13
20132157
GB
Installation
ELECTRICAL WIRING CONNECTIONS (carried out by the factory)
C
Capacitor
CR
Pre-heater contactor
F
Suppressor
FR
Photoresistance
H
Remote lock-out signal
IN
Manual burner stop switch
K1
Relay
MB
Burner terminal strip
MV
Fan motor
PS
Reset push-button
R
Nozzle holder resistance
RMO
Control box
S
Pre-heater
SM
Servomotor
TA
Ignition transformer
TB
Burner earth
TE
Start-up adjustment thermostat
TL
Limit control device system
TR
High-low mode control device system
TS
Safety control device system
Tm
Min. value contact thermostat
TM
Max. value contact thermostat
V1
1
st
stage valve
V2
2
nd
stage valve
NOTE:
Wires of min. 1 mm
2
section.
(Unless requested otherwise by local standards and
legislation).
Two stage operation
It can be achieved by the control device TR, that controls 2nd
stage valve, connected to terminals 7 and 8 (removing the
bridge).
ELECTRICAL CONNECTIONS TO THE BURNER TERMINAL
STRIP
(carried out by the installer)
PRE-HEATING RESISTANCES CONNECTIONS
Fig. 8
A2
K1
A1
1
5
9
2
6
10
TB
R
MV
M
C
F
TE
V2
7
8
6
11
2
5
3
4
1
+
-
M
V
2
H
S
1
S
T
0
S
T
1
S
T
2
R
1
R
2
M
SM
MB
S
FR
TB
V1
CR
A1
A2
4
2
6
1 3 5
16
B
4
TA
15
12
11
5
9
18
TM
Tm
8
13
17
10
3
RMO88.53A2
1
RMO88.53A2
1
2
3
4
5
6
7
8
9
10
11 12
D2571
Fig. 9
D2572
Fig. 10
D2634
