Honeywell RM7840L User Manual

RM7840E,G,L,M
OPERATION
20
Fig. 18—RM7840G sequence.
Fig. 19—RM7840M sequence.
RM7840M
POWER
00
OPERATING
CONTROLS
AND
INTERLOCKS
BURNER
FLAME
SIGNAL
FIRING
RATE
MOTOR
INITIATE
POWER
STANDBY
POWER
PREPURGE
POWER
PILOT
FLAME
MAIN
POWER
PFEP
4 OR 10 SEC
PILOT
FLAME
MAIN
POWER
MFEP
PILOT
FLAME
MAIN
POWER
RUN
FLAME
MAIN
POWER
POSTPURGE
POWER
STANDBY
00 00 10 25 00 1520
RM7840M SWITCHING
MOTOR ACTION
BURNER/BLOWER MOTOR
IGN.
10 SEC. IGN./PILOT
INTERMITTENT PILOT VALVE
MAIN VALVE
LIMITS AND BURNER CONTROLLER CLOSED
RUNNING INTERLOCKS CLOSED
PREIGNITION INTERLOCK CLOSED
LOW FIRE SW.
SAFE START CHECK
FLAME PROVING
21
8
10
5
5 SEC.
9
L1
6
TO
6
7
TO
4
20
TO
5
18
TO
13 15
TO
13
15
TO
M3358
INTERLOCK CHECK
PILOT
ALARM
ALARM
ALARM
ALARM
TIMED
PURGE
LED
DISPLAY
IC
PII
SSC
RM7840G
POWER
00
OPERATING
CONTROLS
AND
INTERLOCKS
BURNER
FLAME
SIGNAL
FIRING
RATE
MOTOR
INITIATE
ALARM
POWER
STANDBY
POWER
PREPURGE
POWER
PILOT
FLAME
MAIN
POWER
PFEP
4 OR 10 SEC
PILOT
FLAME
MAIN
POWER
MFEP
PILOT
FLAME
MAIN
POWER
RUN
FLAME
MAIN
POWER
POSTPURGE
POWER
STANDBY
00 00 10 25 00 1520
RM7800G SWITCHING
MOTOR ACTION
BURNER/BLOWER MOTOR
IGN.
10 SEC. IGN./PILOT
15/30 SEC. INTERRUPTED/INTERMITTENT PILOT VALVE
MAIN VALVE
LIMITS AND BURNER CONTROLLER CLOSED
RUNNING INTERLOCKS CLOSED
PREIGNITION INTERLOCK CLOSED
LOW FIRE SW.
SAFE START CHECK
FLAME PROVING
21
8
10
5
5 SEC.
9
L1 6TO
6 7
TO
4
20
TO
5 18
TO
13
15TO
13 12TO
M3360
INTERLOCK CHECK
13 14TO
13 14
TO
40
PILOT
AAA
TIMED
PURGE
ALARM ALARM ALARM
LED
DISPLAY
IC
PII
SSC

Honeywell RM7840L Specifications

General

Brand	Honeywell
Model	RM7840L
Category	Control Unit
Language	English