Page 3 - TABLE OF CONTENTS
i TABLE OF CONTENTS I MPORTANT S AFETY I NSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.0 I NTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 1.1 Specifications . . . ...
Page 4 - ii; FIGURES
ii FIGURES Figure 1 Typical SmartSwitch One-Line Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Figure 2 Typical 15 to 20 Amp SmartSwitch Rackmount Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Figure 3 Typical 25 to 60 Amp Smar...
Page 5 - Read the entire User’s Manual before installing and operating the
1 I MPORTANT S AFETY I NSTRUCTIONS ! WARNINGTHERE 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 YO...
Page 6 - Introduction; NTRODUCTION; shows a typical one-line schematic diagram of the SmartSwitch.; Figure 1; Specifications
2 Introduction 1.0 I NTRODUCTION The SmartSwitch™ is an automatic transfer switch designed to provide fast automatic transfers between two independent, synchronous AC power sources to provide continuity of AC power to critical equipment, such as information technology equipment, despite irregulariti...
Page 7 - Introduction 3; • Nominal input voltage
Introduction 3 1.1.2 Electrical Specifications • Nominal input voltage 120 or 208 volts single phase 2W+G, 60 Hz220, 230, or 240 volts single phase 2W+G, 50 Hz208/120 volts single phase 3W+G, 60 Hz208 volts three phase, 3W+G, 60 Hz208/120 volts three phase, 4W+G, 60 Hz380, 400, or 415 volts three-ph...
Page 9 - Unpacking and Installation 5; NPACKING; Location Considerations
Unpacking and Installation 5 2.0 U NPACKING AND I NSTALLATION A quality installation begins on the receiving dock.Upon receipt and before unpacking, inspect the shipping container for damage or mishandling. If carton is damaged, note on shipper’s receipt and check for concealed damage. If any damage...
Page 10 - Unpacking and Installation; Input and Output Power Connections; applicable local codes.
6 Unpacking and Installation 2.2 Input and Output Power Connections All wiring should be installed by a qualified electrician. All wiring must comply with NEC and applicable local codes. If the unit is not furnished with input power cables, then input power connections are made to terminal blocks lo...
Page 11 - Unpacking and Installation 7; Figure 2
Unpacking and Installation 7 Figure 2 Typical 15 to 20 Amp SmartSwitch Rackmount Unit 0.279" x 0.406" (7 x 10) 5.20" (132) 18.5" (469) 0.85" (21.5) 3.5" (88.9) 17.25" (438)
Page 12 - Unpacking and Installation; Figure 3; particular SmartSwitch used is listed in the unit ratings table
8 Unpacking and Installation Figure 3 Typical 25 to 60 Amp SmartSwitch Underfloor / Wallmount Unit If the unit is furnished with input power cables, the input power connections are made to the receptacles matching the input power plugs furnished located in close proximity to the Smart- Switch (typic...
Page 13 - Unpacking and Installation 9; ratings table; Figure 4; to use the same phase from each input power source to maintain
Unpacking and Installation 9 Figure 4 shows the typical input and output power connections to the SmartSwitch. The Smart- Switch can accept up to 3 phase conductors, a neutral conductor and an equipment grounding con- ductor per input and output to match the specified supply voltage configuration. S...
Page 14 - 0 Unpacking and Installation; Grounding
10 Unpacking and Installation 2.3 Grounding Proper, NEC-specified equipment grounding is required for safety purposes. An insulated equip- ment grounding conductor is recommended to be run with each input and output power connec- tion. The equipment grounding conductors should be at least the minimu...
Page 15 - Description of SmartSwitch Operation; module to indicate the unit and source status. See; Table 2; for a listing of the status indicators; SmartSwitch into operation.; NOTE; Indicator
Operating Instructions 11 3.0 O PERATING I NSTRUCTIONS 3.1 Description of SmartSwitch Operation The SmartSwitch™ is an automatic transfer switch designed to provide fast automatic transfers between two independent, synchronous AC power sources to provide continuity of AC power to critical equipment,...
Page 16 - RS-232 Communications Port
12 Operating Instructions 3.3 RS-232 Communications Port The SmartSwitch contains an RS-232 ASCII communications port for changing user settings and remote monitoring of unit status and alarm information. The RS-232 port connections are to a 9-pin “D” connector located on the outside of the unit. Se...
Page 17 - DATE; Table 6
Operating Instructions 13 Table 5 Example View Event Log Response DATE TIME DESCRIPTION Logged Events include: 10/21/97 16:34:39 Transferred to Preferred Preferred Source FailPreferred Source Available Alternate Source Fail Alternate Source AvailableOut of Sync In Sync Peak OverloadPeak Overload Gon...
Page 18 - 4 Operator Controls; PERATOR; Bypass/Transfer Control Switch; Figure 6; shows the switch positions.; tors, are not active in the bypass position.; To avoid loss of power to the load, do not rotate
14 Operator Controls 4.0 O PERATOR C ONTROLS 4.1 Bypass/Transfer Control Switch The SmartSwitch is furnished with a Bypass/Transfer Control switch. The switch is located behind the hinged, keylocked cover. Figure 6 shows the switch positions. Normal Mode. The switch should be left in the “Normal” po...
Page 19 - Operating Guidelines 15; PERATING; standard equipment operation.; Manual Transfer to Source 1.; Manual Transfer to Source 2.; Rotating the Bypass/Transfer Control switch to the “Man. XFER
Operating Guidelines 15 5.0 O PERATING G UIDELINES After installation, the following operating guidelines can be used for standard equipment opera- tion. These guidelines should be reviewed for any special equipment modifications, special site conditions, or company policies that may require changes...
Page 20 - 6 Operating Guidelines; Preferred Source Selection.
16 Operating Guidelines Transfer Control switch to “Bypass To S2” position. If source 2 is not available and the load is not connected to source 2 before the switch is rotated to the “Bypass To S2” position, power to the load may be interrupted. If the load is connected to source 1 and the SmartSwit...
Page 21 - Maintenance 17; AINTENANCE; call
Maintenance 17 6.0 M AINTENANCE Minimal periodic maintenance of the SmartSwitch is required in normal operation. For assurance of continued protection against SmartSwitch failure, periodic transfer testing of the Smart Switch is recommended. For manual transfer tests, refer to the transfer test info...
Page 22 - 8 Maintenance
Page 23 - SmartSwitchTM; Automatic Transfer Switch; Technical Support; and protection systems for sensitive electronics:
Revised: February 2001 SmartSwitch™ Automatic Transfer Switch Technical Support The Company Behind The Products With more than 500,000 installations around the globe, Liebert is the world leader in computer protection systems. Since its founding in 1965, Liebert has developed a complete range of sup...