Webasto Air Top 2000 ST B Manuale utente

Boat Air Heaters Installation Instructions

Air Top 2000 ST

Air Top Evo 40

Air Top Evo 55

Trade names :

Air Top 2000 ST D (Diesel/PME)

Air Top Evo 40 D (Diesel/PME)

Air Top Evo 55 D (Diesel/PME)

Improper installation or repair of Webasto heating and cooling systems can cause fire or the leakage of deadly carbon

monoxide leading to serious injury or death.

To install and repair Webasto heating and cooling systems you need to have completed a Webasto training course and

have the appropriate technical documentation, special tools and special equipment.

Only genuine Webasto parts may be used. See also Webasto air and water heaters accessories catalogue.

NEVER try to install or repair Webasto heating or cooling systems if you have not completed a Webasto training course,

you do not have the necessary technical skills and you do not have the technical documentation, tools and equipment

available to ensure that you can complete the installation and repair work properly.

ALWAYS carefully follow Webasto installation and repair instructions and heed all WARNINGS.

Webasto rejects any liability for problems and damage caused by the system being installed by untrained personnel.

Table of Contents

1 About This Document . . . . . . . . . . . . . . . . . . . . . . . . . . . .49

2 Regulations governing installation . . . . . . . . . . . . . . . . . . .50

3 Use / variants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .51

4 Heater . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52

5 Cold and hot air . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60

6 Fuel supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .65

7 Combustion air supply . . . . . . . . . . . . . . . . . . . . . . . . . . . .73

8 Exhaust system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75

9 Electrical Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . .79

10 Wiring diagrams. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .87

11 Initial operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94

12 Faults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94

13 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .95

Boat Air Heaters

Air Top 2000 ST / Evo 40 / Evo 55

Note

Mechanical system

Electrical system

Heated air

Fuel

Exhaust

Combustion air

Attention

Technical Information

Excerpt from directive

1AboutThisDocument

To enable quick reference to the individual procedures you will find a descriptive symbol on the top outer edge of each page.

Technical Information Boat Air Heaters

Air Top 2000 ST / Evo 40 / Evo 55

2 Regulations governing installation

2.1. Statutory regulations governing installation

Permit numbers see Chapter 13, "Technical data".

2.2. Application of combustion heaters on boats

Observe regional authority regulations! Establish which regulations

apply in the area where the boat is to be used. Comply with the

stipulated requirements!

Obtain official approval if necessary!

The cables must be installed and firmly secured such that the wirings

are adequately protected against mechanical and thermal stress.

Requirements relating to the basic unit:

When switched off, it is permissible for combustion heaters to continue

running for max. 40 seconds. Only combustion heaters are to be used

with heat exchangers that are not damaged during their standard

operating period by the reduced afterrunning time of 40 seconds.

2.3. Additional documentation to be used

These installation instructions contain all the information

and instructions necessary to install Air Top 2000 ST / Evo

40 / Evo 55 heaters.

The operating instructions must also be observed.

Boat Air Heaters Technical Information

Air Top 2000 ST / Evo 40 / Evo 55

3 Use / variants

3.1. Use

The Webasto Air Top 2000 ST, Air Top Evo 40 and Air Top Evo 55 air

heaters are suitable for:

Preheating and heating ship's cabins, cargo holds, passenger and crew

areas

Use on inland waterways and at sea

Sailing and motor boats of approx. 8 to 24 m in length

Not suitable for:

Continuous heating of living areas, houseboats, etc.

Heating and/or drying living creatures

The heaters operate independently of the boat's engine. They are

connected to the boat's fuel tank and electrical system.

3.2. Variants

Air heater for "diesel" fuel (12 or 24 V):

Air Top 2000 ST D (Diesel)

Air Top Evo 40 D (Diesel)

Air Top Evo 55 D (Diesel)

Technical Information Boat Air Heaters

Air Top 2000 ST / Evo 40 / Evo 55

4Heater

Fig. 1 Installation example

1. Air heater

2. Cold air intake;

3. Hot air hoses;

4. Air outlet;

5. Fuel pump;

6. Fuel tank;

7. Exhaust line;

8. Room temperature sensor;

9. Control element

Boat Air Heaters Technical Information

Air Top 2000 ST / Evo 40 / Evo 55

4.1. Choosing installation location

Install the heater in a dry location, protected from the ingress of sea

water, excessive vibration, heat, engine exhaust gases and soiling by

fuel or oil (requirement from 2001/56/EC).

Arrange the installation to suit the requirements and type of boat! Take

the following into account: all peripheral components, such as permis-

sible length of the exhaust system, position of the through-hull fitting,

combustion air intake, routing of electrical wiring and cable lengths,

distance from the fuel tank, routing of hot air hoses, fresh air intake,

etc.

Take the following into account: the maximum inclination of the boat

must not result in the ingress of sea water through the exhaust gas

outlet.

The inclination must not cause the heater to come in contact with bilge

water.

No obstruction of moving parts (e.g. rudder assembly).

Every reasonable precaution should be taken when positioning the

heater to minimise the risk of injury and damage to personal property

(requirement from 2001/56/EC)

ATTENTION:

Danger of suffocation!

Do not install heater and exhaust system in accommodation

areas.

ATTENTION:

Danger of fire!

Do not install in the vicinity of flammable or temperature-

sensitive objects such as sails, fenders, bulkheads, paper,

gas lines, fuel containers, etc.

When installing in locker or rudder box:

– Only with good ventilation

– Prevent contact with hot parts

– Install a contact barrier around the heating system if

necessary

Technical Information Boat Air Heaters

Air Top 2000 ST / Evo 40 / Evo 55

Recommended installation locations (see Fig. 2):

A) In locker or rudder box if it is well ventilated.

Install a contact barrier around the heating system so that sails,

fenders, bulkheads, etc. do not come in contact with hot parts!

B) In the engine compartment of inboard diesel engines. Condition:

cold air intake from outside, combustion air intake from outside or

from engine compartment if this is well ventilated to the outside!

Fig. 2 Installing heater in locker (1), rudder box (2) or engine

compartment (3)

Boat Air Heaters Technical Information

Air Top 2000 ST / Evo 40 / Evo 55

4.2. Heater data

4.2.1. Dimensions Air Top Evo 40 / Air Top Evo 55

1) Cold air inlet

2) Cable outlet (optionally on right or left)

3) Hot air outlet

4) Exhaust gas outlet

5) Fuel inlet

6) Combustion air inlet

A) Space requirements for hot air outlet

B) Space requirements for cold air inlet

C) Space requirements for removing heater

Fig. 3 Dimensions and space requirements [mm] Air Top Evo 40 / Air Top Evo 55

6 5 4

2 3

B AC

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