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18
INSTALLATIONINSTALLATION
External connection
electric wire
Liquid side piping
Liquid side
piping insulation
Water
drainage
pipe
Finally wrap it
with tape
Gas side
piping insulation
Gas side piping
n Discharge the air of the units:
It can be used as vaccum pump.
Remove screw cap of closing valve and
gas charging hole; Open the closing valve
with Allen wrench(turn 90 clockwise),
then push the gas hole for about 10 seconds,
(When a gas like fog appears, it indicates
that the air of unit has been discharged)
put back the screw cap of gas charging hole.
Do the leak test with leak detector or soap water.
n Sealing the wall hole and clamping the pipe
• Use putty to seal the wall hole.
• Use pipe fastener to clamp the pipe on wall
air proof with putty
Mounting Board
Mounting Board
Fixing Hook
Gas
Charging
Hole
Screw Cap
Screw Cap
Gas connecting
pipe
Liquid connecting pipe Cap
Liquid closing valve
Gas closing
valve
Allen Wrench
n Connecting of pipes
6.35 mm
6.35 mm
12.7 mm
12.7 mm
Diameter of pipePipe Model
1.0 T
1.5 T
Torque (N • m)
Liquid pipe
Liquid pipe
Gas pipe
Gas pipe
13.7--17.6
13.7--17.6
49.0--56.4
49.0--56.4
Indoor unit
Liquid pipe
Gas pipe
Gas charging hole
Closing valve
connecting pipe
Bottle of storage refrigerant
Bottle’s valve of storage refrigerant
Outdoor unit
n Add refrigerant
• If the connecting pipe is longer than 7 meters, add refrigerant as needed. Add
amount A= (Lm-7m) 15g/m.
(A: add refrigerant amount, L: the length of connecting pipe)
• Add refrigerant with the spring balance, as specified above.
the length of connecting pipe (m) 7 8 9 10
add amount (g) 0 15 30 45
n Test
• Proceed leak test (with leak detector or soap water.) and inspect connecting
cables before test operation.
Test procedure: (Control by emergency operation switch or remote
controller) For detailed operation, see OPERATION OF AIR CONDITIONER
in the manual.
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