Operation
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In the case of a severe build-up of smoke, unusual
combustion noises or fuel smell, the heater is to be put out
of operation by removing the fuse and may only be
restarted after being inspected by Webasto-trained
personnel.
be operated at least once a month for 10 minutes, with the
vehicle engine cold and at the lowest fan setting. The
heater should be checked annually by a qualified expert,
preferably prior to the heating season commencing.
be operated using the fuel specified on the name plate and
the rated voltage specified on the name plate.
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Failure to follow the installation instructions and the notes
contained therein will lead to all liability being refused 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 revocation of the type
licence for the heater and therefore the General operating
licence / EC type licence.
Liability claims can only be made if the claimant can verify
that he has complied with the servicing and safety
instructions.
The heater :must
Liability claims:
G
Before switching the heater on, set the vehicle heating system to the "warm" position
and the vehicle heater fan to the lowest setting (less power consumption)!
Thereafter, the electronic control unit is in the "fault lock-out" state. Before the heater can
be restarted, the On/Off switch must be set to "Off".
The disconnect switch (Emergency Stop switch) may only be actuated in an emergency
situation since this will shut the heater down without any after-run being performed
(danger of overheating).
For ADR vehicles only:
The Thermo 90 S and Thermo 90 ST heaters are switched on and off by hand using a
switch. Automatic controllers must not be used. These heaters must not be used in FL
type vehicles during loading and unloading and at loading bays. In FL type vehicles the
heaters are switched off automatically and the supply of combustion air is stopped after
a maximum of 40 seconds in the following circumstances:
The vehicle engine is at a standstill; in this case the heater may be switched on again
by hand
-A transport device on the vehicle is started in which case the brief slow-down time is
stopped after 20 seconds (Thermo 90 ST after 40 seconds).
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Ident-Nr. 1301489B 3/0402
Operating and
maintenance instructions
General Information
Maintenance and Safety Information
Dear Webasto Customer !
We assume that the workshop / service center that carried out the installion explained to
you the operation and principle of functioning of your new heater to your complete
satisfaction.This owner's handbook is designed to give you a brief summary of how to
use the Thermo 90 S / Thermo 90 ST heaters.
General type approvals have been issued in the region covered by the European
Directive 70/156/EEC for the Thermo 90 S and Thermo 90 ST heaters, which comply
with Directives 2001/56/EC (Heating systems) and 72/245/EEC (EMC).
In addition to the Road Traffic Act, the requirements of the latest version of the ADR must
also be observed for the installing the Thermo 90 S / Thermo 90 ST heater into vehicles
used to transport hazardous substances.
The installation of the units must be carried out in accordance with the enclosed
installation instructions. The installation must be checked in accordance with the Legal
Provisions for Installation. For details refer to the installation instructions.
The year of the initial operation must be durably marked on the heater's nameplate by
removing the non-applicable years.
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at filling stations and tank farms.
in locations where flammable vapours or dust may
accumulate (e.g. in the vicinity of fuel-, coal-, sawdust or
grain depots).
in enclosed spaces (e.g. garages). This should also be
considered when pre-setting heater operating times or
using the Telestart remote control.
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exposed to temperatures greater than +85°C. Exposure
to such temperatures may cause damage to the
electronic components.
operated without a minimum level of 20% of good quality
antifreeze in the water of the heating circuit.
The heater must be switched :off
Danger of explosions
and asphyxiation
The heater must benot
D
!
Webasto Thermosysteme International GmbH
Postfach 80 - D-82132 Stockdorf - http://www.webasto.de
Thermo 90 S/ 90 ST
