Electronic Function; Abbreviation; Display Function; Main Protection - ComfortStar CZP09CD Service Manual

16. Electronic Function

16.1 Abbreviation

T1: Indoor room temperature
T2: Coil temperature of indoor heat exchanger
T3: Coil temperature of condenser
T4: Outdoor ambient temperature
T5: Compressor discharge temperature
Td: Target temperature
Tsc: Adjusted setting temperature

16.2 Display function

16.2.1 Icon explanation on indoor display board
(Duct)
PRE-DEF indicator(cooling and heating type)
or fan only indicator(cooling only type)
Timer indicator
Operation lamp
Temporary button
OPERATION TIMER DEF./FAN ALARM
MANUAL
16.2.2 Icon explanation on indoor display board
(Compact cassette).
16.2.3 Icon explanation on indoor display board
(slim Cassette).
16.2.4 Icon explanation on indoor display board
(Console).
16.2.5 Icon explanation on indoor display board
(Ceiling Floor)
16.2.5 Icon explanation on indoor display board
Alarm indicator (New Cassette).
Infrared signal receiver
Elect ric heat ing
Display digital tube
( some models)

16.3 Main Protection

16.3.1 Three minutes delay at restart for
compressor
1 minute delay for the 1
minutes delay for others.
16.3.2
compressor top
The unit will stop working when the compressor
top temp. protector cut off, and will restart after
the compressor top temp. protector restart.
16.3.3
compressor discharge
When the compressor discharge temp. is
getting higher, the running frequency will be
limited as below rules:
172
indicator
LED display
Timer
indicator
Operat ion
indicator
Temperature
Temperature
Alarm indicator
When w ireless cont rol
feature is activated
( some models)
PRE-DEF indicator
(pre-heating/defrost)
st time stand-up and 3
protection
protection
of
of