HEATER SYSTEM

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Outline

• The heater system warms the heater core using the engine coolant warmed by the engine operation.

• A PTC heater has been adopted to temporarily improve the A/C unit heating performance for diesel engine vehicles which have good thermal efficiency (with PTC heater).

Construction

• The heater system consists of the following parts.

L.H.D. (SKYACTIV-G 1.5, SKYACTIV-G 2.0, SKYACTIV-G 2.5)

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L.H.D. (SKYACTIV-D 1.5, SKYACTIV-D 2.2)

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L.H.D. (MZR 1.6)

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R.H.D. (SKYACTIV-G 1.5, SKYACTIV-G 2.0, SKYACTIV-G 2.5)

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R.H.D. (SKYACTIV-D 1.5, SKYACTIV-D 2.2)

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R.H.D. (MZR 1.6)

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Function

• The heater system shuttles a portion of the engine coolant into the heater core.

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• For the engine coolant flow, refer to the [COOLING SYSTEM]. (See COOLING SYSTEM [SKYACTIV-G 1.5, SKYACTIV-G 2.0, SKYACTIV-G 2.5].)(See COOLING SYSTEM OUTLINE [MZR 1.6].)(See COOLING SYSTEM [SKYACTIV-D 1.5].)(See COOLING SYSTEM [SKYACTIV-D 2.2].)

Operation

1. The engine coolant warmed by the engine heat is sent to the heater core.

2. The air blown by the blower motor is warmed up by heat exchange when it passes through the heat radiation fin of the heater core.

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