15
FIGURE 2.17: WIRING DIAGRAM & OPERATION
SEQUENCE FOR BOILERS EQUIPPED WITH
STANDING PILOT, VENT DAMPER & 400 SERIES
LWCO (EXCEPT FOR GB-250-8 & 9)
FIGURE 2.18: WIRING DIAGRAM & OPERATION
SEQUENCE FOR BOILERS EQUIPPED WITH
STANDING PILOT, VENT DAMPER & 400 SERIES
LWCO (GB250-8 & 9 ONLY)