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Manifold
Valve
Multimeter
-76cmHg
Lo Handle
Charging hose
Manometer
Hi handle
Charging hose
Vacuum pump
Low pressure valve
Ø
Air purging and leakage test
Condensate drainage of outdoor unit (no for cooling only)
The condensate and defrosting water formd during heating
in the outdoor unit can be properly discharged by drainage
pipe .
Installation method:set the drain connection in 25 hole of the
chassis has been installed and then connect drainage pipe
with drain nozzle,so that condensate and defrosting waer can
be properly discharged
Chassis
Drain
connection
●
●
Install outdoor unit
Electric wiring
NOTE:
Wrong wiring may cause spare parts malfunction.
After the cable fixed, make sure there should be
a free space between the connection and
connection and fixing place on the lead wire.
3.
4.
5.
1.
2.
Disassemble the handle on the outdoor unit right side plate.
Take off cord anchorage. Connect and fix power connect
cord (for cooling and heating unit,connect and fix power
connect cord and signal control wire)to terminal block.
Fix the power connection cable with cord anchorage,
(for cooling and heating unit, use the cord anchorage
to fix the power connection cable and the signal
control wire).
Ensure wire has been fixed well.
Install the handle.
5
-1.0 10 pa
(-76cmHg)..
1. Connect charging hose of manifold valve to charge end of low pressure
valve (both high/low pressure valves must be tightly shut).
2. Connect joint of charging hose to vacuum pump.
3. Fully open handle handle of Lo manifold valve.
4. Open the vacuum pump to evacuate. At the beginning, slightly
loosen joint nut of low pressure valve to check if there
is air coming inside. (If noise of vacuum pump has
been changed, the reading of multimeter is 0) Then
tighten the nut.
5. Keep evacuating for more than 15mins and make
sure the reading of multi-meter is
6. Fully open high/low pressure valves.
7. Remove charging hose from charging end of low pressure valve.
8. Tighten bonnet of low-pressure valve. (As shown in Fig.10)
Fig.10
Heat pump type and
GWH18NC-D3NNC7A
18K Heat pump type:
05
、 、
07
、
09 12K
、
05
、 、
07
、
09 12K
14K
、
18K
Cool only type:
Indoor unit
connection
N(1) 2 4 5
blue black violet orange
yellow-
green
24K Heat pump type:
Indoor unit
connection
N(1) 2 4 3 5
blue black brown violet orange
yellow-
green
N(1)
Indoor unit
connection
blue black yellow-green
2
24K Cool only type:
N(1)
Indoor unit
connection
blue black brown
yellow-green
2 3
Handle
20
Indoor unit
connection
N(1) 2 4 5
blue black violet orange
yellow-
green