Gree GWH18AC-D3DNA1B Service Manual page 29

L N
Main
Pow er
Supply
115-1-60
115-1-60 Outdoor Units
L1 L2
Main
Pow er
Supply
208/230-1-60
208/230-1-60 Outdoor Units
INSTALL ALL POWER, INTERCONNECTING
WIRING, AND PIPING TO INDOOR UNIT.
1. Run interconnecting piping and wiring from outdoor unit to
indoor unit.
2. Pass interconnecting cable through hole in wall (outside to
inside).
3. Lift indoor unit into position and route piping and drain
through hole in wall (inside to outside). Fit interconnecting
wiring into back side of indoor unit.
4. Hang indoor unit on upper hooks of wall mounting plate (as
shown in Fig. 13)
Fig. 13 --- Hanging Indoor Unit
5. Open front cover of indoor unit and remove field wiring ter-
minal block cover (see Fig. 14)
L N GND S
Pow er to
Indoor
Ground Control
Unit
115-1-60
208/230-1-60 Connection Diagram
L1 L2 GND S
Pow er to
Indoor Ground Control
Unit
208/230-1-60
Fig. 12 --- Field Wiring
Outdoor unit
Terminal Block
G
115-1-60 Connection Diagram
CONNECTING CABLE
OUTDOOR TO INDOOR
CONNECTING CABLE
OUTDOOR TO INDOOR
6. Pull interconnecting wire up from back of indoor unit and
position in close to the terminal block on indoor unit.
7. Push bottom of indoor unit onto mounting plate to com-
plete wall mount.
8. Connect wiring from outdoor unit per connection diagram
(see Fig. 12).
NOTE: Polarity of power wires must match original
connection on outdoor unit.
9. Replace field wiring cover and close front cover of indoor
A08283
unit.
10. Connect refrigerant piping and drain line outside of indoor
unit. Refer to Fig. 10 for proper installation of flare connec-
tions. Complete pipe insulation at flare connection then
fasten piping and wiring to the wall as required. Com-
pletely seal the hole in the wall.
26
Conduit panel
Conduit
L N GND
Indoor Unit
Pow er Ground
Supply
115-1-60
115-1-60 Indoor Units
L1 L2 GND
Indoor Unit
Pow er Ground
Supply
208/230-1-60
208/230-1-60 Indoor Units
Field Wiring
Cover
Interconnecting
Cable
Fig. 14 --- Field Wiring Cover
S
Control
S
Control
A09666
A08279