
2508
5
To remove the control-box from the burner,
loosen screw (A)
(see figure on the right) and
pull towards the arrow.
RUN OF THE ELECTRICAL CABLES
1 - Grommet
2 - Cable-clamp
3 - Terminal block
4 - Clamps for 2
nd
stage thermostat
5 - 4 pole socket for 2
nd
stage
thermostat
6 - 7 pole socket for burner
N - Neutral
- Lock-out lamp
L - Phase
- Burner-earth
The photoresistance is fitted directly into the
control-box
(underneath the ignition-trans-
former) on a plug-in support.
TESTING
Check the shut-down of the burner by opening
the thermostats.
S7348
Ignition
transformer
Photoresistance
S7057