Bryan Boilers Triple-Flex High Efficiency Boilers & 300 - Manual (Page 29)

Date: 8-4-2010
Revision: 0
Form: 2396
annunciation information, and switch between
heating loops (Central Heat and Domestic Hot
Water), as shown in Figure 25. If a password is
required to change any of the settings on this
page, the user can press the Login button to
enter the password.
2.2.12 A
NNUNCIATION
P
AGE
► ►OPERATION►
ANNUNCIATION
Figure 26 Annunciation Page
The annunciation page shows the status of the
load control input (call for heat), pre-ignition
interlock (proof of gas valve closure), and the
running interlock strings. The components are
listed in the order they are wired. This page can
be called up at any time from the operation page
(Figure 25). This page is very helpful for
troubleshooting a lockout 67 (ILK off). All
components for a given string are wired in
series. The first component that indicates off will
be the safety device to check.
2.2.13 M
ODULATION
C
ONFIGURATION
► ► CONFIGURE ► MODULATION
CONFIGURATION
Figure 27 Modulation Configuration
The modulation configuration page is used to set
the modulation range of the boiler. The
recommended maximum and minimum rpm
values can be found in
2.2.14 F
IRING
R
ATE
C
ONTROL
P
AGE
► ► OPERATION ► FIRING RATE
FIELD
Figure 28 Firing Rate Control Page
23
The firing rate control page enables the user to
change how the firing rate is controlled. The first
option is for automatic control based on the
current set point. The second option enables