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Heat Controller, Inc. VMH SERIES Service Manual
18
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
TS: Preset temperature.
8.2 Display function
8.2.1 Icon explanation on indoor display board.
TIMER display
Illuminated during Timer operation.
CLEAN AIR display(optional)
Illuminated when Ionizer is activated.
TURBO operation display
Illuminated when TURBO function is selected in cooling or in heating
mode.
DIGITAL DISPLAY
Display’s the current set temperature or fault error code when the air
conditioner is in operation. When the SELF CLEAN feature is activated, it
display’s.
“SC”
FAN SPEED display
Display’s the selected fan speed: LOW( ), MED( ) and
HIGH(
).
Operation Frequency display
This display is separated into five zones. The zones illuminate based on
the compressor current frequency. For example, higher frequency will
illuminate more zones.