Burnham ALPINE Installation, Operation And Service Instructions page 105

Xii. Operation (continued)
E.
Adjusting Parameters (continued)
Example Pump Parameter selections:
a. Single boiler with no Indirect Water Heater
System
Circulator(s)
To System
Header
Temperature
Sensor
(When Used)
b. Single boiler Indirect Water Heater Piped to
Primary, Optional Domestic Hot Water Priority.
Header
Temperature
To System
Sensor
(When Used)
System
Circulator(s)
Domestic
Circulator
Boiler
Circulator
Boiler
Circulator
Indirect
Supply
Indirect
Return
Parameter Selections:
System Pump= "any demand"
Boiler Pump = "any demand"
DHW Pump = "never"
Explanation:
This piping arrangement only services central heat.
When there is any demand both boiler and system
pumps turn on.
Parameter Selections:
System Pump= "Central Heat , Optional Priority"
Boiler Pump = "any demand"
DHW Pump = "Primary Loop Piped IWH"
DHW Priority Enable is optional
Explanation:
This piping arrangement permits the system
pump to run or not run when there is a domestic
hot water call for heat. Domestic hot water
priority is optional. It is permissible for the
domestic and system pumps to run at the same
time. The boiler pump must run for every call for
heat.
105