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Use / Version
2.1.
Use of the water heaters
2.1.1.
Parking heater
The Thermo Top Z/E/C water heaters were designed for installation in Class
M1 motor vehicles. Installation in Class O, N2 and N3 motor vehicles and
vehicles for transporting hazardous substances is not permissible. When in-
stalling in special vehicles, the applicable regulations must be taken into ac-
count. Other uses are possible in consultation with Webasto.
The Webasto Thermo Top E, C and Z/C water heaters is used in conjunction
with the original vehicle heating system
– to heat the passenger compartment,
– to defrost the vehicle windows,
– to preheat water-cooled engines (if technically possible).
The water heaters operate independently of the vehicle engine and are in-
tegrated in the vehicle's cooling system, fuel system and electrical system
2.1.2.
Auxiliary heater
The Webasto Thermo Top Z water heater operates depending on the vehi-
cle engine and is integrated in the vehicle's cooling system, fuel system and
electrical system.
When the engine is switched off, the water heater unit is automatically
also switched off and the fuel supply is cut off within 5 seconds.
Technical Information
2.2.
Version
Thermo Top E - B Parking Heater/Auxiliary Heater
Water heater for "petrol" fuel
Thermo Top E - D Parking Heater/Auxiliary Heater
Water heater for "diesel" fuel
Thermo Top C - B Parking Heater/Auxiliary Heater
Water heater for "petrol" fuel
Thermo Top C - D Parking Heater/Auxiliary Heater
Water heater for "diesel" fuel
Thermo Top C - PME Parking Heater/Auxiliary Heater
Water heater for "biodiesel" fuel
Thermo Top Z - D Auxiliary Heater
Water heater for "diesel" fuel
Thermo Top Z - PME Auxiliary Heater
Water heater for "biodiesel" fuel
Thermo Top Z/C - D Parking Heater/Auxiliary Heater
Thermo Top Z upgraded to parking heater for "diesel" fuel
The Thermo Top Z/E/C water heaters are designed for 12 V.
See chapter 15, "Technical Data" for the technical design.
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