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WARNING! All these operations must be performed
with the off device, excluding power supply.
12.1 REPLACING FAN
Disconnect electrical connection of the fan from the
terminal board located in the electrical panel of the
unit heater. Unscrew the four screws holding the fan
grille to the rear panel of the unit heater. Remove the
unit and release the fan from the grid by removing the
four screws. Clean the grill from deposits of dust and
staring at the new fan, taking care to use the original
screws, since the thread depth greater than 5 mm
could damage the engine.
Reinsert the fan - grid in the seat and fasten with
screws interposing full of spacer grommets.
Restore the electrical connection taking care to
respect the original connection to the circuit diagram.
WARNING! To find additional information about
components, please contact:
A2B Accorroni E.G. LTD - Phone 071-723991
13.0 MAINTENANCE
13.1 MOTORS
The engines are fitted with permanently lubricated
bearings. Therefore they do not need special
maintenance.
13.2 BATTERIES
Once a year, before the season of use, clean the fins
of the batteries with compressed air.
13.3 FANS
Clean the fans from any dust deposits. No other
maintenance is required.
WARNING! The operations described below must
be performed with the off device, excluding power
supply.
13.4 ROUTINE MAINTENANCE
It is recommended to perform the beginning of each
operating season the following steps:
A) Simply clean the outside with a damp cloth;
B) Clean with the help of a brush or of a jet of
compressed air the dust deposits from the battery
fins and from the grid of the fan inlet;C) verificare
che il foro di scarico condensa sia libero da
qualsiasi elemento intasante, che possa
impedire il corretto deflusso della condensa;
13.5 ANNUAL INSPECTION
In order to minimize the possibility of failures and
maintain the perfect efficiency of the heater, it is
advisable to perform at least once a year a general
check.
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