11
5 | Purpose and Version
5 Purpose and Version
5.1
Purpose of the Coolant
Heater
Webasto coolant heaters are used in connection
with the vehicle’s own heating system
to heat the cab
to defrost vehicle windows
to preheat water-cooled engines
to heat boats and motorhomes (recreational
vehicles)
The water heater operates independently of the en-
gine and is connected to the cooling system, the fuel
system and the electrical systems of the vehicle.
5.2
Version Thermo Top EVO
Thermo Top EVO D
Water heater utilizing diesel fuel.
6 Installation Example
6.1
Safety Information
NOTE
The water heater must be installed outside
the passenger cabin.
The requirements of the latest version of
Hazmat regulations must also be observed
for the installation of the heater into
vehicles used to transport hazardous sub-
stances
6.2
Installation Location and
Position
NOTE
If the vehicle manufacturer has issued spe-
cific installation instructions, they must be
followed.
The heater must be installed in as low a position as
possible to allow the heater and circulating pump to
be bled automatically. This is particularly important
as the circulating pump is not self-priming.
The installation must be performed in accordance
with the installation instructions provided in this
manual.
6.2.1
Model plate
The heater model plate must be positioned so that it
cannot be damaged and must be clearly legible when
the heater is installed (otherwise a duplicate model
plate must be used). Inapplicable years must be
removed from the model plate.
6.2.2
CE Mark
The Thermo Top Evo water heater carries the CE
mark since it complies with the regulations in force.
The heater satisfies the requirements of class A. As a
result, the following supplement applies:
Installation in the engine compartment provides suf-
ficient screening of radio interference.
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