Install outdoor unit
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A i r p u r g i n g an d l eak ag e t es t
Take out the nut cover of the inlet for refrigerant.
Align the center of the piping and tighten the conical nut with hands.
To tighten the conical nut with spanner.
Take off the valve cover of liquid valve and gas valve and nut of Freon charge nuzzle.
Loosen the valve stem of liquid valve with a hex wrench. Push the check valve core of
gas valve to discharge air and moisture remaining in refrigerant system.
After 15seconds, stop pushing the valve core as soon as the
refrigerant starts to be discharged, and reinstall the service port nut.
Open the stem of liquid valve and gas valve completely. (As show in Fig. 12)
Tighten the valve cover, use the soap water or leakage detector to test,
the outdoor unit and pipeline connection leak or not.
If possible, adopt vacuum pump vacuum the air from the gas stem.
(As show in Fig.13)
Ou t d o o r c o n d en s at i o n d r ai n ag e (Heat p u m p t y p e o n l y )
When the unit is heating, the condensing water
and defrosting water can be drained out reliably
Installation: Install the outdoor drain elbow in 25
hole on the base plate,and joint the drain hose to the
elbow, so that the waste water formed in the outdoor
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Valve cap
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Liquid pipe
Gas pipe
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Chassis
Outdoor drain elbow
through the drain hose.
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Freon charge nuzzle
Screwdriver
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wire
leakage test
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Diagram for cooling
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Disassemble the handle on the outdoor unit right side plate.
Take off wire clamp. Connect and fix power connect cord to
terminal of line bank. Wiring should fit that of indoor unit.
Fix the power connection cable with wire clamp, for cooling
and heating unit, then use the wire clamp to fix the signal
control wire, then connect the corresponding connector.
Ensure wire has been fixed well.
Install the handle. (1 screw to fix)
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Wrong wiring may cause spare parts
malfunction.
After the cable fixed, make sure
there should be a free space between
the connection and fixing place on the
lead wire.
Connection diagram of indoor unit and outdoor unit:
unit can be drained out to a proper plate.
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Air purging and
Power connection
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Power connection
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Diagram for cooling
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The signal control wire is only
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fit for cooling and heating unit
