Webasto Part Number : 4110310A
Issue No: 02 : 10th November 2010
Matthew Millard
In the interests of continued development, we reserve the right to change
specifications without prior notice
© Webasto Product UK Limited
Marine Comfort
POSITIONING OF THE HEATER
The heater requires a dry, protected area, which
will not be adversely affected by seawater,
excessive vibration or fumes.
The location of the heater must be well clear of
any gas storage or delivery lines. When
choosing the position, bear in mind stowage,
conduits and service access points, steering gear
linkages etc. It is also important to consider the
required installation features for the Thermotop
C / E heater.
1. Exhaust maximum length
2. Exhaust outlet point
3. Combustion air maximum length
4. Combustion air inlet point
5. Access for heater pipes
6. Fuel pick-up point
7. Electrical supply
The engine room is a favoured position, where
fuel, combustion air and access to the hull for the
exhaust are all at hand. As an alternative, fit the
heater in a cupboard in the galley, ducting the
combustion air inlet to a point within the vessel
not usually occupied by passengers. Avoid
impinging upon stowage space or placing the
heater where sails may rest on the hot exhaust
system. Mount the heater level so as to avoid
forming air pockets inside the heat exchanger.
The heater will be shipped with a serial number / ID
label attached on one side and a duplicate spare on
the other. Please mount the spare label on the
other side of the heater or somewhere on the
heater were it is visible.
Figure 1
Typical Water Heater System
Do not mount the heater as shown below
If the heater is mounted in these orientations air will be trapped inside
the heat exchanger.
Permissible mounting orientations are shown below
0° <> +90°
0° <> -90°
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