46
Installation and Maintenance
Service Manual
U-shaped curve
Wall
Drain hose
(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 1 1/6 inch
above the floor 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.
Note:
The drain hos
can't raise
upwards
gas pipe
Liquid pipe
Liquid
valve
gas valve
Union nut
Pipe joint
Foot holes
Foot holes
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 power cord to the wiring terminal ; fix 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. 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 cable and valve cover of
outdoor unit and then remove the cable cross plate sub-assy
and valve cover.(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(inch) Tightening torque(ft
·Ibf)
Φ1/4
11.10~14.75
Φ3/8
22.82~29.50
Φ1/2
33.19~40.56
Φ5/8
44.24~47.94
Φ3/4
51.32~55.31
Refer to the following table for wrench moment of force
:
Fig.18
Fig.19
Fig.20
Fig.21
Fig.22
Fig.24
Fig.25
Chassis
Outdoor drain joint
Drain hose
Drain vent
At least 1 1/6 inch above the floor
Screw
Cable Cross
Plate Sub-assy
Valve Cover
Installation and Maintenance
(1) After tightening the screw, pull the power cord slightly to
(2) Never cut the power connection wire to prolong or shorten
the distance.
(3) The connecting wire and connection pipe cannnot touch
each other.
(4) Top cover of outdoor unit and electric box assembly should
circuit caused by water or dust.
Note:
Install the over line pipe
Fig.23
wire pipe
wire-passing
hole
Fixed nut
Finish
cable cross
plate sub-assy
Indoor unit connection
2
3
L
L
N
N
N(1)
2
3
N(1)
POWER
Note: the wiring board is for reference only,
please refer to the actual one.
