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X. Operation
E. Boiler Sequence Of Operation (continued)
5. Multiple Boiler Sequencer Screens
When the Sequence Master is enabled the following screens are
available:
The Sequencer Status screen is selected by “pressing” “Status” button from the “Home” screen when Sequence Master is
enabled.
Header:
measured header water
temperature. This is the
temperature being used to start,
stop and fire boiler when there is a
call-for-heat.
Setpoint:
this is the active setpoint. This
temperature is the result of Outdoor
Air Reset, Setback and Domestic Hot
Water (DHW) selections.
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
Rate:
The rate % value is equal to the
Sequence Master demand to the
individual boiler. Actual boiler firing
rate is found on the individual boiler
status pages.
Priority:
The selected Sequencer Priority
is shown. Available Priorities are:
Standby (no call for heat is present),
Central Heat, Auxiliary Heat,
Domestic Hot Water, Frost Protection
or Warm Weather Shutdown.
Sequence Status:
Slave boiler status is provide as follows:
Available:
Add Stage:
Running:
On Leave:
Recovering:
Disabled:
Boiler is ready and waiting to be started by the Sequencer
Master.
Boiler has begun the start sequence but has not yet reached the
boiler running status.
Boiler is running.
Boiler has left the network to service a DHW demand.
Boiler is in the process of returning to the network. For example,
the slave boiler is in the Postpurge state.
Note:
The recovery time is normally 30 seconds. However, if
the slave boiler fails to start the recovery time increases from 30
seconds to 5, 10 and 15 minutes.
Boiler has a lockout condition and is unable to become available
to the Sequencer Master.
The “Networked Boilers” screen is selected by “pressing” the “Detail” button from the “Home” screens and “pressing” Networked
Boilers” from the “Detail” screen.
Boiler Number:
Up to eight (8) boiler’s status is
shown
Lead Boiler:
Upon power up the lowest num
-
bered 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.
Firing Rate:
Demanded firing rate is
provided.
Summary of Contents for Phantom-X Series
Page 49: ...49 106309 03 4 19 VI Water Piping and Trim continued Figure 28 Near Boiler Piping Heating Only...
Page 63: ...63 106309 03 4 19 VIII Electrical continued Figure 40 Ladder Diagram...
Page 64: ...64 106309 03 4 19 VIII Electrical continued Figure 41 Wiring Connections Diagram 2...
Page 73: ...73 106309 03 4 19 IX System Start up continued Figure 47 Operating Instructions...
Page 124: ...124 106309 03 4 19 XIII Service Parts continued...
Page 130: ...130 106309 03 4 19 XIII Service Parts continued...
Page 133: ...133 106309 03 4 19 XIII Service Parts continued 10A 10B 10C 10D 10G...
Page 139: ...139 106309 03 4 19...
