Honeywell RM7800L1087 Installation Instructions Manual page 9

LINE VOLTAGE
ALARM
BURNER MOTOR
(BLOWER)
LIMITS
BURNER CONTROL
LOCKOUT INTERLOCKS
(INC. AIR FLOW SWITCH)
10 SEC. INTERRUPTED
PILOT/IGNITION
MAIN FUEL VALVE 1
5 SECOND IGNITION
(EARLY SPARK
TERMINATION)
FLAME DETECTOR
3
INITIATE
(INITIAL
POWERUP
ONLY) STANDBY
POWER POWER
LED
DISPLAY
BURNER
OPERATING
CONTROLS
AND
INTERLOCK. CHECK
INTERLOCKS
PREIGNITION INTERLOCK CLOSED
FLAME
SIGNAL
FIRING
RATE
MOTOR
1 MV2 IS MAIN VALVE CLOSEST TO THE BURNER.
2
JR2 REMOVED FOR PILOT SEQUENCE.
Fig. 4. Wiring subbase and sequence for RM7800L/40L, EC7840L with Valve Proving feature enabled.
SERIES 90
FIRING RATE
Q7800 MOTOR
HIGH FIRE
12
G
COMMON
L2 13
LOW FIRE
3 14
MODULATE
4 15
(L1)
VALVE PROVING
5 16
SWITCH
6 17
2
LOW FIRE
18
7
START SWITCH
HIGH FIRE
8
19
PURGE SWITCH
9 20 PREIGNITION
INTERLOCK
10 21 MV2 VALVE
F 22
MASTER
SWITCH
RM7800/RM7840L/EC7840L
PREPURGE PREPURGE
HOLD HOLD
00 00 00
TIMED
DRIVE TO DRIVE TO
PREPURGE
HIGH FIRE LOW FIRE
POWER POWER POWER
PILOT PILOT
FLAME FLAME
MAIN MAIN
ALARM ALARM
BURNER/BLOWER MOTOR
LIMITS AND BURNER CONTROLLER CLOSED
LOCKOUT INTERLOCKS CLOSED
4
5 TO 19 HIGH FIRE SW.
SAFE START CHECK
SWITCHING
13 TO 12
MOTOR ACTION
9
RELAY MODULES WITH VALVE PROVING
SERIES 90
CONTROLLER
B B
FOR DIRECT SPARK IGNITION (OIL
OR GAS)
R R
W W
1 120V, 50/60 Hz (EC7840L 220-240 VAC) POWER SUPPLY.
PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
2 DO NOT WIRE TO ANY UNUSED TERMINALS.
3
SEE FLAME DETECTOR INSTALLATION INSTRUCTIONS
FOR CORRECT WIRING.
4
JR2 INTACT ON RM7800L/40L/EC7840L FOR DSI
FUNCTION.
L1
(HOT)
1
L2
PFEP
10 SEC.
00 10 20 25
(4 SEC. IF
JR1 CLIPPED MFEP
POWER POWER
PILOT
PILOT
FLAME
FLAME
MAIN
MAIN
ALARM ALARM
IGN. 5 SEC.
10
10 SEC. IGN./PILOT 8
MV2 21
MAIN VALVE
TO
L1
TO 20
5 18
LOW FIRE SW. TO
FLAME PROVING
13 TO 14
IGNITION
10
TRANSFORMER
MAIN VALVE 1
9
L2
MAIN VALVE 2
21
M27708
00 15
RUN POSTPURGE STANDBY
POWER POWER POWER
PILOT
FLAME
MAIN
ALARM
5
2
1
9
17
7 IC
PII
SSC
13 15
TO
TO
13 14
M27709
32-00142—01