14
6.5 Heating mode
6.5.1. The heater will be activated by sensing the difference between setting temperature and the actual
ambient room temperature.
(TA-Ts)
℉
2
-2
Operation conditon
Heater off
Heater on
The Electric heater operates as below:
a. When TA
﹤
Ts-2
℉
, the fan motor operates, and 3 seconds later, the heater is on and
operates at low speed within 30 seconds. After 30 seconds, it will change to the setting
speed. If the DAHT temperature checked is higher than the protection temperature, when the
heater operating, the fan motor will be off automatically.
b. When TA
≥
Ts+2
℉
, the heater is off, and the fan motor keeps on working at setting speed. If
the DAHT temperature checked is low than the protection temperature, and the operation
time of fan motor is more than 15 seconds, then the fan motor will be off.
6.5.2. The ION/TIMER/SLEEP/FOLLOW ME functions are valid at the heating mode
6.6 Sensor malfunction
LED display
Stand for
AS
Room temperature sensor error
LO
Sensor protection at open circuit sensor error
HI
Sensor protection at short circuit sensor error
HS
Electric heating sensor error
ES
Evaporator
temperature sensor at open or short circuit