Installation Of Outdoor Unit - Gree GWH18KG-K3DNB1G Service Manual

Outdoor
Indoor
Wall pipe
Sealing gum
Fig.16
Note:
Do not bend the drain hose too excessively in order to prevent
blocking.

8.6 Installation of Outdoor Unit

1. Fix the Support of Outdoor Unit(Select it according to
the actual installation situation)
(1) Select installation location according to the house structure.
(2) Fix the support of outdoor unit on the selected location with
expansion screws.
Note:
(1) Take sufficient protective measures when installing the
outdoor unit.
(2) Make sure the support can withstand at least four times the
unit weight.
(3) The outdoor unit should be installed at least 3cm above the
floor in order to install drain joint.(As show in Fig.18)
(4) For the unit with cooling capacity of 2300W~5000W, 6
expansion screws are needed; for the unit with cooling capacity
of 6000W~8000W, 8 expansion screws are needed; for the
unit with cooling capacity of 10000W~16000W, 10 expansion
screws are needed.
At least 3cm above the floor
Fig.18
2. Install Drain Joint(Only for cooling and heating unit)
(1) Connect the outdoor drain joint into the hole on the chassis.
(2) Connect the drain hose into the drain vent.
(As show in Fig.19)
3. Fix Outdoor Unit
(1) Place the outdoor unit on the support.
(2) Fix the foot holes of outdoor unit with bolts.
(As show in Fig.20)
Foot holes
Foot holes
Fig.20
38
Fig.17
Upper hook
Lower hook of
wall-mounting frame
Drain vent
Chassis
Outdoor drain join t
Drain hose
Fig.19
Handle
Fig.21
Valve cover
4. Connect Indoor and Outdoor Pipes
(1) Remove the screw on the handle and valve cover of outdoor
unit and then remove the handle and valve cover.(As show in
Fig.21)
(2) Remove the screw cap of valve and aim the pipe joint at the
bellmouth of pipe.(As show in Fig.22)
Liquid pipe
Liquid
gas pipe
valve
gas valve
Fig.22
(3) Pretightening the union nut with hand.
(4) Tighten the union nut with torque wrench .
Refer to the following table for wrench moment of force:
Hex nut diameter(mm)
Φ6
Φ9.52
Φ12
Φ16
Φ19
5. Connect Outdoor Electric Wire
(1) Remove the wire clip; connect the power connection wire
and power card to the wiring terminal according to the color; fix
them with screws.(As show in Fig.23)
Handle
Note: the wiring connect is for reference only,
please refer to the actual one.
(2) Fix the power connection wire with wire clip.
Note:
(1) After tightening the screw, pull the power cord slightly to
check if it is firm.
(2) Never cut the power connection wire to prolong or shorten
the distance.
6. Neaten the Pipes
(1) The pipes should be placed along the wall, bent reasonably
and hidden possibly. Min. semidiameter of bending the pipe is
10cm.
(2) If the outdoor unit is higher than the wall hole, you must set
a U-shaped curve in the pipe before pipe goes into the room,
in order to prevent rain from getting into the room.(As show in
Fig.24)
Service Manual
Pipe joint
Union nut
Tightening torque(N . m)
15~20
30~40
45~55
60~65
70~75
N(1) 2 3 L N
yellow-
green
blue black brown brown blue
N
L
POWER
yellow-
green
Connect to indoor unit
Fig.23
Installation and Maintenance