40
ELECTRICAL WIRING DIAGRAMS
WIRING DIAGRAMS - Complete key
CMF
Operation manual switch
0) stop - 1) high flame - 2) low flame - 3) automatic
CO
Time counter (optional)
EVG
Light oil solenoid valve
EVG1/2
Light oil solenoid valves
FR
Photoresistor
FU
Fuses
FU1.0
Burner line fuse
FU1.1
Oil pump line fuses
FU1.2
Auxiliary fuse
IG
Main switch
IL
Auxiliary line switch
KA2.2
Auxiliary relay
KA3.2
Auxiliary relay
KM1.8
Fan motor contactor
KM1.9
Oil pump motor contactor
KM2.6
Fan motor contactor (line)
KM2.6D
Fan motor contactor (delta)
KM2.7S
Fan motor contactor (star)
KM2.8
Pump motor contactor
KT2.7
Star/delta delayed relay
LAF
Burner in high flame signalling lamp
LB
Flame lockout signalling lamp
LBF
Burner in low flame signalling lamp
LEVG
EVG opening signalling lamp
LS
Burner stand-by signalling lamp
LT
Thermal cutout intervention signalling lamp
LTA
Ignition transformer signalling lamp
MP
Pump motor
MV
Fan motor
PA
Air pressure switch
PS
Control box reset pushbutton
Pt100
Pt100 temperature probe
SD-0/4÷20mA
Probe connection with signal 0÷20mA / 4÷20mA
SD-0÷10V
Probe connection with signal 0÷10V
SD-PRESS.
Pressure probe
SD-TEMP.
Temperature probe
SIEMENS LAL2.25
SIEMENS control box
SIEMENS RWF40 **
SIEMENS modulator
SQM/STM/SQL
Air damper actuator
ST
Thermostats or pressure switches serie
TA
Ignition transformer
TAB
High-low flame thermostat (if fitted remove the connection between terminals 6 and 7 on terminal block MA)
TC
Thermocoupling connection
TP
Pump motor thermal cutout
TV
Fan motor thermal cutout
* The modulator includes a limit switch (terminals Q13 and Q14), it stops the burner if the work parameter overcomes set differential.
ATTENTION:
1 - Electric supply 230/400V 50Hz 3N a.c.
2 - Don't reverse phase and neutral
3 - Make sure that the burner is properly hearted
Wiring diagram 07-475 - Burners progressive - RG91 - RG92 - RG93
Wiring diagram 07-479 - Burners fully modulating - RG91 - RG92 - RG93
Wiring diagram 11-272 - Burners progressive - RG510 - RG515 - RG520
Wiring diagram 11-293 - Burners fully modulating - RG510 - RG515 - RG520
Wiring diagram 11- 344 - Burners progressive - RG525
Wiring diagram 11- 356 - Burners fully modulating - RG525