Campomatic AC50MF - Manual (Page 10)

8
PHENOMENA NOT CONCERNING MALFUNCTIONS
The following symbols do not mean the unit is abnormal.
1. Compressor protection Feature
Protection for compressor---The compressor can not operate within 3 minutes.
Warm air control(For cooling and heating models only)
Under the HEAT mode, the indoor fan speed is automatically reduced or stopped to prevent
a cold draft if the set temperature has not been reached under the following three situations:
①Just start heating operation ② Defrosting ③Heating in a low temperature
Defrosting (For cooling and heating models only)
Frost may be generated on Outdoor Heat Exchanger when outdoor temperature is low
and humidity is high, It would lower heating efficiency of the conditioner. The air
conditioner would stop heating operation and start defrosting automatically. After finishing
the defrosting, it will restart heating operation.
①The fans in both of the indoor and outdoor units will stop running during defrosting operation.
② the time of defrosting is different according to the outdoor temperature and frost degree.(For
approximately 4~10 minutes).
③During defrosting, white smog may be come out from outdoor unit. This is caused by quickly
frosted and it's normal operation.
2. White smog discharged from indoor unit
When running on"cooling" mode at a place with high humidity, white smog may come into
being because of high humidity and high difference in temperature.
When the air conditioner finish the defrosting, it will automatically turn to heating operation,
the water produced during defrosting will change into snog and come out from indoor unit.
3. Low noise of air conditioner
When the compressor operating or just stopping, there may be some"ss" sound caused
by the refrigerant flowing between indoor and outdoor unit .
After air conditioner starting or stopping for a short while, there may be some"zz"sound caused
by natural expansion or shrindage of plastic parts because of the temperature change.
4. Dust blowing from indoor unit
After being left unused for long time, the dust may blow out from indoor unit if it is operated again.
5. Odor from indoor unit
The indoor unit absorbs odor of room, furniture or cigarette and emanates them during operation.
6. "Cooling"and"Heating" mode turned to "Fan" mode (Cooling only models without heating)
If the indoor temperature achieves to set one, the air conditioner controller will stop compressor
from running automatically and convert to "Fan" mode. When the temperature increases or
decreases to a certain value, the compressor will restart and the unit will get right
7. When cooling under high humidity condition(relative humidity>80%), condensate may occur
on the surface of indoor unit. Please set the louver at the position with Max. air flow(normal to
vertical direction) and select"High" fan speed.
8. Lightning, car or mobile telephone may cause malfunction of the air conditioner, Please
unplug your unit for several seconds , then connect it again and restart it.