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VRV
MODEL
REYQ72XATJU
REYQ72XAYDU
REYQ96XATJU
REYQ96XAYDU
REYQ120XATJU
REYQ120XAYDU
REYQ144XATJU
REYQ144XAYDU
REYQ168XATJU
REYQ168XAYDU
REYQ192XATJU
REYQ192XAYDU
REYQ216XATJU
REYQ216XAYDU
REYQ240XATJU
REYQ240XAYDU
REYQ264XATJU
REYQ264XAYDU
REYQ288XATJU
REYQ288XAYDU
REYQ312XATJU
REYQ312XAYDU
REYQ336XATJU
REYQ336XAYDU
REYQ360XATJU
REYQ360XAYDU
REYQ384XATJU
REYQ384XAYDU
REYQ408XATJU
REYQ408XAYDU
REYQ432XATJU
REYQ432XAYDU
REYQ456XATJU
REYQ456XAYDU
Please visit http://www.daikinac.com/content/resources/manuals for the most current version of installation
instructions. In the event of conflicting information, the online installation instruction is to be used.
Veuillez visiter http://www.daikinac.com/content/resources/manuals pour obtenir la version la plus récente des
instructions d'installation. En cas de conflit d'informations, les instructions d'installation en ligne doivent être
utilisées.
Visite http://www.daikinac.com/content/resources/manuals para obtener la versión más actualizada de las
instrucciones de instalación. En caso de información conflictiva, se debe utilizar la instrucción de instalación en
línea.
3P477778-7G
INSTALLATION MANUAL
System air conditioner
REYQ72XAYCU
REYQ96XAYCU
REYQ120XAYCU
REYQ144XAYCU
REYQ168XAYCU
REYQ192XAYCU
REYQ216XAYCU
REYQ240XAYCU
REYQ264XAYCU
REYQ288XAYCU
REYQ312XAYCU
REYQ336XAYCU
REYQ360XAYCU
REYQ384XAYCU
REYQ408XAYCU
REYQ432XAYCU
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Table of Contents
Related Manuals for Daikin VRV REYQ96XATJU
Summary of Contents for Daikin VRV REYQ96XATJU
- Page 1 INSTALLATION MANUAL System air conditioner English MODEL REYQ72XATJU REYQ72XAYDU REYQ72XAYCU REYQ96XATJU REYQ96XAYDU REYQ96XAYCU REYQ120XATJU REYQ120XAYDU REYQ120XAYCU Français REYQ144XATJU REYQ144XAYDU REYQ144XAYCU REYQ168XATJU REYQ168XAYDU REYQ168XAYCU REYQ192XATJU REYQ192XAYDU REYQ192XAYCU REYQ216XATJU REYQ216XAYDU REYQ216XAYCU Español REYQ240XATJU REYQ240XAYDU REYQ240XAYCU REYQ264XATJU REYQ264XAYDU REYQ264XAYCU REYQ288XATJU REYQ288XAYDU REYQ288XAYCU REYQ312XATJU REYQ312XAYDU REYQ312XAYCU REYQ336XATJU...
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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
REYQ72XATJU REYQ240XATJU REYQ408XATJU REYQ72XAYDU REYQ240XAYDU REYQ408XAYDU REYQ72XAYCU REYQ240XAYCU REYQ408XAYCU REYQ96XATJU REYQ264XATJU REYQ432XATJU REYQ96XAYDU REYQ264XAYDU REYQ432XAYDU REYQ96XAYCU REYQ264XAYCU REYQ432XAYCU REYQ120XATJU REYQ288XATJU REYQ456XATJU REYQ120XAYDU REYQ288XAYDU REYQ456XAYDU REYQ120XAYCU REYQ288XAYCU VRV System air conditioner REYQ144XATJU REYQ312XATJU REYQ144XAYDU REYQ312XAYDU REYQ144XAYCU REYQ312XAYCU Installation Manual REYQ168XATJU REYQ336XATJU REYQ168XAYDU REYQ336XAYDU REYQ168XAYCU... -
Page 5: Introduction
999482P3 is required which is a dedicated cable to communicate with the outdoor unit. The software for the user interface program can be obtained from your local Daikin sales office. INFORMATION Refer to the technical engineering data for the latest option names. -
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 REYQ-X 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... -
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). -
Page 10: Inspecting, Handling And Unpacking
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 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 (8 indoor units are connected)> Outdoor unit : Branch Selector unit (multi) : Indoor units (cooling/heating First outdoor unit Outdoor unit selectable) : Branch Selector unit (single) multi connection : Indoor unit (cooling only) piping kit (*1) (*3) REFNET joint (A-E) (*1) “... - Page 15 Actual piping length from the outdoor unit (*4) to the indoor unit: ≤540 ft. (165 m) Actual piping length (Example) 4 : a+d+g+i≤540 ft. (165 m), 7 : a+b+c+ +m+o≤540 ft. (165 m), 8 : a+b+c+p≤540 ft. (165 m) Equivalent piping length from the outdoor unit (*4) to the indoor unit: ≤623 ft. From outdoor unit (*4) (190 m) (*6) to indoor unit...
- Page 16 (*8) When conditions listed in the table below are all satisfied, the allowable length restrictions after branch is ≤295 ft. (90 m). 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.
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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. If ≤6.5 ft. (2 m) If >6.5 ft. (2 m) To indoor units... -
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
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 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 30 Parameter [D] Indoor unit FXMQ type capacity type Refrigerant 0.06 0.03 0.14 0.29 0.25 0.16 0.33 0.25 0.08 0.00 amount (0.03) (0.014) (0.06) (0.13) (0.11) (0.07) (0.15) (0.11) (0.04) (0.00) (lbs. (kg)/unit) Indoor unit FXFQ type capacity Others type Refrigerant 0.36 0.33 0.30...
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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 •... - 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 by additional refrigerant charging operation again. the installer and that the system is configured as applicable. -
Page 34: 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 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 [2-35]= Height difference setting [2-81]= Cooling comfort setting Default value=1. Default value=1. In case the outdoor unit is installed in the lowest position Value Cooling comfort setting (indoor units are installed on a higher position than outdoor [2-81] units) and the height difference between the highest indoor unit and the outdoor unit exceeds 130 ft.
- Page 38 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 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 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 45 Malfunction code Contents Solution Main Sub code code Master/sub 1 01/02 Temperature sensor malfunction Check connection on printed circuit board or actuator. (R11T)-A7P (X15A) 08/09 Temperature sensor malfunction Check connection on printed circuit board or actuator. (R8T)-A1P (X29A) 11/12 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 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 UNIT (F1, F2)”. - Page 47 REYQ72-120XATJU type REYQ144,168XAYDU type 1 Terminal block for power supply 1 Terminal block for power supply 2 Tester 2 Tester 3 White connector 3 White connector REYQ72-168XAYCU type REYQ144,168XATJU 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. - Page 49 3P477778-7G EM18A015 [1901] HT...