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INSTALLATION(07 09 12 18 TYPE)
Discharge the air procedure
Connect assembly pipe to the appropriate valve on the indoor
unit and outdoor unit and tighten the flare nut(as fig.1).
Screw down the nut of connecting pipr with wrench(the torque as
follow diagram )
NOTICE (Fig.1)
1.The number of bent position of the pipe in the indoor unit should not exceed 10.
2.The number of bent position of the pipe in the indoor unit and the outdoor unit should not
exceed 15.
3. The radius of bent position should more than 10cm.
PIPE DIAMETER OF PIPE TORQUE(N m)
Liquid pipe 6.35mm ( 1/4 ) 13.7---17.6
Gas pipe 9.52mm ( 3/8 ) 34.3---41.2
Gas pipe 12.7mm ( 1/2 ) 49.0---56.4
Discharge the air of the units:
(lt can use vacuum pump, too.)
liquid connecting pipe
Take off screw cap for closing valve and gas
liquid closing valve
charging hole; Allen wrench
gas closing
Open the closing valve with Allen wrench(turn valve gas conne-
cting pipe
90 clockwise), then push the gas charging hole Screw cap
about 10 seconds, (When the gas like the fog
appears, indicating the air of unit is discharge at all.) gas charging hole
Screw cap
Screw down the screw cap of gas charging hole.
Proceed leak test with leak detector or soap water.
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INSTALLATION(24 TYPE)
OUTDOOR UNIT
1 Wiring
The cable wire can be led from the back hole
Outdoor unit of the piping hole or ejecting hole.
1 Remove the self-tapping screws (2 pcs) Please utilize outdoor pipe support when
onthe maintenance board and take out the the cable wire is led from the backside.
maintenance board.
Terminal board
Fix the cable wire
with anchor cable
Maintenance
board Outdoor pipe support
(Outdoor pipe support is not required
Piping cover when leading the cable wire from other places).
2 Loosen the self-tapping screws (2 pcs) on
the fixing clip to loosen the fixing clip.
3 Loosen the fixing screw of the wire terminal 4 Tighten the self-tapping screw on the fixing clip.
board, pass the power wire and signal wire 5 Install the maintenance board. After the pipes
through the fixing clip. Then firmly fix the and cable wire are installed, please seal the sponge
power wire and signal wire on the terminal board block as per drawing indication.
with the fixing screw. (Ground wire must be
connected firmly.)
Back wiring
Maintenance Right wiring
board
Sponge
Piping cover Ejecting hole Piping cover
Connect diagram
L N2 L N23
Connecting
Indoor unit terminal joint
Connecting cable
Brown
Yellow/Green
White
Blue
White Red Yellow
White Yellow/Green White
Blue Blue
L1 L2
L 2 L3 N L1
L
L2
2 L3 N 234 5
R1 R2
6