General; Purpose Of This Document; Using This Document; Warranty And Liability - Webasto Dual Top ST 6 Operating Instructions Manual

1

General

1.1

Purpose of this document

The Operating Instructions (OI) are an integral part of the
product and provide the information required to ensure correct
and safe operation.
NOTE
The availability of functions depends on the installed
heater.
To access further documents, use one of the following:
n The Webasto Service App
To download the app from the Apple App Store, browse to
https://apps.apple.com/ or scan the following QR code.
To download the app from the Google App Store, browse
to https://play.google.com/ or scan the following QR
code.
To use the Webasto Service App and access the online Webasto
technical documentation, please scan the QR code or the bar-
code on your Webasto product box.
n The Webasto Dealer Portal
(https:dealers.webasto.com)
Operating Instructions are also available from the Webasto
website at www.webasto.com. The Webasto site for your
country is likely to have these instructions in your local lan-
guage.
1.2

Using this document

u
Read these Operating Instructions (OI) carefully before oper-
ating the unit.
The Operation instructions are available in several other lan-
guages on the Dealer Portal. To acces documents in your lan-
guage, see: chapter 1.1, "Purpose of this document" on page
3.
u
Please pass this document on to the next owner or user of
the unit.
1.3

Warranty and liability

Webasto shall not assume liability for defects or damages that
are the result of disregarding the installation and operating in-
structions. This liability exclusion particularly applies to:
n Installation by untrained personnel.
n Improper use.
n Repairs not carried out by a Webasto service workshop.
n Use of non-genuine parts.
n Conversion of the unit without permission from Webasto.
n Mechanical damage to the equipment.
n Non-compliance with inspection and maintenance instruc-
tions.
1.4

Use of symbols

DANGER
This signal word denotes a hazard with a high degree
of risk which, if not avoided, may lead to death or seri-
ous injury.
9026381C Dual Top ST 6 _ 8 - OI
WARNING
This signal word denotes a hazard with a moderate de-
gree of risk which, if not avoided, may lead to minor or
moderate injury.
CAUTION
This signal word denotes a hazard with a low degree of
risk which, if not avoided, may lead to minor or moder-
ate injury.
NOTE
This symbol denotes a special technical feature, or (if
not observed) potential damage to the product.
This symbol refers to separate documents which may be
enclosed or can be requested from Webasto.
2 Maintenance and safety
information
The year in which the heater was first used must be perman-
ently displayed on the identification plate by deleting the non-
applicable years from the plate.
The heater is not designed for heating hazardous substance
transport compartments.
The heater/boiler is designed to heat air and water.
CAUTION
Make sure to use fresh drinking water when filling the
water tank of the vehicle / boiler.
The heater complies with drinking water regulations.
(see chapter 10.2, "Drinking water conformity" on page
18).
In the following text, the term 'water' is used.
CAUTION
To prevent any harm, follow the instructions in
chapter 6, "Maintenance" on page 16.
u If no water has been taken from the water supply
system for a week or more, then drain the entire
system and rinse it thoroughly before refilling it. See
chapter 6, "Maintenance" on page 16.
u To avoid micro-organisms, water must not stay in
the boiler longer than two weeks.
u
You must clean the boiler properly if the boiler con-
tained the same water for over two weeks.
u
You must make sure that no dirt or soiling can get
into the water circuit. In order not to affect the wa-
ter quality and the heater efficiency, regular descal-
ing is advisable, depending on the degree of hard-
ness of the water used. See chapter 6, "Mainten-
ance" on page 16.
Webasto allows the operation of the Dual Top ST up to an alti-
tude of 2,200 m / 7,217 feet.
If the Dual Top ST has to be operated above this altitude, con-
sult your Webasto Service Centre.
If the vehicle in which the Dual Top ST was installed becomes
involved in an accident, or if the Dual Top ST is dropped, you
must return it to an authorized Webasto Service Centre for
safety inspection and repair.
Warranty claims can only be made if it can be verified that the
claimant has complied with the servicing and safety instructions.
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