Daikin RELQ72TBTJ Series Installation Manual
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Daikin RELQ72TBTJ Series Installation Manual

Daikin RELQ72TBTJ Series Installation Manual

System air conditioner
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VRV
System air conditioner
MODEL
RELQ72TBTJ*
RELQ72TBYD*
RELQ96TBTJ*
RELQ96TBYD*
RELQ120TBTJ*
RELQ120TBYD*
RELQ144TBTJ*
RELQ144TBYD*
RELQ192TBTJ*
RELQ192TBYD*
RELQ240TBTJ*
RELQ240TBYD*
Please visit http://www.daikinac.com/content/resources/manuals for the most current version of installation instructions
and service manual. In the event of conflicting information, the online instructions are to be used.
Veuillez visiter http://www.daikinac.com/content/resources/manuals pour obtenir la version la plus récente des
instructions d'installation et du manuel de service. En cas de conflit d'informations, les instructions en ligne sont à
privilégier.
Por favor visite http://www.daikinac.com/content/resources/manuals para obtener la versión más actualizada de las
instrucciones de instalación y del manual de servicio. En caso de información conflictiva, se utilizarán las
instrucciones en línea.
INSTALLATION MANUAL
Aurora Series
RELQ72TBYC*
RELQ96TBYC*
RELQ120TBYC*
RELQ144TBYC*
RELQ192TBYC*
RELQ240TBYC*
English
Français
Español

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  • Page 1 INSTALLATION MANUAL Aurora Series System air conditioner English MODEL RELQ72TBTJ* RELQ72TBYD* RELQ72TBYC* RELQ96TBTJ* RELQ96TBYD* RELQ96TBYC* RELQ120TBTJ* RELQ120TBYD* RELQ120TBYC* Français RELQ144TBTJ* RELQ144TBYD* RELQ144TBYC* RELQ192TBTJ* RELQ192TBYD* RELQ192TBYC* RELQ240TBTJ* RELQ240TBYD* RELQ240TBYC* Español Please visit http://www.daikinac.com/content/resources/manuals for the most current version of installation instructions and service manual.

  • Page 2: Safety Considerations

    • After completing the installation work, check that the re- specified by Daikin are used, fire or explosion could result. frigerant gas does not leak throughout the system. • Do not install unit in an area where flammable materials are present due to risk of explosions that will result in seri- ous injury or death.

  • Page 3: Codes And Regulations

    Normal operation is not tion. possible when connected to other units. Make sure to use a DAIKIN specified checker while measur- • Remote controller (wireless kit) transmitting distance can ing sub cooling. Do not use the check valve or the other port be shorter than expected in rooms with electronic fluores- to measure it.

  • Page 4: Table Of Contents

    Installation Manual VRV Aurora Series System air conditioner CONTENTS Safety considerations ........i 9.3. Leading wire procedure ......20 9.4. Transmission wiring connection Codes and Regulations ........ii procedure ..........21 Introduction ...........2 9.5. Power wiring connection procedure ..22 1.1. General information ......... 2 9.6.

  • Page 5: Introduction

    P type (BSVQ-PVJU, BSV-Q36PVJU) in the system. Combination with the outdoor unit. The software for the user interface program of T type and P type cause malfunction. can be obtained from your local Daikin sales office. 1.2.1. Indoor units combinations INFORMATION In general VRV indoor units can be connected to RELQ-T units.

  • Page 6: Indoor Capacity Range

    1.3. Indoor capacity range 1.4. Scope of the manual This manual describes the procedures for handling, installing and 1.3.1. Connection Ratio connecting the VRV Aurora series outdoor units. This manual has Connection Ratio = Total capacity index of the indoor units / Capac- been prepared to ensure adequate maintenance of the unit, and it will ity index of the outdoor units provide help in case problems occur.

  • Page 7: Overview Of Unit

    3. Overview of unit CAUTION 3.1. Opening the unit Appliance not accessible to the general public, install it in a secured area, protected from easy access. To gain access to the unit, front panels need to be opened as follows: This unit, both indoor and outdoor, is suitable for installation in a com- RELQ72-120T type mercial and light industrial environment.

  • Page 8: Weather Related Precautions

    • When installing in areas where air contains high levels of salt such as near the ocean; Contact your Daikin sales representative for additional precautions. 4.3. Selecting a location in cold climates NOTE •...

  • Page 9: Dimensions And Service Space

    5. Dimensions and service space 5.2. Service space The space around the unit is adequate for servicing and the minimum 5.1. Dimensions of outdoor unit space for air inlet and air outlet is available (refer to the figure below RELQ72-120T type and choose one of the possibilities).

  • Page 10: Inspecting, Handling And Unpacking The Unit

    3 Bring the unit as close as possible to its final installation position in its original package to prevent damage during transport. <Front side> <Suction side> Service space or more or more 59 in. (1500 mm) 19-5/8 in. (500 mm) •...

  • Page 11: Installing The Unit

    6.4. Installing the unit NOTE Make sure the unit is installed level on a sufficiently strong base to • There are restrictions on the refrigerant pipe connecting order prevent vibration and noise. between outdoor units in the case of the multi system. NOTE See 1.2.2.

  • Page 12: Method For Opening The Sliding Plate

    6.6. Method for opening the sliding plate 7. Refrigerant pipe size and allowable pipe length The sliding plate should be moved to the open position in the following 7.1. General information regions to minimize temperature rise in the main control box: CA, NOTE NV, AZ, NM, OK, TX, AR, LA, MS, AL, TN, GA, NC, SC, FL and Latin America.

  • Page 13: Selection Of Piping Size

    7.3. Selection of piping size 7.3.2. Piping between refrigerant branch kits, Branch Selec- tor units or refrigerant branch kits and Branch Selector Determine the proper size referring to following tables and reference units: C figure (only for indication). Choose from the following table in accordance with the indoor unit total capacity, connected downstream.

  • Page 14: Selection Of Refrigerant Branch Kits

    7.4. Selection of refrigerant branch kits • Concerning REFNET headers, choose from the following table in accordance with the total capacity of all the indoor units connected For piping example, refer to 7.3. Selection of piping size on page 10. after the REFNET header. •...
  • Page 15 <Example of connection> Outdoor unit Branch Selector Indoor unit side unit side (1) Piping from outdoor units to Branch Selector units, and between Branch Selector units Suction gas pipe (3 lines): 3 pipes High/low pressure gas pipe Liquid pipe (2) Piping from Branch Selector units to the indoor units, and from refrigerant branch kits to the cooling-only indoor units (*2) (Suction) gas pipe (2 lines): 2 pipes Liquid pipe...
  • Page 16 Actual piping length from the first REFNET joint or REFNET header to indoor From branch to indoor unit: ≤130 ft. (40 m) (*9) unit via 1 Branch (Example) 4 : e+h+j≤130 ft. (40 m), 7 : b+c+d+m+n+p≤130 ft. (40 m) Selector unit Allowable length after...
  • Page 17 Example: Only the allowable length after branch for the indoor unit 9 exceeds 130 ft. (40 m) in the Necessary conditions figure in the lower right 1. Upsize the liquid pipe from the first Upsize the liquid pipes b, c, d, e, f and g in the refrigerant branch kit to the final figure in the right.

  • Page 18: Precautions On Refrigerant Piping

    8. Precautions on refrigerant piping • Do not allow anything other than the designated refrigerant to get mixed into the refrigerant cycle, such as air, nitrogen, etc. If any refrigerant gas leaks while working on the unit, ventilate the room thoroughly right away.
  • Page 19 Use the following procedure to remove the pinched piping: WARNING 1 Remove the valve cover and make sure that the stop valves are When brazing at the proximity of the stop valves, be sure to protect fully closed. the stop valves mounting plate with a protective plate to prevent from 1 Service port and service port contacting with the burner flame.
  • Page 20 Side (bottom) connection • Only proceed with piping work after considering the limitations on Remove the knockout hole on the bottom frame and lead out the installing listed here and in the chapter 8.2. Connecting the refriger- piping from the bottom frame. ant piping on page 15 always referring to the installation manual delivered with the kit.

  • Page 21: Guidelines For Handling Stop Valve

    • If the piping length between the outdoor units exceeds 6.5 ft. (2 m), 2 Installation of the multi connection piping kit. create a rise of 8 in. (200 mm) or more in the suction gas and high/ low pressure gas line within a length of 6.5 ft. (2 m) from the kit. +15°...

  • Page 22: Field Wiring

    8.3.2. How to use the stop valve • After handling the stop valve, make sure to tighten the stop valve cover securely. For the tightening torque, refer to 8.3.2. How to use Tightening torques the stop valve. Tightening torque (Turn clockwise to close) Stop •...

  • Page 23: Power Circuit, Safety Device And Cable Requirements

    • Make sure the electrical imbalance ratio is no greater than 2%. If it is 9.2. Wiring connection example for whole system larger than this, the unit’s lifespan will be reduced. If the ratio exceeds 4%, the unit will shut down and an malfunction code will be displayed on the indoor remote controller.

  • Page 24: Transmission Wiring Connection Procedure

    RELQ72-120T type NOTE • Do not connect the power wiring to terminals for the transmission wiring. Doing so would destroy the entire system. • Wiring to the indoor unit by way of Branch Selector unit should be wired to F1 and F2 on the outdoor unit’s terminal block (A1P_X1M). •...

  • Page 25: Power Wiring Connection Procedure

    • Outside the units, the transmission wiring must be finished simulta- CAUTION neously with the local refrigerant piping, and wound with tape (field • Be sure to use crimp-style terminal with insulating sleeves for con- supply) as shown in the figure below. nections.

  • Page 26: Air Tight Test And Vacuum Drying

    10. Air tight test and vacuum drying RELQ72-120T type • After finished piping work, carry out air tight test and vacuum drying. NOTE • Always use nitrogen gas for the air tightness test. • Absolutely do not open the stop valve until the main power circuit insulation measurement has been completed.

  • Page 27: Pipe Insulation

    11. Pipe insulation NOTE • The air-tightness test and vacuum drying should be done using the NOTE service ports of suction gas pipe, high/low pressure gas pipe and Pipe insulation thickness provided below are guidelines only. Pipes liquid pipe stop valve. See the [R410A] Label attached to the front must be insulated with the appropriate thickness of insulation per ap- panel of the outdoor unit for details on the location of the service plicable local/state or national codes.

  • Page 28: Checking Of Device And Installation Conditions

    12. Checking of device and installation conditions 1 Front panel 2 Inspection door Be sure to check the followings. For those doing electrical work 3 Main printed circuit board with 3 seven-segment display and 3 push buttons 1 Make sure there is no faulty transmission wiring or loosening of a nut.
  • Page 29 When turning on the power supply, the display flashes on and off. First • Push BS3 one time; the value which is returned (depending on the checks of the power supply are executed (1-2 minutes). actual field situation), is the amount of indoor units which are con- nected to the system.

  • Page 30: Connecting The Pc Configurator To The Outdoor Unit

    13.2.2. Operating the DIP switches 14.2. Calculating the additional refrigerant charge By operating the DIP switches it is possible to: NOTE What to do with DIP switch DS1 The refrigerant charge of the system must be less than 210 lbs. Cool/Heat selector (refer to the manual of the Cool/ (100 kg).
  • Page 31 Parameter [D] FXSQ, FXMQ type Indoor unit capacity 15 18 24 30 36 48 54 type (*1) (*1) (*1) (*1) Refrigerant 0.00 0.03 0.00 0.05 0.00 0.02 0.00 0.00 0.00 0.00 0.00 amount (0.00) (0.014) (0.00) (0.021) (0.00) (0.01) (0.00) (0.00) (0.00) (0.00)

  • Page 32: Method For Adding Refrigerant

    14.3. Method for adding refrigerant 14.3.1. Flow chart Step 1 Calculate additional refrigerant charge amount: R (lbs. (kg)) Step 2+3 • Close valves C and A • Open valve B to the liquid line • Execute pre-charging amount: Q (lbs. (kg)) •...
  • Page 33 Measuring instrument NOTE Refrigerant R410A tank (siphon system) • If the power of some units is turned off, the charging procedure can- Vacuum pump not be finished properly. Charge hose • In case of a multiple outdoor system, turn on the power of all out- door units.

  • Page 34: Start-Up And Configuration

    15. Start-up and configuration INFORMATION The refrigerant charge operation will automatically stop within 30 INFORMATION minutes. If charging is not completed after 30 minutes, perform the It is important that all information in this chapter is read sequentially by additional refrigerant charging operation again. the installer and that the system is configured as applicable.

  • Page 35: Monitoring Function And Field Settings

    13 Air inlet/outlet [1-2]= shows the status of power consumption limitation operation. Check that the air inlet and outlet of the unit is not obstructed by • 1=unit is currently operating under power consumption paper sheets, cardboard, or any other material. limitation •...
  • Page 36 15.2.2. Mode 2 [2-12]= Enable the low noise function and/or power consumption limitation via external control adaptor (DTA104A61/62) Mode 2 is used to change the field settings of the system. Consulting the current field setting value and changing the current field setting If the system needs to run under low noise operation or value is possible.
  • Page 37 [2-26]= Low noise operation start time [2-32]= Forced, all time, power consumption limitation operation (no external control adaptor is required to perform power Change [2-26]=1, 2 or 3 in function of required timing. consumption limitation) Default value=2. If the system always needs to run under power consump- Value Start time automatic low noise tion limitation conditions, this setting activates and defines...
  • Page 38 [2-47]= target temperature during heat recovery operation [2-81]= Cooling comfort setting for VRT control Default value=0. Default value=1. Value Value target Cooling comfort setting [2-47] [2-81] Auto (default) 43°F (6°C) Mild (default) 45°F (7°C) Quick 46°F (8°C) Powerful 48°F (9°C) Change [2-81]=0, 1, 2 or 3 in function of required limitation.
  • Page 39 15.2.3. Auxiliary heat control 15.2.4. Heat pump lockout To improve efficiency the aux heat can be lockout based on outdoor • New control logic to provide more application options for cold temperature. climates. • Outside temperature can now be measured directly from the out- Item Description Increments...
  • Page 40 Actions Type Description Heating Thermo-on Heating Thermo-off Field Shorted setting between Aux heater Indoor fan Aux heater Indoor fan Heat-pump heating is always 2-16 = ON locked out (H/L) 2-37 = Mode 1 Mode 1 (H/L) Lockout is controlled by ABC terminals Mode 2 2-37 =...

  • Page 41: Energy Saving And Optimum Operation

    15.3. Energy saving and optimum operation • Hi-sensible/economic (cooling/heating) The refrigerant temperature is set higher/lower (cooling/heating) RELQ-T units are equipped with advanced energy saving functionality. compared to basic operation. The focus under high sensible mode Depending on the priority, emphasizes can be put on energy saving is comfort feeling for the customer.
  • Page 42 In case of cooling operation the evaporating temperature is allowed Example: Automatic mode during cooling to go down to 43°F (6°C) on temporary base depending on the situation. In case of heating operation the condense temperature is allowed 100% to go up to 115°F (46°C) on temporary base depending on the situ- ation.

  • Page 43: Test Operation

    Example: Automatic mode during cooling No matter which control is selected, variations on the behavior of the system are still possible due to protection controls to keep the unit operating under reliable conditions. The intentional target, however, 100% is fixed and will be used to obtain the best balance between energy consumption and comfort, depending on the application type.

  • Page 44: Malfunction Code List

    • The test operation is automatically carried out, the outdoor unit INFORMATION display will indicate and the indication Test operation and Note that during the first running period of the unit, required power in- Under centralized control will display on the user interface of put may be higher.
  • Page 45 Malfunction code Contents Solution Main Sub code code Master/sub 1 01/03 • High pressure switch is activated. • Check stop valves situation or abnormalities in (S1PH)-A1P (X2A) (field) piping or airflow over air cooled coil. • High pressure switch connectors are detached. •...
  • Page 46 Malfunction code Contents Solution Main Sub code code Master/sub 1 Temperature sensor malfunction Check connection on printed circuit board or actuator. 01/02 208/230, 460V: (R11T)-A6P (X15A) 575V: (R11T)-A7P (X15A) Temperature sensor malfunction Check connection on printed circuit board or actuator. 08/09 (R8T)-A1P (X29A) Temperature sensor malfunction...

  • Page 47: Operation Of The Unit

    Malfunction code Contents Solution Main Sub code code Master/sub 1 Faulty wiring to Q1/Q2 or indoor- outdoor. Connect transmission wiring of Branch Selector units and indoor units to “TO IN/D UNIT (F1, F2)” and trans- mission wiring of other outdoor units to “TO OUT/D - /03 UNIT (F1, F2)”.
  • Page 48 RELQ72TBTJ* type RELQ96,120TBYD* type 1 Terminal block for power supply 1 Terminal block for power supply 2 Tester 2 Tester 3 White connector 3 White connector RELQ72-120TBYC* type RELQ96,120TBTJ* type Opening hole There are measurement points 1 Terminal block for power supply at the back of the opening hole.

  • Page 49: Service Mode Operation

    17.3. Service mode operation Procedure for checking maximum concentration Refrigerant recovery operation/vacuuming operation is possible by Check the maximum concentration level in accordance with steps 1 to applying setting [2-21]. Refer to 13.2. Operating the push buttons and 2 below and take whatever action necessary to comply. DIP switches on the printed circuit board on page 25 for details how to 1 Calculate the amount of refrigerant (lbs.
  • Page 50 Daikin Texas Technology Park, 19001 Kermier Road, Waller, TX, 77484, U.S.A. 3P734038-2 EM23A007 [2311] SP...

This manual is also suitable for:

Vrv aurora seriesRelq96tbtj seriesRelq120tbtj seriesRelq144tbtj seriesRelq192tbtj seriesRelq240tbtj series ... Show all

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