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Greengate
General Information
In the past, all emergency lights were left on 24 hours a day
to meet safety codes. Now you can specify & install a UL924
Listed Emergency Power Control CEPC-2-D, which converts up
to 20A of normal light fixtures to approved emergency lights.
During normal operation, the CEPC-2-D dimms and switches
designated emergency lights with the same switch or control as
your normal lights. During a utility power interruption, the CEPC-
2-D turns designated emergency lights on to full brightness,
regardless of dimmer output position.
Emergency Power Source and Method
of Operation
The emergency luminaire power is derived from a 24 hour central
emergency power source. The local utility power company
normally supplies the power through a UL 1008 Transfer Switch
or equal, but during a utility power failure, the transfer switch
automatically switches to the emergency power source. The
room switch turns ON and OFF both regular and emergency
luminaires simultaneously. This is accomplished by having the
room switch leg power activate the Cooper Emergency Power
Control, CEPC-2-D. Wire input #1 or #2 and neutral are connected
internally to a sensing circuit. During a power interruption on
the sensing input, this circuit causes contact X to drop into
a N.C. position and turns ON the emergency load(s). Review
wiring diagram.
Patented Automatic Diagnostic - When the room switch is
turned off, CEPC-2-D tests itself for 2.5 seconds, testing that
an emergency power source is available and that the CEPC-2-D,
lighting is functioning correctly. This feature eliminates the need
IB503059EN page 2
March 2020
Emergency Power Control
for manual monthly testing and is approved for this purpose.
This allows installation in any location because its test switch
does not need to be accessible. This feature can be disabled in
the field by cutting the blue jumper.
Fire Alarm / Remote Test Switch - Some applications demand
that emergency lighting be activated upon fire alarm, security
alarm, or remote test switch activation. The CEPC-2-D is
equipped with a low voltage override input (red jumper).
Universal Mounting - Unique enclosure permits flush, fixture,
plenum or panel mounting.
Installation
In order to install the CEPC-2-D in accordance with national/
local code requirements, a qualified electrician should review &
understand the installation instructions. Check voltage & current
requirements. Verify & lock out circuit breakers on both regular
(utility) power & 24 hour emergency generator or inverter circuit.
Install a self-adhesive 2" x 3" caution label in each fixture or load
controlled by an CEPC-2-D cautioning that the load is supplied
from 2 different power sources, normal & emergency. Review
wiring diagram & connect wires, one at a time, in accordance
with the numeric identification. In order to provide a safe light
level, when regular power is interrupted, it is recommended
that a minimum of approximately 5000 lumen are controlled
by a 24 hour emergency circuit & are spaced no farther than
24' in any direction from each other in a normal 9' white ceiling
environment.9' white ceiling environment. hour emergency
generator or inverter circuit. Install a self-adhesive 2" x 3" caution
label in each fixture or load controlled by an CEPC-2-D cautioning
that the load is supplied from 2 different power sources, normal
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Emergency Power Control
& emergency. Review wiring diagram & connect wires, one at a
time, in accordance with the numeric identification. In order to
provide a safe light level, when regular power is interrupted, it is
recommended that a minimum of approximately 5000 lumen are
controlled by a 24 hour emergency circuit & are spaced no farther
than 24' in any direction from each other in a normal 9' white
ceiling environment.
Trouble Shooting & Maintenance of CEPC-2-D
In a new installation, where hundreds of devices may be used,
each having as many as 14 wires to be correctly connected, it
is important that a fast, convenient method is used to check
connections. In order to test that the wires are connected
correctly, without any inconvenience to occupants, do not turn off
regular (utility) power off until you have checked each device as
follows:
1.
Check that regular branch circuit breaker is connected &
utility power is available. Green LED should be lit. If green
LED is not lit, check connections & continuity to branch
circuit breaker.
2.
Check that emergency branch circuit breaker is connected
& emergency power is available. Red LED should be lit. If
red LED is not lit, check connections & continuity to branch
circuit breaker.
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Greengate
3.
Normal Operation Test: Turn room switch or other control
device to the "ON" position. Normal & emergency lights
should turn on. Turn room switch or control to the "OFF"
position. Normal lights should turn off immediately. If
blue loop is connected, emergency lights should stay on
for at least 2.5 seconds. If blue jumper is cut and capped,
emergency lights should turn off immediately.
4.
Emergency Operation Test: Press and hold test button,
emergency lights should illuminate until test buttons
released.
Electrical Specifications
Mechanical Specifications
Model CEPC-2-D
Mounts in 4-11/16" Junction Box
120V or 277V Sensing Input
With Single gang plastic ring
120V or 277V Load
UL2043 Rating
20A Ballast Load Rating
Shipping Weight: 8oz.
1800W Incandescent Load Rating
Temperature: 40° F -140° F
@ 120V
(40° C – 60° C)
1500W Incandescent Load Rating
Color: White
@ 277V
UL 924 Listed (usUL/cUL)
Flush mounted size: 41/2" x 2-¾" x ¼"
Body size: 2-7/8" x 1-¾"x 1-¾"
IB503059EN page 3
March 2020
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