CELO (Cold Engine Lock Out) function Operating conditions A
1. Mode auto
2. Selecting Mode: Bi-level, Floor, Mix
3. Water temperature sensor under 68 ℃
4. Blower auto
5. Setting temperature: 3 ℃ higher than indoor temperature
Operation release
- When the occupant operates blower switch, bower speed will be release.
- When the occupants operates mode switch, mode will be change. But blower motor runs low speed at remains time.
- When the occupants select Max. cool(17 ℃).
- When the detected temperature by WTS exceeds 58 ℃.
Operating conditions B
1. Ambient temp. < 5 ℃
2. Indoor temp. – Ambient temp. ≤ 15 ℃
3. Mode auto
4. Blower auto
Function Prohibition
- When the occupant operates Blower switch.
- Indoor temp. – Ambient temp. > 15 ℃
- When the occupants select Max. cool(17 ℃).
Compressor control
A. Compressor control for evaporator temperature.
1.Function: Protect compressor during winter season.
2.Control pattern:
B. Compressor control for ambient temperature.
1.Function: Protect compressor during winter season.
2.Control pattern:
DIAGNOSIS
The FATC module self diagnosis test feature will detect electrical malfunction and provide error codes for system components with suspected failures.
DTC list & failsafe
P.T.C. (Positive Temperature Coefficient) Heater
A. Principle of operation
To use the vehicles battery power, to be ignited in heater assembly, heating the air. It is a kind of supplementary vehicle heater.
B. PTC Heater operation condition
* Engine rpm: Over 700 RPM
* Ambient temperature : Below 5℃
* Battery voltage : 8.9V -OFF, 12.5V -ON
* Engine coolant temperature : Below 70℃
* Blower motor: ON
* Operating time: 60 minutes
C. PTC Heater operating control pattern
* Engine rpm * Battery voltage
Date: 2016-01-03; view: 1604
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