10
11
Fault Confirmation and Analysis
n
If problems persist after performing the tests below, please stop the air conditioner and
contact our service centre nearest to you to get help.
Fault
Fault analysis
Air conditioner does not operate at all.
u
Is there a power failure
?
Is the unit unplugged
?
Is the power fuse or switch off
?
Is the timer set correctly
?
Remote controller does not display
u
If the operation modes are changed too
any information.
frequently the remote controller may lose function.
If remote controller display is unclear or displays all
symbols, please change the batteries or reset.
Remove and replace batteries.
Cooling and heating efficiency is poor.
u
Is the temperature set to the correct level
?
Are the filters clean
?
Are doors and windows closed
?
Indoor unit fan stops for about 10 minutes
u
This is normal. The unit is defrosting the outdoor
during heating.
unit coil. It should complete this process in about
10 minutes at most. (Freezing occurs when
outdoor temperature is low and humidity is high)
You can hear the sound of running water
u
This is the sound of expanding refrigerant inside
the air conditioner.
Sound of accumulated water dropping on the
heat-exchanger.
The sound of melting frost on heat-exchanger.
Performance Parameters
Model
MSS10 - 1HP
MSS15 - 1.5HP
indoor
outdoor
indoor
outdoor
Function
heat pump type
heat pump type
Power
230V~, 50Hz
230V~, 50Hz
Rated cooling/heating capacity (W)
2000/2400
3500/4000
Standard input power (W)
750(cool)/730(heat)
1300(cool)/1380(heat)
Standard input current (A)
3.5(cool)/3.4(heat)
6.2(cool)/6.6(heat)
Air flow volume (m³/h)
300
450
Dehumidifying capacity (L/h)
1.0
1.6
Protection
I
Water-proof
IP20(INDOOR)
IP24(OUTDOOR)
Climate type
T1
Refrigerant (R22) charge amount (g)
560
1120
Noise dB (A)
31
45
40
48
Net weight (Kg)
10
26
11
37
Dimension (mm) WxHxD
800x183x290
665x295x500
800x183x290
830x310x500
NOTE
1. The indicated noise value is from laboratory test done before leaving the factory.
2. The rated cooling capacity and rated heating capacity value is tested under following conditions.
cooling operation
indoor
27˚C (DB)
19˚C (WB)
outdoor
35˚C (DB)
24˚C (WB)
heating operation
indoor
20˚C (DB)
15˚C (WB)
outdoor
7˚C (DB)
6˚C (DB)
3. All of the above information may be changed without notice. These are the latest and
accurate specifications on the name plate of your air conditioner.
4. Working temperature range:
Maximum cooling
Minimum cooling
Maximum cooling
Minimum cooling
Indoor side (DB/WB (˚C)
32/23
21/15
27/--
20/--
Outdoor side DB/WB (˚C)
43/26
21/15
24/18
-5/-6
5. If air conditioner working voltage exceeds 230V±10% it may operate abnormally.
6. Wiring diagrams of air conditioner (indoor unit/outdoor unit) are attached to the unit.
7. If the power cable or connecting cable is damaged, it must be replaced by its service agent
or similar qualified person in order to avoid a hazard.