Instruction manual
53
X. OPERATING (continued)
8.   On burner start, if the cad cell does not see ame during 
the trial for ignition, the oil primary control will shut 
the burner down and enter into a hard lockout. The Oil 
Primary must be reset manually before the burner can be 
restarted.
B.  USING BOILER CONTROL
  The Boiler Control is located under the Jacket Front 
Cover, to the left of the Option Panel (Refer to Figure 33).
  The Boiler Control display, along with Up ñ, Down ò, 
and “I” keys may be used to view boiler operating status 
(Figure 34). Please note that these keys look similar to the 
keys on the Option Panel but are in a different orientation, 
and they perform different functions.
Status Number Displayed in STA Mode
1 Standby
4* Pre-purge
6* Trial for Ignition
7* Carry Over
8 Running
9* Post-purge
10* Retry/Recycle Delay
14* Hard Lockout
15* Waiting for Limit to Close
16* Flame Present Out of Sequence
17 Self Test
  For example, when the “I” key is pressed on the Boiler 
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”. 
D.  USING THE OPTION PANEL
  Option Cards are available from distributors and are the 
simplest way to add functionality, safety and efciency to 
your heating system. The Option Panel provides an easy and 
convenient means to "plug-in" an Auxiliary High Limit, Low 
Water Cut-off and/or Outdoor Reset function. For operating 
instructions, refer to the instructions supplied with those 
cards.
E.  USING THE OPTIONAL LCD DISPLAY KIT 
  (P/N 102728-01)
  The LCD Display is an easy to use touch screen type 
display that allows a technician to monitor and adjust the 
Boiler Control and connected Option Cards. All boiler 
settings, status and error codes are displayed in full text. 
All Outdoor Reset Option Card parameters are adjustable 
with graphic and help information screens. The LCD 
Display Kit includes a mounting bracket and a simple 
plug-in wiring connection to allow mounting in the plastic 
hood above the burner door. 
  For installation instructions, refer to the instructions 
supplied with the display.
Figure 34: Boiler Control
Key Function & Orientation
C.  VIEWING THE OPERATING MODE OPTIONS
  In operating mode the user may view (but not change) 
boiler operating status, settings and troubleshooting 
information. To view Boiler Control display information:
  Press and release the “I” key on the Boiler 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 (see Status Number in following Table)
bt Boiler Temperature
SP Operating Setpoint (Outdoor Reset)
HL High Limit Setting
HdF High Limit Differential
hr Heat Request Status
dh Zone Request Status
CAD* CAD Cell Ohms
rUn* Run Time Hours
CYC* Boiler Cycles
Err Boiler Error
Erp External Device Error
* Visible when Burner-ECOM Harness is connected to 
EnviraCOM primary equipped burner. Refer to Figure 28B for 
installation details.










