16
Fig. 2
It is not a good practice to install the refrigerator so that
the vent openings are covered by the vehicle’s entrance
door when this is set open. This would reduce the venti-
lation airflow to the cooling unit and reduce refrigeration
performance.
The enclosure
The refrigerator must be installed in a substantial enclo-
sure and must be level, the dimensions are shown in
TECHNICAL DATA.
The bottom of the enclosure must be horizontal and even
so that the refrigerator can be easily pushed into place.
It must be sturdy enough to carry the weight of the re-
frigerator.
Battens must be installed at the bottom, sides and top of
the enclosure and fitted with sealing strips.
Slide in the refrigerator until it is flush with the front of the
recess. There must be 10-20 mm free space behind the
refrigerator
Six fasteners are fitted in plastic bushings in the side
walls of the refrigerator, fig. 2. They are used for secur-
ing the refrigerator in the enclosure.
The side walls of the enclosure and/or any wooden
braces installed to hold the refrigerator must be dimen-
sioned to seat the screws securely, also considering the
forces due to the movement of the vehicle.
With the refrigerator in place, drive the screws through
the lining of the refrigerator into the walls of the enclo-
sure. There must not be more than 3 mm of clearance
between refrigerator and enclosure on each side. If nec-
essary, wooden strips or similar should be fitted.
Note: This is the only approved means of securing the
refrigerator to the enclosure and to the vehicle. Fasten-
ers penetrating other parts of the insulation (PU) foam
of the refrigerator might damage components like elec-
tric wiring etc.
VENTILATION OF THE UNIT
At high ambient temperatures the refrigeration unit
will only perform adequately when properly venti-
lated.
Side ventilation.
The refrigerator unit is ventilated via two openings in the
wall of the caravan (fig. 3a).
Fresh air enters through the lower opening and warm air
is discharged through the upper one.
The lower opening should be located at floor level (to
allow any leaking gas to escape to the outside).
The upper ventilation opening should be located above
the condenser, as high as possible, to ensure good ven-
tilation.
Roof ventilation
The ventilation of the cooling unit can also be done via
one opening in the wall of the caravan and one on the
roof for the roof vent (fig. 3 b).
Fresh air enters through the lower opening and warm air
is discharged through the roof vent.
Ventilation grilles
We recommend fitting 2 side vents, model L500, alter-
native one L500 and one roof vent model R500, which
are specially developed by Dometic for this purpose.
The L500-ventilation grilles permit inspection and small
repairs to be carried out without the necessity to remove
the refrigerator from the recess.
Removal of flue gases
The ventilation passage at the rear of the recess, be-
tween the outer wall of the vehicle and the refrigerator
(fig. 3a/b/c), must be sealed off against the living space,
so cold draughts are excluded (winter camping) and no
flue gases can penetrate into the vehicle.
The flue gases are dispersed through the upper vent
grille or the roof vent together with the ventilation air.
The top, bottom and sides of the ventilation passage
should be insulated to prevent condensation and cold
draughts.
Содержание Caravan RM 7501
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