Introduction - Webasto Thermo Top V Workshop Manual

Thermo Top V
1

Introduction

1.1 Contents and purpose
This workshop manual supports personnel trained by
Webasto, who are responsible for repairing the
Thermo Top V auxiliary and additional water heaters in the
petrol and diesel versions.
This manual applies exclusively for the repair of heaters,
which are only installed with a vehicle-specific vehicle kit or
directly at the vehicle manufacturer's plant as original equip-
ment.
1.1.1 Using water heaters
The Thermo Top V water heater was designed for installa-
tion in Class M1 motor vehicles. Installation in Class O, N2,
N3 motor vehicles and hazard substances transports in
accordance with the EC Directive 70/156/EEC and/or EC/
2007/46 (for new vehicle models from 29/04/2009) is not
permissible. The applicable regulations must be taken into
account when installing in special vehicles. No other uses
are permissible.
The Thermo Top V auxiliary water heater is used to compen-
sate the heat deficit on consumption-optimised vehicle
engines and can be upgraded to an additional/auxiliary
heater with an upgrade kit.
The Thermo Top V additional water heater is used:
– to heat the vehicle interior,
– to defrost the vehicle windows,
– to preheat water-cooled vehicle engines.
The heaters are marked on the type label with the text "Pet-
rol" or "Diesel". The heaters may only be operated with the
fuel specified on the type label (for information on diesel
and petrol fuel, see Chapter 4) and only with the respec-
tively specified type of electrical connection.
1.2 Meaning of signal words
Throughout this manual, the signal words WARNING,
IMPORTANT and NOTE have the following meanings:
WARNING
This heading is used to highlight operating instructions or
procedures which, if not or not correctly followed, may
result in personal injury or fatal accidents.
IMPORTANT
This heading is used to highlight operating instructions or
procedures which, if not or not correctly followed, may
result in damage to the equipment or its components.
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This heading is used to direct your attention to a special fea-
ture deemed essential to highlight.
1.3 Additional documentation to be used
This workshop manual contains all necessary information
and instructions for the repair of Thermo Top V water heat-
ers.
Normally, there is no need to use additional documentation.
If necessary, the operating instructions and/or the installa-
tion suggestion for the specific vehicle may also be
used.When working on OEM heaters and performing diag-
nostic work on them, the instructions of the respective vehi-
cle manufacturer must be followed.
1.4 Statutory regulations and safety
instructions
1.4.1 General safety instructions
In principle, the general accident prevention regulations and
current works safety instructions are applicable.
Any special safety regulations relevant to this instruction
manual will be highlighted in the relevant sections or text
passages of the procedures.
The repair and commissioning of the unit may only be car-
ried out by personnel trained by Webasto. The unit may only
be installed professionally in accordance with the installa-
tion instructions.
The heater must not be operated:
• In filling stations and tank farms.
• At locations at which highly flammable gases or dusts
can form, and at locations at which highly flammable
liquids or solid materials are stored (e.g. near fuel, coal
and wood dust, grain warehouses, dry grass and leaves,
cardboard , paper, etc.).
• In closed rooms (e.g. garages), not even via the timer or
Telestart.
The heater:
• may not be subjected to temperatures of more than
120 °C (storage temperature).
• must be operated with at least a 20 % mix of a brand-
name antifreeze in the water of the heating circuit.
• may only be operated with the fuel and the nominal
voltage specified on the type label.
• must be shut down by immediately switching off the
heater and removing the fuse in case of heavy smoke,
unusual combustion noises or fuel odours. Restarting
may only be carried out by personnel trained by Webas-
to after the unit has been checked.
1 Introduction
NOTE
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