Control Thermostat Of The Convection Fan(S); Safety Limit Thermostat; Pressure Switch Replacement; Fan Thermostat Replacement - Accorroni MEC25-85 Technical Information

PRESSURE SWITCH REPLACEMENT

Electrical connection
Silicon tube
Fastening screws
WARNING! The calibration of the new
differential pressure switch must correspond
to the appliance model on which it is replaced.
In fact, the pressure switches are calibrated
in the factory and sealed. Do not try to perform
improper adjustments tampering with the
seal.
8.5 CONTROL THERMOSTAT OF THE
CONVECTION FAN(S)
Remove the protection grille that shields the
thermostat. Disconnect the cables and unscrew
the thermostat from the threaded support. Insert
the new thermostat, screwing it all the way in by
hand (do not use tools which might damage the
thermostat). Make sure that the distance between
the thermostat enclosure and the threaded support

FAN THERMOSTAT REPLACEMENT

Unscrew
Correct distance = 3 mm
Thermostat
Threaded support
Exchanger wall
Protection grille
Fig. 31
Grille attachment
screws
Fig. 32
page 34

SAFETY THERMOSTAT REPLACEMENT

Sensor support
Thermostat
enclosure
Thermostat
sensor
is not greater than 3 mm, to guarantee that the
sensor remains in contact with the wall of the
exchanger. Re-establish the electrical connection
and replace the protection grille (fig. 32).

8.6 SAFETY LIMIT THERMOSTAT

To access the thermostat remove the four screws
which attach the appliance electric board.
Disconnect the cables and remove the two screws
that attach the thermostat enclosure to the board.
Use a pair of pliers to pull out the thermostat
sensor from its support in the front of the exchanger.
Pull out the sensor and the relative capillary
element. Mount the new thermostat by reversing
the order of the previous operations (fig. 33).
ELECTRODE POSITIONING
Models 25 - 30 - 35
Correct distance
between electrode
and burner
Ignition electrode
Detection electrode
Fig. 33
3 mm
Fig. 34