Page 3
The display was designed to function
as both a monitor and a programmer.
The display consists of two rows of 16
alphanumeric characters. Below the
display are 4 keys:
The Back key is used to step back through
the display screens or to reply ‘no’ to a
question.
The Select key is used to advance through
the display screens or to respond yes to a
question.
Use this key to scroll back to the previous
screen, to decrease pre-time and post-time
timing, and scroll through the character
sets when customizing the Service
Message screen.
Use this key to scroll forward to the next
display screen, to increase pre-time and
post-time timings and to scroll through
the character sets when customizing the
Service Message screen.
Operation
There are fi ve main functional display
groupings within the module; Burner
Status (Paragraph A), Burner History
(Paragraph B), Pre-time Change
(Paragraph C), Post-time Change
(Paragraph D) and the Service Message
Program (Paragraph E).
A. Burner Status Mode
The current burner status will
automatically display whenever the
burner is cycling and the module is
connected to the primary control.
During normal burner operation, the
display refl ects the current state of
the burner. For example, when the
burner is idle, the control will display
STANDBY followed by the number
of minutes the burner remained
idle (up to 1 hour). The second row
of characters displays the cad cell
resistance in ohms, followed by the
line voltage. Note that if the cad cell
resistance is greater than 50Kohms,
the screen will display >50 kohm. Note
also that the line voltage display may
become inaccurate below 84 volts
when connected to a 120 volt GeniSys
Control and below 10 volts when
connected to a 12 volt DC Control.
As the burner cycles through PRE-
TIME, TRIAL FOR IGN (Trial for
Ignition), IGN CARRYOVER (Ignition
Carryover), RUN (Burner Run),
POST-TIME and PUMP PRIME the
module will display the operation,
followed by the time that either is
remaining or has elapsed in that
specifi c step.
1.
2.
3.
BACK
(NO)
SEL
(YES)
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