Thermo Top Evo 2 General description
201
2 General description
The Thermo Top Evo water heater is used to compensate
the heat deficit which results with consumption-optimised
vehicle engines.
The Thermo Top Evo parking heater is used:
– to heat the vehicle interior,
– to defrost the vehicle windows,
– to preheat water-cooled vehicle engines.
The Thermo Top Evo auxiliary heater can be upgraded to a
parking-auxiliary heater with an additional kit.
As the external appearance is identical, the heaters are
marked with "Petrol" or "Diesel on the type label; there is
no special marking for the auxiliary heater. The heaters may
only be operated with the predetermined fuel and only with
the respectively specified type of electrical connection.
NOTE
This workshop manual describes the retrofit variant of the
heater. For heaters installed directly at the vehicle manufac-
turer's plant, other control units with other connectors and
other software and other application parts may be used
which are not described in this manual. Information is only
available for these heaters via the documentation of the
vehicle manufacturer.
The heater designed according to the evaporator principle
operates in the full-load and partial-load mode, controlled
by the temperature sensor.
The heater consists of the combustion-air fan unit (G) with
the control unit, the heat exchanger (W) with the water con-
nection piece and the burner.
Fig. 201 Thermo Top Evo
G
G = Combustion air fan assembly
B = Heat exchanger assembly
W
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