Install The Outdoor Unit; Connect The Piping - Panasonic CU-4E23QBR 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 1200 mm or less.

11.2 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 by bolt nut (ø10 mm).
2. When installing at roof, please consider strong
wind and earthquake.
Please fasten the installation stand firmly with
bolt or nails.

11.3 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.
Model
CU-4E27***,
CU-5E34***
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)
47
A B C
620 mm 170 mm 20 mm
Torque
[18 N•m (1.8 kgf•m)]
[42 N•m (4.3 kgf•m)]
[55 N•m (5.6 kgf•m)]
[65 N•m (6.6 kgf•m)]
[100 N•m (10.2 kgf•m)]
D
380.5 mm