Honeywell RM7800E Installation Instructions Manual page 9

G
L2
120V ALARM 3
4
BURNER MOTOR
5
(BLOWER)
BURNER
6
CONTROLLER/LIMITS
RUNNING INTERLOCKS
7
(INC. AIR FLOW SWITCH)
10 SEC. INTERRUPTED
8
PILOT/IGNITION
MAIN FUEL VALVE(S)
9
5 SECOND IGNITION
10
(EARLY SPARK
TERMINATION)
F
FLAME DETECTOR
4
INITIATE
(INITIAL
POWERUP
ONLY)
STANDBY
POWER POWER
LED
DISPLAY
BURNER
OPERATING
CONTROLS
AND
INTERLOCK. CHECK
INTERLOCKS
PREIGNITION INTERLOCK CLOSED
FLAME
SAFE START CHECK
SIGNAL
DAMPER
MOTOR
Fig. 4. Wiring subbase and sequence for RM7800M/RM7840M.
RM7800E,G,L,M; RM7840E,G,L,M 7800 SERIES RELAY MODULES
Q7800
12
COMMON
13
14
2
MODULATE DAMPER
(L1)
15
MOTOR
16
17
2
2
LOW FIRE
18
START SWITCH
19
3
20 PREIGNITION
INTERLOCK
21
INTERMITTENT
PILOT
22
MASTER
SWITCH
RM7800M/RM7840M
PREPURGE PFEP
HOLD 10 SEC.
00 00 00
TIMED DRIVE TO (4 SEC. IF
PREPURGE LOW FIRE JR1 CLIPPED
POWER POWER POWER
PILOT PILOT PILOT
FLAME FLAME FLAME
MAIN MAIN MAIN
ALARM ALARM ALARM
BURNER/BLOWER MOTOR
10 IGN. 5 SEC.
10 SEC. IGN./PILOT 8
INTERMITTENT PILOT VALVE
LIMITS AND BURNER CONTROLLER CLOSED
RUNNING INTERLOCKS CLOSED
4 TO 20
LOW FIRE SW.
RM7800M/7840M SWITCHING
13 TO 15
MOTOR ACTION
9
FOR DIRECT SPARK IGNITION
(OIL OR GAS)
IGNITION
10
TRANSFORMER
1ST STAGE
21
FUEL VALVE
2ND STAGE
9
FUEL VALVE
(OPTIONAL)
1
120V, 50/60 Hz POWER SUPPLY. PROVIDE
DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
2 WHEN NO DAMPER MOTOR OR LOWFIRE
SWITCH IS USED, JUMPER TERMINAL 14
TO TERMINAL 18. DO NOT WIRE TERMINAL 15.
3 DO NOT WIRE TO ANY UNUSED TERMINALS.
4
SEE FLAME DETECTOR INSTALLATION
INSTRUCTIONS FOR CORRECT WIRING.
L1
(HOT)
1
L2
10 20 25 00
MFEP RUN POSTPURGE
POWER POWER POWER
PILOT PILOT
FLAME
FLAME
MAIN
MAIN
ALARM ALARM
5
21
MAIN VALVE 9
TO
L1 6
6
TO 7
5 TO 18
FLAME PROVING
13 TO 15
L2
M12262A
15
STANDBY
POWER
IC
PII
SSC
M12265A
66-1085—04