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ETC Installation Guide
Automatic Load Control Relay
Overview
The Automatic Load Control Relay (ALCR-DIN) is a UL 924 listed device,
powered by a normal/emergency source. The ALCR-DIN tracks the state
of normal power and automatically bypasses control of
the load to the emergency state upon loss of the normal
power sense feed source or when triggered by an
emergency contact closure (for example, a fire alarm). The
ALCR-DIN ensures a lights-on state during loss of normal
power while tracking and matching the control state of
normal lighting loads during normal operation.
The ALCR-DIN provides a relay output that follows the
state of a normal input. Because the output is a relay, the
output side of the ALCR-DIN does not dim, however the
ALCR-DIN can be used in a dimming application when installed correctly
to do so. See
ALCR-DIN can be secondarily connected to a 0-10 VDC control source.
Even with external 0-10 VDC control present, in an emergency state the
ALCR-DIN bypasses the external control source and allows the fixture to
switch to its data-loss state (On full).
Specifications
• Rated for indoor use only. 0°C–50°C (32°F–122°F), 10-95%
non-condensing humidity
• UL, cUL listed Emergency Lighting Equipment under UL 924 at line
voltages of 120/277 VAC, 60 Hz.
• Load ratings:
‐ Ballast load rating: 20 A maximum at 120 or 277 VAC.
‐ Incandescent load rating: 10 A maximum at 120 or 277 VAC.
• For installation with field-installed conductors of 60° C minimum
rating.
• Provides remote activation by a normally closed, dry contact closure
for connection to a fire alarm or building management system.
• Provides auxiliary contact for 0–10 VDC controllers, DALI loops, or
fluorescent ballasts.
Examples of Use on page 9
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Trademark and patent info:
subject to change. ETC intends this document to be provided in its entirety.
7180M2151 Rev A Released 2023-02
for details. Alternatively, the
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| © 2023 Electronic Theatre Controls, Inc.
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| Product information and specifications
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Table of Contents
Related Manuals for ETC ALCR-DIN
Summary of Contents for ETC ALCR-DIN
- Page 1 ETC Installation Guide Automatic Load Control Relay Overview The Automatic Load Control Relay (ALCR-DIN) is a UL 924 listed device, powered by a normal/emergency source. The ALCR-DIN tracks the state of normal power and automatically bypasses control of the load to the emergency state upon loss of the normal power sense feed source or when triggered by an emergency contact closure (for example, a fire alarm).
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Page 2: Installation Requirements
Note: The ALCR-DIN does not provide emergency power transfer. The normal power sense feed allows the ALCR-DIN only to detect the loss of normal power; it does not connect to the load. In order to control fixtures that are intended to operate under both normal power and emergency power, a branch circuit fed from a normal/emergency panel is required. -
Page 3: Important Safeguards
Note: Follow applicable NEC and local electrical code requirements when installing and powering the controller. The ALCR-DIN must be installed in a suitably insulated or grounded enclosure, such that live terminals are not accessible. ALCR-DIN Page 3 of 12... - Page 4 ETC Installation Guide ALCR-DIN Install and Terminate ALCR-DIN The ALCR-DIN is designed to attach to lighting control panels or electrical enclosures that are fitted with a DIN rail and connected before the loads in the circuit. Remote Activation Input Normally closed Remote 0–10 V/...
- Page 5 7. Restore power to the circuits. Remote Activation Input The ALCR-DIN offers a normally closed, dry contact input to accommodate connection to a fire alarm panel, security system, or test switch. This input ships from the factory with a blue wire loop (jumper) connected to two of the top screw terminals.
- Page 6 ETC Installation Guide ALCR-DIN 2. Connect the Remote Loop In and Remote Loop Out terminals on the ALCR-DIN to the single pole contacts on the remote device or test switch. Remote Activation Test on page 8 3. Go to to confirm the connection.
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Page 7: Power Up And Test
ALCR-DIN Power Up and Test Initial Test Initial testing of the ALCR-DIN should be done with the Remote Loop In and Remote Loop Out jumper installed. 1. Turn On the circuit breaker in the emergency panel for the controlled circuit. The Status LED on the ALCR-DIN illuminates red. - Page 8 • With the remote device in normal mode (contacts closed), the Status LED on the ALCR-DIN will show green and the device operates as it did with the factory-installed jumper. • When the remote device activates, the Status LED shows red, indicating a switch to emergency state.
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Page 9: Examples Of Use
ETC Installation Guide ALCR-DIN Examples of Use Note: In the following diagrams, unused wire pairs are omitted for clarity of the example installation scenario. Switch Control Arrangement • When normal power is present, the switch controls both the normal and emergency light fixtures. - Page 10 ETC Installation Guide ALCR-DIN Phase Dimmer Control • When normal power is present, the emergency fixture behaves as a normally controlled fixture. • When the normal power is lost, when the [Push to Test] button is pressed, or when the remote activation input is activated (opened), the emergency fixture turns On full.
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Page 11: Fcc Compliance
ETC Installation Guide ALCR-DIN FCC Compliance Automatic Load Control Relay - ALCR-DIN (For any FCC matters): Electronic Theatre Controls, Inc. 3031 Pleasant View Road Middleton, WI 53562 +1 (608) 831-4116 etcconnect.com This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) this device may not cause harmful... - Page 12 ETC Installation Guide ALCR-DIN ALCR-DIN Page 12 of 12...