Crown Boiler 32-475ECS Installation Supplement Manual - Page 6

Browse online or download pdf Installation Supplement Manual for Boiler Crown Boiler 32-475ECS. Crown Boiler 32-475ECS 16 pages. Series 32ecs gas-fired natural draft steam or water boilers

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