4. TROUBLES AND CAUSES
3
owner's manual
NOTE
Protective device may start if running the unit outside the
above condition, which will prevent the unit from operation.
Features of heating operation
Warm air will not be blown out immediately at the beginning of
the heating operation, after 3~5minutes (depends on the indoor
and outdoor temperature), until the indoor heat exchanger
become hot, then blows out warm air.
During operation, the fan motor in the outdoor unit may stop
running under high temperature.
During Fan operation, if other indoor Units are running on
heating mode, the fan may stop in order to prevent sending heat
wind.
Defrost in the heating operation
During heating operation, outdoor unit sometimes will frost. To
increase efficiency, the unit will start defrosting automatcally
(about 2~10 minutes), and then water will be drained out from
outdoor unit.
During defrosting, both the fan motors in the outdoor unit and
indoor unit will stop running.
Operation conditions
For proper performance, run the air conditioner under the
following temperature conditions:
●
●
●
●
●
Room
-5°C ~ 48°C
-5°C ~ 24°C
17°C ~ 32°C
17°C ~ 32°C
Cooling mode
Cooling mode
Heating mode
Heating mode
Mixed mode
Mode
Temperature
Outdoor
temperature
Indoor
temperature
Room relative
humidity
below 80%
Table.3-1
-20°C ~ 24°C
≤
27°C
≤
27°C
Protection Device
This protection device will stop the unit automatically in case
the air conditioner is on forced running mode. When protection
device is activated, running indicator light is lightened and
query light flashes.Protection device may start under the
following circumstances:
cooling operation:
●
The air inlet or air outlet of outdoor unit is blocked.
●
Strong wind is continuously blowing to the air outlet of the
outdoor unit.
heating operation:
●
Too much dust and rubbish adhere to the dust filter in the
indoor unit
CAUTION
In case the following malfunctions, please switch off the
power and contact the local dealer.Incorrect ON/OFF
operation
Fuse or leakage protector is frequently broken.
Foreign matter or water falls in the unit.
NOTE
Please switch off the power when protection device starts.
Do not restart until the problems are solved.
Power cut
●
If power is cut during operation, stop all the operation
immediately.
●
Power comes again. The operation indicator on the wire
controller flashes.
●
Push the ON/OFF button again if you want to restart the
unit.
Mishanding in operation
In case of mishandling caused by lighting or mobile wireless,
please switch off the manual power off the manual power.
Push ON/OFF again when restarting.
Heating capacity
●
The heating process is :absorb heat from outdoor, while
expel heat to indoor by hot pump. Once the outdoor
temperature drop down, heating capacity is degraded
correspondingly.
●
It is command to equip with other warming facility, when
outdoor temperature is low.
●
It is better to equip with additional purchase indoor
auxiliary heating device in paramos area where is in
particularly low outdoor temperature.(See Indoor Unit
Operation Manual for detail information)