Technical data

BBW 46 / DBW 46 1 Introduction
101
1. Introduction
1.1 Scope and Purpose
This repair shop manual is intended to support
familiarised personnel in the repair of water heaters
BBW 46 and DBW 46 of the fuel and Diesel type.
The heater may only be operated with the specified type
of fuel (Diesel or with fuel oil EL) and the appropriate type
of electrical installation.
1.2 Meanin
g
of Warnin
g
s, 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.
NOTE
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 water heaters
BBW 46 and DBW 46 . 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.
1.4 Safety Information and Re
g
ulations
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 heaters BBW 46
and DBW 46 with the following official marks of
conformity:
– S185 for heater
BBW 46 (fuel)
– S186 for heater DBW 46 (Diesel)
Installation of the heater is to be performed in accordance
with the installation instructions and, in case of a retrofit,
must be checked by an officially authorised expert or
inspector of the Technical Supervisory Association (TÜV)
in accordance with § 19, para. 2 StVZO submitting the
"Operating Instructions" and "Installation Instructions".
With this expertise a new vehicle operating license must
be applied for with the administrative authority (vehicle
licensing agency).
Deviations are only permitted after written
authorisation of the installation plans by an officially
authorised expert or inspector of the Technical
Supervisory Association (TÜV).
The year of the initial operation must be durably
marked on the heater identification plate by removing
the relevant date of the year.
The heaters are cleared for heating the vehicle engine
and the passenger compartment. When using the heaters
in vehicles not subject to the Road Licensing Regulations
(StVZO) (e.g. ships), the applicable partially regional
regulations must be observed.
The heater may only be installed in vehicles or in
independent heating systems with a minimum coolant
capacity of 4.0 litres.