Doosan DX225LC, Manual

Page: 104 / 136

Electrical System
Page 103
SP000935
Starting
control of
heating (2) Water temperature sensor
Ambient air temperature
sensor
Internal air temperature
sensor
Auto mode
1. Entry condition (AND condition)
(1) Auto Mode
(2) Ambient air temperature < 5°C and difference between
ambient and internal air temperature ??5°C
(3) Failure of water temperature sensor
2. Only one time of engine OFF
o
engine run
3. Starting control of heating is before max heating.
4. Operation release (OR condition)
(1) Airflow: Manual selection
(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) Difference between internal and ambient air
temperature>15°C
(4) When Max Cooling (17°C) is selected.
5. Exceptional case
Starting control of heating is performed only once during
the remaining period if the entry condition is satisfied
within the starting control period that is the accumulation
of initial start times.
(Inclusive of Auto mode "ON" case within the period of
starting control of heater.)
* Airflow should be reduced slowly for up to 12 seconds in
case of exceptional entry case.
Categories Inputs System Operation