Gebruiksaanwijzing /service van het product EPW9 van de fabrikant APC
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Installation and Operation Emergency Power Off System test.
Legal Disclaimer The information presented in this manual is not warranted by the Schneider Electric IT Corporation to be authoritative, error free, or complete. This publication is not meant to be a substitute for a detailed operational and site specic development plan.
T able of Contents IMPORT ANT SAFETY INSTRUCTIONS SA VE THESE INSTRUCTIONS ............................................................................................................... 1 Safety Instructions for North America ........................
ii Emergency Power Of f System Installation and Operation 990–161 1C-001.
IMPORT ANT SAFETY INSTRUCTIONS SA VE THESE INSTRUCTIONS This manual contains important instructions that should be followed during installation, operation, and maintenance of the EPO system. Safety Instructions for North America W ARNING: Only certied electricians may install the system and the wiring to the products IT controls.
Safety Instructions for Europe, Middle East, and Africa W ARNING: Only certied electricians may install the system and the wiring to the products IT controls. W ARNING: Assembly has not been evaluated for emergency life critical applications, but is intended for emergency equipment power off.
Specications Electrical Input/Output V oltage 24 VDC 48 VDC/240 V AC (External circuit) Current 1 A at 24 VDC 1 A at 48 VDC (External circuit) Frequency 50/60 Hz Circuits (qty) 9 Contact state Normally Open (NO) Physical Dimensions (W×L×D) EPO box 226 × 251×66 mm (8.
Overview Emergency Power Off System The Emer gency Power Off (EPO) System consists of one or more wall-mounted, push-button EPO boxes. Each EPO box provides a single point of equipment shutdown for up to eight APC devices and one third-party device (such as an upstream breaker), using Normally Open (NO) contact closure connections.
Note: W iring, conduits, and mounting hardware are not provided. 990–161 1C-001 Emergency Power Off System Installation and Operation 5.
Installation Prepare the EPO 1. Open the EPO System box by removing the screws on the side. Keep the screws for use after the system is installed. The box will not close securely without the screws in place. 2. Mount the system in a readily-accessible area, on a wall near the principal entrance doors, according to NEC Articles 645.
3. Install an appropriate tting with a lock-nut for each knockout used. 4. Connect conduits to the ttings. Note: If not using conduits, run the cables through the knockout directly .
2. Run the conduits (or cables) from the connected devices to the junction or switch box. If using conduits, it will contain all wiring from the connected devices and all cascading cables.
7. Reinforce the EPO box with 6 mm (¼ in) screws in the corner mounting holes. Note: The top two 6 mm (¼ in) mounting holes may be blocked by some junction boxes. In this instance, use only the bottom two 6 mm (¼ in) mounting holes for reinforcement.
5. Connect a suitable ground or PE wire to the #8-32 ground stud in the lower left corner of the EPO box. Mount Additional EPO Boxes There are two alternatives for wiring additional EPO boxes.
APC APC APC APC APC APC APC APC Note: The recommended maximum total distance of wire, to run per circuit is 300 m (1000 ft). Cascade the APC Devices with CA T -5 Cables Connect the CA T -5 cables to the jacks inside the EPO box. Each cable can support up to four APC device wire pairs.
Cascade the Auxiliary Device with Wire Pairs 1. After wires are run from auxiliary device (1) to terminal block position 9, run a second set of wires (2) from terminal block position 9 on the rst EPO box to terminal block position 9 on the second EPO box.
Note: If an APC FM Series Precision Air Conditioning System connected to the EPO box, pressing the check point will shut off functionality to the unit, but the unit will still be powered.
Operation Engage the System 1. Lift the shield on any of the installed EPO boxes and press the button. A red ag will drop down from the box, providing an easy visual mark as to which EPO box in your room has been activated. Reset the EPO System 1. Pull the button towards you (1) and push the ag up until it catches (2).
Reset the Equipment Apply power to the devices according to the procedures for each device. Note: Refer to the operation manual included with each device for specic instructions on how to apply power to the device.
Wiring Diagram 16 Emergency Power Off System Installation and Operation 990–161 1C-001.
990–161 1C-001 Emergency Power Off System Installation and Operation 17.
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Worldwide Customer Support Customer support is available at no charge via e-mail or telephone. Contact information is available at www .apc.com/support/contact © Schneider Electric. APC and the APC logo are owned by Schneider Electric Industries S.A.
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