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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 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.
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
WH-S*03/05*
ø12.7mm (1/2")
WH-U*03/05*
[55 N•m]
36
Piping size (Torque)
Gas
Liquid
ø6.35mm (1/4")
[18 N•m]
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