Burnham ALPINE - Page 105

105
XII. Operation (continued)
Example Pump Parameter selections:
a. Single boiler with no Indirect Water Heater
To System
System
Circulator(s)
Header
Temperature
Sensor
(When Used)
Boiler
Circulator
Explanation:
This piping arrangement only services central heat.
When there is any demand both boiler and system
pumps turn on.
E. Adjusting Parameters (continued)
b. Single boiler Indirect Water Heater Piped to
Primary, Optional Domestic Hot Water Priority.
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.
To System
Boiler
Circulator
System
Circulator(s)
Indirect
Return
Domestic
Circulator
Indirect
Supply
Header
Temperature
Sensor
(When Used)
Parameter Selections:
System Pump= “any demand”
Boiler Pump = “any demand”
DHW Pump = “never”