USA Inc. Carbon Monoxide Alarm User Manual

IRIS MODEL P522 APPLICATION MANUAL
Page 30
RM
RF RF
RMTD1
TD1
TD1
IGN
VALVE
IGN
VALVE
RF
RF
L1
NO MFT PURGE COMPLETE FUEL LIMITS O.K. BURNER STOP PB
OFF
RF C
ON
PLC
INTERFACE
INTERFACE
PLC
IC-TO
IC-TO
DADE
START P.B.
OPEN IGN VA LVE FROM PLC FROM PLC
BRN VALVE OPEN
TO PLC INTERFACE INTERFACE
TO PLC
OFF
ON
RF C
FLAME OFF FLAME ON
L2
RF C
ON
OFF
CONTACTS ON P520
CONTACTS
ON REAR
PCB
FIGURE 12 - BASIC BURNER START CIRCUIT