Emergency Command Center Manual —
P/N LS10001-000FL-E:G 5/3/2016
31
Operating Power
Installation
2.3 Operating Power
2.3.1 AC Power and Earth Ground Connection
Primary power source for the ECC-50/100 is 120 VAC, 60 Hz, 3.5 amps. Primary power source for
the ECC-50/100E is 240 VAC, 50 Hz, 2.0 amps. Over-current protection for this circuit must com-
ply with Article 760 of the National Electrical Code (NEC) and/or local codes. Make certain that
the AC mains circuit breaker is off before making any wiring connections between the mains and
the panel. Connect AC mains wiring from the protected premises main breaker box to TB15 of the
main control board. Use 14 AWG (2.0 mm2, 1.6 mm O.D.) or heavier gauge wire with 600V insu-
lation. No other equipment may be connected to this circuit and it may not contain any power dis-
connect devices. A separate Earth Ground connection must be made to ensure proper panel
operation and lightning and transient protection. Do not use conduit for the Earth Ground connec-
tion since this does not provide reliable protection. Remove the two keps nuts from the grounding
stud in the backbox. Connect the incoming earth ground wire to supplied cable #71073 with a wire
nut. Position the ring terminal end over the grounding stud. Secure with one of the keps nuts. Place
the ring terminal from the other supplied cable to TB15. Refer to Figure 2.6 for the location of the
stud. Apply AC power to the panel only after the system is completely installed and visually
checked.
Note that AC power must be applied to the panel before installing the battery interconnect
cable (refer to the following section)
.
!
WARNING: RISK OF EQUIPMENT DAMAGE AND PERSONAL INJURY
SEVERAL DIFFERENT SOURCES OF POWER CAN BE CONNECTED TO THIS PANEL. DISCON-
NECT ALL SOURCES OF POWER BEFORE SERVICING. THE PANEL AND ASSOCIATED
EQUIPMENT MAY BE DAMAGED BY REMOVING AND/OR INSERTING CARDS, MODULES OR
INTERCONNECTING CABLES WHILE THIS UNIT IS ENERGIZED. BE SURE TO OBSERVE
PROPER GROUNDING AND HANDLING PROCEDURES.
Figure 2.6 Earth Ground Connection
e
c
c
g
n
d
.w
m
f
grounding stud
keps nuts
Grounding
Cable #71073
grounding stud
Equipment
Ground
Summary of Contents for ECC-50/100
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