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12.3 Outdoor Unit
12.3.1 Install the Outdoor Unit
After selecting the best location, start installation to Indoor/Outdoor Unit Installation Diagram.
1. Install at least 3 cm above the ground. Do not install the unit on the floor.
2. Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut (ø10 mm). Install the outdoor unit in
a level position and do not block the holes. Failure to do so may result in water leakage or accumulation.
3. When installing at roof, please consider strong wind and earthquake. Please fasten the installation stand
firmly with bolt or nails.
18.5
68
22
799
570
[mm]
105
330
355
12.3.2 Connect the piping
12.3.2.1 Connecting the piping to Indoor Unit
For connection joint location at outside building
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.
Torque
wrench
Spanner or
Wrench
For connection joint location at inside building
Decide the length.
Cut and remove the tube connectors at indoor copper pipings (both gas and liquid piping) by using pipe cutter.
Remove burrs from cut edge.
Use pipe expander to expand the end of long piping.
Align the center of piping and braze the piping joints.
.3Cut and 2.1.
Remove
Expand
long pipe
(40 ~ 50 mm)
Tube connector
Indoor
copper pipe
Braze
both pipe
Brazing point
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