Install Outdoor Unit; Installation Of Outdoor Unit; Electric Wiring; Air Purging - Gree GWC09AB-D3DNA2D Installation Manual

Installation of Outdoor Unit

1.
Remove the handle on the right side plate of outdoor unit.
2.
Take off wire cord anchorage. Connect and fix power cord
to the terminal board. Wiring should fit that of indoor unit.
3.
Fix the power cord with wire clamps and then connect the
the corresponding connector.
4.
Confirm if the wire has been fixed properly.
5.
Reinstall the handle.
NOTE:
Incorrect wiring may cause malfunction of spare part.
●
After the wire has been fixed, ensure there is free
●
space between the connection and fixing places
on the lead wire.
Schematic diagram being reference only, please refer to
real product for authentic information.
Air purging method:
●
Air purging method
Use vacuum pump
Use vacuum pump
●
(Note: R410A refrigerant special vacuum pump should be
applied for R410A unit.)
1. Connect the charging hose of manifold valve to charging
port of low-pressure valve. Both high-pressure valve and
low-pressure valve must be tighten up).
2. Connect joint of charging hose to vacuum pump.
3. Fully open Lo （ low pressure ） handle of manifold valve
and start the vacuum pump for vacuum pumping.
4. Usually the vacuum pumping time of 2600W AC is about
15min. The vacuum pumping time of 5000W AC is about
20min. The vacuum pumping time of 7200W AC is about
30min. Make sure the pressure is -1.0X105pa (-76cmHg).
When vacuum pumping is finished, close Lo （ low pressure ）
handle of manifold valve completely to stop the vacuum pump.

Electric Wiring

Air purging

Length of connection pipe
Not longer than 24.6ft
24.6~65.6ft
Refrigerant charging amount
Nameplate value
Nameplate value +20g/m (for 9k 12k 18k heat pump unit
Nameplate value +15g/m (for 18k 24k cool only unit
Nameplate value +50g/m (for 24k heat pump unit
add 15g/20g/50g of refrigerant for additional 1m of pippe length
Charging hose
Gas valve
Liquid
valve
7
Sketch map of power connection wire:
Cable-cross board
for 9k 12k unit
Power connection wire Power cord
for 18K 24K unit
N(1) 2 3 L1 L2
yellow-
blue black brown brown blue
green
L1 L2
Indoor unit
POWER
connection
Manifold valve
Multimeter
-76cm Hg
Lo handle
Charging hose
Vacuum pump
Wire hole
G
yellow-
green
Piezometer
Hi handle