Submittal Sheet

7800 SERIES S7800A2142 KEYBOARD DISPLAY MODULE
32-00110—05 38
Table 6. Selectable Messages.
Selectable
Message/Display Description
Possible States/Range
(Terminals) Comments
Flame signal Flame signal strength. 0 - 5.0 Vdc Flame Amp (+
and - (Com))
Flame relay pull-in and dropout value
1.25 Vdc.
Total cycles Total number of equipment
operating cycles.
0 - 99,999
(250,000; 999,999
c
) cycles
a
Cycle will be updated each
time main valve is energized.
Total hours Total number of equipment
operating hours.
0 - 99,999
(250,000; 999,999
c
) hours
a
Hour will be updated each time main
valve output is energized for 60
minutes.
FH fault code Number that identifies the
reason for lockout.
0-127 Most recent fault in fault history.
FH cycle Cycle when fault occurred. 0 - 99,999
(250,000; 999,999
c
) cycles
a
Most recent fault in fault history.
FH hours Run hour when fault
occurred.
0 - 99,999
(250,000; 999,999
c
) hours
a
Most recent fault in fault history.
FH message Indicates cause of lockout. Most recent fault in fault history.
FH seq state Indicates where in the
sequence when the lockout
occurred.
Most recent fault in fault history.
FH seq time Indicates time in the
sequence when the lockout
occurred.
Most recent fault in fault history.
Device type Device type number. RM78XXX, R7140, or
EC78XXX
Run/Test switch Position of Run/Test switch. RUN or TEST Indicates if 7800 SERIES is in
RUN or TEST mode.
T6 terminal
e
Burner control T6 terminal
I/O state.
ON or OFF Indicates if input is on or off,
energized or de-energized.
T7 terminal
e
Burner control T7 terminal
I/O state.
ON or OFF Indicates if input is on or off,
energized or de-energized.
T8 terminal
e
Burner control T8 terminal
I/O state.
ON or OFF Indicates if input is on or off,
energized or de-energized.
T9 terminal
e
Burner control T9 terminal
I/O state.
ON or OFF Indicates if input is on or off,
energized or de-energized.
T10 terminal
e
Burner control T10 terminal
I/O state.
ON or OFF Indicates if input is on or off,
energized or de-energized.
T16 terminal
e
Burner control T16 terminal
I/O state.
ON or OFF Indicates if input is on or off,
energized or de-energized.
T17 terminal
e
Burner control T17 terminal
I/O state.
ON or OFF Indicates if input is on or off,
energized or de-energized.
T18 terminal
e
Burner control T18 terminal
I/O state.
ON or OFF Indicates if input is on or off,
energized or de-energized.
T19 terminal
e
Burner control T19 terminal
I/O state.
ON or OFF Indicates if input is on or off,
energized or de-energized.
T20 terminal
e
Burner control T20 terminal
I/O state.
ON or OFF Indicates if input is on or off,
energized or de-energized.
T21 terminal
e
Burner control T21 terminal
I/O state.
ON or OFF Indicates if input is on or off,
energized or de-energized.