38
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 (ø13/32" (ø10 mm)).
2 When installing at roof, please consider strong wind and earthqua
ke.
Please fa
sten the installation stand firmly with bolt or nails.
Model A B C D
E9RKUA, E12RKUA
22-7/16
"
(570 mm)
4-1/8"
(105 mm)
23/32"
(18.5 mm)
12-19/32
"
(320 mm)
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 suffici
ently tighten
the flare nut
with fingers.
Further tighten the flare nut with torque wren
ch in
spe
cified 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 valves and then tighten with
torque wrench to the specified torque as stated in the
table.
AB
C
D
Torq u e
wrench
panner
or Wrench
Do not over tighten, over tightening may cause gas leakage.
Piping size Torque
1/4" (6.35 mm) 13.3 Ibf.ft [18 N•m (1.8 kgf•m)]
3/8” (9.52 mm) 31.0 Ibf.ft [42 N•m (4.3 kgf•m)]
1/2" (12.7 mm) 40.6 Ibf.ft [55 N•m (5.6 kgf•m)]
5/8” (15.88 mm) 47.9 Ibf.ft [65 N•m (6.6 kgf•m)]
3/4" (19.05 mm) 73.8 Ibf.ft [100 N•m (10.2 kgf•m)]
To Next Page
Loading...
