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11.3 Outdoor Unit
11.3.1
Install the Outdoor Unit
•
After selecting the best location, start installation 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.
A
11.3.2
Connect the Piping
11.3.2.1
Connecting the piping to indoor
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.
11.3.2.2
Connecting the piping to outdoor
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 valve and then tighten with torque wrench to the specified torque as stated in the table.
Spanner
or Wrench
B
Torque
wrench
Model
A9***
474 mm
A12***
570 mm
A18***
613 mm
A24***
612.25 mm 131 mm
Do not overtighten, overtightening may cause gas leakage.
Piping size
6.35 mm (1/4")
9.52 mm (3/8")
12.7 mm (1/2")
15.88 mm (5/8")
19.05 mm (3/4")
41
A
B
C
87 mm
18.5 mm
105 mm
18.5 mm
131 mm
16 mm
19 mm
Torque
[18 N•m (1.8 kgf.m)]
[42 N•m (4.3 kgf.m)]
[55 N•m (5.6 kgf.m)]
[65 N•m (6.6 kgf.m)]
[100 N•m (10.2 kgf.m)]
D
261 mm
320 mm
360.5 mm
383 mm
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