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CAUTION
Remove the valve cover and make sure that
●
the stop valve is fully closed.
Connect a vacuum gauge to the needle valve
●
port and make sure there is no residual
pressure in the tube.
Use pliers and other tools to completely cut
●
off the small sealing tube.
Remove the large sealing tube.
●
Service port cover
OPEN
Gas side stop valve
Small sealing tube
5.4.3 Outdoor refrigerant connecting pipe
position
The outdoor refrigerant connecting pipe position is
shown in the following figure.
8-22HP
.
valve cover
CLOSE
Large sealing tube
Cutting tool
Fig. 5.19
5.4.4 Connecting refrigerant piping to
outdoor unit
NOTE
Be sure that the field installed piping does not
touch other pipes, the bottom panel or side
panel.
Be sure to protect the piping with suitable
insulation for the bottom and side connection,
to prevent it from coming into contact with the
casing.
The fittings provided as accessories can be used to
complete the connection from the stop valve to the field
piping.
Field piping can be connected in 4 directions. Before
connecting, knock off the plate in the corresponding
direction.
screws
forward
downward
right-rear panel right-front panel
front knock-down panel
rear knock-down
panel
under knock-down panel
The connection method of the forward outlet pipe
S-shaped pipe
connection
(Liquid side)
Gas side piping
（field piping）
Liquid side piping
（field piping）
connection(Gas side)
right-front panel
right-rear panel
screws
backward
rightward
Fig. 5.20
chassis assembly
Fig. 5.21
Elbow pipe
Fig. 5.22
V.1
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