Honeywell RM7800E Installation Instructions Manual page 8

RM7800E,G,L,M; RM7840E,G,L,M 7800 SERIES RELAY MODULES
120V ALARM
BURNER MOTOR
(BLOWER)
BURNER
CONTROLLER/LIMITS
RUNNING INTERLOCKS
(INC. AIR FLOW SWITCH)
10 SEC. INTERRUPTED
PILOT/IGNITION
MAIN FUEL VALVE(S)
5 SECOND IGNITION
(EARLY SPARK
TERMINATION)
FLAME DETECTOR
LED
DISPLAY
BURNER
OPERATING
CONTROLS
AND
INTERLOCKS
FLAME
SIGNAL
FIRING
RATE
MOTOR
66-1085—04
Q7800
12
G
L2
13
14
3
4 (L1) 15
5 16
6 17
7 18
8
19
9 20
21
10
F 22
4
INITIATE
(INITIAL
00
TIMED
POWERUP
PREPURGE
ONLY)
STANDBY
POWER POWER POWER
PILOT
FLAME
MAIN
ALARM
BURNER/BLOWER MOTOR
15/30 SEC. INTERRUPTED/INTERMITTENT PILOT VALVE
LIMITS AND BURNER CONTROLLER CLOSED
INTERLOCK. CHECK RUNNING INTERLOCKS CLOSED
PREIGNITION INTERLOCK CLOSED
SAFE START CHECK
RM7800/7840G SWITCHING
13 12
TO
MOTOR ACTION
Fig. 3. Wiring subbase and sequence for RM7800G/RM7840G.
SERIES 90
FIRING RATE SERIES 90
MOTOR
CONTROLLER
HIGH FIRE
B B
COMMON
R R
LOW FIRE
W
W
MODULATE
3
4
LOW FIRE
START SWITCH
2
JUMPER WIRE FOR 30s MFEP
PREIGNITION
INTERLOCK
1 120V, 50/60 Hz POWER SUPPLY. PROVIDE DISCONNECT
MEANS AND OVERLOAD PROTECTION AS REQUIRED.
15 OR 30 SEC.
INTERRUPTED/
2 ADD JUMPER FOR 30 SECOND MAIN FLAME
INTERMITTENT
PILOT VALVE
ESTABLISHING PERIOD (MFEP).
3 DO NOT WIRE TO ANY UNUSED TERMINALS.
L1
(HOT)
4 SEE FLAME DETECTOR INSTALLATION INSTRUCTIONS
FOR CORRECT WIRING.
L2
MASTER
1
SWITCH
RM7800G/RM7840G
PREPURGE PFEP
HOLD 10 SEC.
00 00 10 20
DRIVE TO (4 SEC. IF
LOW FIRE JR1 CLIPPED
MFEP
POWER POWER POWER
PILOT
PILOT PILOT
FLAME FLAME
FLAME
MAIN MAIN
MAIN
ALARM ALARM ALARM
10 IGN. 5 SEC.
10 SEC. IGN./PILOT 8
MAIN VALVE
L1
6
4 TO 20
LOW FIRE SW. 5 TO
FLAME PROVING
13 14
TO
8
FOR DIRECT SPARK IGNITION
(OIL OR GAS)
IGNITION
10
TRANSFORMER
1ST STAGE
21
FUEL VALVE
2ND STAGE
9
FUEL VALVE
(OPTIONAL)
25 00 15
RUN POSTPURGE STANDBY
POWER POWER POWER
PILOT
FLAME
MAIN
ALARM
5
21
9
TO
6
TO 7 IC
PII
18
SSC
13 TO 15
TO
13 14
M12264A
L2
M12260B