Electronic Function; Abbreviation; Display Function - Toyotomi TPN A128 IVP Service Manual

8. Electronic function

8.1 Abbreviation

T1: Indoor room temperature
T2: Coil temperature of evaporator
T3: Coil temperature of condenser
T4: Outdoor ambient temperature
T5: Compressor discharge temperature

8.2 Display function

8.2.1 Icon explanation on indoor display board.
Auto indicator:
This indicator illuminates when the air conditioner is in AUTO operation.
PRE.-DEF. Indicator:
This indicator illuminates when the air conditioner starts defrosting automatically or
when the warm air control feature is activated in heating mode.
OPERATION indicator:
This indicator illuminates when the air conditioner is running.
Timer indicator:
This indicator illuminates when TIMER is set ON/OFF
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