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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 PHNTM399
Страница 6: ...6 I Product Description Specifications and Dimensional Data continued Figure 1A Phantom Model PHNTM399...
Страница 7: ...7 Figure 1B Phantom Model PHNTM500 I Product Description Specifications and Dimensional Data continued...
Страница 53: ...53 VIII Electrical continued Figure 26 Ladder Diagram...
Страница 54: ...54 VIII Electrical continued...
Страница 55: ...55 Figure 27 Wiring Connections Diagram VIII Electrical continued...
Страница 63: ...63 IX System Start up continued Phantom Series Operating Instructions Figure 32 Operating Instructions...
Страница 113: ...113 THIS PAGE LEFT BLANK INTENTIONALLY...
Страница 114: ...114 XIII Repair Parts continued PHNTM399 and PHNTM500...
Страница 118: ...118...
Страница 119: ...119...