Riello PRESS 45 N Installation, Use And Maintenance Instructions page 50

Electrical wiring connections (carried out by the factory)
S
1 3 5
2 4
R
TB
N
MB
CMV Fan motor contact maker
CR Pre-heater contactor
F Suppressor
FR Photoresistance
H Remote lock-out signal
IN Manual burner stop switch
MB Burner terminal strip
MV Fan motor
R Nozzle holder resistance
RMO Control box
RT Thermal cut-out
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
st
V1 1 stage valve
nd
V2 2 stage valve
NOTE:
2
Wires of min. 1 mm 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).
20132263
TB
4 12 15
TE
TA
MV
TM
TB
M
3
2 4 6
A1
F
CR
A2
14
6
1 3 5 13
L1 L2 L3
Installation
RMO88.53A2 RMO88.53A2
11 16 18 9 5 1
FR
RT
95
Tm
96
A2
CMV
A1
N S3 T1
L 30 T2 T6 T8
Electrical connections to the burner terminal strip (carried
out by the installer)
D2611
Pre-heating resistances connections
12 GB
7
8 13 17
10
8
6
11
2
5
3
4
1
V1
V2
D2634
SM
D2599
Fig. 8
230V 400V
A Ampere 10 6
2
B mm 1,5 1,5
Fig. 9
Fig. 10