Service manual
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9 Electronic function
9.1 Electronic control working environment
Input voltage: 198~253V
Input power frequency: 50/60Hz
Ambient temperature: -7°C+43°C
Indoor fan normal working amp is less than 1A
Outdoor fan normal working amp is less than 1.5A
Four-way valve normal working amp is less than 1A
Swing motor: DC12V
Compressor: single-phase power supply. Its normal working amp is less than 15A
9.2 Proper symbols and their meaning
TA: Indoor ambient temperature
TE: Indoor evaporator temperature
TS: Setting temperature through the remote controller
I3sec: Self-protection amp of compressor, continue three seconds until turns off the compressor.
I5MIN: Self-protection amp of compressor, continue five minutes until turns off the compressor.
IFAN: Self-protection amp of outdoor fan/indoor fans when they change from higher wind to lower wind.
IRESTORE: Amp self-protection return value
THDEFROST: High wind, defrosting temperature difference
TMDEFROST: Middle wind, defrosting temperature difference
TLDEFROST: Low wind, defrosting temperature difference
TE1: Anti-cold wind, from Fan Off to Breeze temperature
TE2: Anti-cold wind, from Breeze to Setting Fan Speed temperature
TE3: Anti-cold wind, from Setting Fan Speed to Breeze temperature
TE4: Anti-cold wind, from Breeze to Fan Off temperature
TE5: Evaporator low temperature protection entering temperature
TE6: Evaporator low temperature protection restoring temperature
TE7: Evaporator high temperature protection, compressor off temperature
TE8: Evaporator high temperature protection, fan off temperature
TE9: Evaporator high temperature protection, restoring temperature
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