39
Installation and Maintenance
Service Manual
(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 3cm above the 
oor 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:
gas pipe
Liquid pipe
Liquid
valve
gas valve
Pipe joint
Foot holes
Chassis
Outdoor drain join
Drain hose
t
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.
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 handle and valve cover of outdoor 
unit and then remove the handle 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 .
Fig.18 Fig.19
Fig.20
Fig.21
Fig.22
(1) After tightening the screw,  pull the power cord slightly to 
check if it is rm.
(2) Never cut the power connection wire to prolong or shorten 
the distance.
Note:
5. Connect Outdoor Electric Wire
(1) Remove  the  wire clip; connect the power  connection wire 
and signal control wire (only for cooling and heating unit)  to the 
wiring terminal according to the color; x them with screws.(As 
show in Fig.23)
(2) Fix the power  connection wire and signal control wire with 
wire clip.
Hex nut diameter(mm) Tightening torque(N
.
m)
Φ6 15~20
Φ9.52 30~40
Φ12 45~55
Φ16 60~65
Φ19 70~75
Refer to the following table for wrench moment of force
:
 
Fig.23
can't raise
upwards
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)
Fig.24
Fig.25
At least 3cm above the floor
Handle
Valve cover
Note: the wiring connect is for reference only,
 
please refer to the actual one.
Handle
,1'22581,7
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1
/
1
32:(5
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%1
<(*1
%1
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%8
<(*1
1
/
U-shaped curve
Drain hose