Specifications

13
8. PROGRAM THE CONTROLS
Intelligent Hydronic Control
8-b
IQ Option Panel
8-a
Using Intelligent Hydronic Control Display
The Intelligent Hydronic Control (control) is located
inside the boiler front door, just above the IQ
Option Panel (Figure 8-a).
Intelligent
Hydronic Control
The control display, along with Up ñ, Down ò,
and “I” keys may be used to view boiler operating
status (Figure 8-b). Please note that these keys
look similar to the keys on the IQ Option Panel
but are in a different orientation, and they perform
different functions.
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:
Unit Display
OR
Sample
Display
1 sec
1 sec
1 sec
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)
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.