Doosan DX225LC, Manual

Page: 103 / 136

Electrical System SP000935
Page 102
Starting
control of
heating (1)
Water temperature sensor
Internal air temperature
sensor
Auto mode
Set Temperature
1. Start condition (AND condition)
(1) When wind direction mode is one of the following
modes in the Auto or manual control mode
- BI-LEVEL, FOOT or FOOT/DEF
(2) The Water temperature sensor is stable and the water
temperature < 73°C
(3) Airflow: Auto mode
(4) Set temperature > Internal air tempe 3°C
* Airflow falls gradually up to 12 seconds when operation
released.
2. One time control in the cycle of engine OFF
o
engine run
3. Initial heating control should be before max heating.
4. Airflow is controlled only when the wind direction is in the
manual mode and BI-LEVEL, FOOT, or FOOT/DEF is set.
5. Control through the water temperature sensor for start.
6. Starting control of heating (2) starts in case of fault of the
water temperature sensor during controlling.
7. Operation release (OR condition)
(1) Only airflow is released if it is selected manually.
(2) When handling the wind direction mode switch, only
wind direction is released but the airflow control is
performed only for the remaining period of the starting
control of heater.
(3) When Max Cooling (17°C) is selected.
(4) Water temperature sensor > 73°C.
Categories Inputs System Operation