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Multiple boilers IWH Piped to Primary, Optional Domestic Hot Water Priority
Sequencer Master
(Boiler 1)
Boiler 2
Wiring locations:
Thermostat
X
DHW call for heat
X
System pump
X
DHW pump
X
Boiler Pump
X
X
Sequencer Master Parameter Selections:
Sequencer Master
Enabled
Indirect Water
Heater
“Primary Piped”
Pump Parameter Selections:
System Pump =
Central Heat,
Optional Priority
Never
Boiler Pump =
Any demand
Any
demand
DHW Pump =
Primary Loop
Piped IWH
Never
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.
X. Operation
F. Changing Adjustable Parameters (continued)
Example Pump Parameter selections (continued):
Multiple Boilers, IWH piped to primary, system pump required to run for any call for heat
Sequencer Master
(Boiler 1)
Boiler 2
Wiring locations:
Thermostat
X
DHW call for heat
X
System pump
X
DHW pump
X
Boiler Pump
X
X
Sequencer Master Parameter Selections:
Sequencer Master
Enabled
Indirect Water
Heater
“Primary Piped”
Pump Parameter Selections:
System Pump =
Any demand
Never
Boiler Pump =
Any demand
Any demand
DHW Pump =
Primary Loop
Piped IWH
Never
Explanation:
This piping arrangement requires the system pump to be running for any calls for heat. Also the boiler pump must run for any call for heat.
Содержание Alpine ALP080B
Страница 76: ...76 103448 10 6 18 VIII Electrical continued...
Страница 77: ...103448 10 6 18 77 VIII Electrical continued Figure 27 Wiring Connection Diagram...
Страница 78: ...78 103448 10 6 18 Figure 28 Ladder Diagram VIII Electrical continued...
Страница 82: ...82 103448 10 6 18 VIII Electrical continued Figure 29D Boiler to Boiler Communication with Zone Panel...
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Страница 148: ...148 103448 10 6 18 U S Boiler Company Inc P O Box 3020 Lancaster PA 17604 1 888 432 8887 www usboiler net...