimerThe Zone Countdown Timer is activated whenever a value is set and a zone is activated by a button press. The value is global but the countdown is local. The system will turn off if the countdown timer expires on the last zone remaining active.

1. The display should now read Z Timer on the top line.

2. Use or to alter the timer setting, then press SET to save and exit system

configuration.

4.5 Final Zone Check

1. Select the global screen and press to turn all zones ON.

2. Press or to select the first zone.

3. Turn the zone OFF. Ensure airflow to the zone stops.

4. Press SET to display the current zone setpoint and temperature/motor position.

5. Verify the temperature by placing an accurate temperature probe adjacent to the

touchpad sensor.

6. Edit the zone name. Refer to Livezi Connect Operating Instructions for details.

7. Repeat for each zone.

NOTE: Sensors are tested for accuracy within ±1 °C. Allow 15 minutes from initial system power on to allow sensors to reach maximum operating efficiency.A variety of factors may affect the degree of error between measured (probe) temperature, and sensed (displayed) temperature. These include:• Calibration/accuracy of the measuring device.• External heat sources / wall cavity drafts.An extreme high temperature reading (over 60 °C) indicates a short circuit touchpad sensor. An extreme low temperature reading (0 °C) indicates an open short circuit touchpad sensor. Significant errors (> ±2 °C) within these extremes may indicate a cable fault to the touchpad housing the sensor.

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5 FInal CheCk lIst

Electrical ▢ All electrical connections are secure. ▢ Correct phase is connected to the unit. ▢ Fuse or circuit breaker is of the correct rating. ▢ All wires are terminated. ▢ Correct power supply is connected to the unit. ▢ Unit is drawing correct amps.

Outdoor Unit ▢ Free air flow to and from the unit ▢ Condenser fan is discharging air. ▢ All cabinet panels are securely fastened

Indoor Unit ▢ The unit is inclined to the drain outlet. (12 mm fall is best) ▢ Condensate lines are fitted and sealed. ▢ Condensate lines do not rise above the floor level of the unit. ▢ Condensate lines are properly trapped. ▢ Ductwork is securely fixed to the unit. ▢ The unit is slung or mounted on suitable anti-vibration devices. ▢ The unit is delivering correct air quantity.

Refrigerant Lines ▢ No leaks. ▢ Both lines are insulated. ▢ Properly supported. ▢ Free of kinks or dents.

Ductwork ▢ Free from leaks. ▢ Securely fixed at all joints. ▢ Filters are cleaned and in place. ▢ Outlets are open.

Control System ▢ All dampers open and close. ▢ Dampers are matched to sensors. ▢ Correct time is set.

Warranty Information ▢ Complete the installation details in the warranty section of the Operating Instruction booklet.

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6 ConneCt lCd touChpad

The Livezi Connect control system coordinates the operation of the Livezi indoor and outdoor units, and zone dampers to provide the finest indoor climate control solution currently available.

To turn on the system simply press at any touchpad. In the default auto mode the system will begin heating or cooling as required. When all areas are off the conditioning system shuts down.

The LCD touchpad allows adjustment of various aspects of your indoor climate. By default access to all control functions is available from all LCD touchpads.

Access to some control functions may be limited via hardware settings during installation (Refer to section 3.2.3 - Zone Touchpads). In the following pages, functions which may be limited in this manner will be indicated with a ¤ in the heading.

6.1 Touchpad layout

Active:7Mode=Aut

Liquid Crystal Display showing Global Screen with scrolling system summary.

Adjust setpoint, scroll through options and change variables.

Access parameter adjustment. Save variables and advance to next field.

Scroll through available zones

Turn system on and off at Global Screen.Turn zones on and off at Zone Screens.

Adjust the current time or program.

Access mode selection screen. Functions as back button while in edit screens.


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6.2 Turningallzonesonoroff¤

1. Press ZONE or or until the global screen is displayed.

2. Press to turn all zones on or off as required.

General system information scrolls across the bottom line of the LCD when the system is on. E.g. Fan=80% Cooling=60% Mode=Auto

6.3 Selectingtheconditioningmode¤The mode of operation for the main air conditioning plant can be selected from global screen of the LCD touchpads. The global screen can be identified by general system information scrolling across the bottom line of the LCD.E.g. Fan=80% Cooling=60% Mode=Auto

Auto - selects heat or cool as requiredHeat - Heating onlyCool - Cooling onlyVent - Fan only - no heating or cooling

1. Press MODE to access the mode selection screen.

2. Use or to alter the mode.

3. Press SET to save and exit.

6.4 SelectingtheZonemode¤The mode of operation for individual zones can be selected from each zone screen of the LCD touchpads. The zone screen can be identified by the actual zone name being displayed.E.g.

Living 3)Off

Temp Set - selects damper modulates to maintain target temperatureMotorSet - provides manual damper positioning in 5% steps regardless of room temperature.




6.5 Viewingazonesstatus¤

1. Press ZONE or or to cycle from the global screen through each of the individual

zone status screens.

Living 3)Off

2. The current status of the selected zone is displayed on the second line of the LCD read-

out. If the zone is on the zone status scrolls across the bottom of the display. E.g. Setpoint=22.5°c,Temp=23.0°c

15

6.6 Turning a zone on or off

1. Press ZONE or or to select the zone.

2. Press to turn the zone on or off as required.

6.7 Setting a zone temperature / Position (setpoint) Zone damper behaviour is determined by whether a zone sensor is connected to the zone sensor output at the zone control modules. If a sensor is detected the zone is configured for temperature control. If no sensor is detected and the enable zone dipswitch is turned on the zone is configured for damper positioning control.

1. Press ZONE or or to select the target zone.

2. Press SET to adjust the target temperature / position.

Set=22.5°cTmp=23.0°c

Set=8 5 %Pos=2 5 %

3. Use or to adjust the set point to the desired level.


6.8 Setting a return air temperature (onlyusedwhenallzonesareinFlowSet mode)

When all zone mode settings = FlowSeta return air setpoint is used.

1. Press or to select the global screen.

2. Press SET to adjust the return air target temperature.



6.8 Naming a zone Zone names must be eight characters in length. A blank character must be used to fill spaces where no letters are required.

1. Press ZONE or or to select the zone to be named.

2. Press and hold SET for approximately ten seconds access the zone name edit function.

Z1 Name: (Custom)

3. Use and to view all of the preset zone names (e.g. Lounge Games or

Custom).

4. Press SET on your choice. See tip below.

™Z1 Name: Games

5. Use or to change the first character of the zone name if required.

6. Press and hold or to scroll quickly through the available characters.

7. Press SET to move to the next character. Press MODE to return to the previous

character to correct a mistake.

8. Repeat for all eight character spaces.

9. Pressing SET to accept the final character will save the zone name and the controller

will return to the standard display.

Tip: To accept one of the preset zone names, press SET repeatedly to accept each character including any blanks until the controller reverts to the standard display.

16

6.9 Settingthesystemclock¤


2. Press CLOCK to display the current time and date.

™10:12pTuOff

3. Use or to highlight Change Time then press SET.

4. Use or to alter the highlighted hours value then press SET.

5. Repeat for the minutes and day values.

6. Pressing SET after the day value will return you to the time clock summary screen.

7. Press CLOCK to exit and return to the zone summary screen.

6.9.1 Settingthesystemtimerprogram¤


2. Press CLOCK to display the clock.

3. Use or to highlight ALL Zones program? then press SET.

4. Use or to highlight desired program A or B then press SET.

5. The top line will scroll Program ALL Zones.

™ram DayssMTWTFs

6. On the bottom line the days of the week are displayed. A CAPITAL letter indicates that

the system on/off times will apply on that day. Press to activate, or to deactivate

each day, then press SET to move to the next day.

7. Press SET after the final day value to enter the start time. If no days have been

activated the configuration routine will exit at this point. If there are valid days the top

line will scroll Program start: ALL Zones.

start: A08:4™0 am

8. Use or to alter the start time to the correct value (in 10 minute intervals).

9. Press SET to proceed to the stop time. The top line will scroll Program stop:

ALL Zones.

™

sto p: AL05:30 pm

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6.9.2 Setting individual zone timer programs

1. Press ZONE or or to select the required zone.

2. Press CLOCK to display the current program days for that zone. The top line will scroll

Program Days: Zone x.

™ram DayssMTWTFS

3. A CAPITAL letter indicates that the zone on/off times will apply to that zone on that day.

Press to activate, or to deactivate each day, then press SET to move to the next

day. Repeat for each day.



line will scroll Program start: Zone x.

start: Z08:4™0 am


6. Press SET to save the start time and proceed to the stop time. The top line will scroll

Program stop: Zone x.

™

sto p: Zo05:30 pm

7. Use or to alter the stop time then press SET to complete setting the program for

that zone and return to normal operation.


6.9.3 Holiday,Away,DisableTimeClockPrograms

1. Select the Global screen.

2. Press CLOCK to display the current time.

™10:12pTuOff

3. Press to access TC Enable menu.

4. Use or to select Yes? or No? and press SET

5. TC Off will scroll with system information when No? is selected.

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7 Connect MPM Onboard Touchpad

The Livezi Connect system communicates with the indoor and outdoor unit to control the fan speed, mode selection and conditioning capacity. Conditioning starts when one or more zones are ON, and stops when all zones are OFF.

7.1 Touchpad and Display Layout

with technologyPlugPlay&

1800 354 434

smartzone

www.livezi.com

BAND

TEMPMODE

SET

Dual line backlit liquid crystal display screen.


Alternate between clock display and HVAC display.

Access mode selection. Functions as back button in menu system.

Select menu options. Save variables and advance to next field

Turn system or zone on and off. LED below is illuminated when system is on.

Active:7

Mode=Aut

7.2 Selecting the Conditioning Mode The operating mode for the system can be selected from the following options at any LCD touchpad. The default is Auto.

Auto - selects heat or cool as requiredHeat - Heating onlyCool - Cooling onlyVent - Fan only - no heating or cooling




7.3.3 Selecting a Zone

1. Press or to cycle from the global screen, through each of the individual zone

status screens.

The global screen is depicted in the image above.

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7.4 Activating / Deactivating a Zone

1. Press or to select the zone to be activated / deactivated. The current status of

the selected zone is displayed on the second line of the LCD read-out.

2. Press to turn the selected zone ON or OFF as required. The green LED below the

button indicates the zones on/off status.

Alternatively, all zones can be activated / deactivated simultaneously by the selecting the

global screen then pressing .

7.5 Setting a Zone Temperature

1. Press or to select the target zone.

2. Press SET .



7.6 Naming Zones Zone names must be eight characters in length. A blank character must be used to fill spaces where no letters are required.

Tips:• To accept one of the preset zone names, press SET repeatedly to accept each character

including any blanks until the controller reverts to the standard display. • When adding a custom name it is often quicker to edit one of the preset names with the

same number of letters.

1. Press or to select the zone to be named.

2. Press and hold SET for approximately ten seconds, until the display reads Z1 Name:.

3. Use or to view all of the preset zone names.

4. Press SET on your choice (e.g. Lounge, Games or Custom).

5. Use or to change the first character of the zone name if required.

6. Press and hold or to scroll quickly through the available characters.

7. Press SET to move to the next character. Press MODE to return to the previous character to

correct a mistake.

8. Repeat for all eight character spaces.

9. Pressing SET to accept the final character will save the zone name and the controller will

return to the standard display.

20

7.7 Setting the Clock


2. Press CLOCK to display the current time and date.

™10:12pTuOff

3. Use or to highlight “change time” then press SET.

4. Use or to alter the highlighted hours value then press SET.

5. Repeat for the minutes and day values.

6. Pressing SET after the day value will return you to the time clock summary screen.

7. Press CLOCK to exit and return to the zone summary screen.

7.8 Setting the System Timer Program


2. Press CLOCK to display the clock.

3. Use or to highlight ALL Zones program? then press SET.

4. Use or to highlight desired program A or B then press SET.

5. The top line will scroll Program ALL Zones.

™ram DayssMTWTFs

6. On the bottom line the days of the week are displayed. A CAPITAL letter indicates that

the system on/off times will apply on that day. Press to activate, or to deactivate

each day, then press SET to move to the next day.



line will scroll Program start: ALL Zones.

start: A08:4™0 am


9. Press SET to proceed to the stop time. The top line will scroll Program stop:

ALL Zones.

™

sto p: AL05:30 pm

21

7.9 Setting Individual Zone Timer Programs

1. Press or to select the required zone.

2. Press to display the current program days for that zone.

3. A CAPITAL letter indicates that the on/off times will apply to that zone on that day. Use

to activate, or to deactivate each day, then press SET to move to the next day.

Repeat for each day.

4. Press SET after the final day value to enter the Start time screen. (Note: If no days have

been selected the configuration routine will exit at this point)

5. Use or to alter the start time to the correct value (in 10 minute intervals) then

press SET to proceed to the Stop time screen. PM is indicated by a “p” after the time.

6. Repeat for the Stop time then press SET to complete setting the program for that zone

and return to normal operation.


22

appendIx C: aIrFlow manaGementThe Livezi Connect airflow management system modulates the speed of the indoor fan based on the condition of the VAV system as a whole. The position of the VAV damper to each load segment is monitored and at any given time the status of the VAV system can be expressed as a nominal system airflow requirement in litres per second.

Consider the following simple examples:

Example 1A system is made up of two load segments of equal size. The VAV damper to one segment is fully closed and the damper to the other is fully open. In this instance the VAV system status is the same regardless of which VAV damper is open.

(Actual system open ≈ 50%)

Example 2Now consider the case where one of the load segments is larger (one is twice the size of the other). The status of the VAV system when the large load segment is fully open and the smaller one fully closed,


is obviously different from when the small load segment is fully open and the large one fully closed.


To ensure optimum operation of the airflow management algorithm for the case in example 2, each load segment is assigned a virtual setting called the airflow profile.

23

C.1 AirflowProfile

The airflow profile represents the nominal maximum airflow for each individual load segment when the VAV damper is fully open. By adjusting the airflow profile setting for each segment, the system’s airflow management algorithm may be fine tuned to compensate for variations in room and duct size to optimise the airflow.

The default value for each segment is 200 L/s. This is the minimum value and can be adjusted in increments of 10 up to the 1500 L/s maximum value.

The airflow management algorithm uses the airflow profile values to determine the status of the VAV system as a whole. The VAV damper position (percentage open) for each load segment is multiplied by the airflow profile. The sum of these values is the nominal system airflow requirement for the system.

In the examples on the previous page the following settings will have the desired effect.

Example 1:Both zones - Airflow profile = 200

Nominal system airflow requirement = 200

Example 2:Large zone - Airflow profile = 400 Small zone - Airflow profile = 200

Nominal system airflow requirement = 400

C.2 MaxFlowSetpoint

The MaxFlow setpoint determines at what point the airflow management algorithm engages maximum airflow, in relation to the nominal system airflow requirement. The MaxFlow setpoint value is expressed in litres per second. The default is 950 L/s from a range of 800 L/s to 1500 L/s.

Total VAV System Open (%)

de

ep

S n

aF r

oo

dnI

95%#%muminiM

Maximum

Adjusted PeakLoad Setpoint

Default PeakLoad Setpoint

The speed of the indoor fan is ramped up and down as the nominal system airflow requirement fluctuates between the minimum and MaxFlow value.

Typically this will be set to the nominal maximum air flow value for the indoor unit as per the System Specification table.

24

appendIx d.1: troubleshootInG

D1. Digital Inverter System Self Diagnostics / Fault Detection

Livezi systems are able to detect a number of problems and display a fault message to aid in troubleshooting.

Fault D1 - 3 Phase error Digital OutdoorLine 1 = Fault D1:

Line 2 scrolls one of the following:3 Phase, L2 & L3 lost3 Phase, L2 lost3 Phase, L3 lost3 Phase, rotate L2 & L3

Fault D2 - Coil Sensor Error (sensor nominated)Line 1 = Fault D2:

Line 2 scrolls one of the following:Outdoor coil sensor open circuitOutdoor coil sensor short circuitIndoor coil sensor open circuit

Indoor coil sensor short circuit

FaultD3-HighPressureorLowpressureFaultLine 2 scrolls one of the following:HP compressor safetyLP compressor safetyHP/LP compressor safety

Fault D4 - Interconnect Indoor > OutdoorLine 1 = Fault 4:

Line 2 scrolls one of the following:AHU and Condenser Interconnect

Fault D5 - Contact ManufacturerLine 1 = Fault 5:

Line 2 scrolls Contact Manufacturer

Fault D6 - Contact ManufacturerLine 1 = Fault 6:

Line 2 scrolls Contact Manufacturer

Fault D7 - Zoning to Indoor Board Communications LostLine 1 = Fault D7:

Line 2 scrolls AHU and Zoning interconnect

Fault D8 - Contact ManufacturerLine 1 = Contact Manufacturer

25

appendIx d.2: troubleshootInG

D2. Dual Inverter System Self Diagnostics / Fault Detection

Livezi systems are able to detect a number of problems and display a fault message to aid in troubleshooting.

Fault I1 - Indoor unit and outdoor unit not compatibleLine 1 = Fault I1:Line 2 scrolls one of the following:AHU and Condenser not compatible

Fault I2 - Coil Sensor Error (sensor nominated)Line 1 = Fault I2:Line 2 scrolls one of the following:Outdoor coil sensor open circuitOutdoor coil sensor short circuitIndoor coil sensor open circuit

Indoor coil sensor short circuit

Fault I3 - Contact ManufacturerLine 2 scrolls one of the following:Contact Manufacturer

Fault I4 - Interconnect Indoor > OutdoorLine 1 = Fault 4:Line 2 scrolls one of the following:AHU and Condenser Interconnect

Fault I5 - Contact ManufacturerLine 1 = Fault 5:Line 2 scrolls Contact Manufacturer

Fault I6 - Contact ManufacturerLine 1 = Fault 6:Line 2 scrolls Contact Manufacturer

Fault I7 - Zoning to Indoor Board Communications LostLine 1 = Fault D7:Line 2 scrolls AHU and Zoning interconnect

Fault I8 - Contact ManufacturerLine 1 = Contact Manufacturer

26

D2. Diagnostic Menu

Hold down the mode button for ≈ 10 seconds from the global screen to access the diagnostic menu.

DiagMenuExit

Use or to select from the following options , then press SET to view the status:

CoilTemp Line1: In=36.0°c (Indoor coil sensor) Line2: Out=34.0°c (Outoor coil sensor)

CompLoad

Line1: In=36.0°c (Indoor coil sensor) Line2: LD=100% (Compressor load)

Defrost

Line1: Defrost= Line2: Ok, or DeIce, or DeWater.

3 Phase

Line1(scrolls): L1=Ok L2=Down L3=Down (state can be Down or Ok, this example is single phase) Line2(scrolls): Health= (either Bad/Not 3Phase, or Ok)

HP/LP/DI (DI=Discharge sensor) Line1(scrolls): HP=Ok LP=Ok (either Ok or Fault) Line2: Di=70.0°c NOTE: Discharge sensor temperatures below 70.0 °C will be displayed as 70.0 °C.

to Indoor unIt

LiveziPhone 1300 306 125 Fax 07 3890 8734 Web: www.livezi.com.au Email: [email protected]: www.livezisupport.com

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