Crown Boiler Phantom X series, Installation And Operating Instructions Manual, Page: 94 / 136

94
X. Operation
F. Changing Adjustable Parameters (continued)
“Press” Pump Setup button to access the following parameters:
Factory Setting Range / Choices Parameter and Description
Any Demand
Never,
Any Demand,
Central Heat,
No Priority,
Central Heat,
Optional Priority
System Pump run pump for:
Activates the system pump output according to selected function.
Never:
Pump is disabled and not shown on status screen.
Any Demand: Pump Runs during any call for heat.
Central Heat: Pump Runs during central heat and frost protection call for
No Priority: heat. Pump does not start for a DHW call for heat and
continues to run during Domestic Hot Water Priority.
Central Heat: Pump Runs during central heat and frost protection call for
Optional Priority: heat. Pump does not start for a DHW call for heat and will be
forced off if there is a DHW call for heat and Domestic Hot
Water Priority is active.
Any Demand
Any Demand,
Central Heat,
Off DHW demand,
Header Sensor
Demand/
Combustion Air
Damper
Boiler Pump run pump for:
Activates the boiler pump and combustion air damper (if using room air) output according
to selected function.
Any Demand: Pump Runs /damper opens during any call for heat.
Make sure indirect water heater and DHW circulator are sized
to maintain flow through boiler within limits shown in Table 24.
Central Heat: Pump runs during central heat and frost protection call for
Off DHW demand: heat. Pump does not start for a DHW call for heat and will be
forced off if there is a DHW call for heat and Domestic Hot
Water Priority is active.
Header SensorDemand/ Pump runs when boiler is firing to satisfy any call for heat.
Combustion Air Damper: Used when header sensor is enabled to prevent unnecessary
operation of boiler pump. Also used when combustion air
damper is wired to Boiler Pump output.
NOTE : Header Sensor must be used when combustion air
damper output is required.
Primary
Loop Pipe
IWH
Never,
Primary Loop
Piped IWH,
Boiler Piped IWH
Fresh Air Damper
Domestic Pump run pump for:
Activates the Domestic pump output according to selected function.
Never: Pump is disabled and not shown on status screen.
Primary Loop Piped IWH: Pump Runs during domestic hot water call for
heat. Domestic Hot Water Priority enable/disable
does not affect pump operation.
Boiler Piped IWH: Make sure indirect water heater and DHW
circulator are sized to maintain flow through boiler
within limits shown in Table 24.
Pump Runs during domestic hot water call for heat. Pump is
forced off during a central heat call for heat when Domestic
Hot Water Priority “disabled” is selected and when Domestic
Hot Water Priority “enable” has been selected and the DHW
call for heat has remained on for longer than 1 hour (priority
protection time).