Installation Manual of Room Air Conditioner
Read this manual before installation
Explain sufficiently the operating means to the user
according to this manual.
Necessary Tools for Installation
1.Driver
5.Torque wrench(17mm,22mm,26mm)
9.Nipper
12.Reamer
2.Hacksaw
3.Hole core drill
4.Spanner(17,19 and 26mm)
6.Pipe cutter
7.Flaring tool
8.Knife
10.Gas leakage detector or
soap-and-water solution
11.Measuring tape
Drawing for the installation of indoor and outdoor units
Accessory parts
Number
of
No. Accessory parts
articles
Remote controller
1
1
2
1
Optional parts for piping
Mark
Parts name
2
R-03 dry battery
A
Non-adhesive tape
Adhesive tape
B
C
D
3
Saddle(L.S) with screws
Mounting plate
Connecting electric cable
for indoor and outdoor
Attention must be paid to
the rising up of drain hose
Drain hose
1
6
E
F
4
Drain hose
Heating insulating material
Piping hole cover
A
4X50
Steel nail, cement
G
5
4
1
6
7
4X25
Screw
Plastic cap
Cover
C
Arrangement of piping directions
Rear left
Cushion
4
8
9
Rear
right
Left
1
1
Pipe supporting plate
Drain-elbow
Right
Below
10
D
E
G
A
The marks from to in the figure are the parts numbers.
The distance between the indoor unit and the floor should be
more than 2m.
No.0010531057
Indoor unit
Connecting the indoor/outdoor Electric Cable
Removing the wiring cover
Remove terminal cover at right bottom corner of indoor unit, then
take off wiring cover by removing its screws.
When connecting the cable after installing the indoor unit
1. Insert from outside the room cable into left side of the wall hole, in which
the pipe has already existed.
2. Pull out the cable on the front side, and connect the cable making a loop.
When connecting the cable before installing the indoor unit
Insert the cable from the back side of the unit, then pull it out on the front side.
Loosen the screws and insert the cable ends fully into terminal block, then tighten the screws.
Pull the cable slightly to make sure the cables have been properly inserted and tightened.
After the cable connection, never fail to fasten the connected cable with the wiring cover.
Note: When connecting the cable, confirm the terminal number of indoor and outdoor units carefully. If wi
is not correct, proper operation can not be carried out and will cause defect.
ring
1. If the supply cord is damaged, it must be replaced by the manufacturer or its service agent or a similar
qualified person. The type of connecting wire is H05/07RN-F or 245IEC57(YZW).
2. If the fuse on PC board is broken please change it with the type of T. 3.15A/250V.
If the fuse of outdoor unit on PC board is broken, please change it with the type of T. 25A/250V.
3. The wiring method should be in line with the local wiring standard.
4. After installation, the power plug should be easily reached.
5. A breaker should be incorporated into fixed wiring. The breaker should be all-pole switch and the
distance between its two contacts should be not less than 3mm.
HSU-09H03/K(F)
HSU-12H03/K(F)
HSU-12C03/K(F)
3
Outdoor unit
Outdoor unit
1.Connection of pipes
To bend a pipe, give the roundness as large as possible not to crush the pipe
Connecting the pipe of gas side first makes working easier.
The max vertical distance between the indoor unit and the outdoor unit is 5 m.
Half union
Flare nut
Forced fastening without careful centering
may damage the threads and cause a
leakage of gas.
Fastening torque
Pipe Diameter
(
)
Spanner
18N.m
40N.m
55N.m
Liquid side 6.35mm(1/4")
Gas side 9.52mm(3/8")
Gas side 12.7mm(1/2")
Torque wrench
Be careful that matters, such as wastes of sands, etc. shall not enter the pipe.
2.Attaching Drain-Elbow
If the drain-elbow is used, please attach it as
figure. (Note: Only for heat pump unit.)
3.Purging Method:
Push the air out of the indoor unit and piping as followes:
Tighten the caps on the valves with specified torque.
Tighten torque N.m
7-9
Valve rod
Valve cap
20-25
When connecting pipe exceeds 5 meters, 20g refrigerant shall be added per
exceeding meter. Charge according to the following list.
for 09k 12k
Piping length
5m
7m
10m
100g
Additional amount
40g
No need
Outdoor unit
Indoor unit
A
A
A
Outdoor unit
Oil trap
B
C
Outdoor unit
B
Indoor unit
Indoor unit
B
Max.Elevation:B=5m
CAUTION
C
In case more than 5 metres，oil trap
should be installed every 5~7m.
Max. Length: for 9k A=7m
for 12k A=10m
4
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