Carrier 42QHC012D8S Series - Electronic Function

2
8. Electronic function
Note: Below function only for light commercial, for Hi-wall units, please refer to 1 drive 1 service manuals.
8.1 Abbreviation
T1: Indoor room temperature
T2: Indoor evaporator temperature
T2B: Coil temperature of indoor heat exchanger outlet (This sensor is located in outdoor unit)
T3: Coil temperature of outdoor heat exchanger
T4: Outdoor ambient temperature
T5: Compressor discharge temperature
Ts: Setting temperature
8.2 Icon explanation on indoor display board
8.2.1 Four-way cassette (compact)
8.2.2 A6 Ducted
OPERATION
TIMER
DEF./FAN
ALARM
Temporary button
Operation lamp
Timer indicator
Infrared signal receiver
Alarm indicator
PRE-DEF indicator(cooling and heating type)
or fan only indicator(cooling only type)
MANUAL
Display digital tube
8.2.3 Console