Crown Boiler CWI172 User Manual

21

20

FIGURE 19:  WIRING DIAGRAM, INTERMITTENT IGNITION  (EI) SYSTEM LESS TANKLESS HEATER

FIGURE 20:  WIRING DIAGRAM,  STANDING PILOT WITH TANKLESS HEATER

2

(NOTE 2)

2. VENT DAMPER REQUIRED ON ALL BOILERS EXCEPT CWI310 - CWI379. WHEN DAMPER IS NOT US
DAMPER HARNESS IS REPLACED WITH JUMPER PLUG.

TH

TR

+

ROBERTSHAW
7000DERHC
GAS VALVE

(CWI379)

HONEYWELL
VR8204/VR8304
SERIES GAS VALVES
(CWI069 - 345)

2

(NOTE 2)

2. VENT DAMPER REQUIRED ON ALL BOILERS EXCEPT CWI310 - CWI379. WHEN DAMPER IS

NOT USED, DAMPER HARNESS IS OMITTED AND TERMINAL B1 IS WIRED DIRECTLY TO FRS.
AS SHOWN IN LADDER DIAGRAM  

HIGH LIMIT

LOW

LIMIT

HONEYWELL

L8124E

LESS VENT 

DAMPER

L

N

       V 8295 A
(CW I31 0-37 9 ONLY)

N

L

          V8295A

      GAS VALVE
(CWI310-379 ONLY)