Honeywell 7800 SERIES

RM7885A 7800 SERIES RELAY MODULES
9 32-00215—01
Fig. 5. Cascading two or more burners or supervising two or more pilots when required for safe ignition of one burner.
M15105A
G
L2
3
5
6
7
8
9
10
F
(L1)
13
14
15
16
17
18
19
20
21
22
12
MASTER
SWITCH
IGNITION
INTERMITTENT
PILOT
FLAME DETECTOR
120 VAC, 50/60 HZ (RM7885A); 220-240 VAC, 50/60 HZ (EC7885A) POWER SUPPLY.
PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
DO NOT CONNECT ANY WIRES TO UNUSED TERMINALS.
SEE FLAME DETECTOR SPECIFICATION FOR CORRECT WIRING.
220-240 VAC TO 120 VAC, 10 VA MINIMUM, STEPDOWN TRANSFORMER
(NOT PROVIDED) REQUIRED TO DRIVE SHUTTER (EC7885A ONLY).
ALARM
ALARM
L1
(HOT)
L2
Q7800
4
1
2
2
1
LIMITS
STOP
S445A
START-STOP
STATION
START
B
A
D
C
INTERNAL
JUMPER
DPST ALARM
SILENCING
SWITCH
G
L2
3
5
6
7
8
9
10
F
(L1)
13
14
15
16
17
18
19
20
21
22
12
IGNITION
FLAME DETECTOR
Q7800
4
2
LIMITS
STOP
S445A
START-STOP
STATION
START
B
A
D
C
INTERNAL
JUMPER
DPST ALARM
SILENCING
SWITCH
INTERMITTENT
PILOT
MAIN FUEL
VALVE(S)
3
4
3
3
4