3
Owner's manual
NOTE
Protection measures may activate and stop the unit running
outside of the above conditions.
Features of Heating mode
It takes 3 to 5 minutes for the unit to blow out hot air.
The fan motor in the outdoor unit may stop running under high
temperatures.
If other indoor units are running in Heating mode, the fan may
stop to prevent expelling hot air.
Defrost in Heating mode
In Heating mode, the outdoor unit sometimes frost. To increase
efficiency, the unit will start defrosting automatically (for about
2-10 minutes), and then water will drain out from outdoor unit.
During defrosting, both the fan motors in the outdoor unit and
indoor unit will stop running.
Operation conditions
For normal performance, run the air conditioner under the
following temperature conditions:
●
●
●
●
●
Room
-5°C ~ 48°C 17°C ~ 32°C
Cooling mode
Heating mode
(Cooling only type without)
Mode
Temperature
Outdoor
temperature
Indoor
temperature
Room relative
humidity
below 80%
Table.3-1
-20°C ~ 24°C ≤27°C
Protection Device
This protection device will stop the unit automatically if the air
conditioner is on forced running mode. When the protection
device is activated, the running indicator will light up and the
query light will flash. Protection device may start under the
following circumstances:
cooling operation:
● The air inlet or air outlet of outdoor unit is blocked.
● Strong wind continuously blows from the air outlet of the
outdoor unit.
Heating operation:
● Too much dust is trapped in the dust filter in the indoor unit
CAUTION
Power of the unit and contact your dealer if the following
malfunctions occur. Incorrect ON/OFF operation
Fuse or leakage protector breaks.
Foreign matter or water enters in the unit.
Power cut
● Power the unit off if there’s a power cut.
● When power resumes, the indicator on the wire controller
flashes.
● Push the ON/OFF button again to restart the unit.
Mis-operation
In case of a mis-operation caused by lightning or mobile
wireless device, switch off the power manually. Push
ON/OFF again to restart.
Heating capacity
● The heating process is to absorb heat from outdoors and
expel heat indoors by the hot pump. Once the outdoor
temperature drops, heating capacity degrades
correspondingly.
● Use other heating appliances when the outdoor
temperature is low.
● (See Indoor Unit Operation Manual for detailed
information)
NOTE
Power the unit off when the protection device starts. Do not
restart until the problems are solved.
4. TROUBLES AND CAUSES
4. If you set the unit to only respond to the Heating mode, the indoor
unit will run normally if it is running in Heating mode, but it will
display Mode Conflict if it is running in Cooling or Fan mode.
5. If you set the unit to only respond to the Cooling mode, the indoor
unit will run normally if it is running in Cooling or Fan mode, but it will
display Mode Conflict if it is running in Heating mode.
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