Riello PRESS 300 T/N ECO Installation, Use And Maintenance Instructions page 50

Heavy oil burners
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3.2
BURNER ELECTRICAL SYSTEM
SENSOR CONNECTION
TO THE HEAT REGULATOR
CMP Pump motor contact maker
CMV Fan motor contact maker
CR
Pre-heater contact maker
CO Switch
FR
photocell
st
L1
Lamps for 1
nd
L2
Lamps for 2
rd
L3
Lamps for 3
MB Burner terminal strip
MP Pump motor
MV Fan motor
PA
Air pressure switch
R1
Atomiser holder resistor
R2
Pump resistor
R3
Valve assembly resistor
RMO Electric control box
5841
D2737
stage
stage
stage
(made by the factory)
SWITCH
SCHEMATIC
RT
CMV thermal relay
RT1 CMP thermal relay
S
Pre-heater tank
SM Servomotor
SO
Probe PT100
TA
Ignition transformer
TB
Burner earth
TE
Thermostat
Tm Minimum thermostat
TM
Maximum thermostat
TP
Timer
st
V1
1
stage valve
nd
V2
2
stage valve
rd
V3
3
stage valve
VS
Safety valve
6
GB
D8383
D2738

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