17
20197230
GB
Electrical system
7.1
Electrical diagram
Fig. 14
Br
own
Whi
te (50V)
Blue
Motor
Capacitor
Limit thermostat
Main switch
Fuse T6A
Bl
ac
k
230V ~ 50Hz
Safety thermostat
Remote lock-out lamp
(2
30
V
- 0.5
A
max.)
, if
required
Blue
Br
own
Terminal board of
control box
530SE*
Va
lv
e
D7261
Black
4 pin plug
4 pole socket
Burner-earth
TO BE COMPLETED
BY THE INSTALLER
CARRIED-OUT
IN THE FACTORY
WARNING
Do not invert the neutral with the phase in the
electrical supply line.
Do not swap neutral and phase over, follow
the diagram shown carefully and carry out a
good earth connection.
The electrical wiring carried out by the
installer must be in compliance with the rules
in force in the country.
The section of the conductors must be at
least 1mm
2
. (Unless requested otherwise by
local standards and legislation).
WARNING
Test the burner by checking the shut-down of the
burner by opening the thermostats and the lockout
by blocking out the flame sensor.
CAUTION
If the cover is still on, remove it and proceed with
the electric wiring following the wiring diagrams.
Use flexible cables in compliance with EN 60 335-
1 standards.
WARNING
Do not connect burner’s grounding, to failure in-
dicator terminal
. This may result the destroy
of the control box.
Summary of Contents for 3749251
Page 2: ...Original instructions...