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11.3. Outdoor Unit
11.3.1. 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.
11.3.2. 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.
11.3.3. Evacuation Of The Equipment
Model A B C D
C12***, PC12***,
C18***, PC18***
570 mm 105 mm 18.5 mm 320 mm
C24***, PC24***
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.
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