Table of Contents
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MODEL
REYQ72TTJU
REYQ96TTJU
REYQ120TTJU
REYQ144TTJU
REYQ168TTJU
REYQ192TTJU
REYQ216TTJU
REYQ240TTJU
REYQ264TTJU
REYQ288TTJU
REYQ312TTJU
REYQ336TTJU
REYQ360TTJU
REYQ384TTJU
REYQ408TTJU
REYQ432TTJU
REYQ456TTJU
3P362438-3H
INSTALLATION MANUAL
System Air Conditioner
REYQ72TYDN
REYQ96TYDN
REYQ120TYDN
REYQ144TYDN
REYQ168TYDN
REYQ192TYDN
REYQ216TYDN
REYQ240TYDN
REYQ264TYDN
REYQ288TYDN
REYQ312TYDN
REYQ336TYDN
REYQ360TYDN
REYQ384TYDN
REYQ408TYDN
REYQ432TYDN
REYQ456TYDN
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Table of Contents
Related Manuals for Daikin REYQ72TTJU
Summary of Contents for Daikin REYQ72TTJU
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Page 1: Installation Manual
INSTALLATION MANUAL System Air Conditioner English MODEL REYQ72TTJU REYQ72TYDN REYQ96TTJU REYQ96TYDN REYQ120TTJU REYQ120TYDN Français REYQ144TTJU REYQ144TYDN REYQ168TTJU REYQ168TYDN REYQ192TTJU REYQ192TYDN REYQ216TTJU REYQ216TYDN Español REYQ240TTJU REYQ240TYDN REYQ264TTJU REYQ264TYDN REYQ288TTJU REYQ288TYDN REYQ312TTJU REYQ312TYDN REYQ336TTJU REYQ336TYDN REYQ360TTJU REYQ360TYDN REYQ384TTJU REYQ384TYDN REYQ408TTJU REYQ408TYDN REYQ432TTJU... -
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
CAUTION (c) Near machinery emitting electromagnetic waves. Electromagnetic waves may disturb the operation of • Do not touch the switch with wet fingers. Touching a switch the control system and cause the unit to malfunction. with wet fingers may result in electric shock. (d) Where flammable gas may leak, where there is car- •... -
Page 4: Table Of Contents
REYQ72TTJU REYQ288TTJU REYQ72TYDN REYQ288TYDN REYQ96TTJU REYQ312TTJU REYQ96TYDN REYQ312TYDN REYQ120TTJU REYQ336TTJU REYQ120TYDN REYQ336TYDN REYQ144TTJU REYQ360TTJU REYQ144TYDN REYQ360TYDN VRVIV System air conditioner REYQ168TTJU REYQ384TTJU REYQ168TYDN REYQ384TYDN Installation Manual REYQ192TTJU REYQ408TTJU REYQ192TYDN REYQ408TYDN REYQ216TTJU REYQ432TTJU REYQ216TYDN REYQ432TYDN REYQ240TTJU REYQ456TTJU REYQ240TYDN REYQ456TYDN REYQ264TTJU REYQ264TYDN CONTENTS Safety considerations . -
Page 5: Introduction
For this option EKPCCAB* is required which is a dedicated cable to communicate with the outdoor unit. The software for the In general VRV indoor units can be connected to a VRV IV heat recov- user interface program can be obtained from your local Daikin ery system. sales office. -
Page 6: Indoor Capacity Range
• Operation Manual <Outdoor unit> <Total capacity index of indoor unit> • Installation Manual REYQ72TTJU/TYDN ..... 36-93 Shape • REQUEST FOR THE REYQ96TTJU/TYDN . -
Page 7: Technical And Electrical Specifications
3 .2 . Technical and Electrical specifications It is therefore recommended to install the equipment and electric wires keeping proper distances away from stereo equipment, personal Refer to the Engineering Data Book for the complete list of specifica- computers, etc tions. 3 .3 . Main components For main components and function of the main components, refer to the Engineering Data Book. -
Page 8: Selecting A Location In Cold Climates
5 . Dimensions and service space 5 . 1 . Dimensions of outdoor unit NOTE REYQ72TTJU/TYDN • When operating the unit in a low outdoor ambient temperature, be sure to follow the instructions described below. • The following images are for reference only. For more details con- tact your local dealer. -
Page 9: Service Space
5 .2 . Service space <Front side> <Suction side> The space around the unit is adequate for servicing and the minimum space for air inlet and air outlet is available (refer to the figure below Service and choose one of the possibilities). space or more or more... -
Page 10: Inspecting, Handling And Unpacking
6 . Inspecting, handling and unpacking the unit 6 .3 . Unpacking 6 . 1 . Inspection CAUTION At delivery, the unit must be checked and any damage must be re- To avoid injury, do not touch the air inlet or aluminum fins of the unit. ported immediately to the carrier’s claims agent. -
Page 11: Method For Removing Shipping Plate
• The height of the foundation must at least be 5-7/8 in. (150 mm ) 6 .5 . Method for removing shipping plate from the floor. The shipping plate installed over the compressor leg for protecting the In heavy snowfall areas, this height should be increased, depending unit during transport must be removed. -
Page 12: Refrigerant Pipe Size And Allowable Pipe
7 . Refrigerant pipe size and allowable pipe length 7 .3 . Selection of piping size Determine the proper size referring to following tables and reference 7 . 1 . General information figure (only for indication). NOTE The refrigerant R410A requires strict cautions for keeping the system clean, dry and tight. -
Page 13: Selection Of Refrigerant Branch Kits
7 .3 .2 . Piping between refrigerant branch kits or refrigerant • For REFNET joints other than the first branch (example REFNET branch kit and BS unit: D joint b - see 7.3. Selection of piping size), select the proper branch kit model based on the total capacity index of all indoor units con- Choose from the following table in accordance with the indoor unit nected after the refrigerant branch. -
Page 14: System Piping (Length) Limitations
7 .5 . System piping (length) limitations <Example of refrigerant piping (8 indoor units are connected)> Outdoor unit : Indoor unit (cooling/heating : BS unit (Multi BS) First outdoor unit Outdoor unit selectable) : BS unit (Single BS) multi connection : Indoor unit (cooling only) piping kit (*1) (Note 4) REFNET joint (A-E) (*1) “... - Page 15 Actual piping length from the outdoor unit (*2) 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 (*2) to the indoor unit≤623 ft. From outdoor unit (*2) (190 m) (Note 2) to indoor unit...
- Page 16 Note 3: When conditions listed in the table below are satisfied, the allowable length restrictions after branch may be≤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 valve, be sure to protect fully closed. the stop valve 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 unit... -
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
• Connect the wire securely using designated wire and fix it with 9 .2 . Wiring connection example for whole system attached clamp without applying external pressure on the terminal parts (terminal for power wiring, terminal for transmission wiring and ground terminal). •... -
Page 23: Transmission Wiring Connection Procedure
REYQ72T REYQ96-168T BS unit Indoor unit Indoor unit (Cooling only) (*) : The Outdoor unit that connect the transmission wiring to BS unit is Master unit of the multi system. And the other units are Sub unit. (In this figure, Outdoor unit A is the Master unit.) Check operation in installation work, Onsite settings and so on are done by operating the PC-board (A1P) of Master... -
Page 24: Power Wiring Connection Procedure
• Outside the units, the transmission wiring must be finished simulta- Power supply neously with the local refrigerant piping, and wound with tape (field (MODEL TYDN: 3 – 460 V 60 Hz) supply) as shown in the figure below. (MODEL TTJU: 3 – 208/230 V 60 Hz) Suction gas pipe Branch switch, Overcurrent breaker High/Low pressure gas pipe... -
Page 25: Procedure For Wiring Inside Units
9 .6 . Procedure for Wiring Inside Units Precautions when knocking out knockout holes • To punch out a knockout hole, hit it with a hammer. • Referring to the figure below, secure and wire the power and trans- • Open an appropriate hole as needed. mission wiring using the included clamp (1), (2) and (3). -
Page 26: Pipe Insulation
If there is a pressure drop, check for leaks, make repairs and perform the air tight test again. <Vacuum drying> Evacuate the system from the suction gas pipe, high/low pressure gas pipe and liquid pipe stop valve service ports by using a vacuum pump for more than 2 hours and bring the system to 500 microns or less. -
Page 27: Checking Of Device And Installation
12 . Checking of device and installation conditions 1 Front panel 2 Main printed circuit board with 3 seven-segment display Be sure to check the followings. and 3 push buttons For those doing electrical work 1 Make sure there is no faulty transmission wiring or loosening of a Operate the switches and push buttons with an insulated stick (such 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 C and A • Open valve B to the liquid line •... - Page 32 << Continuation of previous page Heating charging Cooling charging (“ 22” startup control) (“ 02” startup control) (“ 23” waiting for stable heating) (“ 03” waiting for stable cooling) “ 23” is flashing “ 03” is flashing • Push BS2 within 5 minutes •...
- Page 33 If the additional refrigerant amount is smaller than 22 lbs. (10 kg), NOTE perform the pre-charging procedure as explained in step 3 and 4a • If the power of some units is turned off, the charging procedure can- below. not be finished properly. If the additional refrigerant charge is larger than 22 lbs.
- Page 34 - If the unit indicates , or , the ambient conditions are NOTE NOT favorable to execute the test run. Push BS1 to finish the • The refrigerant charging port is connected to the piping inside the automatic charging procedure. unit.
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Page 35: Start-Up And Configuration
Perform the test procedure as described in 15.4.2. Test operation on 14 .3 .4 . Checks after adding refrigerant page 39. • Are all stop valves open? • Is the amount of refrigerant, that has been added, recorded on the INFORMATION refrigerant charge label? •... -
Page 36: Monitoring Function And Field Settings
11 Refrigerant leak Low noise operation can be set in mode 2. There are two Check the inside of the unit on refrigerant leakage. If there is a methods to activate low noise operation of the outdoor unit refrigerant leak, try to repair the leak. If the repair is unsuccess- system. - Page 37 [1-41]= shows the current heating comfort setting. See 15.3. Energy For more information and advice about the impact of these saving and optimum operation on page 36 for more de- settings, see 15.3. Energy saving and optimum operation on tails about this setting. page 36.
- Page 38 This setting will only be effective when the optional external [2-32]= Forced, all time, power consumption limitation operation control adaptor (DTA104A61/62) is installed and the setting (no external control adaptor is required to perform power [2-12] was activated. consumption limitation) Default value=2.
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Page 39: Energy Saving And Optimum Operation
[2-35]= Height difference setting [2-82]= Heating comfort setting Default value=1. Default value=1. In case the outdoor unit is installed in the lowest position Value Heating comfort setting (indoor units are installed on a higher position than outdoor [2-82] units) and the height difference between the highest indoor unit and the outdoor unit exceeds 130 ft. - Page 40 • Hi-sensible/economic (cooling/heating) In case of cooling operation the evaporating temperature is allowed The refrigerant temperature is set higher/lower (cooling/heating) to go down to 43°F (6°C) on temporary base depending on the compared to basic operation. The focus under high sensible mode situation.
- Page 41 Example: Automatic mode during cooling Example: Automatic mode during cooling 100% 100% 120°F (49°C) 115°F (46°C) 43°F (6°C) 37°F (3°C) 95°F (35°C) 36°F (2°C) A Actual load curve A Virtual load curve (default automatic mode peak capacity) B Virtual load curve (initial capacity automatic mode) B Load curve C Virtual target value (initial evaporation temperature C Virtual target value (initial condensation tempera-...
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Page 42: Test Operation
No matter which control is selected, variations on the behavior of the INFORMATION system are still possible due to protection controls to keep the unit Note that during the first running period of the unit, required power in- operating under reliable conditions. The intentional target, however, put may be higher. -
Page 43: Malfunction Code List
• The test operation is automatically carried out, the outdoor unit 15 .4 .3 . Correcting after abnormal completion of the test and the indication Test operation and operation display will indicate Under centralized control will display on the user interface of The test operation is only completed if there is no malfunction code indoor units. - Page 44 Malfunction code Contents Solution Main Sub code code Master/sub 1/sub 2 01/02/03 • Reverse connection of HP/LP gas pipe and suction • Check connection of HP/LP gas pipe and suction gas pipe of the BS unit gas pipe. 01/03/05 Discharge temperature too high (R2T/R21T/R22T): •...
- Page 45 Malfunction code Contents Solution Main Sub code code Master/sub 1/sub 2 06/08/10 Low pressure sensor malfunction (S1NPL): open Check connection on printed circuit board or actuator. circuit – A1P (X31A) 07/09/11 Low pressure sensor malfunction (S1NPL): short Check connection on printed circuit board or actuator. circuit –...
- Page 46 3P362438-3H EM14A006B [1502] HT...