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5.4 Piping Connection
Pipes can be connected from 4 directions.
Front Side Piping Cover
Front Side
Piping Work
(Knock-Out Hole)
Note Item for Remove Service Cover
Main Points for Remove
Service Cover
Remove the bolts of
service cover follow
right Fig.
Note
Press the service cover
when remove the bolts.
It is possible for service
cover to slide down.
Press the service cover at front,
then remove it down slowly.
Fig. 5.2 Remove Service Cover
(1) Confirm that the valve is closed.
(2) Prepare a field-supplied bend pipe for
liquid line. Connect it to the liquid valve by
flare nut through the square hole of bottom
base.
(3) For Gas Piping Connection
Prepare a field-supplied bend pipe for gas
line. Braze it and the factory-supplied pipe
flange at the outside of the unit.
Double Spanner Work
Rear Side
Piping Cover
Right Side Piping Work
(Knock-Out Hole)
Rear Side Piping Work
(Knock-Out Hole)
Right Side Piping Work
(Knock-Out Hole)
Bottom Side
Piping Work
(Knock-Out Hole)
Service Cover
Fix Hook (3 Points)
Do not apply the double
spanner work here.
Refrigerant leakage shall
occur.
Tightening Work for Stop Valve
Remove Direction of
Service Cover
Fig. 5.1 Piping Direction
Table 5.6
Pipe Size
(4) Pipes can be connected from 4 directions
Connect Front and Right Side Pipe
12
Front Side Piping Cover
Tightening Torque for Flare Nut
as shown Fig. 5.1. Make a knock-out hole
in the front pipe cover or bottom base to
pass through the hole.
After removing the pipe cover from the unit,
punch out the holes following the guide line
with screwdriver and a hammer.
Then, cut the edge of the holes and attach
insulation (Field-Supplied) for cables and
pipes protection.
Front Side Piping Cover
Gap
Right Side Piping Hole
B
Front Side Piping Hole
Stop Valve
Distribut Pipe
Torque
A
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