Outdoor Unit; Connect The Piping - Panasonic CS-E12SD3UAW Installation Manual

11.2 Outdoor Unit

11.2.1 Select the Best Location
11.2.2 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 with a bolt nut (ø 13/32" (ø10 mm)).
2 When installing at roof, please consider strong wind and earthquake.
Please fasten the installation stand firmly with bolt or nails.
A
11.2.3

Connect the Piping

11.2.3.1 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.
11.2.3.2 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.
11.2.3.3 Connecting the Piping to
Outdoor Multi
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.
11.2.3.4 Gas Leak Checking
Pressure test to system to 400 PSIG with dry nitrogen, in stages. Thoroughly leak check the system. If the pressure
holds, release the nitrogen and proceed to section 4.
B
Model
E9SD3UAW, 22 7/16"
E12SD3UAW (570 mm)
24 1/8"
E18SD3UAW
(613 mm)
Do not over tighten, overtightening may cause gas leakage.
Piping size
1/4" (6.35 mm)
3/8" (9.52 mm)
1/2" (12.7 mm)
5/8" (15.88 mm)
3/4" (19.05 mm)
Spanner
or Wrench
Hall Union
Male side
(Auxiliary pipe)
Wrench
(Adjustable Wrench)
Male side
Hall Union
(Auxiliary pipe)
Wrench
(Adjustable Wrench)
Torque Wrench for Flare
Nut and Pipe Size Reducer
43
A B C
4 1/8" 23/32"
(105 mm) (18.5 mm)
5 5/32" 5/8"
(131 mm) (16 mm) (360.5 mm)
Torque
13.3 Ibf•ft [18 N•m (1.8 kgf•m)]
31.0 Ibf•ft [42 N•m (4.3 kgf•m)]
40.6 Ibf•ft [55 N•m (5.6 kgf•m)]
47.9 Ibf•ft [65 N•m (6.6 kgf•m)]
73.8 Ibf•ft [100 N•m (10.2 kgf•m)]
Torque
wrench
Flare Nut Female side
Applicable to
(Connection pipe)
Liquid and Gas side of
CS-E9SD3UAW
Liquid side of
Torque Wrench
CS-E12SD3UAW
for Flare Nut
CS-E18SD3UAW
Pipe Size
Female side
Reducer Flare Nut
Packing
(Connection pipe)
Applicable to
Gas side of
CS-E12SD3UAW
CS-E18SD3UAW
D
12 19/32"
(320 mm)
14 3/16"