User Guide

Page 6 of 8
USER INTERFACE (continued)
Entering Adjustment Mode
In Adjustment Mode, the user can activate the test mode
of the LWCO and reset a low water condition for Manual
Reset models. To enter adjustment mode:
Press and hold the Up 1.
, Down , and “I” keys si-
multaneously for three (3) seconds while the display
is in the LWCO card View Mode. While holding the
buttons the display will change to an Adjustment
mode label signifying to the user that installer mode
has been entered. This procedure is intended to
discourage unauthorized or accidental changes to
parameter settings.
After entering Adjustment Mode, Press the “2. I” key to
view the test or reset function.
Press the Up 3. or Down keys to activate reset or
test functions. The following table shows adjustable
items.
Adjustment Mode Options

Test Pushbutton The test feature
remains active for 1 minute before
automatically turning off. To manually
turn the test off, Press the Up or
Down keys while test is active
Test Mode is active.
Test Mode is not active

Reset from lockout (manual reset
only)
Ready to restore from lockout
Not Ready to restore from lock-
out

Return to Option Card View Mode
Menu
4. Exit adjustment mode by one of the following means:
Press the “• I” key until “” option is dis-
played and press either Up or Down keys
Press and Hold the Up • , Down , and “I”
keys until the fi rst item of view mode is
shown.
If no keys are pressed, after fi ve (5) minutes •
the display will automatically return to the
view mode.
5. Once in view mode press the “I” key until “” op-
tion is displayed and press either Up or Down
keys to return to the IQ Option Panel Display.
Resetting the LWCO
Make sure that the water level has returned to normal 1.
and water is covering the LWCO probe.
Press “2. I” key until the LWCO Card slot number is dis-
played (, , or).
Press the Up 3. or Down keys to enter the card’s view
mode.
Press and Hold the Up 4. , Down , and “I” keys simulta-
neously for three (3) seconds, Adjustment Mode items
will be shown
Press “5. I” until the Reset () Pushbutton is shown.
Press the Up 6. or Down keys to turn Reset “on”
Resetting lockout only applies to Manual Reset Models.
Testing the Low Water Cutoff
Follow Boiler’s Operating Instructions to place boiler in 1.
operation. (refer to boiler instruction manual)
Press “2. I” key until the LWCO Card slot number is dis-
played (, , or ).
Press the Up 3.
or Down keys to enter the card’s view
mode
Press and Hold the Up 4.
, Down , and “I” keys simulta-
neously for three (3) seconds, Adjustment Mode items
will be shown
Press “5. I” until the Test () Pushbutton is shown.
Press the Up 6. or Down keys to turn test “on”
Resulting Test Sequence:7.
Test Sequence
IQ Boiler
Control
Display
IQ Option
Panel
Display
1. Safety Relays “Open”  
2. Boiler turns “Off”  
3. After 1 minute  
4. Safety Relays “Close” ...
5. Boiler turns “On”  ...
= Waiting for Limit to Close Open Limit
= Open Limit
... = Normal Operation - Run Mode