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 ℃.

		Mode
		Auto High
	Auto Low
		Blower Off

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: 1760