Daikin VRV III REYQ10PY1 Installation Manual

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INSTALLATION MANUAL
System air conditioner
REYQ8PY1
REYQ10PY1
REYQ12PY1
REYQ14PY1
REYQ16PY1

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Summary of Contents for Daikin VRV III REYQ10PY1

  • Page 1 INSTALLATION MANUAL System air conditioner REYQ8PY1 REYQ10PY1 REYQ12PY1 REYQ14PY1 REYQ16PY1...
  • Page 2 3P177868-1C...
  • Page 3 < > < > If installed as a single unit When installed in serial (Pattern 1) (Pattern 1) ≥300 ≥300 ≥10 ≥20 ≥10 ≥10 ≥500 ≥500 ≥10 ≥20 ≥100 ≥100 (Pattern 2) (Pattern 2) ≥50 ≥100 ≥50 ≥50 ≥500 ≥500 ≥100 ≥50 (Pattern 3)
  • Page 4 figure 14 figure 15 figure 17 figure 18 F1 F2 F1 F2 F1 F2 F1 F2 TO OUT/D UNIT TO IN/D UNIT TO OUT/D UNIT TO IN/D UNIT TO I N / D UNI T TO OUT/ D UNI T F1 F2 F1 F2 F1 F2...
  • Page 5 Part A Part B Part C figure 24 : 16 : 18 : 17 : 19 figure 25 figure 26 figure 27 : 13 : 15 : 16 : 14 figure 28 figure 29 figure 30 : 13 : 15 : 16 : 14 figure 31...
  • Page 6: Table Of Contents

    • If the refrigerant gas leaks during installation, ventilate the area immediately. • This document is an installation manual for the Daikin REYQ-P Toxic gas may be produced if the refrigerant gas comes into con- Series VRV Inverter. Before installing the unit, read this manual tact with fire.
  • Page 7: Special Notice Of Product

    • The indoor units that combined with REYQ-P system for air con- Take care to keep the system tight when installing. ditioning are Daikin VRV series indoor units that compatible with R410A does not contain any chlorine, does not destroy the R410A.
  • Page 8: Standard Supplied Accessories

    • As regards space in front of the unit, consider the space needed for the local refrigerant piping when installing the units. Shape • If the work conditions in figure 2 do not apply, contact your dealer or Daikin directly. φ15.9 φ19.1 φ22.2 φ15.9...
  • Page 9: Inspecting And Handling The Unit

    • For anti-corrosion type, use nuts with resin washers. If the paint on The refrigerant R410A itself is nontoxic, nonflammable and is nut connections comes off, the anti-corrosion effect may decrease. safe. If the refrigerant should leak however, its concentration may exceed the allowable limit depending on room size.
  • Page 10: Pipe Connection

    6-3 Pipe connection 6. Suction gas pipe shutoff valve 7. HP/LP gas pipe shutoff valve • Be sure to perform nitrogen permutation or nitrogen blow when 8. Brazing brazing. (Refer to figure 8) 9. Liquid side accessory pipe (1) Brazing without performing nitrogen permutation or nitrogen 10.
  • Page 11: Example Of Connection

    6-5 Example of connection English...
  • Page 12 English...
  • Page 13 English...
  • Page 14: Field Wiring

    FIELD WIRING • Use insulated wire for the power cord. • Select the power supply cable type and size in accordance with relevant local and national regulations. Caution • Specifications for local wiring are in compliance with IEC60245. • All field wiring and components must be installed by a licensed •...
  • Page 15: Transmission Wiring Connection Procedure

    7-4 Transmission Wiring Connection Procedure (Refer to figure 23) 1. Power supply (3N~ 380-415V 50Hz) • Referring to figure 19 connect the transmission wiring between 2. Earth leakage circuit breaker outdoor unit and indoor unit, outdoor unit and outdoor unit of other 3.
  • Page 16: Air Tight Test And Vacuum Drying

    7. When routing out the transmission wiring from the • The refrigerant charge port is connected to unit pipe. knockout hole. When shipped, the unit contains the refrigerant, so use caution 8. When routing out the power/ground wires from the right side. when attaching the charge hose.
  • Page 17: Checking Of Device And Installation Conditions

    10. CHECKING OF DEVICE AND INSTAL- Tightening torque The sizes of the shutoff valves on each model and the tightening LATION CONDITIONS torque for each size are listed in the table below. Be sure to check the followings. <Size of Shutoff Valve> 8HP type 10HP type 12HP type 14HP type 16HP type For those doing electrical work φ9.5...
  • Page 18: Procedure Of Adding Refrigerant Charging And Check Operation

    [How to Check How Many Units are Connected] It is possible to find out how many indoor or outdoor unit in the system are turned on by operating the push button on the PC-board (A1P) of out- door unit (In case of multi system master unit). Follow the procedure below to check how many indoor or outdoor units are turned on.
  • Page 19 Table : Display of normal system Open the valve B (See the figure 30. The valve A,C and the liquid SERV. C/H SELECTOR pipe, suction gas pipe, HP/LP gas pipe shutoff valves must be left TEST/ MONI- MODE L.N.O.P DEMAND MULTI closed), and charge the refrigerant of the “additional charging MASTER SLAVE amount”...
  • Page 20: Onsite Settings

    [Remote controller displays malfunction code] Note • Heating is not possible if the outdoor temperature is 24°C or Malfunc- Installation error Remedial action higher. Refer to the Operation manual. tion code • If a knocking sound can be heard in the liquid compression of the E3, E4 The shutoff valve of the out- compressor, stop the unit immediately and then energize the...
  • Page 21 Dealing with the situations where the result exceeds the maxi- mum concentration level. Where the installation of a facility results in a concentration in excess of the maximum concentration level then it will be neces- sary to revise the system. Please consult your Daikin supplier. English...
  • Page 22 3P201178-3B EM07A014 (0705) HT...

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