Fitting The Flue Gas Thermostat - Beretta Novella MAXIMA 129 N RAI Installation Manual

Proceed as follows to fit the electric power
panel (Fig. 3.17):
- Remove the cover (1) from the power panel
(2) and fit the panel to the bottom front par-
tition (3) with the screws provided.
- Connect the two sockets (4, 5) to the plugs
from the control panel. Connect the power
panel to the gas valve (6), second gas
solenoid valve (8), gas pressure switch (9)
and minimum gas valve (7). See Fig. 2.1 on
page 7 to identify the various compo-
nents of the gas valve.
- Unwind the flame detection sensor and igni-
tion electrode cables from the power panel.
- Insert the ignition electrode (11) into the
hole between the head and the middle, on
the side on which the gas valve is installed,
and secure it to the two studs.
- Insert the flame detection sensor (10) in the
hole between the head and middle on the
other side of the body.
24
3.6

Fitting the flue gas thermostat

(See also the "Wiring diagram" section on
page 10).
- Fix the flue gas thermostat (1) to the bottom
front partition (2) (Fig. 3.19).
- Insert the thermostat sensor through the
hole (3) and route the cable to the control
panel.
To the
control panel
EMI filter
Flame detection
sensor
Gas valve
Minimum gas valve
4
10
6
1
7 8
To the
control panel
SM 191.1
controller
Gas pressure switch
Second gas solenoid valve
3
to the flue
gas hood
1
2
5
2
11
3
9
Fig. 3.17
Ignition
electrode
Fig. 3.18
to the
control panel
Fig. 3.19