EC7823A;RM7823A 7800 SERIES RELAY MODULES
66-1086—2
4
Fig. 2. Wiring subbase for EC/RM7823A.
7.
Recommended wire routing of leadwires:
a. Do not run high voltage ignition transformer wires
in the same conduit with the flame detector.
b. Do not route flame detector leadwires in conduit
with line voltage circuits.
c. Enclose flame detector leadwires without armor
cable in metal cable or conduit.
d. Follow directions in flame detector instructions.
8.
Maximum wire lengths:
a. EC/RM7823A leadwires: The maximum leadwire
length is 300 feet to terminal inputs.
b. Flame Detector leadwires: The maximum flame
sensor leadwire length is limited by the flame
signal strength.
9.
Make sure loads do not exceed the terminal ratings.
Refer to the label on the EC/RM7823A or to the ratings
in Tables 3 and 4.
Final Wiring Check
1.
Check the power supply circuit. The voltage and
frequency tolerance must match those of the
EC/RM7823A. A separate power supply circuit may
be required for the EC/RM7823A. Add the required
disconnect means and overload protection.
2.
Check all wiring circuits and complete the Static
Checkout in Table 5 before installing the EC/RM7823A
on the subbase.
3.
Install all electrical connectors.
4.
Restore panel power.
M15080GR
G
L2
3
4
5
6
7
8
9
10
F
(L1)
13
14
15
16
17
18
19
20
21
22
12
MASTER
SWITCH
NORMALLY
CLOSED
NORMALLY
OPEN
COMMON
FLAME DETECTOR
120V, 50/60 Hz (RM7823); 220-240V, 50/60 Hz (EC7823) POWER SUPPLY. PROVIDE
DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED.
DO NOT CONNECT ANY WIRES TO UNUSED TERMINALS
OUTPUTS SHOWN ARE WHEN THE DEVICE DOES NOT SEE FLAME.
SEE FLAME DETECTOR INSTALLATION INSTRUCTIONS FOR CORRECT WIRING.
NOTE: FOR EC7823, A 220/240V TO 120V, 10VA, STEP-DOWN TRANSFORMER IS REQUIRED.
L1
(HOT)
L2
1
1
Q7800
2
2
NORMALLY
CLOSED
NORMALLY
OPEN
COMMON
4
4
3
3
3