85
b. Multiple boilers IWH Piped to Primary, Optional Domestic Hot Water Priority
X. Modular installation (continued)
G
.
Modular Boiler Operating Information
(continued)
4.
Adjusting Parameters
(continued)
Example Pump Parameter selections
(continued)
:
c. 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 =
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.
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.
Summary of Contents for Alpine ALP080
Page 40: ...40 Figure 29 Condensate Trap and Drain Line V Condensate Disposal continued ...
Page 56: ...56 VIII Electrical continued ...
Page 57: ...57 VIII Electrical continued Figure 35 Wiring Connections Diagram ...
Page 58: ...58 Figure 36 Ladder Diagram VIII Electrical continued ...
Page 64: ...64 Figure 39 Modular Boiler Direct Vent Termination X Modular Installation continued ...
Page 65: ...65 Figure 40 Modular Boiler Concentric Vent Termination X Modular Installation continued ...