HEATER SYSTEM
id071100002500
Outline
• The heater system warms the heater core using the engine coolant warmed while the engine is operating, and warms the air passing through the heater core.
Function
Heater core
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• The heater system intakes a portion of the warmed engine coolant into the heater core and circulates it.
PTC heater (With PTC heater)
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• The heater system warms the air passing in the A/C unit using the heat generated by the PTC heater.
Structural View
• The heater system consists of the following parts.
SKYACTIV-G 1.3, SKYACTIV-G 1.5
SKYACTIV-D 1.5
Operation
Heater core
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1. Engine coolant flows into the heater core by the operation of the water pump.
2. When the warmed engine coolant circulates in the heater core, the heater core warms up.
3. The air passing through the warmed heater core is warmed by heat exchange.
PTC heater (With PTC heater)
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• For the PTC heater operation, refer to the [PTC HEATER]. (See
PTC HEATER.)
