115
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.
Example Pump Parameter selections (continued):
XII. Operation
F. Changing Adjustable Parameters (continued)
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.
Multiple Boilers, IWH piped to primary, system pump required to run for any call for heat
Summary of Contents for Raptor RPTR155
Page 1: ...1 ...
Page 13: ...13 Figure 5 1 Wall Layout Mounting Hole Location V Mounting The Boiler continued ...
Page 87: ...87 Figure 10 5 Internal Wiring Ladder Diagram X Wiring continued ...
Page 88: ...88 X Wiring continued ...
Page 97: ...97 Operating Instructions XI Start Up and Checkout continued ...
Page 148: ...148 XV Repair Parts continued 6D 6B 6A 6E 6I 6G 6L 6N 6H 6C 6K 6M 6C 6C 6J 6J 6F All Models ...
Page 172: ...172 ...