Gree GWH24AAD-K3NNA2A - Installation of Outdoor Unit

28
Installation and Maintenance
Service Manual
18K:
handle
24K
Indoor unit connection
violet orange
yellow-
green
245N(1)
blue black
N(1)
5342
blue
black
brown
violet
orange
yellow-
green
Indoor unit connection
(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
oor 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.
(1) After tightening the screw, pull the power cord slightly to
check if it is rm.
(2) Never cut the power connection wire to prolong or shorten
the distance.
(1) The through-wall height of drain hose shouldnt be higher
than the outlet pipe hole of indoor unit.(As show in Fig.25)
(2) Slant the drain hose slightly downwards. The drain hose
cant be curved, raised and uctuant, etc.(As show in Fig.26)
Note:
Note:
Note:
The drain hos
can't raise
upwards
gas pipe
Liquid pipe
Liquid
valve
gas valve
Union nut
Pipe joint
Foot holes
Foot holes
Chassis
Outdoor drain join
t
Drain hose
Drain ven
t
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.
5. Connect Outdoor Electric Wire
(1) Remove the wire clip; connect the power connection wire
and signal control wire (only for cooling and heating unit) to the
wiring terminal according to the color; x them with screws.(As
show in Fig.23)
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)
(2) Fix the power connection wire and signal control wire with
wire clip (only for cooling and heating unit).
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)
4. Connect Indoor and Outdoor Pipes
(1) Remove the screw on the right handle of outdoor unit and
then remove the handle.(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)
(3) Pretightening the union nut with hand.
(4) Tighten the union nut with torque wrench .
Hex nut diameter(mm) Tightening torque(N
.
m)
Φ6 15~20
Φ9.52 30~40
Φ12 45~55
Φ16 60~65
Φ19 70~75
Refer to the following table for wrench moment of force
:
Fig.18 Fig.19
Fig.20
Fig.21
Fig.22
Fig.23
Fig.24
Fig.25
Note: the wiring connect is for reference only,please refer
to the actual one.
U-shaped curve
Wall
Note: the wiring connect is for reference only,
please refer to the actual one
.
Indoor unit connection
Indoor unit connection
Heat Pump Type:
N(1)
2435
blue
black
brown
violet
orange
yellow-
green
Cool Only Ty pe:
N(1)
blue black
brown
yellow-green
23
Handle
screw
handle
A
Chassis
Outdoor drain joint
Drain hose
Drain vent
U-shaped curve
Wall
Note: the wiring connect is for reference only,
please refer to the actual one
.
Indoor unit connection
Indoor unit connection
Heat Pump Type:
N(1)
2435
blue
black
brown
violet
orange
yellow-
green
Cool Only Ty pe:
N(1)
blue black
brown
yellow-green
23
Handle
screw
handle
A
Chassis
Outdoor drain joint
Drain hose
Drain vent
U-shaped curve
Wall
Note: the wiring connect is for reference only,
please refer to the actual one
.
Indoor unit connection
Indoor unit connection
Heat Pump Ty pe:
N(1)
2435
blue
black
brown
violet
orange
yellow-
green
Cool Only Type:
N(1)
blue black
brown
yellow-green
23
Handle
screw
handle
A
Chassis
Outdoor drain joint
Drain hose
Drain vent
At least 3cm above the oor