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10
Operation
(continued)
H. Status Screens
Boiler status screens are the primary boiler
monitoring screens. The user may simply "walk"
through boiler operation by repeatedly selecting
the right or left "arrow" symbol. To access these
screens, select STATUS from the Home Screen
or Main Menu. See Figure 10-14 for screen
navigation and Figure 10-15 for screen detail.
1. Sequencer Status
This screen only appears when the Sequencer
Master is enabled. It shows data involved
with the network including active setpoint and
sensor, the network priority, and the setpoint
source. This status screen also displays all
boilers in the boiler to boiler network. The
status screen displays each boiler's assigned
boiler number, current state, firing rate, and
whether it is the current lead boiler.
2. Boiler Status
This screen gives an overview of the current
status of the boiler. The active setpoint and
sensor which the boiler is currently modulating
based on are displayed using a bar graph &
numeric values. Also displayed are all current
sensors installed in the boiler. These sensors
will display red if there is an issue with any of
them. Additional information shown includes
current firing rate, boiler priority, current status,
and setpoint source.
84
Figure 10-14: Status Screen Navigation
APEX
Installation, Operating, & Service Instructions
3. Demand Status
This screen gives the demand status of
the Central Heat, Domestic Hot Water, and
Sequencer (Lead Lag). Along with this status,
the boiler run hours, on/off status, and cycles
are also shown. Pump information is also
provided, including on/off status and cycles.
Frost Protection status and Exercise will also
appear when used. Additionally, the Load
Profiles are on this page, which give historic
data on the modulation of the boiler. This graph
shows the percent of the total run hours the
boiler spends modulating at each rate (%).
4. Boiler Monitoring
This is an overview of all sensors installed on
the boiler represented as bar graphs. Numeric
values are also provided for accurate readings.
5. Hydronic Trending
This screen allows the user to view from one to
five variable trends. Selecting the check mark
enables a variable to be added or removed
from the trend.
106308-05 - 3/23
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