Install The Outdoor Unit; Connect The Piping - Panasonic CU-2E18SBU-5 Service Manual

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 / 16

10.4 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 bolt nut (ø13/32"
(ø10 mm)).
2 When installing on a roof, please consider
strong winds and earthquakes.
3 Please fasten the installation stand firmly with
bolt or nails.

10.5 Connect the Piping


Remove the control board cover (resin) from the
outdoor unit by loosening three 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.
Screws
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 10.7.
More than
" (100) 3
39 / 8 " (1000)
1
47 / 4 " (1200)
or less
S d i e v e i w
Control Board Cover (Resin)
Liquid side
Screw
Walls facing two side
More than
More than
3
15
3 / " (100) 39
16
More than
15
3 / 16 " (100)
More than
11
o T p v e i w
Model
CU-2E18***
Do not overtighten, 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)
Flare Nut
(Connection Pipe)
Torque Wrench for Flare Nut
Flare Nut
Gas side
(Connection Pipe)
Male side
Torque Wrench for Flare Nut
20
Walls facing three side
More than
15
/ 8 " (1000) 3 /
16
More
than
15
3 / 16 "
(100)
More than
3
39 /
13
/ " (300)
16
Top view
A B
A B
24 1/8" 5 5/32"
(613 mm) (131 mm)
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-E9***
CS-E12***
CS-ME5***
CS-ME7***
CS-ME9***
" (100)
" (1000)
8
Unit : inch (mm)
C D
5/8" 14 3/16"
(16 mm) (360.5 mm)
Torque