Liebert SmartSwitchTM operation manual Important Safety Instructions

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IMPORTANT SAFETY INSTRUCTIONS

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WARNING

THERE ARE NO USER-SERVICEABLE PARTS INSIDE THE REMOVABLE ELECTRONICS MODULE. OPENING OR REMOVING THE COVER OF THE REMOVABLE ELECTRONICS MODULE MAY EXPOSE HAZARDOUS VOLTAGES, EVEN WHEN THE SMARTSWITCH™ IS IN BYPASS. DO NOT ATTEMPT TO SERVICE THIS PRODUCT YOURSELF. REFER ALL SERVICING TO QUALIFIED SERVICE PERSONNEL.

NOTE

Read the entire User’s Manual before installing and operating the SmartSwitch. Adhere to all operating instructions and warnings on the unit and in this manual.

Liebert Corporation neither recommends nor knowingly sells this product for use with life support or other FDA-designated “critical” devices.

The SmartSwitch is suitable for indoor use only. Protect unit from excessive moisture and install in an area free from flammable liquids, gases, or corrosive substances.

The unit is designed to operate from solidly grounded AC power sources only. Provide input overcurrent protection in accordance with the unit ratings. Wire and ground the unit according to national and local electrical safety codes.

CAUTION

The unit is supplied by two power sources. Unit may be electrically live if either of the two input sources is ON, even when the electronics module is removed. To isolate the unit, turn OFF and lock out BOTH input power sources.

CAUTION

If unit is furnished with input power plugs, the ground (earth) leakage current must not exceed 2.75 milliamperes. Most information technology equipment meets this requirement if no more than 4 pieces of equipment are powered from this unit. Note: These instructions may be modified by local wiring regulations.

! CAUTION

This unit complies with the limits for a Class A digital device, pursuant to Part 15 Subpart J of the FCC rules. These limits provide reasonable protection against harmful interference in a commercial environment. This unit generates, uses and radiates radio frequency energy and, if not installed and used in accordance with this instruction manual, may cause harmful interference to radio communications. Operation of this unit in a residential area may cause harmful interference which the user must correct at his own expense.

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Contents Power Protection SmartSwitchPage Table of Contents Figures Important Safety Instructions Introduction SpecificationsElectrical Specifications Connector Receptacle Voltage No. of Conductors SmartSwitch RatingsDesignation Phase Neutral Gnd Poles Amps Type Refer to EnclosureLocation Considerations Unpacking and InstallationLb.-in N-m Input and Output Power ConnectionsWire Size Tightening Torque 17.25 18.5 469 Typical 25 to 60 Amp SmartSwitch Underfloor / Wallmount Unit Typical Input and Output Power Connections Grounding Control Wiring ConnectionsStatus Indicators Description of SmartSwitch OperationSmartSwitch Status Indicators Indicator DescriptionExample View Status Response RS-232 Ascii Communication Port Customer CommandsRS-232 Communications Port Logged Events include Example View Settings ResponseExample View Event Log Response Operator Controls Bypass/Transfer Control SwitchOperating Guidelines Operating Guidelines Maintenance Maintenance Technical Support Automatic Transfer Switch