Introduction - Webasto Thermo Pro 90 Workshop Manual

1 Introduction

1 Introduction
1.1 Contents and purpose
This workshop manual serves to support instructed person-
nel, which repairs the Thermo Pro 90 water heater.
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.
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 Pro 90 water heat-
ers.
Information of the general installation and operating
instructions is not contained in this workshop manual. If
repairs are necessary, these documents must also be used.
1.4 General safety precautions
In principle, the general accident prevention regulations and
current works safety instructions are applicable.
"General safety precautions" which go beyond the scope of
these regulations are listed in the following.
Any special safety regulations relevant to this instruction
manual will be highlighted in the relevant sections or text
passages of the procedures.
1.4.1 Statutory regulations governing
installation
Homologation approvals according to the EC Directives 72/
245/EEC (EMC), ECE-R 10 (EMC), 2001/56/EC (Heating) and
ECE R-122 (Heating) and ECE R-10 03 (EMC) exist for the
Thermo Pro 90 heater.
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NOTE
For the installation, primarily the regulations of Appendix VII
of the Directive 2001/56/EC and the regulations contained
in the installation instructions must be observed.
The regulations of these guidelines are binding in the scope
of the EU Directive 70/156/EEC and/or EC/2007/46 (for new
vehicle models from 29/04/2009) and should also be
observed in countries in which there are no special regula-
tions!
The Thermo Pro 90 water heater was designed for use in
commercial vehicles. The applicable regulations must be
taken into account when installing in special vehicles. Other
uses must be clarified with Webasto in advance.
1.4.2 General safety precautions
The repair and commissioning of the unit may only be car-
ried out by personnel trained by Webasto. The repair and
installation of the unit may only be carried by trained experts
in accordance with the workshop manual and the installa-
tion instructions.
The year of initial start-up must be permanently
marked on the type label by removing the inapplica-
ble years.
The heaters are approved for heating the motor vehicle
engine and the vehicle cab, however not for heating the
hazardous-material cargo area.
The heater may only be installed in motor vehicles or in inde-
pendent heating systems with a minimum coolant quantity
of 6 litres.
The heater may not be installed in the cab or the passenger
compartment of vehicles. If the heater is nevertheless
installed in an area of this type, then the installation box
must be sealed off tight to the vehicle interior. The installa-
tion box must be sufficiently ventilated from the outside so
that a maximum temperature of 60 °C is not exceeded in
the installation box. Malfunctions can occur if this tempera-
ture is exceeded.
When checking the coolant level, the procedure described
by the vehicle manufacturer must be followed.
Non-compliance with the installation instructions and the
warnings contained therein will lead to the exclusion of all
liability by Webasto. The same applies if repairs are carried
out incorrectly or with the use of parts other than genuine
spare parts. This will result in the invalidation of the General
Type Approval for the heater and therefore of the General
Homologation of the vehicle.
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Thermo Pro 90
NOTE: