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WEBASTO THERMO 300 1INTRODUCTION
1-1
1. Introduction
1.1 Scope and Purpose
This manual is intended to support authorized Webasto
trained distributors, dealers and personnel in the
installation and servicing of Thermo 300 coolant heaters.
Webasto Thermosystems, Inc. does not recommend the
installation and servicing of Webasto products by
untrained, unauthorized personel or end-users.
Installations and servicing of Webasto products by
untrained, unauthorized personnel and end-users will
release Webasto Thermosystems, Inc. and Webasto
authorized distributors, dealers and personnel from
responsibility for damage to Webasto product or
collateral property and personal injury.
Any use, operation, installation, modification or
application of the product not described in Webasto
manuals, or subjecting the product to extreme or unusual
conditions beyond the limits of specified performance
characteristics is misuse of the product.
Failure to comply with all installation instructions is a
misuse of Webasto product. The same applies for
repairs without using genuine Webasto service parts.
This will void the coolant heaters “Official Marks of
Conformity.”
1.2 Meaning of Warnings, Cautions,
and Notes
Warnings, Cautions and Notes in this manual have the
following meaning:
1.3 Additional Documentation to be
Used
This manual contains all of the information and
procedures necessary for the installation of the
Thermo 300 heater.
The use of additional documentation is normally not
required. Vehicle specific installation guides (when
available) may be used as complimentary information
only.
1.4 General Safety Regulations and
Information
The general safety regulations for the prevention of
accidents and relevant operating safety instructions must
be observed at all times.
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
The heater may only be installed in vehicles, with a
minimum coolant capacity of 2.6 US Gal. (10 litres).
The heater must not be installed in the passenger
compartments of the vehicle. Should the heater be
installed in such a compartment, the installation box must
be sealed tight against the vehicle interior. There must
be sufficient ventilation of the installation box from the
exterior in order not to exceed a maximum temperature
of 140 °F (60 °C) in the installation box. Excessive
temperatures may cause malfunctions.
NOTE:
This heading is used to highlight and draw specific
attention to information.
CAUTION
This heading is used to highlight that
non-compliance with instructions or procedures may
cause damage to equipment.
WARNING
This heading is used to highlight that
non-compliance with instructions or procedures may
cause injuries or lethal accidents to personnel.
WARNING
Due to the danger of poisoning and suffocation, the
heater must not be operated in enclosed areas, such as
garages or workshops, without an exhaust venting
system, not even if the start-up is activated by the timer
or remote start device.
At filling stations and fuel depots the heater must be
switched off as there is a potential danger of explosions.
Where flammable fumes or dust may build up (e.g. in the
vicinity of fuel, coal, wood, cereal grain deposits or
similar situations) the heater must be switched off to
prevent explosions.