Ffh Operating Process - SSANGYONG Kyron Repair Manual

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4. FFH OPERATING PROCESS

Operating Condition

FFH is operated according to the ambient temperature and coolant tempreature.

Initial Operating Conditions of FFH

Initial Operating Conditions of FFH: Ambient temperature: below 5°C

Repeated Operating Conditions of FFH: Coolant temperature: below 75°C

For example, if the initial operating temperature was 4°C, the ambient temperature at repeat operation should

be below 1°C and the coolant temperature should be below 75°C.

FFH Operations According To the Changes of Coolant Temperature

Above graph shows the FFH control process while the FFH is operating.

The control element is coolant temperature as shown in the graph.

The FFH is operated in HI mode (high output: approx. 5,000 W) until the coolant temperature reaches at 80°C

and starts to be operated in LO mode (low output: approx. 2,300 W) from 81°C.

When the coolant temperature reaches at approx. 85°C, FFH stops its operation until the operating conditions

will be met again.

EFFECTIVE DATE

AFFECTED VIN

Coolant temperature: below 75°C

When the difference between the ambient temperature at initial opera-

tion and current ambient temperature is over 3°C (to reduce the hyster-

esis with the temperature difference when operating FFH), FFH is oper-

Water temp. outlet

AIR CONDITIONING SYSTEM

KYRON SM - 2005.09

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