C.I.B. UNIGAS - M039150CF
4
1
WIRING DIAGRAMS
Complete key
AGQx.1A27
Auxiliary device for UV probe
BP
Light oil pump contactor coil
BV
Fan motor contactor coil
CM
Operation selector 0) Off - 1) Gas - 2) Light oil
CMF
Manual operation selector 0) Stop - 1) High flame - 2) Low flame - 3) Automatic
CP
Contacts on pump motor contactor
CR1
Contacts on auxiliary relais
CTP
Contacts on pump motor thermal cutout
CTV
Contacts on fan motor thermal cutout
CV
Contacts on fan motor contactor
EV1
Gas solenoid valve, network side (or valves group)
EV2
Gas solenoid valve, burner side (or valves group)
EVG1
Light oil solenoid valve 1st stage
EVG2
Light oil solenoid valve 2nd stageF÷F4Fuses
FC
UV probe
IM
Fan motor switch
IL
Auxiliary line switch
L
Phase
LAF
High flame operation signaling lamp
LB
Burner lockout signalling lamp
LBF
Low flame operation signaling lamp
LEV1
EV1’s opening signaling lamp
LEV2
EV2’s opening signaling lamp
LEVG1
EVG1’s opening signaling lamp
LEVG2
EVG2’s opening signaling lamp
LGB/LMG/LME22.33
SIEMENS control box
LPG
Low gas pressure in the network signaling lamp
LS
Burner in stop position (STAND-BY) signaling lamp
LSPG
Gas valves leakage signaling lamp
LT
Intervention of thermal cutout signaling lamp
LTA
Ignition transformer in operation signaling lamp
MA
Burner power supply terminal board
MC
Burner components terminal board
MP
Pump motor
MV
Fan motor
N
Neutral
PA
Air pressure switch
PGMAX
Maximum gas pressure switch (optional, if provided remove the connection between terminals 156 e 158 in terminal
board MC)
PGMIN
Minimum gas pressure switch
PS
Reset pushbutton for LGB/LMG/LME
Pt100
Connection for Pt100
R1
Auxiliary relay
SQN72/STA
Actuator for air damper,
ST
Series of thermostats or pressure switches
TA
Ignition transformer
TP
Pump motor thermal cutout
TV
Fan motor thermal cutout
VPS504
DUNGS Leakage control device (optional, if provided remove the connection between 177 and 178 on terminal board MC)
ATTENTION:
1 - Electrical supply 400V 50Hz 3 N a.c.
2 - Don’t reverse phase with neutral
3 - Ensure to the burner a proper hearthing
Wiring diagram Cod. 05-573.
Electrical wiring diagram Cod. 18-119
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Burners provided with printed circuit