44
Field Wiring
6.7 Power Supply Connections
The power supply is part of the main chassis. The ratings are outlined in the table below.
For more information see Appendix C: Specifications on page 75. Wire as shown in Figure 25
using proper wire gauges.
Figure 25 Power Supply Connections
Model Electrical Input Ratings Power Supply
Total Current
Battery Fuse on Main
Module
MCC-1024-6(S)
Main Chassis
120 VAC, 60 Hz / 240 VAC, 50Hz 6 amps maximum
Replace with 20 amp, 1
¼"
Fast Acting Fuse
MCC-1024-12(S)
Main Chassis
120 VAC, 60 Hz / 240 VAC, 50Hz 12 amps maximum
Replace with 20 amp, 1
¼"
Fast Acting Fuse
Attention: To prevent sparking, connect batteries after the system main A.C. power
turns on.
Do not exceed power supply ratings.
P9
CONNECT GREEN
EARTH GROUND WIRE
TO MAIN MODULE PCB
MOUNTING SCREW.
TO 24 VDC
BATTERY
BLACK
P7P8 P10
+
-
BAT
RED
LL
N
G
GREEN
TO DEDICATED
BRANCH CIRCUIT
240V, 50Hz
120V, 60Hz
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