Installation Guidance - Houghton BELAIRE H2400D Owner's Manual

INSTALLATION
Before beginning, mark out the position of the unit based on
the following important requirements:
The unit should be placed in the centre of the RV so that

the duct lengths are as even as possible and also near to
a power socket .(the power cord is 2m long)
Consider that three holes will need to be cut through the

floor for the outside intake and exhaust air.
Do not cut through the chassis or any structural
Members in the floor.

The floor MUST be strong enough to support the
weight of the unit. Contact your caravan manufacturer
to confirm the max load the floor can handle.
The unit must be installed so that the filter can
be easily accessed and cleaned approximately
once a fortnight. The unit should always be
installed so that it is accessible if service/repair
work is required. If these requirements are not
fulfilled this may void the warranty!
 If you are not using the supplied return air grille then the
minimum area for
(23cmx15cm), the area can be made up of multiple
smaller areas.
The total length of the ductwork should be as short as

possible and not exceed 15m, the maximum length of
one piece of ductwork is 6m.
Consider placement of the LCD touch screen interface

in an appropriate location, the cable length from the
unit to the touch screen is 4m. (Extension cables are
available, contact HOUGHTON if needed).
The filter side of the unit should face the open side of the

seat/bed where the return air grille is (
Return air
grille
Filter
Figure 1-Preferred orientation of the unit where the filter is on the
same side and close to the return air grille

Installation Guidance

the return air is 345cm
Figure 1
)
If this is not possible then there must be at least a 40mm

gap between the wall/cupboard/seat and the filter of the
unit and a 60mm gap between the top of the unit and the
wall/cupboard/seat. (
ow
Airfl
Figure 2-Minimum distances between the unit and the surrounding
walls if the filter is on the opposite side compared to the return air
grille
If the return air grille is placed low down in front of the

unit then the minimum distances to surrounding walls are
shown in Figure 3.
2
Return air grille
Min
30m
m
Figure 3-Minimum spacing for a fully enclosed unit with
the return air grille on opposite sides to the filter
There must be no items placed between the
filter and the return air grille which could cause
obstructions to the air flow (see
 When locating the unit consider the path/routing
locations for the ductwork. The less bends the
ducting has, the greater the performance the unit will
be able to achieve.
 Ensure the unit is located so that the underside intake
is not in the vicinity of water/mud spray from the
wheels.
7
Figure 2
)
Min
60mm
Min
Filter
60m
m
)
Figure 4
Min
40mm
Min
30m
m