Panasonic CU-3E19RBU Installation Manual page 11

Outdoor Unit Installation Guidelines
Where a wall or other obstacle is in the path of outdoor unit's intake or exhaust airflow, follow the installation
guidelines below.
For any of the below installation patterns, the wall height on the exhaust side should be 47-1/4" (1200 mm) or
less.
Wall facing one side
15
More than 3 / " (100)
16
1
47
or less
S
10.2.2 Install The Outdoor Unit
After selecting the best location, start installation
to Indoor/Outdoor Unit Installation Diagram.
1. Firmly attach the unit horizontally to concrete
or a rigid frame with bolts and nuts (ø13/32"
(ø10 mm)).
2. When installing on a roof, please consider
strong winds and earthquakes.
Please fasten the installation stand firmly with
bolts or nails.
10.2.3 Connect The Piping
Remove the cabinet side plate (metal) from the
unit by loosening six screws.
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.
Screw
Cabinet side plate
Screw
Walls facing two side
More than
39 3 / " (1000)
8
/ " (1200)
4
d i e v e i w
Male side
A
B
C
D
Male side
More than
More than
3
3 15 / " (100) 39 / " (1000)
8
16
More than
15
3 / " (100)
16
More than
13
11 / " (300)
16
T o p v e i w
Model
24-13/32"
CU-4E24***
(620 mm)
Do not over tighten, over tightening 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]
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 10.2.4.
Flare Nut
(Connection Pipe)
Torque Wrench for
Flare Nut
Flare Nut
(Connection Pipe)
Torque Wrench for
Flare Nut
Pipe Size
Flare Nut
Expander
Packing
(Connection Pipe)
Torque Wrench for Flare Nut
and Pipe Size Expander
37
Walls facing three side
More than
3 15 / " (100)
16
More
than
3 15 / "
16
(100)
More than
3
39 / " (1000)
8
Top view
Unit : inch (mm)
A B
A B C
6-11/16" 25/32"
(170 mm) (20 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)]
Female side
Applicable to
Liquid and Gas side of
CS-ME5***,
CS-ME7***,
CS-E9***,
CS-E12***,
CS-E18***
Liquid side of
CS-E24***
Female side
Applicable to
Gas side of
CS-E24***
D
14-31/32"
(380.5 mm)