Honeywell 7800 Series Product Data page 39

Description
Burner control T9
terminal I/O state.
Burner control T10
terminal I/O state.
Burner control T16
terminal I/O state.
Burner control T17
terminal I/O state.
Burner control T18
terminal I/O state.
Burner control T19
terminal I/O state.
Burner control T20
terminal I/O state.
Burner control T21
terminal I/O state.
Pilot Flame Es-
tablishing Period
(PFEP).
First Safety Time
(for RM/EC7850).
Jumper 2
Jumper 3
Flame amp type
7800 SERIESS7800A2142 4-Line LCD Keyboard Display Module
Selectable Mes-
sage/Display
T9 terminal e
T10 terminal e
T16 terminal e
T17 terminal e
e
T18 terminal
T19 terminal e
T20 terminal e
T21 terminal e
Jumper 1
Pilot Valve.
Main Trial Time (for
RM/EC7850).
Start-up Airflow
Switch (AFS) check.
Defines type of ampli-
fier installed.
Possible States/
Range (Terminals)
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
ON or OFF
INTACT/CLIPPED
INTACT/CLIPPED
INTACT/CLIPPED
INTACT/CLIPPED
INTACT (Disabled) /
CLIPPED (Enabled)
STANDARD/AMP-
CHECK/SHUTTER
39
Comments
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.
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.
Indicates if input is on or off,
energized or de-energized.
Indicates if input is on or off,
energized or de-energized.
Display shows state of
PFEP jumper. If jumper is
intact, 7800 SERIES was 10
second PFEP. If jumper is
clipped, 7800 SERIES has 4
second PFEP.
Display shows state of
First Safety Time (EC7850)
jumper. If jumper is intact,
EC7850 has 5 second First
Safety Time. If jumper is
clipped, the EC7850 has 3
second First Safety Time.
Display shows state of Pi-
lotValve (terminal no. 21). If
jumper is intact, RM7800G
has Intermittent Pilot
Valve. If jumper is clipped,
RM7800G has 15 or 30 sec-
ond Interrupted Pilot Valve.
Display shows state of Main
Trial Time (EC7850)Valve
(terminal no. 21). If jumper
is intact, EC7850 has 5
second Main Trial Time. If
jumper is clipped, EC7850
has 3 second Main Trial
Time.
Display shows state of Start-
up AFS check jumper. If
jumper is clipped, RM7800
AFS check is enabled and if
jumper is intact, AFS check
is disabled.
Display shows type of flame
detection system installed
(i.e., as STANDARD, AMP-
CHECK/AMPLI-CHECK™
and SHUTTER/
Dynamic Self-Checking).
32-00110-07