Note; Caution; Introduction 1.1 Scope And Purpose; Meaning Of Warnings, Cautions, And Notes - Webasto Thermo 90 Workshop Manual

Thermo 90
1 Introduction
1.1 Scope and Purpose
This repair shop manual is intended to support
familiarised personnel in the repair of Thermo 90 and
Thermo 90 S for the Diesel and fuel type.
The water heater may only be operated with the specified
fuel (diesel or also fuel oil EL) and the relevant designated
type of electrical connection.
1.2 Meaning of Warnings, Cautions,
and Notes
WARNINGS, CAUTIONS, and NOTES in this manual
have the following meaning:
WARNING
This heading is used to highlight that non-compliance
with instructions or procedures may cause injuries or
lethal accidents to personnel.

CAUTION

This heading is used to highlight that non-compliance
with instructions or procedures may cause damage to
equipment.
This heading is used to highlight and draw specific
attention to information.
1.3 Additional Documentation
to be used
This workshop manual contains all information and
procedures necessary for the repair of heaters Thermo 90
and Thermo 90 S.
The use of additional documentation is normally not
necessary.
Operating instructions/installation instructions and the
vehicle specific installation proposal may be used as
complementary information as necessary.

NOTE

1.4

Safety Information and Regulations

The general safety regulations for the prevention of
accidents and the relevant operating safety instructions
have to be observed at all times.
"General Safety Regulations" beyond the scope of these
regulations are detailed in the following.
The specific safety regulations applicable to this manual
are highlighted in the individual chapters by Warnings,
Cautions, and Notes.

1.4.1 General Safety Notes

Within the scope of the StVZO (Road Licensing
Regulations of the Federal Republic of Germany)
"Design General Approvals", laid down by the Federal-
Office for Motor Traffic, exist for the Water Heater
Thermo 90 with the following official marks of conformity:
~S231 for water heater Thermo 90 and
Thermo 90 S Fuel Type BW 80
~S232 for water heater Thermo 90 and
Thermo 90 S Diesel Type DW 80 and
for water heater Thermo 90-TRS and
Thermo 90 S-TRS Diesel Type DW 80.
The installation of the heaters is to be performed in
accordance with the installation instructions and must be
checked in case of
a) the vehicle type inspection in accordance with
§ 20 StVZO
b) the individual inspection in accordance with
§ 21 StVZO or
c) the examination in accordance with § 19 StVZO
performed by an officially authorised expert or
examiner for road traffic, a vehicle inspector or a
public servant as per section 7.4a of Annex VIII to
the StVZO.
In the event of c) the installation must be certified
on the acceptance certificate included in the copy of the
"General Operating License" giving details about
– manufacturer
– type of vehicle and
– vehicle identification number.
This validates the "Design General Approval". The
acceptance certificate must be kept with the vehicle.
The year of first operation must be permanently
marked on the identification label by removing the
relevant number of the year.
The heaters are cleared for heating the passenger and
driver cabins but not for heating compartments used for
the transportation of dangerous goods.
The use of the heater in special vehicles (e.g. vehicles for
the transportation of dangerous goods TRS) or vehicles
not subject to the StVZO (e.g. ships) is partly governed by
regional regulations.
1 Introduction
101