Opercontrol - Honeywell S7800A1142 Manual

7800 SERIES S7800A1142 KEYBOARD DISPLAY MODULE
Selectable
Message/Display
Flame Signal
Total Cycles
Total Hours
Fault History >
(Six most recent faults)
Fault Cycle
Fault Hours
Fault Code
*Fault Message*
Sequence Message
(Second Line Message)
Diagnostic Information >
Device
Device Suffix
Run/Test Sw.

OperControl

Interlock
Pilot Valve
Main Valve
Ignition
LowFire Sw
HighFireSw
PreIgn ILK
65-0288-1
Table 3. Selectable Messages .
Description
Flame signal strength.
Total number of equipment
operating cycles.
Total number of equipment
operating hours.
First level prompt for history
information. Has subset level.
Cycle when fault occurred.
!
H1
Run hour when fault occurred. 0 - 99,999
!
H1
Number that identifies the
!
reason for lockout.
H1
Indicates cause of lockout.
!
H1
Indicates where in the
!
sequence the lockout
H1
occurred.
Second line message explains
!
any further information that is
H1
available from the 7800
SERIES or may be blank if
there is not a preemptive
second-line. H2...H6 etc.
First level prompt for
diagnostic information. Has
subset level.
Device type number.
Device suffix number.
Position of Run/Test Switch.
T6 Operating Control Input.
T7 Running/Lockout Interlock.
T8 Pilot Valve.
T9 Main Fuel Valve.
T10 Ignition.
T18 Low Fire Switch.
T19 High Fire Switch.
T20 or T17 b Pre-Ignition
Interlock
Possible States/ Range
(Terminals)
0 - 5.0 Vdc Flame Amp (+ and
- (Com))
0 - 99,999
c
(250,000; 999,999 ) cycles
0 - 99,999
c
(250,000; 999,999 ) hours
—
0 - 99,999 cycles (250,000;
c
999,999 ) cycles
c
(250,000; 999,999 ) hours
0 - 999
—
—
—
—
RM78XXX, R7140, or
EC78XXX
nnnn
RUN or TEST
= 1 or 0
= 1 or 0
= 1 or 0
= 1 or 0
= 1 or 0
= 1 or 0
= 1 or 0
= 1 or 0
10
Comments
Flame relay pull-in and drop-
out value 1.25 Vdc.
Cycle will be updated each
time main valve is energized.
a
Hour will be updated each time
main valve output is energized
a
for 60 minutes.
—
—
—
a
—
—
—
—
—
—
—
Indicates if 7800 SERIES is in
RUN or TEST mode.
Indicates if input is on or off,
energized or de-energized.
Indicates if input is on (1) or off
(0), energized or de-energized.
Indicates if output terminal is
on or off, energized or
de-energized.
Indicates if output terminal is
on or off, energized or
de-energized.
Indicates if output terminal is
on or off, energized or de-
energized.
Indicates if input is on or off,
energized or de-energized.
Indicates if input is on or off,
energized or de-energized.
Indicates if input is on or off,
energized or de-energized.