Thermo H
Installation
46
4
Installation
The statutory regulations governing the installation must be adhe-
red. The installation may only be carried out by persons which are
qualified according to 3.1.
ATTENTION:
– If the water heater is to be operated in a separately installed hea-
ting system, prior to installation an installation planning report
must always be submitted to Valeo for approval.
If this approval is not obtained, all warranty and liability claims
will be void. The water heater has been designed, tested and
approved for specific bus requirements.
– To the cables of the temperature sensors and temperature limi-
ter no mechanical load must be applied (pull on the cable, carry
the heater at the cable etc.).
– The heater shall be always installed in such a way that a negati-
ve impact by road dirt, splashing water, exhaust gases or other
harmful influences is excluded.
NOTE:
Consider the installation situation of the relevant vehicle type.
4.1.
Installation location
The heater is installed in a suitable place in the engine compartment of
the vehicle. The following criteria must be taken into account when se-
lecting the installation location:
– Positioning as low as possible, so that a self-bleeding of the heater
and circulation pump is ensured. This is particularly important as the
circulating pump is not self-priming.
– Consider the space required for servicing accessibility (e.g. removal
of the combustion chamber) (see fig. 2).
– The heater is integrated into the cooling system (or in a separate
heating circuit).
– The specifications for combustion air supply of the heater (see Chap-
ter 8) must be considered.
– Water which has been ingressed or condensed must be able to run
autonomously from the installation space.
If it is not possible to install the heater in the vehicle’s engine bay it may
be installed in a box. The installation box must have a sufficient external
ventilation to ensure that the maximum temperature of 85°C is not ex-
ceeded in the box.
This installation space is not a stowage compartment and must be kept
clear. This prohibition applies in particular for fuel canisters, oil cans, fire
extinguishers, cleaning rags, paper and all easily flammable materials.
4.2.
Heater installation
For attachment the heater has 4 bolts at its bottom. For this purpose,
under structurally suitable conditions, 4 holes are drilled at the installa-
tion location as shown in Fig. 4. Alternatively, additional traverses must
be provided. The weight of the heater (see technical data on page 76)
and the permissible installation position (fig. 3) must be considered!
Mount the heater with 4 nuts M8 and matching washers.
Danger to life and health!
Warning!
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