TESY EVHP 9S 260 60 Instructions For Use Manual page 51

8. MAINTENANCE AND CLEANING.
WARNING! Any equipment repair must be
performed
Improper repairs can put the user in
serious danger. If your equipment needs
to be repaired,
technical assistance service.
WARNING!
maintenance operation, make sure that
the equipment is not and cannot be
accidentally connected to the power
supply.
equipment
supply
maintenance or cleaning activities.
8.1 Resetting of safety equipment
The device is equipped with a safety thermostat. When
manually reset, the equipment is tripped in case of over-
heating.
In order to reset the protection it is necessary to:
•
Disconnect the device from the mains power
supply;
•
Remove any air ducts (see paragraph 5.2);
•
Remove the upper cover by undoing the
appropriate locking screws (Fig. 17);
•
Manually reset the tripped safety thermostat from
the top (Fig. 18). In the event of the trip- ping, the
central pin of the thermostat sticks out by approx
TESY ely 4 mm;
•
Reassemble the upper cover that was previously
removed
by qualified personnel.
please contact
Before attempting
Therefore, disconnect
from the mains
before carrying out
the
any
the
power
any
8.2 Quarterly inspections
•
Visual inspection of the general conditions of the
equipment systems as well as the absence of leaks;
•
Inspection of the ventilation filter (see paragraph
8.4).
8.3 Annual inspections
•
Inspection of the tightness of bolts, nuts, flanges
and water supply connections that may have been
loosened by vibration;
•
Check the state of integrity of the magnesium
anodes (see paragraph 8.5).
WARNING! The tripping of the sfety
thermostat can be caused by a fault
linked to the control board or by the
absence of water inside the tank.
WARNING! Carrying
operations on parts that perform
safety functions jeopardises the safe
operation of the equipment. Substitute
the faulty elements only with original
spare parts.
N.B.: The intervention
thermostat excludes the operation of
the electric heating elements but not
the heat pump system within the
permitted operating limits.
out repair
of the