GREE ELECTRIC GWH07AGA-K6DNA1A/O Service Manual page 73

Refer to the following table for wrench moment of force:
Piping size (inch)
1/4
3/8
1/2
5/8
3/4
6. Install Drain Hose
(1) Connect the drain hose to the outlet pipe of indoor unit. (As
show in Fig.8)
(2) Bind the joint with tape. (As show in Fig.9)
Drain hose
Outlet
pipe
Fig.8
NOTE:
● Add insulating pipe in the indoor drain hose in order to prevent
condensation.
● The plastic expansion particles are not provided.
7. Connect Wire of Indoor Unit
NOTICE:
● All wires of indoor unit and outdoor unit should be connected
by a professional.
● If the length of power connection wire is insufficient, please
contact the supplier for a new one. Avoid extending the wire by
yourself.
70
Insulating pipe
Fig.7
Tightening torque (N . m)
15~20
30~40
45~55
60~65
70~75
Drain hose
Outlet pipe
Tape
Fig.9
Drain hose
Insulating pipe
Fig.10
● For the air conditioner with plug, the plug should be reachable
after finishing installation.
● For the air conditioner without plug, an air switch must be
installed in the line. The air switch should be all-pole parting and
the contact parting distance should be more than 3mm.
(1) Open the panel, remove the screw on the wiring cover and
then take down the cover. (As show in Fig.11)
(2) Make the power connection wire go through the cable-cross
hole at the back of indoor unit and then pull it out from the front
side. (As show in Fig.12)
Cable-cross
hole
Power connection
wire
(3) Remove the wire clip; connect the power connection wiresignal
control wire (only for cooling and heating unit) to the wiring
terminal according to the color; tighten the screw and then fix the
power connection wire with wire clip. (As show in Fig.13)
(4) Put wiring cover back and then tighten the screw.
(5) Close the panel.
07K / 09K(ATA/ATB) / 12K(ATB)
N(1)
yellow- blue
green
Outdoor unit connection
Note: The wiring connect is for reference only, please refer to the actual one.
NOTICE:
● The wiring board is for reference only, please refer to the actual one.
8. Bind up Pipe
(1) Bind up the connection pipe, power cord and drain hose with
the band. (As show in Fig.14)
(2) Reserve a certain length of drain hose and power cord for
installation when binding them. When binding to a certain degree,
separate the indoor power and then separate the drain hose. (As
show in Fig.15)
Service Manual
Screw
Panel
Wiring Cover
Fig.11
Fig.12
09K(ATC) / 12K(ATC) / 18K / 24K
N(1) 2 3
2 3
brown yellow-
black brown
blue black
green
Outdoor unit connection
Fig.13
Installation and Maintenance