Crown Boiler 32-380ECS - Manual (Page 6)

“BURNER”
“BURNER”
TH
TR
+ ROBERTSHAW
7000DERHC
GAS VALVE
VENT DAMPER (NOTE 2)
NOTE 2
LESS VENT
DAMPER
2. ON BOILERS LESS VENT DAMPER, DAMPER HARNESS NOT USED. RED AND BLUE
LEADS ARE JUMPED TOGETHER USING RED JUMPER WIRE.
RD
RD
RD
ALARM
ALARM
2
(NOTE 2)
2. WHEN DAMPER IS NOT USED, DAMPER HARNESS IS REPLACED WITH JUMPER PLUG.
PILOT VALVE
MAIN VALVE
TH
TR
+ ROBERTSHAW
7000DERHC
GAS VALVE
RD
RD
RD/YE
RD/YE - RED with YELLOW TRACE
RD
BL
ALARM
ALARM
RD/YE
Figure B: Water Boiler Wiring (Less Tankless Heater)
4
Figure A: Steam Boiler Wiring