Webasto Thermo Top C - PME Operations Instructions download pdf (Page 16)

Combustion air supply Thermo Top C / Thermo Top E

9 Combustion air supply

The intake opening for combustion air must be located so that it cannot

become clogged with dirt. It must not point in the direction of travel.

An intake line is required for combustion air.

The withdrawal point for the combustion air must be located in a cool

(temperature

≤ 20 °C) place where it is protected from splashing water

and above the fording line of the vehicle.

Under no circumstances may the combustion air be taken from areas

occupied by people. A ventilation opening measuring at least 3 cm² is

required if the heater is installed in an enclosed box.

If the heater is installed in a common installation space near the vehicle

tank, the combustion air must be taken in from the outside and the

exhaust gas discharged into the atmosphere. The openings must be

splash-proof.

9.1. Air intake silencer

The air intake silencer must be installed in a position between 0° and 90°

pointing downwards.

Installation instructions

Connect the slotted side (approx. 18 mm) of the combustion air intake

line, max. 400 mm long, to the air intake port of the heater and secure it

with the hose clip supplied.

Turn the air intake silencer as far as possible into the unslotted end of

the air intake line (it need not be secured additionally by means of a

hose clip).

IMPORTANT:

Ensure an adequate distance from the exhaust system.

Depending on the installation situation, the air intake silencer must be

secured at a suitable point with the enclosed mounting clip or cable ties.

9.1.1. Securing the air intake silencer with the mounting clip

– Drill a hole dia. 6.5 mm at a suitable point.

– Press the mounting clip into the hole.

– Fit the air intake silencer in the mounting clip.

Fig. 12: Air intake silencer

Installation position

0-90° 0-90°

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Webasto Thermo Top C - PME Operations Instructions Page 16