Panasonic WH-SHF09D3E5, Service Manual

Page: 37 / 114

37
11.4 Outdoor Unit
11.4.1 Install the Outdoor Unit
š
After selecting the best location, start installation
according to Indoor/Outdoor Unit Installation
Diagram.
1 Fix the unit on concrete or rigid frame firmly and
horizontally by bolt nut (ø10mm).
2 When installing at roof, please consider strong
wind and earthquake. Please fasten the
installation stand firmly with bolt or nails.
(Unit in mm)
11.4.2 Connecting the Piping
Piping size (Torque)
Model
Gas Liquid
SHF09D3E5/UH09DE5,
SHF12D6E5/UH12DE5
ø15.88mm (5/8”)
[65 N•m]
ø9.52mm (3/8”)
[42 N•m]
CAUTION
Do not over tighten, over tightening cause gas leakage.
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.
Local pipes can project in any of four directions.
š
Make holes in the pipe panels for the pipes to
pass through.
š
Be sure to install the pipe panels to prevent rain
from getting inside the outdoor unit.
[Removing the service panel].
(1) Remove the three mounting screws.
(2) Slide the service panel downward to release the
pawls.
After this, pull the service panel toward you to remove it.
Cutting and Flaring the Piping
1 Please cut using pipe cutter and then remove the burrs.
2 Remove the burrs by using reamer. If burrs is not removed, gas leakage may be caused.
Turn the piping end down to avoid the metal powder entering the pipe.
3 Please make flare after inserting the flare nut onto the copper pipes.