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INSTALLATION MANUAL
VRV IV-S System air conditioner
RXYSQ6TAV1B

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Summary of Contents for Daikin RXYSQ-TAV

  • Page 1 INSTALLATION MANUAL VRV IV-S System air conditioner RXYSQ6TAV1B...
  • Page 2 (mm) ≥100 ≥100 ≥100 ≥100 ≥100 ≤500 ≥1000 ≥150 ≥150 ≥150 ≤500 ≥1000 B 2 B 2 ≥500 ≤500 ≥500 ≥1000 D 2 D 2 D 2 D 2 ≥100 ≥500 L2>H ≥100 ≥500 L2<H L 1 L 1 0<L1≤ 1 / 2 H ≥750 ≥250 ≤500...
  • Page 3 380- 415 V 230 V 380- 415 V 16 V 230 V 16 V 230 V 230 V 16 V 16 V 16 V 1~ 50 Hz V1: 1~ 50 Hz Y1:3N~ 50 Hz...
  • Page 4 3PW40544-9K...
  • Page 5: Table Of Contents

    2.4. Optional accessories ..............3 OTHER DAMAGE TO THE EQUIPMENT. BE SURE ONLY 2.5. Technical and electrical specifications ......... 3 TO USE ACCESSORIES MADE BY DAIKIN WHICH ARE 3. Before installation...............4 SPECIFICALLY DESIGNED FOR USE WITH THE 3.1. Precautions for R410A..............4 EQUIPMENT AND HAVE THEM INSTALLED BY A 3.2.
  • Page 6 Carry out the specified installation work in consideration of Do not rinse the outdoor unit. strong winds, typhoons, or earthquakes. This may cause electric shocks or fire. Improper installation work may result in accidents due to fall of Do not install the air conditioner in places such as the following: equipment.
  • Page 7: Introduction

    2.3. Standard supplied accessories NTRODUCTION This installation manual describes the procedures for installing and Gas line piping (1) + copper connecting the RXYSQ units with the use of a BP unit for Sky Air or gasket room air conditioner indoor units and without the use of a BP unit for Gas line piping (2) VRV indoor units.
  • Page 8: Before Installation

    EFORE INSTALLATION ELECTING INSTALLATION SITE Only for Y1: This is a class A product. In a domestic environment this Since design pressure is 4.0 MPa or 40 bar, pipes of larger product may cause radio interference in which case the user may be wall thickness may be required.
  • Page 9: Precautions On Installation

    Prepare a water drainage channel around the foundation, to RECAUTIONS ON INSTALLATION drain waste water from around the unit. Check the strength and level of the installation ground so that If the water drainage of the unit is not easy, please build up the the unit will not cause any operating vibration or noise after unit on a foundation of concrete blocks, etc.
  • Page 10: Installation Servicing Space

    (C) In case of multiple-row installation (for roof top use, etc.) NOTE If drain holes of the outdoor unit are covered by a In case of installing one unit per row. mounting base or by floor surface, raise the unit in order to provide a free space of more than 100 mm under the outdoor unit.
  • Page 11: Refrigerant Pipe Size And Allowable Pipe Length

    EFRIGERANT PIPE SIZE AND ALLOWABLE RECAUTIONS ON REFRIGERANT PIPING PIPE LENGTH Do not allow anything other than the designated refrigerant to get mixed into the freezing cycle, such as air, etc. If any refrigerant gas leaks while working on the unit, ventilate the All field piping must be installed by a licensed refrigeration room thoroughly right away.
  • Page 12: Cautions For Flare Connection

    8.2. Cautions for flare connection EFRIGERANT PIPING See the following table for flare part machining dimensions. Field pipes can be installed in four directions. When connecting the flare nuts, apply refrigerant ether or ester Figure - Field pipes in four directions (See figure 5) oil to the inside and outside of the flares and turn them three or four times at first.
  • Page 13: Cautions For Handling Stop Valve

    9.2. Cautions for handling stop valve 9.4. Cautions for handling the valve cover For Sky Air or room air conditioner indoor units only: The valve cover is sealed where The stop valves for BP unit-outdoor connecting piping are closed indicated by the arrow. at shipment from the factory.
  • Page 14 Compressor Terminal cover For Sky Air or room air conditioner indoor units only: BP unit and outdoor field piping For VRV indoor units only: Indoor and outdoor field piping Corking, etc. Insulation material (field supply) Bolts Be careful with pipe, bolt and outer panel connections RXYSQ6TAV1B Installation manual VRV IV-S System air conditioner...
  • Page 15: Example Of Connection For Sky Air Or Room Air Conditioner Indoor Units

    9.7. Example of connection for Sky Air or room air conditioner indoor units RXYSQ6TAV1B Installation manual VRV IV-S System air conditioner 4P482260-1 – 2017.03...
  • Page 16 RXYSQ6TAV1B Installation manual VRV IV-S System air conditioner 4P482260-1 – 2017.03...
  • Page 17: Example Of Connection For Vrv Indoor Units

    9.8. Example of connection for VRV indoor units RXYSQ6TAV1B Installation manual VRV IV-S System air conditioner 4P482260-1 – 2017.03...
  • Page 18: Leak Test And Vacuum Drying

    9.9. Leak test and vacuum drying figure 6 for Sky Air or room air conditioner applications or figure 7 for VRV applications. The units were checked for leaks by the manufacturer. Pressure reducing valve figure 6 figure 7 and refer to "9.10.
  • Page 19: Important Information Regarding The Refrigerant Used

    9.11. Important information regarding the 9.12. Field settings for BP unit refrigerant used Change the setting from VRV applications (default setting) to Sky Air or room air conditioner and BP unit applications. This product contains fluorinated greenhouse gases. Do not vent gases into the atmosphere.
  • Page 20: Procedures For Adding Refrigerant

    9.13. 2 procedures for adding refrigerant 10. E LECTRICAL WIRING WORK Procedure 1: Charging while the outdoor unit is at a standstill All wiring must be performed by an authorized electrician. figure 6 for Sky Air or room air conditioner applications or figure 7 for VRV applications.
  • Page 21: Precautions On Electrical Wiring Work

    HAP (A2P) ..# ..Light emitting diode (service monitor green) Cool/heat selector K1M ....* ..Magnetic contactor (M1C) S1S ......Selector switch (fan/cool – heat) K1M (A1P) ..# ..Magnetic contactor S2S ......Selector switch (cool – heat) K1R......Magnetic relay (Y1S) K2R......
  • Page 22: Connection Example Of Total System Wiring

    This unit uses an inverter, and therefore generates noise, which will have to be reduced to avoid interfering with other devices. The outer casing of the product may take on an electrical charge due to leaked electrical current, which will have to be discharged with the grounding.
  • Page 23 Only for V1: Equipment complying with EN/IEC 61000-3-12 Setting the cool/heat operation Precautions when laying power wiring For VRV indoor units only: Use round pressure terminals for connections to the power Performing cool/heat setting with the remote controller terminal block. connected to the indoor unit.
  • Page 24: Before Operation

    11. B 11.2. Checks before initial start-up EFORE OPERATION NOTE Note that during the first running period of the unit, 11.1. Service precautions required power input may be higher than stated on the nameplate of the unit. This phenomenon originates from the compressor that needs elapse of a 50 hours WARNING: ELECTRIC SHOCK run in period before reaching smooth operation and...
  • Page 25: Field Setting

    11.3. Field setting Setting mode 1 If required, carry out any field setting according to the following The H1P led is off (COOL/HEAT selection setting). instructions. Refer to the service manual for more details. Setting procedure Handling the switches Push the button and adjust the led indication to either BS2 SET one of the possible settings as shown below in the field marked...
  • Page 26: Test Operation

    3.2 Possible settings for function C Indication of power consumption limitation setting DEMAND The noise of level 3< level 2< level 1 ( standard operation (= factory setting) H1P H2P H3P H4P H5P H6P H7P w x x x x x x operation DEMAND w x x x x x c...
  • Page 27: Checks In Normal Operation

    11.5. Checks in normal operation Measure to be taken when operation finishes abnormally (only for VRV indoor units) Confirm the error code on the remote controller. Correct what is abnormal. Set the master unit (= indoor unit having the right to select the (See the installation manual and operation manual or cooling/heating operation mode).
  • Page 28: Service Mode Operation

    12. S 13. C ERVICE MODE OPERATION AUTION FOR REFRIGERANT LEAKS After turning on the power supply, the unit can not be started until the (Points to note in connection with refrigerant leaks.) H2P initialisation led, indicating that the unit is still under preparation, goes off (maximum 12 minutes).
  • Page 29: Procedure For Checking Maximum Concentration

    13.3. Procedure for checking maximum For VRV indoor units only: concentration Where there are no smaller room divisions Check the maximum concentration level in accordance with steps 1 to 4 below and take whatever action is necessary to comply. Calculate the amount of refrigerant (kg) charged to each system separately.
  • Page 31 V1: A4P V1: A2P Y1: X2M Y1: A1P C/H SELECTOR A B C C/H SELECTOR TO IN/D UNIT TO OUT/D UNIT DS1 1 A B C TO IN/D UNIT TO OUT/D UNIT V1: A2P Y1: A1P TO IN/D TO OUT/D UNIT UNIT DS1 1...
  • Page 32 4P482260-1 2017.03...

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Rxysq6tav1bVrv iv-s series

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