Heat exchanger
Transfers thermal energy; top for cabin heating, bottom for engine cooling.
Cabin blower
Blows air over a heat exchanger to heat the interior.
Engine cooling fan
Cools the engine coolant at the lower heat exchanger.
Heat exchanger
Transfers thermal energy; top for cabin heating, bottom for engine cooling.
ECU (engine control unit)
Controls the engine, cooling and heating system.
Solenoid valve
Controls the coolant flow path electrically if required.
EP (electric coolant pump)
Circulates the coolant through the system as required.
ICE (internal combustion engine)
Generates heat that must be dissipated from the system.
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