Wiring Subbase Connections - Honeywell RM7800E Installation Instructions Manual

120V 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
3
INITIATE
(INITIAL
00
POWERUP
ONLY)
STANDBY
POWER POWER
LED
DISPLAY
BURNER
OPERATING
CONTROLS
AND
INTERLOCK. CHECK
INTERLOCKS
PREIGNITION INTERLOCK CLOSED
1
FLAME
SAFE START CHECK
SIGNAL
FIRING
RATE
MOTOR
1 FOR THE R7800/R7840E: THE HIGH FIRE SWITCH MUST BE WIRED CORRECTLY TO PERFORM ENERGY SAVING PURGE
FUNCTIONS. THE BURNER/BLOWER MOTOR DOES NOT START UNTIL THE HIGH FIRE SWITCH MAKES.
2 RM7800L1053, RM7840L1026: TERMINAL 21 PROVIDES INTERMITTENT PILOT FUNCTION.
Fig. 2. Wiring subbase and sequence for RM7800E,L/RM7840E,L.
RM7800E,G,L,M; RM7840E,G,L,M 7800 SERIES RELAY MODULES
SERIES 90
FIRING RATE
Q7800 MOTOR
HIGH FIRE
G 12 B
COMMON
L2 13
R
LOW FIRE
14 W
3
MODULATE
4
(L1) 15
5 16
6 17
4
LOW FIRE
7 18
START SWITCH
HIGH FIRE
8
19
PURGE SWITCH
9 20 PREIGNITION
INTERLOCK
10 21
15 SEC.
INTERRUPTED
PILOT VALVE
22
F
MASTER
SWITCH
RM7800/RM7840E,L
PREPURGE PREPURGE
HOLD HOLD
00 00 00
DRIVE TO TIMED DRIVE TO
HIGH FIRE PREPURGE LOW FIRE
POWER POWER POWER
PILOT PILOT
FLAME FLAME
MAIN MAIN
ALARM ALARM
BURNER/BLOWER MOTOR
1
10
LIMITS AND BURNER CONTROLLER CLOSED
LOCKOUT INTERLOCKS CLOSED
4 TO 20
5 TO 19 HIGH FIRE SW.
SWITCHING
13 TO 12
MOTOR ACTION
7
SERIES 90
CONTROLLER
B
FOR DIRECT SPARK IGNITION (OIL
OR GAS)
R
10
W
8
9
1 120V, 50/60 Hz POWER SUPPLY. PROVIDE DISCONNECT
MEANS AND OVERLOAD PROTECTION AS REQUIRED.
2 RM7800/7840E ONLY: HIGH FIRE PURGE SWITCH
2
CONNECTED TO 4 (L1), NOT
3 SEE FLAME DETECTOR INSTALLATION INSTRUCTIONS
5
FOR CORRECT WIRING.
DO NOT WIRE TO ANY UNUSED TERMINALS.
4
RM7840L1026, RM7800L1053 HAVE INTERMITTENT
5
PILOT VALVE FUNCTIONS.
L1
(HOT)
1
L2
PFEP
10 SEC.
10 20 25 00
(4 SEC. IF
JR1 CLIPPED
MFEP RUN
POWER POWER POWER
PILOT PILOT
PILOT
FLAME FLAME
FLAME
MAIN MAIN
MAIN
ALARM ALARM ALARM
5
IGN. 5 SEC.
10 SEC. IGN./PILOT 8
15 SEC. PILOT 21
2
MAIN VALVE 9
TO
L1 6
6
TO 7
LOW FIRE SW. 5 TO 18
FLAME PROVING
13 TO 15
13 14
TO
IGNITION
TRANSFORMER
L2
2ND STAGE
FUEL VALVE
(OPTIONAL)
5 .
M12261C
15
POSTPURGE STANDBY
POWER POWER
IC
PII
SSC
TO
13 14
M12263D
66-1085—04