Install Instructions

27
VIII. OPERATION (continued)
D. VIEWING THE OPERATING MODE OPTIONS
In operating mode the user may view (but not change) boiler
operating status, settings and troubleshooting information.
To view control display information:
1. Press and release the “I” key on the control to
change from one parameter to the next. Each setting
will alternately ash between the relevant display
code and its corresponding value.
Operating Mode Options
StA Status
bt Boiler Temperature
SP Operating Setpoint (Outdoor Reset)
HL High Limit Setting
HdF High Limit Differential
tt Heat Request Status
dh DHW Heat Request Status
FLA Flame Current
rUn Run Time Hours
CYC Boiler Cycles
Err Error (see Error Numbers)
Figure 24: Boiler Display
The STA (status) display code has the below listed values.
This list is also available on the control cover.
Status Code Displayed in STA Mode
1 Standby
4 Prepurge
6 Spark
7 Flame Proving
8 Running
10 Retry/Recycle Delay
13 Soft Lockout
14 Hard Lockout
15 Waiting for Limit to Close
16 Flame Present Out of Sequence
17 Self Test
18 Waiting for Damper to Open
20 Damper Failure to Open
For example, when the “I” key is pressed on the control
until “bt” is displayed, it will then ash a three digit number
(such as “180”) followed by either “F” (or “C”). This
indicates that the boiler water temperature is 180°F. Other
operating parameters display the information in a similar
fashion.
Unit Display
OR
Sample
Display
1 sec
1 sec
1 sec
Please note that in operating mode to hold the display on the
value the user can press and hold either the Up ñ or
Down ò keys and the value will be continuously shown.
This may be helpful in watching a value “live”.
Figure 23: Intelligent Hydronic Control