23
20135737
GB
Installation
5.11.1 Electrical system carried out by the factory
Key to layout
B5
Signal 2nd stage operating
C
Capacitor
CN1
Probe connector
E
Electrode
h..
Hour counter
MV
Motor
PA
Minimum air pressure switch.
PG
Minimum gas pressure switch
RS
Remote reset
SM
Air damper servomotor
SO
Ionisation probe
S3
Lockout signal (230V - 0.5A max.)
T6A
Fuse
TB
Burner earth
TL
Heat request thermostat
TR
Adjustment thermostat 1st and 2nd stage
TS
Safety thermostat
V10
Safety valve
V11
1st stage valve
V12
2nd stage valve
X..
Plug
XP..
Socket
CARRIED OUT
IN THE FACTORY
Fig. 18
230V ~ 50
Hz
C
O
NTROL BOX
D4627
Master
switch
Brown
Blue
Black
TO BE DONE BY
BY THE INSTALLER
WARNING
Do not invert the neutral with the phase in the
electrical supply line.
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 1mm
2
. (Unless requested otherwise by
local standards and legislation).
Connect the 2nd stage thermostat (TR) to the
terminals T6 - T8 removing the jumper.
WARNING
Check the burner stops by opening the thermo-
stats and check it locks out by opening the con-
nector (CN1) (Fig. 18) inserted in the probe's red
wire, located on the outside of the control box.
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.
