20
20045713
GB
Electrical system
7.1
Electrical diagram
6A
1 2 3 4 5 6
1
8
6
87
85
86
30
M
2 3 4 5
16A
24 V DC
8 6 4
10 8 6
D5806
Motor
Blue
Safety thermostat
Remote lock-out lamp
Control box terminal board
Br
o
w
n
Bl
ac
k
Regulating thermostat
Max. length m
Min. section mm
2
FEEDING CABLE
Valve
Relay
(24V DC - 0.5A max.), if required
Fig. 16
Burner terminal board
WARNING
Do not exchange the positive with the
negative
: this exchange damages the control
box operation.
Check that the electrical supply of the burner
corresponds to that shown on the identifica-
tion label and in this manual.
The section of the conductors must be at
least 1.5 mm
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.
WARNING
Electrical connections carried out by the in-
staller
.The feeding voltage must be measured
at the clamp 1 - 2 (on the terminal block of the
burner) and the burner switched off.
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.
