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E T C I n s t a l l a t i o n G u i d e
Automatic Load Control Relay
Examples of Use
Normal Hot (Black)
Emergency Hot
Emergency Neutral (Gray)
Normal Neutral (White)
Normal Hot (Black)
Emergency Hot
Emergency Neutral (Gray)
Dimmed Circuit
ETC D20FB
module in
Sensor or
Dimmer Neutral (White)
Unison Dimmer
Dimmer Hot Feed
Rack
Emergency Hot
Emergency Neutral (Gray)
0-10V Emergency Fixture
0-10V Non-Emergency Fixture
Au toma tic Loa d C ontro l R ela y
Normal Neutral (White)
Normal Switch
(Red)
Normal Light Fixture
ALCR
Emergency Load
Normal Switch
(Red)
ALCR
Emergency Load
ALCR
Emergency Load
0-10V signal
A
UTOMATED
C
ONTROL
(ALCR-DIN)
Status
LED
Emergency
Emergency Hot
Emergency Neutral (White)
Emergency Load
P age 8 of 8
Switch Control Arrangement
• When normal power is present, switch controls both
the normal and emergency light fixtures
• When normal power is lost, the emergency light
fixture(s) turn on regardless of the switch state
Emergency Light Fixture
Backup Arrangement
• When normal power is present, the emergency
load is turned off
• When normal power is lost, the emergency load
turns on
*
WIRE
NUT
* Cap end with wire nut or other suitable method to
prevent contact with bare wire.
Emergency Light Fixture
Dimmer Control with D20FB
• When normal power is present, normal fixture(s) dim
and emergency fixture(s) remain off
• When normal power is lost or dimmer circuit
breaker trips, emergency fixture(s) turns on
Normal Light Fixture
Emergency Light Fixture
0-10V common
0-10V signal
0-10V Fixture Control (ALCR-DIN only)
Remote
0-10V /
Loop
FLO
• When normal power is present and switch is
closed, both 0-10V controlled fixture(s) dim.
L
OAD
R
ELAY
• When normal power is present and switch is open,
both 0-10V controlled fixture(s) turn off.
• When normal power is lost or fire alarm connection
is broken, all fixture(s) turn on to full - 0-10V
Option
Remote
Button
LED
connection is opened.
Normal
Normal
Neutral (White)
Normal Hot (Black)
0-10V
controller
E le ctron ic The atre Co ntrol s, Inc .
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