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VRV
MODEL
REYQ72XBTJ*
REYQ72XBYD*
REYQ96XBTJ*
REYQ96XBYD*
REYQ120XBTJ*
REYQ120XBYD*
REYQ144XBTJ*
REYQ144XBYD*
REYQ168XBTJ*
REYQ168XBYD*
REYQ192XBTJ*
REYQ192XBYD*
REYQ216XBTJ*
REYQ216XBYD*
REYQ240XBTJ*
REYQ240XBYD*
REYQ264XBTJ*
REYQ264XBYD*
REYQ288XBTJ*
REYQ288XBYD*
REYQ312XBTJ*
REYQ312XBYD*
REYQ336XBTJ*
REYQ336XBYD*
REYQ360XBTJ*
REYQ360XBYD*
REYQ384XBTJ*
REYQ384XBYD*
REYQ408XBTJ*
REYQ408XBYD*
REYQ432XBTJ*
REYQ432XBYD*
REYQ456XBTJ*
REYQ456XBYD*
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
System air conditioner
REYQ72XBYC*
REYQ96XBYC*
REYQ120XBYC*
REYQ144XBYC*
REYQ168XBYC*
REYQ192XBYC*
REYQ216XBYC*
REYQ240XBYC*
REYQ264XBYC*
REYQ288XBYC*
REYQ312XBYC*
REYQ336XBYC*
REYQ360XBYC*
REYQ384XBYC*
REYQ408XBYC*
REYQ432XBYC*
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Français
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Table of Contents
Related Manuals for Daikin REYQ72XBTJ Series
Summary of Contents for Daikin REYQ72XBTJ Series
- Page 1 INSTALLATION MANUAL System air conditioner English MODEL REYQ72XBTJ* REYQ72XBYD* REYQ72XBYC* REYQ96XBTJ* REYQ96XBYD* REYQ96XBYC* REYQ120XBTJ* REYQ120XBYD* REYQ120XBYC* Français REYQ144XBTJ* REYQ144XBYD* REYQ144XBYC* REYQ168XBTJ* REYQ168XBYD* REYQ168XBYC* REYQ192XBTJ* REYQ192XBYD* REYQ192XBYC* REYQ216XBTJ* REYQ216XBYD* REYQ216XBYC* Español REYQ240XBTJ* REYQ240XBYD* REYQ240XBYC* REYQ264XBTJ* REYQ264XBYD* REYQ264XBYC* REYQ288XBTJ* REYQ288XBYD* REYQ288XBYC* REYQ312XBTJ* REYQ312XBYD* REYQ312XBYC* REYQ336XBTJ*...
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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 System air conditioner CONTENTS Safety considerations ........i 9.3. Leading wire procedure ......19 9.4. Transmission wiring connection Codes and Regulations ........ii procedure ..........20 Introduction ...........2 9.5. Power wiring connection procedure ..21 1.1. General information ......... 2 9.6. -
Page 5: Introduction
999482P3 is required which is a dedicated cable to communicate indoor units is prohibited. with the outdoor unit. The software for the user interface program can be obtained from your local Daikin sales office. 1.2.2. Outdoor units combinations INFORMATION Combination for REYQ-X units are as indicated in tables right, where Refer to the technical engineering data for the latest option names. -
Page 6: Indoor Capacity Range
1.3. Indoor capacity range NOTE NOTE Higher capacity than the above table can be selected, this may affect heating and cooling capacity. For additional information see technical When the VRV outdoor unit is installed with Low-temperature hydro- engineering data. box or EEV Kit For DOAS in the system, refer to those installation manuals and Engineering Data Book. -
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- 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 and choose one of the possibilities). 15 17 Unit: in. -
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 7.2. Selection of piping material The sliding plate should be moved to the open position in the following NOTE regions to minimize temperature rise in the main control box: CA, Piping and other pressure containing parts shall comply with the appli- NV, AZ, NM, OK, TX, AR, LA, MS, AL, TN, GA, NC, SC, FL and Latin cable legislation and shall be suitable for refrigerant. -
Page 13: Selection Of Refrigerant Branch Kits
7.3.1. Piping between outdoor units and (first) refrigerant 7.4. Selection of refrigerant branch kits branch kit: A, B, C For piping example, refer to 7.3. Selection of piping size on page 9. Choose from the following table in accordance with the outdoor unit total capacity type, connected downstream. -
Page 14: System Piping (Length) Limitations
7.5. System piping (length) limitations <Example of refrigerant piping (12 indoor units are connected)> : Branch Selector unit (multi) : Indoor units (cooling/heating Outdoor unit selectable) First outdoor unit B2 , : Branch Selector unit (single) Outdoor unit multi connection B4 , : Branch Selector unit (multi) : Indoor unit (cooling only) - Page 15 Actual piping length from the outdoor unit (*4) to the indoor unit: ≤540 ft. (165 m) Actual piping length (Example) 4 : a+e+h+j≤540 ft. (165 m), 7 : a+b+c+d+m+n+p≤540 ft. (165 m), 11 : a+b+r+u+w≤540 ft. (165 m), 12 : a+b+c+d+q≤540 ft. (165 m) Equivalent piping length from the outdoor unit (*4) to the indoor unit: ≤623 ft.
- Page 16 Outdoor unit capacity type Liquid pipe First refrigerant Outdoor units branch kit φ3/8 in. (9.5 mm) → REYQ72, 96X type φ1/2 in. (12.7 mm) Branch Selector Indoor φ1/2 in. (12.7 mm) → units units REYQ120, 144X type φ5/8 in. (15.9 mm) φ5/8 in.
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Page 17: 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 18 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 19 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 14 always referring to the installation manual delivered with the kit.
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Page 20: 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 21: 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 22: 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 23: Transmission Wiring Connection Procedure
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 24: 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 25: Air Tight Test And Vacuum Drying
10. Air tight test and vacuum drying • 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 26: 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 27: Checking Of Device And Installation Conditions
12. Checking of device and installation conditions 1 Service window cover 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 28 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.
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Page 29: Connecting The Pc Configurator To The Outdoor Unit
13.2.2. Operating the DIP switches ing of refrigerant. See 14.2. Calculating the additional refrigerant charge. By operating the DIP switches it is possible to: • In case recharge is required, refer to the nameplate of the unit. What to do with DIP switch DS1 It states the type of refrigerant and necessary amount. - Page 30 Parameter [C] INFORMATION Refrigerant amount by field piping length Piping length is considered by the distance from the outdoor unit to the and indoor units capacity farthest indoor unit. Total Refrigerant amount Field indoor unit Total outdoor unit capacity type piping capacity REYQ72-...
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Page 31: 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 B and C • Open valve A to the liquid line • Execute pre-charging amount: Q (lbs. (kg)) R<Q R>Q Step 4a... - Page 32 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.
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Page 33: 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 additional refrigerant charging operation again. by the installer and that the system is configured as applicable. -
Page 34: Monitoring Function And Field Settings
11 Refrigerant leak methods to activate low noise operation of the outdoor unit Check inside of the unit on refrigerant leakage. If there is a refriger- system. ant leak, try to repair the leak. If the repair is unsuccessful, call your The first method is to enable an automatic low noise opera- local dealer. - Page 35 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 36 [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 37 30 minutes OFF, 1 minute ON Conditions/rules apply for this setting. Refer to selection with high fan speed software or contact your Daikin sales representative for Outdoor fan speed would be increased for assisting to further details. discharge snow on outdoor fan when outdoor fan is stop or low speed.
- Page 38 [2-92]= Te target temperature upper limit [2-98]= Aux heater max allowable temp release differential AUX Heater is not allowed to energize when the outdoor Default value=1. ambient temp is recovered by differential (below) above the Value AUX Heater Max Allowable Temp. Te target temperature upper limit [2-92] AUX Heater Max Allowable...
- Page 39 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 =...
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Page 40: 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) REYQ-X units are equipped with advanced energy saving function- compared to basic operation. The focus under high sensible mode ality. Depending on the priority, emphasizes can be put on energy is comfort feeling for the customer. - Page 41 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.
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Page 42: 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 43: 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 44 Malfunction code Contents Solution Main Sub code code Master/sub 1/sub 2 01/03/05 • 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 45 Malfunction code Contents Solution Main Sub code code Master/sub 1/sub 2 01/02/03 Temperature sensor malfunction Check connection on printed circuit board or actuator. (R3T)-A1P (X30A) 06/07/08 Temperature sensor malfunction Check connection on printed circuit board or actuator. (R7T)-A1P (X30A) 18/19/20 Temperature sensor malfunction Check connection on printed circuit board or actuator.
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Page 46: Operation Of The Unit
Malfunction code Contents Solution Main Sub code code Master/sub 1/sub 2 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 - /03/04 UNIT (F1, F2)”. - Page 47 REYQ72-120XBTJ* type REYQ144,168XBYD* type 1 Terminal block for power supply 1 Terminal block for power supply 2 Tester 2 Tester 3 White connector 3 White connector REYQ72-168XBYC* type REYQ144,168XBTJ* type Opening hole There are measurement points 1 Terminal block for power supply at the back of the opening hole.
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Page 48: 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 24 for details how 1 Calculate the amount of refrigerant (lbs. - Page 49 Daikin Texas Technology Park, 19001 Kermier Road, Waller, TX, 77484, U.S.A. 3P734038-1 EM23A005 [2311] SP...