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those parts.
- do not remove the filter without first
disconnecting the electricity supply and
allowing the internal parts to cool.
- in places where it is advisable to block
access to the control panel (public places,
schools etc.), the flaps in version F (vertical
with cover) can be blocked using the screws
and screw covers provided.
7. STARTING UP
7.1 CHECKS
Before starting up the fan heater, make sure the
installer has fully completed all the necessary
installation procedures.
7.2 SWITCHING ON
7.2.1 (references to control panel functions refer
to fig. 14)
a) check that the electricity supply is properly
connected and proceed as follows:
- Version 1 controls
Turn switch (A) to the "ON" position.
If there is one (on the electronic or
microprocessor thermostats) put the
summer/winter switch (B) in the positions
suitable for the cycle in course (pointing up
= summer, down = winter).
- Version 2 controls
Turn switch (B) to the position suitable for
the cycle in course (
winter).
b) If there is one (on the electronic or
microprocessor thermostats), turn the air tem-
perature thermostat (C) to the temperature
required. The indicator light (E) will show the
function according to the characteristics of
the different control panels.
c) Select the fan speed using (D). If there is a trip
thermostat (optional extra), the fan will start
up only if the internal water temperature in the
exchanger is higher than a pre-determined
level. In this case, wait until the system is
ready.
e) Consult the specific instructions for the actual
control panel in use to see any additional
characteristics and likewise for any optional
accessories which have been installed.
7.3 SWITCHING OFF
7.3.1 7.3.1 When turning off the fan heater, it is
not necessary to touch the temperature control
if there is one, but to proceed as follows:
= summer,
=
pag. 28
- Version 1 controls
Turn switch (A) to "OFF"
- Version 2 controls
Turn switch (B) to "OFF"
7.3.2 To turn off the heater for a prolonged period:
a) Stop the heat generator or cooling system in
the plant according to the specific instructions.
b) According to the control panel version in use,
turn switch (A) or (B) to the "OFF" position.
c) Disconnect the electric supply from the heater
switch.
d) When the system is not used during periods
when there are low outside temperatures,
ensure there is no risk of pipes freezing up by
consulting the installer.
8. MAINTENANCE
8.1
NORMAL MAINTENANCE
PROCEDURES FOR THE USER
WARNING! Any procedure which is not
explicitly mentioned in this chapter should
be carried out by specialised personnel.
8.1.1 Cleaning external parts
The external parts of the heater should be cleaned
at least every two months, always after
disconnecting the electricity supply. Use a damp
cloth and remove any dust from the air outlet with
a brush. WARNING! Do not use water sprays
to clean the appliance.
Check that the fan is working well and that air is
coming out of the air outlet grille correctly.
8.1.2 Cleaning the filter
The air filter should be cleaned before every
operational season, or, if the fan heater is in a
dusty environment, at least once a month.
WARNING! Always disconnect the heater
from the electricity supply and allow the fan
motor to cool before proceeding to remove
the filter.
The following instructions relate to F - FR versions
with covers. For encased versions with their
appropriate panelling, refer to the system used
by the planner and/or installer.
Loosen and extract the filter by turning the fixing
screws on the plastic filter holders and turning
them outwards.
Clean the filter, preferably with compressed air,
by blowing in the opposite direction from the
intake, or use a vacuum cleaner. If necessary,
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