Haier HSU 1218CR03 User Manual

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
2
R-03 dry battery  
G
3
Optional parts for piping  
Mounting plate  
Mark  
A
Parts name  
1
4
Non-adhesive tape  
Adhesive tape  
Drain hose  
B
C
D
4X50  
Steel nail, cement  
5
6
4
Saddle(L.S) with screws  
F
Connecting electric cable  
for indoor and outdoor  
Attention must be paid to  
the rising up of drain hose  
A
6
7
4X25  
Screw  
Plastic cap  
Drain hose  
E
F
Heating insulating material  
Piping hole cover  
1
1
Drain-elbow  
Cover  
G
8
9
C
Cushion  
4
Arrangement of piping directions  
Rear left  
Rear  
right  
Left  
Right  
Below  
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.0010515221  
Indoor unit  
1.Fitting of the Mounting Plate and Positioning of the wall Hole  
When the mounting plate is first fixed  
1. Carry out, based on the neighboring pillars or lintels, a proper leveling for the plate to be fixed against the wall,  
then temporarily fasten the plate with one steel nail.  
2. Make sure once more the proper level of the plate, by hanging a thread with a weight from the central top of  
the plate, then fasten securely the plate with the attachment steel nail.  
3. Find the wall hole location A using a measuring tape  
B=60mm  
A=145mm  
When the mounting plate is fixed side bar and lintel  
Fix to side bar and lintel a mounting bar, Which is separately sold, and then fasten the plate to the fixed  
mounting bar.  
Refer to the previous article, " When the mounting plate is first fixed ", for the position of wall hole.  
2.Making a Hole on the Wall and Fitting the Piping Hole Cover  
Make a hole of 60 mm in diameter,  
slightly descending to outside the wall.  
Install piping hole cover and seal it  
off with putty after installation  
Indoor side  
Wall hole  
60mm  
Outdoor side  
Thickness  
of wall  
Piping hole pipe  
G
(Section of wall hole)  
3.Installation of the Indoor Unit  
Drawing of pipe  
[ Rear piping ]  
Draw pipes and the drain hose, then fasten them with the adhesive tape  
[ Left Left-rear piping ]  
In case of left side piping, cut away, with a nipper, the lid for left piping.  
In case of left-rear piping, bend the pipes according to the piping direction to the mark of hole for left-rear  
piping which is marked on heat insulation materials.  
3
Indoor unit  
1. Insert the drain hose into the dent of heat insulation materials of indoor unit.  
2. Insert the indoor/outdoor electric cable from backside of indoor unit, and pull it out on the front side, then  
connect them.  
3. Coat the flaring seal face with refrigerant oil and connect pipes.  
Cover the connection part with heat insulation materials closely, and make sure fixing with adhesive tape  
Heat insulation  
Piping  
material  
Pipe supporting plate  
Lid for right piping  
Lid for under piping  
Lid for left piping  
Drain hose  
Indoor/outdoor  
electric cable  
Drain hose  
Indoor/outdoor electric cable and drain hose must be bound with refrigerant piping by protecting tape.  
[Other direction piping]  
Cut away, with a nipper, the lid for piping according to the piping direction and then bend the pipe according  
to the position of wall hole. When bending, be careful not to crash pipes.  
Connect beforehand the indoor/outdoor electric cable, and then pull out the connected to the heat insulation  
of connecting part specially.  
Fixing the indoor unit body  
Hang surely the unit body onto the upper notches of the  
mounting plate. Move the body from side to side to verify  
its secure fixing.  
In order to fix the body onto the mounting plate,hold up  
the body aslant from the underside and then put it down  
perpendicularly.  
4.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.  
4
Indoor unit  
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 wiring  
is not correct, proper operation can not be carried out and will cause defect.  
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.  
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.  
Indoor unit  
Outdoor unit  
Connecting wiring:  
-mod 12:  
Power cable:  
-mod 12:  
3G1.0mm2  
3G1.0mm2  
3G1.5mm2  
3G1.5mm2  
-mod 18:  
-mod 18:  
claw of the clip  
5.Easily-demount cleaning of indoor unit  
1.Top inlet can be taken down  
Open the inlet grille, press the claw of the clip on the unit,then  
take down the top inlet.(according to figure 1)  
Figure 1  
Figure 2  
2.Horizontal flap can be taken down  
Overturn the horizontal flap, press the claw of the clip ,then take  
down horizontal flap.(according to figure 2)  
Daff  
3.Vertical louvers can be taken down  
After taking down horizontal flap.vertical louvers are appeared,  
draw the middle louver,and take down the horizontal louvers .  
(according to figure 3)  
Figure 3  
5
Outdoor unit  
1.Installation of Outdoor Unit  
Drawing for the installation of indoor and outdoor units  
Install according to  
2.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.  
Flare nut  
Half union  
Forced fastening without careful centering  
may damage the threads and cause a  
leakage of gas.  
Fastening torque  
18N.m  
Pipe Diameter  
(
)
Liquid side 6.35mm(1/4")  
Gas side 12.7mm(1/2")  
55N.m  
Spanner  
Torque wrench  
Be careful that matters, such as wastes of sands, etc. shall not enter the pipe.  
3.Connection  
Use the same method on indoor unit. Loosen the screws on terminal block and insert the plugs fully into  
terminal block, then tighten the screws.  
Insert the cable according to terminal number in the same manner as the indoor unit.  
If wiring is not correct, proper operation can not be carried out and controller may be damaged.  
Fix the cable with a clamp.  
4.Attaching Drain-Elbow  
If the drain-elbow is used, please attach it as  
figure. (Note: Only for heat pump unit.)  
6
Outdoor unit  
6.Purging Method:To use vacuum pump  
Push the air out of the indoor unit  
and piping as followes:  
(1) Remove the valve cap on 2-way  
valve in outdoor unit.  
(2) Loosen by 1/2 turn the flare nut of  
gas pipe, which is conneted to  
3-way valve.  
3-way valve  
12.7mm(1/2")  
2-way valve  
6.35mm(1/4")  
o
(3) Loosen 2-way valve by 90 using  
hexagon wrench, and after approx.  
10 sec tighten it up. Gas comes out  
through flare nut on wide pipe. If no  
gas is discharged, tighten flare nut  
with specified torque.  
HSU-12CR03-Y  
HSU-18CR03-Y  
(4) Open 2-way and 3-way valves  
using specified torque.  
(5) Tighten the caps on the valves  
with specified torque.  
Tighten torque N.m  
Valve rod  
Valve cap  
7-9  
20-25  
When connecting pipe exceeds 5 meters, 20g refrigerant shall be added  
per exceeding meter. Charge according to the following list.  
Piping length  
5m  
7m  
10m  
40g  
100g  
Additional amount  
No need  
Note: When extending piping, air inside piping shall be removed by using external  
refrigerant gas, charge according to the following list.  
Brand new outdoor unit is charged 50g more refrigerant than regulated weight.  
Only for first installation, this extra 50g can be used to purge air in pipes.  
During this procedure, 50g refrigerant will be discharged in piping.  
o
(This must be strictly controlled within 90 and 10 sec.)  
7
1.Power Source Installation  
The power source must be exclusively used for air conditioner. (Over I0A)  
In the case of installing an air conditioner in a moist place, please install an  
earth leakage breaker.  
For installation in other places, use a circuit breaker as far as possible.  
2.Cutting and Flaring Work of Piping  
Pipe cutting is carried out with a pipe cutter and burs must be removed.  
After inserting the flare nut, flaring work is carried out.  
A
Pipe diameter(  
)
Size A(mm)  
0.8~1.5  
Liquid side 6.35mm(1/4")  
Gas side  
12.7mm(1/2")  
1.2~2.0  
Flare tooling die  
Incorrect  
Correct  
Lean Damage of flareCrack  
Partial Too outside  
3.On Drainage  
Please install the drain hose so as to be downward slope without fail.  
Please don't do the drainage as shown below.  
Less than 5cm  
The end is immersed  
in water.  
It waves.  
The gap with the ground  
is too small  
There is the bad smell  
from a ditch  
It becomes high  
midway.  
Please pour water in the drain pan of the indoor unit, and confirm that drainage is  
carried out surely to outdoor.  
In case that the attached drain hose is in a room, please apply heat insulation  
to it without fail.  
Check for Installation and Test Run  
Please kindly explain to our customers how to operate through the instruction manual.  
Check Items for Test Run  
Put check mark  
in boxes  
Gas leak from pipe connecting?  
Heat insulation of pipe connecting?  
Are the connecting wirings of  
indoor and outdoor firmly inserted  
to the terminal block?  
Is drainage securely carried out?  
Is the earth line securely  
connected?  
Is the indoor unit securely fixed?  
Is power source voltage abided  
by the code?  
Is the lamp normally lighting?  
Are cooling and heating (when  
in heat pump) performed normally?  
Is the operation of room temperature  
regulator normal?  
Is the connecting wiring of indoor  
and outdoor firmly fixed?  
Is there any noise?  
8

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