Outdoor Unit; Connecting The Piping - Panasonic WH-SXC16F9E8 Service Manual

11.4

Outdoor Unit

11.4.1 Install the Outdoor Unit

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 (ø10 mm).
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

Model
WH-S*C09*3E8
WH-U*09*E8
Cooling
WH-S*C09/12/14/16*9E8
WH-U*09/12/14/16*E8
WH-S*F09*3E8
WH-U*09*E8
Heating
WH-S*F09/12/14/16*9E8
WH-U*09/12/14/16*E8
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.

Make holes in the pipe panels for the pipes to
pass through.

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.
Be sure to use two spanners
to tighten.
(If the nuts are over
tightened, it may cause
the flares to break
or leak.)
Do not attach
the spanners
here
Piping size (Torque)
Gas Liquid
ø15.88 mm ø9.52 mm
(5/8") (3/8")
[65 N•m] [42 N•m]
Close the tube joining area
with putty heat insulator
(local supply) without any
gap as shown in right figure.
(To prevent insects or small
animal entering.)
140
Do not over tighten, over tightening cause gas leakage.
Forward
direction
Mounting
screws
37
450
620 140
(Anchor pitch)
CAUTION
Service panel
Rear direction
Rear pipe
panel
Side panel
Front pipe panel
Downward
direction
Putty or Heat
insulator
(local supply)