Gree GVH24AK-K3DNC8A Service Manual page 38

Service Manual
8. Unfold the connection pipe, bend it according to the length
needed, remove the screw cap on indoor unit pipe, match the
connection pipe with the center of indoor unit pipe and then
screw up the nut.
Moment of screwing up:
Hex nut diameter(mm)
Φ6(1/4")
Φ9.52(3/8")
Φ12(1/2")
Φ16(5/8")
Φ19(3/4")
indoor unit pipe
Moment wrench
indoor unit pipe
Step two: Wiring of indoor unit
1. Press the rubber screw cover at the lower left corner of front
door and then remove the screw.
2. Press the right side of front door with your right hand, push it
rightwards and then pull the front door outwards with your left
hand.
3. Remove the screw of support plate and then remove the
support plate. Remove the screws fixing the electric box cover
to remove the electric box cover.
4. Thread the power connection wire through the cable cross
hole from the back.
5. Well connect the wire according to wiring diagram.
6. Fix the protecting cover section of power connection wire at
the groove of wire clamp and then screw up the fixing screw to
fix the connection wire firmly.
7. Power core and power connection wire should be fixed in
the big groove of press clamp on the left.
8. Fix the electric box cover properly with sufficient screw.
9. Clamp the upper and lower shafts of door plate into the
sliding groove; press the right side of front door with your right
hand to push it rightwards; make the left side of front close to
the chassis with your left hand; make the front slide leftwards
until rest; screw up the screw and then cover the rubber screw
cover.
support
plate
screw
Installation and Maintenance
Tightening torque(N.m)
15~20
30~40
45~55
60~65
70~75
conical nut connection pipe
wrench
conical nut
connection pipe
wiring board
Crimping clip
screw
N(1) 2
blue black
Outdoor unit connection
Note:
Please contact the maintenance center for another
connection wire with adequate length if the present one is
not long enough.
● Correctly connect the wires.
● Well screw up the screws fixing terminals and connection
wirings.
● The wirings should be properly fixed.
● Incorrect wiring connection of grounding wire may lead to
electric shock.
● Well fix the electric box cover with sufficient screw.
Improper assembly of electric box cover may cause fire
hazard or electric shock.
Step three: Installation of rear cover
1. Bind the connection pipe, connection wire and drainage
pipe together with binder.
● Fix some positions for convenient binding
● Do not bind too tightly.
● Leave the joint of connection pipe for leakage test.
● Knock down the sub-small hole for 24 unit when cutting
the baiting.
2. According to installation position, cut one of the baitings,
thread the packed pipe and wire through the baiting hole.
3. Assemble the rear case.
connection pipe
drainage
pipe
binder
connection pipe,
connection wire and
drainage pipe
rear cover
baiting
3
brown yellow-
green
binder
connection
pipe
drainage
pipe
connection wire
35