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UT340, UT360, UT380, and UT3100

Planning and Installation Manual

ii

List of Tables and Figures

Tables

1 AC Input Specifications, UT340 and UT360 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2 AC Output Specifications, UT340 and UT360 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
3 DC Input/Battery Specifications, UT340 and UT360 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
4 General Specifications, UT340 and UT360 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
5 AC Input Specifications, UT380 and UT3100 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
6 AC Output Specifications, UT380 and UT3100 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
7 DC Input/Battery Specifications, UT380 and UT3100 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
8 General Specifications, UT380 and UT3100 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Figures

1 Footprint of the UT340, UT360, UT380, UT3100

with Conduit Connection Kit (Top View) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2 Front View (Covers Removed) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3 UT340 - UT3100 Installation Wiring Diagram,

Typical Installation With No Maintenance Bypass Cabinet . . . . . . . . . . . . . . . . . . . . . 12

4 UT340 and UT360 Installation Wiring Diagram, Typical Installation . . . . . . . . . . . . . . . . 13
5 UT380 and UT3100 Installation Wiring Diagram, Typical Installation . . . . . . . . . . . . . . . 14
6 External Connection Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
7 Communication Interface Board (Option) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
8 Relay Board (Option) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

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Summary of Contents for Unity/I UT3100

Page 1: ...U N I T Y I Three Phase Uninterruptible Power Systems UT340 UT360 UT380 UT3100 60 Hz Planning and Installation Manual LTM 0357A Copyright 1995 Best Power Technology Inc...

Page 2: ...ll sources of AC and DC power Whenever AC and or DC voltage is applied there may be AC voltage at the UPS output this is true because the UPS can supply output power from mains or from its batteries T...

Page 3: ...D 18 300 Initial Startup and Phase Check 22 301 Initial Startup and Phase Check for Units with a BEST Supplied Rotary Switch MBC 23 302 Initial Startup and Phase Check for Units with a BEST Supplied T...

Page 4: ...T3100 5 7 DC Input Battery Specifications UT380 and UT3100 6 8 General Specifications UT380 and UT3100 6 Figures 1 Footprint of the UT340 UT360 UT380 UT3100 with Conduit Connection Kit Top View 2 2 Fr...

Page 5: ...ction lines The UNITY I three phase UPS provides true on line single conversion technology and harmonics isolation Only a qualified electrician should install this unit The planning and installation m...

Page 6: ...rs Allow a minimum of 3 feet 914 mm at the front of the unit 3 feet 914 mm at the top of the unit and 6 inches 152 mm at the back of the unit for service clearance and for air flow Cable entry from bo...

Page 7: ...erance symmetrical load asymmetrical load 5 load step 0 100 1 3 5 1 3 5 1 3 5 1 3 5 Distortion linear load 0 3 0 3 0 3 0 3 Frequency Hz mains synchronized free running 60 6 0 1 60 6 0 1 60 6 0 1 60 6...

Page 8: ...attenuation dB differential mode common mode 1 60 120 60 120 Typical heat dissipation kW BTU At full rated load normal operation At full rated load economy mode At 0 8 PF load normal operation At 0 8...

Page 9: ...rical load 6 load step 0 100 1 3 5 1 3 5 Distortion linear load 0 3 0 3 Frequency Hz mains synchronized free running 60 6 0 1 60 6 0 1 Overload capacity mains operation 1 minute 10 minutes 250 150 250...

Page 10: ...oise attenuation dB differential mode common mode 1 60 120 60 120 Typical heat dissipation kW BTU At full rated kW load normal operation At full rated kW load economy mode At 0 8 PF load normal operat...

Page 11: ...f lading Report any missing items to the carrier and to BEST immediately 3 Remove the screws on the bottom part of the packaging side plates 4 Lift the main package up and off the unit and remove the...

Page 12: ...ure that the ambient temperature is 32o to 104o F 0o to 40o C Ideal temperature is 77o F 25o C NOTE At 95o F 35o C battery life will be about one half of what it would be at a normal temperature of 77...

Page 13: ...2100 Technical Support Fax 1 608 565 7642 or 1 608 565 2509 Bulletin Board Service 1 608 565 7424 CompuServ Type Go BEST at any prompt Section 200 Installation WARNING Before continuing read the warni...

Page 14: ...rol wiring must be installed in separate conduit Good ground connections are necessary to reduce electrical noise and make the operation of the UPS and the loads safe Follow the grounding guidelines i...

Page 15: ...UT340 UT360 UT380 and UT3100 Planning and Installation Manual 11 Figure 2 Front View Covers Removed...

Page 16: ...isconnect means NOTE 4 a Refer to any instructions provided with the DC disconnect DCD and pre charge discharge switch b The pre charge discharge box must be located less than 10 feet 3 m from the DC...

Page 17: ...must be in separate conduits The grounding electrode conductor protective earth PE must be the same size ampacity as the UPS input circuit conductors Conduit is not an acceptable grounding electrode...

Page 18: ...s UT380 480 173 UT3100 480 216 NOTE 2 a Refer to any instructions provided with the DC disconnect DCD and pre charge discharge box b The pre charge discharge box must be located less than 10 feet 3 me...

Page 19: ...TO USE THIS FUNCTION REMOTE START STOP 13 COMMON 11 ON 12 OFF CLOSING CONTACTS NOT USED BATTERY TEMPERATURE COMPENSATION PROBE POSITION INDICATOR OF DCD IN OPTIONAL BATT CABINET SW01 X012 X010 X009 X0...

Page 20: ...oop Serial Port RS232 RELAY CONTACTS 30 VAC 60 VDC Maximum 0 5 A Minimum 0 05 mA 14 15 UPS on shown with UPS off 2 16 17 Static bypass operation shown with static bypass operation off 4 18 19 Battery...

Page 21: ...L MANUAL BYPASS ON 2 3 NORMAL OPERATION 3 2 X003 1 X004 1 X005 1 X006 1 X007 1 X008 1 X009 1 X010 1 X011 1 X012 1 X013 1 3 2 X014 1 2 3 COMMON FAULT BYPASS VOLTAGE OUTSIDE LIMITS 3 2 X015 1 X016 1 2 3...

Page 22: ...unauthorized personnel away from batteries The qualified service person must take these precautions 1 Wear protective clothing such as rubber gloves and boots and protective eye wear Batteries contain...

Page 23: ...these guidelines when installing the batteries Refer to any instructions provided with the batteries Refer to any instructions provided with the DC disconnect DCD and pre charge discharge switch Exter...

Page 24: ...gs as shown in the battery installation diagram provided with the batteries b Meter the DC voltage between the positive terminals of the strings The voltage should measure less than 5 volts If it meas...

Page 25: ...ut down the UPS Review all of the warnings at the beginning of Section 202 before replacing the batteries Use the Same Number and Type of Battery To ensure continued superior performance of your UPS a...

Page 26: ...800 356 5737 or call your local BEST office Section 300 Initial Startup and Phase Check WARNING Some units have been programmed at the factory for autostart If programmed for autostart the unit will...

Page 27: ...harge position and hold it until the LED turns off 8 Switch the battery DC disconnect DCD ON 9 Check the phase rotation at the service panel and the unit The unit will not start if the phase rotation...

Page 28: ...MBC AC Line Input MBC Output a L1 to neutral_______VAC L1 to neutral_______VAC b L2 to neutral_______VAC L2 to neutral_______VAC c L3 to neutral_______VAC L3 to neutral_______VAC The voltages in the...

Page 29: ...C L3 to neutral_______VAC 17 Switch the UPS bypass switch to BYPASS 18 Recheck for proper voltages at the bypass switch load output and the load distribution panel s Bypass Switch Load Output Load Pan...

Page 30: ...turns off 8 Switch the battery DC disconnect DCD ON 9 Check the phase rotation at the service panel and the unit The unit will not start if the phase rotation is incorrect The phase rotation must be...

Page 31: ...input and the MBC output MBC AC Line Input MBC Output a L1 to neutral_______VAC L1 to neutral_______VAC b L2 to neutral_______VAC L2 to neutral_______VAC c L3 to neutral_______VAC L3 to neutral______...

Page 32: ...he maintenance bypass breaker MBB ON 19 Switch the UPS output breaker UOB OFF 20 Recheck for proper voltages at the MBC load output terminals and load distribution panel s MBC Load Output Load Panel I...

Page 33: ...tion 500 Shutdown Procedures Section 500 Shutdown Procedures WARNING After shutting down the unit wait at least five minutes before removing any access panels or covers Access panels should be removed...

Page 34: ...Switch the DC disconnect DCD OFF 6 Turn the pre charge discharge switch to the discharge position and hold it until the LED turns off The UPS display should now be blank To restart the unit see Secti...

Page 35: ...r sources to the UPS and maintenance bypass cabinet MBC Section 600 Startup from Maintenance Bypass This section tells how to start the UPS from maintenance bypass The steps in this procedure are for...

Page 36: ...show Bypass operation 8 Switch the UPS bypass switch to UPS 9 Program the unit to normal operation a Press to access the user parameters b Press the or key until the display shows Bypass operation ON...

Page 37: ...m the unit to normal operation a Press to access the user parameters b Press the or key until the display shows Bypass operation ON c Press to switch the bypass operation off The display should show N...

Page 38: ...ommon mode The ability to attenuate noise line to ground and neutral to ground Nominal voltage The voltage at which a device operates under ideal conditions Power factor PF The ratio of the true real...

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