Liebert SmartSwitchTM User Manual

POWER PROTECTION SmartSwitch™Automatic Transfer SwitchInstallation andOperation Manual

6 Unpacking and Installation2.2 Input and Output Power ConnectionsAll wiring should be installed by a qualified electrician. All wiring must

Unpacking and Installation 7Figure 2 Typical 15 to 20 Amp SmartSwitch Rackmount Unit 0.279"x0.406" (7x10)5.20"(132)18.5"(

8 Unpacking and InstallationFigure 3 Typical 25 to 60 Amp SmartSwitch Underfloor / Wallmount Unit If the unit is furnished with input power c

Unpacking and Installation 9Figure 4 shows the typical input and output power connections to the SmartSwitch. The Smart-Switch can accept up

10 Unpacking and Installation2.3 GroundingProper, NEC-specified equipment grounding is required for safety purposes. An insulated equip-ment

Operating Instructions 113.0 OPERATING INSTRUCTIONS 3.1 Description of SmartSwitch OperationThe SmartSwitch™ is an automatic transfer switch

12 Operating Instructions3.3 RS-232 Communications PortThe SmartSwitch contains an RS-232 ASCII communications port for changing user setting

Operating Instructions 13Table 5 Example View Event Log ResponseDATE TIME DESCRIPTION Logged Events include: 10/21/97 16:34:39 Transferred to

14 Operator Controls4.0 OPERATOR CONTROLS4.1 Bypass/Transfer Control SwitchThe SmartSwitch is furnished with a Bypass/Transfer Control switch

Operating Guidelines 155.0 OPERATING GUIDELINESAfter installation, the following operating guidelines can be used for standard equipment oper

16 Operating GuidelinesTransfer Control switch to “Bypass To S2” position. If source 2 is not available and the load is not connected to sour

Maintenance 176.0 MAINTENANCE Minimal periodic maintenance of the SmartSwitch is required in normal operation. For assurance of continued pro

18 Maintenance

Revised: February 2001SmartSwitch™Automatic Transfer Switch Technical SupportThe Company Behind The ProductsWith more than 500,000 installations aroun

iTABLE OF CONTENTSIMPORTANT SAFETY INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11

ii FIGURESFigure 1 Typical SmartSwitch One-Line Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Figure 2

1IMPORTANT SAFETY INSTRUCTIONS !WARNINGTHERE ARE NO USER-SERVICEABLE PARTS INSIDE THE REMOVABLE ELECTRONICS MODULE. OPENING OR REMOVING THE

2 Introduction1.0 INTRODUCTIONThe SmartSwitch™ is an automatic transfer switch designed to provide fast automatic transfers between two indep

Introduction 31.1.2 Electrical Specifications• Nominal input voltage 120 or 208 volts single phase 2W+G, 60 Hz220, 230, or 240 volts single p

4 IntroductionTable 1 SmartSwitch™ RatingsConnectorDesignationReceptacle VoltageNo. of Conductors OPD* EnclosurePhase Neutral Gnd Poles Amps

Unpacking and Installation 52.0 UNPACKING AND INSTALLATIONA quality installation begins on the receiving dock.Upon receipt and before unpacki