Install Instructions

4
WARNING
Electrical shock hazard. To prevent electrical shock, death or equipment damage, disconnect power supply before
installing or servicing this control.
WIRING TO IGNITION CONTROL MODULE
TO
INDIRECT
WATER
HEATER
F
ROM
T
HERMOSTAT
I
NPUT ON
CONTROL
MODULE
BLACK
#45-531-56
Wire
Harness
For use on boilers equipped with Integrated Boiler Control Module
CABLE 3 —  Disconnect boiler wire Harness from the “SECONDARY” port on the Integrated Control Module
and  plug into female plug adapter on #45-531-56 Wire Harness.  Plug male adapter on #45-531-56 Wire
Harness into “SECONDARY” port on the Integrated Control Module.  Plug the other end of the Wire Harness
into the Model 3000 Low Water Cut-Off.  Connect the RED and GREEN wires in series with Limit Circuit.
CABLE 2 — Plug Wire Harness into the Model 3000 Low Water Cut-Off.  Connect the two GREEN and WHITE
wires to the end switch from the indirect water heater relay. NOTE: If you are not connecting to an indirect water
heater, the bare ends of the GREEN and WHITE wires must be capped off separately with wire nuts.  Connect
the RED and BLACK wires in parallel to wiring from the thermostat input on the control module and the existing
thermostat wiring.