Gree KFR-32GW/NA21, Service Manual

Page: 126 / 131

Install Outdoor Unit
Install connect pipe
Torque spanner
Align the flare of connection pipe to the joint flare of relative valve.
Tighten nuts on connecting pipe forcibly then tighten it by spanner
(As shown in right figure).
Note : Too great of torque would damage nuts.
Refer the following list for tightening torque
Hex nut (mm) Tighten torque (N.m)
Spanner
Connect pipe nut
Joint
Fig. 11-9
Wiring connection
Take off right side plate of outdoor unit .
Take off clamp, connect and fix the power connect wire to wiring terminal board.
The wiring allocation should in accordance with that of indoor unit.
Fix power connect wire by wire clamp, to cooling and heating unit, fix
signal control wire, and then connect relative connector well.
Ensure that wire had been fixed firmly.
Install components of handle.
If power wire is not fited with plug, the distance between poles of tripped touch
switch should be at least 3mm.
Signal control wire
Only for heat pump unit
Power connect wire
Yellow-green
Wire clamp
Blue
Brown
Note:
Wrong wire connection would cause malfunction of some electric components.
Don't pull the fixed wire
Wire of outdoor unit should not be too loose.
Loosen bolts and take off top cover
Big handle
Self tapping screw
Fig.11-10