Honeywell RM7838B1013 User Manual

RM7838B,C 7800 SERIES RELAY MODULE
21 32-00199—01
Fig. 9. RM7838C1020/RM7838C2020 Relay Module operation.
INITIATE
POWER
LED
DISPLAY
PILOT
FLAME
MAIN
A
LARM ALARM
STANDBY
(INDEFINITE)
POWER
ALARM
POWER
DRIVE
TO
HIGH
FIRE
DRIVE
TO
LOW
FIRE
5
SECONDS
MAX
2010000000 00
5 SEC 10 SEC
HOLD
(INDE-
FINITE)
PURGE
PURGE TIME IS SELECTABLE
THROUGH VARIOUS
ST7800 PURGE TIMER CARDS
PFEP
J1 INTACT (10 SEC)
J1 CLIPPED (4 SEC)
MFEP NORMAL
BURNER
RUN
RM7838C ENERGIZED (TERMINAL 4 AND L2)
TERMINAL 6 ENERGIZED (STOP SWITCH)
LF SWITCH CLOSED (TERMINAL 18)
HF SWITCH CLOSED (TERM 19)
PREIGNITION INTERLOCKS CLOSED (TERM 20 ENERGIZED)
SAFE START CHECK
TERMINAL 13 TO 12
TERMINAL
13 TO 14
TERMINAL 13 TO 15 TERMINAL 13 TO 15
TERM 10
TERMINAL 5 ENERGIZED (COMBUSTION AIR FAN)
TERMINAL 7 ENERGIZED (COMBUSTION AIRFLOW SWITCH)
TERMINAL 8 ENERGIZED (J2 INTACT)
FLAME PROVING
TERMINAL 9
TERMINAL 8 ENERGIZED (J2 CUT)
MAIN
PILOT
FLAME
POWER
MAIN
PILOT
FLAME
POWER
MAIN
PILOT
FLAME
POWER
M29083
1 NORMAL SHUTDOWN OCCURS WHEN TERMINAL 6 IS DE-ENERGIZED.
1
PFEP
INITIATE PURGE
ALARM
POWER
START MFEP RUN
TERMINAL 21 ENERGIZED
(IGNITION)
(INTERRUPTED
PILOT)
(INTER-
MITTENT
PILOT)
(MAIN
VALVE)
OPERATING
CONTROLS
AND
INTERLOCKS
FLAME
SIGNAL
FIRING
RATE
MOTOR
BURNER

Honeywell RM7838B1013 Specifications

General

Brand	Honeywell
Model	RM7838B1013
Category	Control Unit
Language	English