Care And Maintenance; Points To Note - Carrier G Series Cooling Owner's Manual

CARE AND MAINTENANCE

POINTS TO NOTE

Operating Condition
¶UTemperature ranges which are suitable for unit operation are as follows:
M O D E I N D O O R
C O O L 21 ~ 32°∆ c
D RY 17 ~ 32°∆ c
¶UWhen the unit operates above or below these conditions for a long time, system diagnostics may detect a
malfunction and the unit will not operate properly.
¶UIf the unit operates for a long time under abnormal situation of extremely high humidity, condensed water
may drip from the unit.
Time Delay
¶UIn normal operation, there is a time delay of three minutes between compressor turning off and turning back on
including initial power up.
Minimum Operation Time
¶U After compressor turns on, it will operate for 3 minutes regardless of temperature condition.
Auto Recovery
¶UWhen the electricity fails while the unit is operating, the unit memorizes the operating condition, and it will
start operation automatically when the electricity is restored.
¶U When you leave home during an electricity failure, please unplug the power cord, or the unit will automatically
restart in your absence.
F rost Prevention of Indoor Unit
When the unit is operates at a low ambient temperature, frost may appear on the indoor coil. When the indoor
coil temperature is below 0
Normal Operation
Any of the following can occur during normal operation:
¶UA sound like a "GURGLE" can sometimes be heard during operation or when the unit stops.
- It is the sound of the refrigerant flowing through the unit.
¶UBad smells can come from the unit.
- Smells such as smoke or cosmetics can accumulate while room air circulates through the unit.
- Cleaning the filters will reduce this problem.
¶UUNIT ON lamp on the indoor unit displays flashes and no air comes from the unit.
- It indicates malfunction of the unit and the compressor will stop operating.
¶UA "BAK-BAK" sounding noise can sometimes be heard during operation or when the unit turns on.
- It is the sound of plastic expanding due to an abrupt temperature change.
O U T D O O R
21 ~ 43°∆ c
12 ~ 43°∆ c
°...
, the microcomputer makes the compressor stop to protect the unit from frost.
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