9.0 Heating system: 1 - heater radiator; 2 - heater fan; 3 - air distribution damper lever; 4 - drive of air distribution dampers; 5 - cable drive air distribution dampers; 6 - damper cable for mixing hot and cold air
a - air intake; b - air outlet from the windshield vents; c - air outlet from the deflectors on the instrument panel; d- air outlet from floor deflectors
The intake of air for interior heating occurs through the air intake grille located under the windshield. The air is then blown into the cabin by a fan. However, before entering the cabin, the air passes through the cabin air filter, and then is distributed by various dampers to the deflectors.
When the interior heating is turned on, the valve for supplying hot coolant to the heater opens. The air that enters through the air intake grille, when passing through the plates of the heater radiator, heats up and in this state is supplied to the car interior (see illustration 9.0). The heater core is located in the air distribution casing and is heated by hot coolant.
The heating system is based on regulating the temperature of the air supplied to the passenger compartment by respectively increasing or decreasing the proportion of hot and cold air using air dampers.
A multi-speed fan is used to enhance interior heating. To ensure the operation of the heater fan with different speeds, additional resistances are installed. The resistors are located on the fan motor connection board. If the resistance fails, the board in the kit must be replaced.
Attention! RENAULT MEGANE cars can also be equipped with air conditioning.