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Installation Guidelines

• Where a wall or other obstacle is in the path of outdoor unit’s intake or exhaust airflow, follow the installation guidelines below.
• For any of the below installation patterns, the wall height on the exhaust side should be 1200mm or less.

Precautions on Installation

• Check the strength and level of the installation ground so that the unit will not cause any operating vibration or noise after installed.
• In accordance with the foundation drawing, fix the unit securely by means of the foundation bolts. (Prepare four sets of M8 or M10 

foundation bolts, nuts and washers each which are available on the market.)

• It is best to screw in the foundation bolts until their length are 20mm from the foundation surface. 

Outdoor Unit Installation

1.

Installing outdoor unit.

1) When installing the outdoor unit, refer to “Precautions for Selecting the Location” and the “Outdoor Unit Installation 

Drawings.”

2) If drain work is necessary, follow the procedures below.

2.

Drain work. (Heat pump-models.)

1) Use drain plug for drainage.
2) If the drain port is covered by a mounting base or floor surface, place 

additional foot bases of at least 30mm in height under the outdoor unit’s feet.

3) In cold areas, do not use a drain hose with the outdoor unit.

(Otherwise, drain water may freeze, impairing heating performance.)

More than 50

More than 100

Side view

1200
or less

More than 50

More than 50

Top view

More 
than 100

Top view

Unit: mm

More than 150

More than 300

More than 50

Wall facing one side

Walls facing two sides

Walls facing three sides

More than 150

20

Drain-water hole

Bottom frame

Drain plug

Hose (available commercially, 
inner dia. 16mm)

Summary of Contents for ARX25J3V1B

Page 1: ...INSTALLATION MANUAL R410A Split Series Models ARX20J3V1B ARX25J3V1B ARX35J3V1B ARX20K2V1B ARX25K2V1B ARX35K2V1B...

Page 2: ...06 95 EC Electromagnetic Compatibility 2004 108 EC 3P Takayuki Fujii Managing Director 1st of 1RY 201 IKIN TCF 0153 201 RX20J 9 RX25J V1B RX35J V1B 5 9 5 9 5 9 DEKRA NB0344 74736 KRQ EMC97 4957 U Nove...

Page 3: ...ado positivamente por B de acuerdo con el Certificado C 06 Nota delineato nel A e giudicato positivamente da B secondo il Certificato C 07 A B C 08 Nota tal como estabelecido em A e com o parecer posi...

Page 4: ...ng wires so their terminals receive no external stresses Incomplete connections or clamping may cause terminal overheating or fire After connecting interconnecting and supply wiring be sure to shape t...

Page 5: ...ich must be kept away from moisture NOTE Cannot be installed hanging from ceiling or stacked CAUTION When operating the air conditioner in a low outdoor ambient temperature be sure to follow the instr...

Page 6: ...onal refrigerant required for refrigerant pipe exceeding 10m in length Be sure to add the proper amount of additional refrigerant Failure to do so may result in reduced perfomance The suggested shorte...

Page 7: ...foundation surface Outdoor Unit Installation 1 Installing outdoor unit 1 When installing the outdoor unit refer to Precautions for Selecting the Location and the Outdoor Unit Installation Drawings 2 I...

Page 8: ...10A 3 Use torque wrenches when tightening the flare nuts to prevent damage to the flare nuts and gas leakage Align the centres of both flares and tighten the flare nuts 3 or 4 turns by hand Then tight...

Page 9: ...e of charging hose which comes from gauge manifold to gas stop valve s service port 2 Fully open gauge manifold s low pressure valve Lo and completely close its high pressure valve Hi High pressure va...

Page 10: ...id piping and to provide insulation dimensions as below 3 Use separate thermal insulation for gas and liquid refrigerant pipes Gas side Liquid side Gas pipe thermal insulation Liquid pipe thermal insu...

Page 11: ...force a test run to stop press the indoor unit operation stop button Using the main unit s remote controller 1 Press the operation stop button Operation will start 2 Press the temperature button and t...

Page 12: ...that the terminal numbers match Tighten the terminal screws securely We recommend a flathead screwdriver be used to tighten the screws The screws are packed with the terminal board Observe the notes...

Page 13: ...s OUTDOOR Outdoor CONDENSER Condenser DISCHARGE Discharge Strip wire end to this point Excessive strip length may cause electrical shock or leakage Good Wrong Stripping wire at terminal block C400 C40...

Page 14: ...t operation in accordance with the operation manual to ensure that all functions and parts such as louver movement are working properly The air conditioner requires a small amount of power in its stan...

Page 15: ......

Page 16: ...3P291651 10U 2014 10 Copyright 2014 Daikin...

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