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

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