Service Manual User Manual

9
 6 Electronic function
 6.1 Terms and definitions
T1: Temperature of indoor ambient (TA)
T2: Temperature of evaporator (TC).
T3: Temperature of condenser (TE)
T4: Temperature of outdoor ambient (T0)
TS: The set temperature.
DAHT: Temperature of discharge (T5)
DAHT: Temperature of discharge (T6)
 6.2 Electric Control working environment
Input voltage: 187~264V for 50Hz models and 97~127V for 60Hz models;
208~230V or 238~291V for 60Hz models
 6.3 Protection function
6.3.1 The compressor functions protection with a delay of three minutes.
6.3.2 Sensor protection at open or short circuit.
6.3.3 Evaporator anti-icing protection at cooling mode.
 6.4 Operation of fan motor
6.4.1. Fan motor is on when compressor is on, Fan motor is off when compressor is off. (except theT2
high Temp. protection).
If there’s only one speed of the fan motor, use the high speed instead of the low speed.
6.4.2. The fan motor operates at the cooling only mode as below: