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11.4. Outdoor Unit
11.4.1. INSTALL THE OUTDOOR UNIT
• 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.
11.4.2. CONNECTING THE PIPING
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.
Local pipes can project in any of four directions.
• Make holes in the pipe panels for the pipes to pass through.
• Be sure to install the pipe panels to prevent rain from getting
inside the outdoor unit.
[Removing the service panel].
(1) Remove the two mounting screws.
(2) Slide the service panel downward to release the pawls.
After this, pull the service panel toward you to remove it.
CUTTING AND FLARING THE PIPING
1. Please cut using pipe cutter and then remove the burrs.
2. Remove the burrs by using reamer. If burrs is not removed, gas leakage may be caused.
Turn the piping end down to avoid the metal powder entering the pipe.
3. Please make flare after inserting the flare nut onto the copper pipes.
Model Piping size (Torque)
Gas Liquid
RE18GK 1/2” [55 N
O
m] 1/4” [18 N
O
m)
RE24GK 5/8” [65 N
O
m] 1/4” [18 N
O
m)
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