Honeywell RM7800L1087 Installation Instructions Manual page 8

RELAY MODULES WITH VALVE PROVING
LINE VOLTAGE
ALARM
BURNER MOTOR
(BLOWER)
BURNER
CONTROLLER/LIMITS
LOCKOUT INTERLOCKS
(INC. AIR FLOW SWITCH)
10 SEC. INTERRUPTED
PILOT/IGNITION
MAIN FUEL VALVE(S)
5 SECOND IGNITION
(EARLY SPARK
TERMINATION)
FLAME DETECTOR
INITIATE
(INITIAL
POWERUP
ONLY)
POWER
LED
DISPLAY
BURNER
OPERATING
CONTROLS
AND
INTERLOCK. CHECK
INTERLOCKS
FLAME
SIGNAL
FIRING
RATE
MOTOR
Fig. 3. Typical wiring subbase and sequence for RM7800L/40L, EC7840L without enabled Valve Proving.
32-00142—01
Q7800
HIGH FIRE
G 12
COMMON
L2
13
LOW FIRE
3 14
MODULATE
4 15
(L1)
5 16
6 17
2
7 18
8
19
9 20
10 21
F 22
3
RM7800/RM7840L/EC7840L
PREPURGE
HOLD
00 00
TIMED
DRIVE TO
PREPURGE
STANDBY HIGH FIRE
POWER POWER POWER
PILOT
FLAME
MAIN
ALARM
BURNER/BLOWER MOTOR
LIMITS AND BURNER CONTROLLER CLOSED
LOCKOUT INTERLOCKS CLOSED
PREIGNITION INTERLOCK CLOSED
5 TO 19 HIGH FIRE SW.
SAFE START CHECK
SWITCHING
13
TO
MOTOR ACTION
SERIES 90
FIRING RATE
SERIES 90
MOTOR CONTROLLER
B
B
R R
W W
LOW FIRE
START SWITCH
1 120V, 50/60 Hz (EC7840L 220-240 VAC) POWER SUPPLY.
HIGH FIRE PROVIDE DISCONNECT MEANS AND OVERLOAD
PURGE SWITCH
PROTECTION AS REQUIRED.
2
DO NOT WIRE TO ANY UNUSED TERMINALS.
PREIGNITION
INTERLOCK
3
SEE FLAME DETECTOR INSTALLATION INSTRUCTIONS
FOR CORRECT WIRING.
15 SEC.
INTERRUPTED
PILOT VALVE
L1
(HOT)
1
L2
MASTER
SWITCH
PREPURGE PFEP
HOLD 10 SEC.
00 00 10
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
IGN. 5 SEC.
10
10 SEC. IGN./PILOT 8
15 SEC. PILOT
MAIN VALVE
4 TO 20
5
LOW FIRE SW.
FLAME PROVING
13
TO
12
8
FOR DIRECT SPARK IGNITION (OIL
OR GAS)
IGNITION
10
TRANSFORMER
8
2ND STAGE
9
FUEL VALVE
(OPTIONAL)
20 25 00 15
RUN POSTPURGE
POWER POWER
PILOT
FLAME
MAIN
ALARM
5
21
9
TO
L1 6
6 TO 7
18
TO
13 15
TO
TO
14 13 14
L2
M27706
STANDBY
POWER
IC
PII
SSC