
107
XII. Operation
E. Boiler Sequence Of Operation (continued)
Detail screens are accessed by selecting the “Detail” button from the “Home” screen. These screens provide in
depth operating parameter status such as “On Point”, “Off Point” and “Setpoint Source” information. Demand-specific
details are provided for Central Heat, Auxiliary Heat, Domestic Hot Water and the Sequence Master demands and
outdoor air reset. Sequencer screens are only shown when the Sequence Master is enabled.
4. Detail Screens
Figure 12.8: Detail Screen Overview
Header:
measured header water
temperature is the temperature
being used to start, stop and fire
boiler when there is a call-for-
heat.
Setpoint:
active setpoint temperature is the
result of Outdoor Air Reset,
Setback and Domestic Hot Water
(DHW) selections.
Rate:
The rate % value is equal
to the Sequence Master
demand to the slave
boilers.
Priority:
Sequencer Priority available
are: Standby (no call for
heat is present), Central
Heat, Auxiliary Heat,
Domestic Hot Water, Frost
Protection or Warm
Weather Shutdown.
Networked Boiler Status:
Provides connected, start sequence and firing rate status information for
all connected boiler addresses. The boiler number is underlined if the
boiler is running and blinks if the boiler has the start sequence in
progress. For example the status for boiler address 1 is provided as
follows:
1 - Boiler 1 is connected to the network
1 - “Blinking underline” - boiler 1 is starting
1 - “Solid underline” - boiler 1 is running
Lead Boiler:
Upon power up the lowest
numbered boiler becomes
the lead boiler. The lead
boiler is the first to start and
last to stop. The lead boiler
is automatically rotated after
24 hours of run time.
Additionally, the lead is
rotated if there is a lead
boiler fault.
132 F
180 F
100%
Sequencer
>
<
Domestic Hot Water
1 ,2 ,3 ,4 ,5 ,6 ,7 ,8
Supply
Rate
Network:
Setpoint
Priority:
Lead
2
5. Multiple Boiler Sequencer Screens
When the Sequence Master is enabled the following screen is
available
:
The Sequencer Status screen is selected by “pressing” “Status” button from the “Home” screen when Sequence Master is
enabled.
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 ...