21
FIGURE 19: WIRING DIAGRAM, SINGLE HEATING ZONE ONLY FIGURE 20: WIRING DIAGRAM, CIRCULATOR ZONE WIRING USING HONEYWELL R845A’s (FACTORY BOILER WIRING NOT SHOWN - SEE FIGURE 19)20
L1
INTERRUPTED
INTER M I TTE N T
BURNER MOTOR
LIMIT
VALVE
L2
HON EYWELL
L814 8 OR L812 4
AQUASTAT RELAY
NOTE:
1) BURNER WIRI NG SHOWN IS FOR BEC KETT
A
FG BURNERS. CO NSULT BURNER INSTRUCTION
MANUAL FO R OTHER BURNERS
2) AQUASTAT PICTURED IS L8148. TERMINAL 3
AND JUMPER FROM L1 TO 3 ARE NOT PRESENT
ON L8124. L8124 HAS TWO TERMINALS,
MARKED ZC AND ZR, WHICH ARE NOT USED.
CAD
CELL