C.I.B. UNIGAS - M039121CE
26
ELECTRICAL WIRING DIAGRAM
Electrical diagram 01-318 Rev. 5 - complete key
CO
Time counter
ER
Flame detection electrode
EV1
Gas electro-valve upstream (or valve group)
EV2
Gas electro-valve downstream (or valve group)
F
Fuse
IL
Main switch
L
Phase
LB
Burner lockout indicator light
LF
Indicator light for burner functioning
LME
SIEMENS control box
MA
Power supply terminal block
MV
Fan motor
N
Neutral
PA
Combustion air pressure switch
PG
Low gas pressure switch
ST
Series of thermostats or pressure switches
TA
Ignition transformer
TS
Safety boiler thermostat/pressure switch
VPS
DUNGS gas proving system (option)
*NOTE : Connection between terminals 7 and 9 only when SIEMENS LGB21.33 monitor device is used.
WARNING:
1 - Electrical supply 230V 50/60Hz 1N a.c.
2 - Do not reverse phase with neutral
3 - Ensure burner is properly earthed
Summary of Contents for LG35
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