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WIRING DIAGRAM
Wiring connection for LMV20
Burner flange
Fanmotor input
Lokout signal
Continuous fan operator
External valveSV
gnition transformer
Reserve
Pressure switch leakage test
gasPGCP
Minimum gas pressure switch
Electrical supply
Safety loop
Valve
Valve
Operation sgnal
Reset
Common
Increase output
Decrease input
ON/OFF thermosta
Air pressure switch
UV flame detector
QRA...
Flame sensors supply
GNDflame sensors
QRB../QRC..
onization probe
PE
Reserve
65
L
N
PE
L
L
N
PE
PE
N
L
L
L
2
3
L
P
LUFT
QRA... (-)
QRA... (+)
+
L
QRB/C-N
QRB/C
ION
PE
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