Transcript
ETC® Setup Guide Unison ® DRd Dimming Engine Replacement Overview
This guide outlines the procedure for removing and replacing the Unison® DRd dimming engine. For more information on installing the Unison DRd, please refer to the Unison DRd Rack Enclosure Installation Manual that shipped with your rack or you may download it from our website at www.etcconnect.com.
WARNING:
Before removing the Dimming Engine, de-energize main feed to the dimmer rack and follow appropriate Lockout/Tagout procedures as described in NFPA Standard 70E. It is important to note that electrical equipment such as dimmer racks can present an arc flash safety hazard if improperly serviced. This is due to available large short circuit currents on the feeders of the equipment.
Remo ve the DRd Dimming Engine The rack door has been removed from this graphic for clarity of this procedure.
Step 3
Step 6b
Step 6a
Step 6c
CAUTION:
Before installing the new dimming engine, verify the voltage of the installed unit matches the voltage of the replacement (labeled on the front panels). If the two are different, do not install the replacement. Installing an incorrect voltage dimming engine can result in equipment failure. Contact your authorized dealer or ETC Technical Services for further assistance.
Step 1: Step 2: Step 3: Step 4:
Turn off power to the enclosure and follow appropriate safety procedures. Remove the top dimmer module from the enclosure. Loosen the two captured screws that secure the dimming engine panel. Gently pull the panel straight down until the top of the dimming engine panel is clear of the enclosure. Step 5: Tilt the dimming engine away from the rack enclosure. Step 6: Disconnect the three cables that are attached to the unit: a: For the cable bundle on the left side, squeeze the tabs on either side of the connector and gently pull the cable until it is free from the unit. b: For the ribbon cable connected on the right rear side, release the tabs on either side of the connector by sliding them opposite the connector then gently pull the cable free. c: For the 2-wire harness cable on the right side, gently pull the connector straight out. Step 7: Remove the dimming engine: a: Align the panel perpendicular to the rack. b: Slide the panel up approximately one inch to align the guide pins with the top of the guide slots. c: Pull the panel straight out. Corporate Headquarters 3031 Pleasant View Road, P.O. Box 620979, Middleton, Wisconsin 53562-0979 USA Tel +608 831 4116 Fax +608 836 1736 London, UK Unit 26-28, Victoria Industrial Estate, Victoria Road, London W3 6UU, UK Tel +44 (0)20 8896 1000 Fax +44 (0)20 8896 2000 Rome, IT Via Pieve Torina, 48, 00156 Rome, Italy Tel +39 (06) 32 111 683 Fax +44 (0) 20 8752 8486 Holzkirchen, DE Ohmstrasse 3, 83607 Holzkirchen, Germany Tel +49 (80 24) 47 00-0 Fax +49 (80 24) 47 00-3 00 Hong Kong Rm 1801, 18/F, Tower 1 Phase 1, Enterprise Square, 9 Sheung Yuet Road, Kowloon Bay, Kowloon, Hong Kong Tel +852 2799 1220 Fax +852 2799 9325 Service: (Americas)
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[email protected] Web: www.etcconnect.com Copyright © 2015 ETC. All Rights Reserved. Product information and specifications subject to change. 7183M2280 Rev C Released 2015-05 ETC intends this document to be provided in its entirety.
DRd Dimmi ng En gi ne Set u p Gui de
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ETC Setup Guide DRd Dimming Engine Replacement Replacin g the DRd Dimming Engine Step 5 Step 2b
Step 2a
Step 2c
The rack door has been removed from this graphic for clarity of this procedure. Step 1: Replace the dimming engine. a: Align the panel perpendicular to the enclosure. b: Align the guide pins into the top of the guide slots. c: Slide the panel down the guided slots. Step 2: Reconnect the three cables to the panel: a: For the cable bundle on the left side, push the cable into the connector. The black wire will be closest to you and the blue will be farthest away. The first and sixth pins are flat on one side to prevent the cable from being connected the wrong way. b: For the ribbon cable on the right rear side, gently push the cable into the connector. The tabs on the sides of the connector will close when the cable is properly connected. The ribbon cable has a small tab to prevent it from being connected the wrong way. The tab will be toward the rear of the enclosure. c: For the two-wire cable on the right side, gently push the connector straight down. The black wire will be toward the right side of the rack, and the red will be toward the left. d: A fan speed switch is located above the 2-wire harness (fan harness) on the dimming engine. Ensure that the switch is in the correct position for the installation type. semi-recessed DRd installation
standard DRd installation
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Step 3: Step 4: Step 5: Step 6: Step 7:
For a semi-recessed DRd installation, set the switch to the position that is away from the 2-wire harness. For a standard DRd installation, set the switch closest to the 2-wire harness.
Tilt the dimming engine toward the rack enclosure. Gently push the dimming engine up. Tighten the two captured screws to secure the panel to the rack. Replace the first dimmer module. Reapply power to the enclosure.
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ETC Setup Guide DRd Dimming Engine Replacement Dimming Configu ration Mismatch When power is applied to the rack, the architectural control processor (ACP) may display a dimming configuration mismatch error on reboot. The dimming engine and the ACP both store a copy of the dimming configuration.
Attention: Dimming Configuration Mismatch Detected! Use the Dimming Rack Configuration? Yes No Help
For replacement of a dimming engine into a functional DRd rack containing its original ACP, select “No”, then select “Use backup config” when it displays. The replacement dimming engine will then load the configuration that is stored in the ACP. For other situations, please refer to the Unison Paradigm®, Unison Echo™, or SmartLink® Architectural Control Processor Configuration Manuals. The appropriate manual ships with your processor, or you may download it from our website at www.etcconnect.com.
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