Service Manual
8.6 Installation of Outdoor Unit
1. Fix the S u p p o rt o f O u td o o r Un it(S e le ct it a cc ordin g to
the actual in stalla tio n situ a tion )
(1) Select installation location according to the house structure.
(2) Fix the support of outdoor unit on the selected location with
expansion screws.
A Note:
(1) Take sufficient protective m easures 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
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.
Drain vent b Chassis
At least 3cm above the floor
Fig.18
Drain hose^j
Outdoor drain joirt
Fig.19
2. Install Drain Jo int(O nly fo r co o ling 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 O utd oo r Unit
(1) Place the outdoor unit on the support.
(2) Fix the foot holes of outdoor unit with bolts. (As show in
Fig.20)
Foot holes
Foot holes
Fig.20
Handle
Fig.21
Valve cover
4. Connect Ind oor and O utd oo r 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)
Liquid pip e
gas pipe
gas valve
Fig.22
P ip e jo in t
Un io n nut
(3) Pretightening the union nut with hand.
(4) Tighten the union nut with torque wrench .
Refer to the following table for wrench moment of force :
Hex nut diameter(mm) Tightening torque(N m )
06 15~20
09.52 30~40
012 45~55
016 60~65
019 70~75
5. Connect O utdo or E lectric W ire
(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; fix them with screws.(As
show in Fig.23)
Handle
Fig.23
yellow-
green
N(1)
blue black brown
L
brown
(black)
N
©
blue yellow-
green
L N ©
Indoor unit connection PO W ER
Note: the wiring connect is for reference only,
please refer to the actual one.
(2) Fix the power connection wire and signal control wire with
wire clip.
A Note:
(1) A fter tightening the screw, pull the power cord slightly to
check if it is firm.
(2) Never cut the power connection wire to prolong or shorten
the distance.
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)
The drain hos
X can't raise
upwards
Fig.24
U-shaped curve
Drain hose
Fig.25
60
£ Installation and Maintenance
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