Filter
Top Products
7800 SERIES RM7824A RELAY MODULE
65-0155—1
8
7. Make sure loads do not exceed the terminal ratings.
Refer to the label on the RM7824A or to the ratings in
the specifications; see Table 1.
8. Check the power supply circuit. The voltage tolerance
must match those of the RM7824A. A separate power
supply circuit may be required for the RM7824A with
the required disconnect means and overload protection
added.
9. Check all wiring circuits and complete the Static
Checkout section before installing the RM7824A on the
subbase; see Table 5.
10. Install all electrical connectors.
11. Restore power to the panel.
M5820A
G
L2
3
5
6
7
8
9
10
F
13
14
15
16
17
18
19
20
21
22
12
MASTER
SWITCH
IGNITION
MAIN FUEL
VALVE(S)
BURNER
CONTROLLER/LIMITS
24 VDC ALARM
INTERMITTENT
PILOT/IGNITION
C7024E,F
ULTRAVIOLET
FLAME DETECTOR
24 VDC POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
DO NOT CONNECT ANY WIRES TO UNUSED TERMINALS.
FOR A CONTINUOUS OR STANDING PILOT, INSTALL AN EXTERNAL RELAY TO SWITCH THE F LEAD. THE
RELAY MUST HAVE GOLD-CLAD OR GOLD-FLASH CONTACTS AND A 120 VAC COIL. POWER THE RELAY
COIL FROM THE Q7800 SUBBASE TERMINAL 8. CONNECT THE RELAY CONTACTS BETWEEN THE F LEAD OF
THE DETECTOR AND THE F TERMINAL OF THE Q7800 SUBBASE. A 24 VDC RELAY IS ACCEPTABLE TO
USE IN THIS TYPE OF APPLICATION. USE THE N.O. PILOT DUTY CONTACTS.
+
–
1
BLUEYELLOW
L2
WHITE
WHITE
BLACK
RED
3
L2
1
Q7800
2
2
3
3
4
24 VDC
C7015 INFRARED
(LEAD SULFIDE)
DETECTOR
OR
BROWN
WHITE
Fig. 6. Wiring the RM7824A.