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PARMAIR EXIMUS JrS and JrV
b) SUMMER/WINTER DAMPER
The Eximus Jr Units are equipped with a summer/winter damper. In summer, when it is not
necessary to preheat incoming air by means of extracted air, the damper should be placed on top
of the heat exchanger and the winter/summer switch should be switched in the down position. In
cooler autumn weather, the damper should be removed and the switch placed in the up position.
The LED (5) indicates the position of the summer/winter dampers when the summer/winter
switch is in the correct position.
Damper 1
Damper 2
c) CLEANING FILTERS
It is recommended that filters be cleaned at four-month intervals. The exhaust filter can be
cleaned by vacuuming or knocking it gently. The filter tolerates 3–4 cleanings. The incoming air
filter can be vacuumed from the side on which the dust collects. Filters should be replaced each
year in order to maintain efficiency. The cleaning and replacing should be confirmed by pushing
the green reset button on top of the fans twice. In order for the unit to register the push of the
reset button, power must be turned on.
If the fans have become very dirty or almost not dirty at all during the four months the setting of
the maintenance monitor can be changed. Push the maintenance button in the filter compartment
once. The unit now displays the standard setting “04” that can be changed by pushing the “+”
and “-” buttons.
d) CLEANING FANS
Both fans can be cleaned, if necessary. Fans can be manually removed without any tools. First
unplug the unit. Open the cover of the unit, remove heat exchanger and loosen fan connectors
and fixing screws. Carefully remove fan and hood. Dirt on the fan blades can be removed by
brushing with care.
Maintenance work involving opening the control panel should only be performed by a
qualified electrician.
