Webasto Air Top Evo 3900 Workshop Manual - page 7
Air Top Evo 3900/5500
1 Introduction
101
1
Introduction
1.1
Contents and purpose
This workshop manual is designed to assist trained
personnel
with repairing both the petrol and the diesel versions of the
Air Top Evo 3900/5500 air heaters.
1.1.1 Use of the air heaters
The Webasto Air Top Evo 3900 and Air Top Evo 5500 air
heaters are designed
–
to heat cabins, boats, trucks, minibuses, vans,
ambulances and motorhomes
–
to defrost vehicle windows
–
to heat cargo
They are not designed for heating cargo areas used to
carry hazardous substances.
The heaters operate independently of the engine and are
connected to the fuel tank and the electrical system of the
vehicle.
They may be used for vehicles with either water or air-
cooled engines.
1.2
Meaning of signal words
Throughout this manual, the signal words WARNING,
IMPORTANT and NOTE have the following meanings:
WARNING
This heading is used to highlight operating instructions or
procedures which, if not or not correctly followed, may
result in personal injury or fatal accidents.
IMPORTANT
This heading is used to highlight operating instructions or
procedures which, if not or not correctly followed, may
result in damage to the equipment or its components.
NOTE
This heading is used to direct your attention to a special
feature deemed essential to highlight.
1.3
Additional documentation to be used
This workshop manual contains all the information and
instructions required for repairing the Air Top Evo 3900
and Air Top Evo 5500 air heaters.
Normally, there is no need to use additional
documentation. If necessary the operating / installation
instructions and the installation suggestion for the specific
vehicle may also be used.
1.4
Statutory regulations and safety
instructions
In principle, the general accident prevention regulations
and current works safety instructions are applicable.
The "General safety regulations" that go beyond the
scope of the above regulations are stated below.
Any special safety regulations relevant to this instruction
manual will be highlighted in the relevant sections or text
passages of the procedures.
1.4.1 Statutory regulations governing
installation
The Air Top Evo 3900 and Air Top Evo 5500 heaters have
been type-tested and approved in accordance with EC
Directives 72/245/EEC (EMC) and 2001/56/EC (heater)
with the following EC permit numbers:
e1*72/245*2006/28*5079*__
e1*2001/56*2006/119*0219*__
e1*2001/56*2006/119*0220*__
Installation is governed above all by the provisions in
Annex VII of Directive 2001/56/EC.
NOTE
The provisions of these Directives are binding within the
territory governed by EU Directive 70/156/EEC and
should similarly be observed in countries without specific
regulations.
(Extract from Directive 2001/56/EC Annex VII)
1.7.1. A clearly visible tell-tale in the operator's field of
view shall inform when the combustion heater is switched
on or off.
2.
Vehicle installation requirements
2.1.
Scope
2.1.1.
Subject to paragraph 2.1.2, combustion heaters
shall be installed according to the requirements of
this Annex.
2.1.2.
Vehicles of category O (trailers) having liquid fuel
heaters are deemed to comply with the
requirements of this Annex.
2.2.
Positioning of heater
2.2.1.
Body sections and any other components in the
vicinity of the heater must be protected from
excessive heat and the possibility of fuel or oil
contamination.