Fig. 30: CPW Board
Pump Turn-off Delay
The CPW board has a
By properly setting the pump
The
CAUTION: The boiler requires forced water circulation when the burner is operating and the pump must be interlocked with the boiler. See the Water Piping section for minimum and maximum water flow rates and pump selection.
NOTE: Pump will come on when power is first applied to the boiler.
Blower Fan Pre-purge
The CPW board has a
Blower Fan Post-purge
The CPW board has a
Freeze Protection Feature
The CPW board is programmed to
To restart the system, primary power or the thermostat signal must be turned off and back on. The
42