Panasonic CS-E18SD3UAW service manual - Page 43

Select the Best Location, Install the Outdoor Unit, Connect the Piping

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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 B C D Model E9SD3UAW, E12SD3UAW E18SD3UAW A B C D 22 7/16" 4 1/8" 23/32" 12 19/32" (570 mm) (105 mm) (18.5 mm) (320 mm) 24 1/8" 5 5/32" 5/8" 14 3/16" (613 mm) (131 mm) (16 mm) (360.5 mm) 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. 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) 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)] Spanner or Wrench Torque wrench 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. Male side Hall Union (Auxiliary pipe) Wrench (Adjustable Wrench) Flare Nut (Connection pipe) Female side Applicable to Liquid and Gas side of CS-E9SD3UAW Torque Wrench for Flare Nut Liquid side of CS-E12SD3UAW CS-E18SD3UAW Male side Pipe Size Hall Union Packing Reducer Flare Nut Female side (Auxiliary pipe) (Connection pipe) Wrench (Adjustable Wrench) Torque Wrench for Flare Nut and Pipe Size Reducer Applicable to Gas side of CS-E12SD3UAW CS-E18SD3UAW 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. 43

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43
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
B
C
D
Model
A
B
C
D
E9SD3UAW,
E12SD3UAW
22 7/16"
(570 mm)
4 1/8"
(105 mm)
23/32"
(18.5 mm)
12 19/32"
(320 mm)
E18SD3UAW
24 1/8"
(613 mm)
5 5/32"
(131 mm)
5/8"
(16 mm)
14 3/16"
(360.5 mm)
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.
Torque
wrench
Spanner
or Wrench
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.
Applicable to
Liquid and Gas side of
CS-E9SD3UAW
Liquid side of
CS-E12SD3UAW
CS-E18SD3UAW
Hall Union
Flare Nut
(Auxiliary pipe)
(Connection pipe)
Torque Wrench
for Flare Nut
Wrench
(Adjustable Wrench)
Male side
Male side
Female side
Female side
Applicable to
Gas side of
CS-E12SD3UAW
CS-E18SD3UAW
Hall Union
Flare Nut
Pipe Size
Reducer
Packing
Torque Wrench for Flare
Nut and Pipe Size Reducer
Wrench
(Adjustable Wrench)
(Connection pipe)
(Auxiliary pipe)
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.
Do not over tighten, overtightening 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)]