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1. The inside and outside connecting cable can be connected without removing the front grille.
2.

• Ensure the colour of wires of outdoor unit and the terminal Nos. are the same to the indoor’s respectively.
• Earth wire shall be Yellow/Green (Y/G) in colour and longer than other AC wires for safety reason.

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• After selecting the best location, start installation according to Indoor/Outdoor Unit Installation Diagram.

1. Fix the unit on concrete or rigid frame firmly and

horizontally by bolt nut (ø10 mm).

2. When installing at roof, please consider strong wind and earthquake. Please fasten the installation stand firmly with bolt or

nails.

Connecting The Piping To Indoor Unit
Please make flare after inserting flare nut (locate at joint portion
of tube assembly) onto the copper pipe. (In case of using long
piping)
Connect the piping

• Align the center of piping and sufficiently tighten the flare nut

with fingers.

• Further tighten the flare nut with torque wrench in specified

torque as stated in the table.

Connecting The Piping To Outdoor Unit
Decide piping length and then cut by using pipe cutter. Remove
burrs from cut edge.
Make flare after inserting the flare nut (locate at valve) onto the
copper pipe.
Align center of piping to valves and then tighten with torque
wrench to the specified torque as stated in the table.

Model

A

B

C

D

A7JKD, A9JKD

474 mm

87 mm

18.5 mm

261 mm

A12JKD

570 mm

105 mm

18.5 mm

320 mm

A18JKD, PA18JKD, 
A24JKD, PA24JKD, 
A28JKD

612.5 mm 131 mm

19 mm

383 mm

Piping size

Torque

1/4” [6.35 mm]

[18 N•m (1.8 kgf.m)]

3/8” (9.52 mm)

[42 N•m (4.3 kgf.m)]

1/2” (12.7 mm)

[55 N•m (5.6 kgf.m)]

5/8” (15.88 mm)

[65 N•m (6.6 kgf.m)]

3/4” (19.05 mm)

[100 N•m (10.2 kgf.m)]

Do not over tighten, over tightening cause gas leakage.