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Unipower INV2500, Operating Manual

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CONTENTS

SECTION

TOPIC

PAGE

1.0

Introduction

1

2.0

Important Features

1

3.0

Product Line

3

4.0

Safety Warnings

3

5.0

Warranty

4

6.0

Unpacking and Inspection

4

7.0

Description of Operation

5

8.0

Front and Back Panel Descriptions

5

9.0

Electrical Specifications

7

10.0

Mechanical Dimensions of Shelves

8

11.0

Safety and Industry Standards

8

12.0

Operating Information

8

13.0

Parallel Operation

13

14.0

Installation and Testing

15

15.0

Single and Multiple Inverter Application

17

16.0

Replacing An Inverter

18

17.0

Maintenance

19

      18.0

Troubleshooting Guide

20

Summary of Contents for INV2500

Page 1: ...ed UNIPOWER Telecom Division of UNIPOWER Corporation 12 04 01 INV2500 5000 Man NORTH AMERICA 3900 Coral Ridge Drive Coral Springs Florida 33065 USA Tel 1 954 346 2442 Fax 1 954 340 7901 sales unipower corp com EUROPE Parkland Business Centre Chartwell Road Lancing BN15 8UE ENGLAND Tel 44 0 1903 768200 Fax 44 0 1903 764540 info unipower europe com ...

Page 2: ... Operation 5 8 0 Front and Back Panel Descriptions 5 9 0 Electrical Specifications 7 10 0 Mechanical Dimensions of Shelves 8 11 0 Safety and Industry Standards 8 12 0 Operating Information 8 13 0 Parallel Operation 13 14 0 Installation and Testing 15 15 0 Single and Multiple Inverter Application 17 16 0 Replacing An Inverter 18 17 0 Maintenance 19 18 0 Troubleshooting Guide 20 ...

Page 3: ... INV2500 Inverter Output Waveforms 11 6 INV2500 INV5000 Overload Characteristic 12 7 Connections for ORing Form C Relay Outputs on INV5000 12 8 INV2500 Series Inverters Connected in Parallel 14 9 Four INV2500s in Parallel Using AC Distribution Panel 14 10 Two 115VAC INV5000s in Parallel Using AC Distribution Panel 16 11 Output Connections for INV5000 16 ...

Page 4: ... amperes RMS for the INV2500 For the INV5000 the output is 115VAC at 44 amperes RMS or 230VAC at 22 amperes RMS The invert ers achieve 90 efficiency and 7VA per cubic inch power density Input and output are both circuit breaker protected The inverters have high surge capability for starting loads such as motors but the output breaker quickly trips if power attempts to flow back into a faulted inve...

Page 5: ...2 INV2500 INV5000 SERIES OPERATING MANUAL a INV2500 Inverter b INV5000 Inverter Figure 1 INV2500 and INV5000 Inverter Models ...

Page 6: ...e telecom inverters have hazardous external and internal voltages They should be handled tested and installed only by qualified technical persons who are trained in the use of power systems and are well aware of the haz ards involved 4 2 The input and output terminals are at hazardous voltage potentials Do not touch these areas when power is applied 4 3 When operating these inverters the chassis g...

Page 7: ... this remedy the buyer must contact the manufacturer s Customer Service Department to obtain a Return Material Authorization number and shipping instructions Products returned without prior authorization will be returned to buyer All products returned for repair must be shipped freight prepaid to UNIPOWER If the buyer fails to fully comply with the foregoing the buyer agrees that no other remedy i...

Page 8: ...t breaker Above the output breaker from the top are the green LED indicators for Input OK Sync OK and Output OK 8 2 On the INV2500 back panel at the upper left is the sync terminal which is a BNC connector Below that is a no 8 32 stud and nut for chassis ground connection then a 3 terminal Type 602 Spring Con connector for easy con nection of wires to the Form C Relay contacts Below this are three...

Page 9: ... WHT L BLK AC OUTPUT SYNC ä ä ä CHASSIS GROUND N O C N C ä ä ä INV2500 FRONT VIEW 8 50 216 ä ä ä ä 3 32 84 3 GND GRN RTN RED 48V BLK DC INPUT ä ä ä INPUT OK SYNC OK OUTPUT OK OUTPUT BREAKER ä ä ä ä INPUTBREAKER ä 18 32 465 ä ä ä ä 3 46 87 9 Figure 3 Front and Back of INV5000 INV5000 FRONT VIEW INV5000 BACK VIEW A SIDE B SIDE ...

Page 10: ...ic Distortion 2 Load Crest Factor 2 8 to 1 Output Protection 25A Circuit Breaker s Surge Capability Up to 300 Reactive Loads 90 to 90 Phase Angle Efficiency 90 SAFETY STANDARDS UL1950 CSA22 2 No 950 EN60950 STATUS INDICATORS Input OK Green LED Sync OK Green LED Output OK Green LED Form C Relay Alarm Contacts Inverter Fail Alarm ENVIRONMENTAL Operating Temp Range 0 C to 70 C Output Current Derating...

Page 11: ...with a 240 ampere hour battery or an INV5000 with a 480 ampere hour battery 12 0 OPERATING INFORMATION 12 1 Input Voltage These telecom inverters operate off a nominal 48VDC input source which may be a battery or other DC source The input voltage range is 42 to 56VDC Input connections on the back of the INV2500 are to Anderson type connectors no 5916 with 5952 contacts Input connections on the bac...

Page 12: ...9 INV2500 INV5000 SERIES OPERATING MANUAL 18 32 465 ä ä ä ä 3 46 87 9 Figure 4 Mechanical Dimensions of Shelves 17 38 441 INVR2U SHELF INV5000 SHELF ...

Page 13: ...ifferent format Table 12 1 Typical Load Current vs Shutdown Time As the table shows the INV2500 and INV5000 are capable of handling large output surge currents specifically more than three times rated output current for 1 4 second more than twice rated output current for 1 second and more than 1 5 times rated output current for 10 seconds If the surge exceeds approximately 318 of rated output curr...

Page 14: ...500 INV5000 SERIES OPERATING MANUAL Figure 5 INV2500 Inverter Output Waveforms a Full Load Step Vo top Io bot 20A cm b Sudden Overload Applied Vo top Io bot 50A cm c Short Circuit Applied Vo top Io bot 50A cm ...

Page 15: ... INV2500 INV5000 Overload Characteristic 0 10 20 30 40 50 60 70 80 0 20 40 60 80 100 120 140 160 INV2500 or 230VAC INV5000 115VAC INV5000 Figure 7 Connections for ORing Form C Relay Outputs on INV5000 a Normally Open b Normally Closed OUTPUT RMS Amperes ...

Page 16: ...terminal is used only for parallel connection of two or more inverters See Figure 8 For more than two inverters BNC tee adaptors are required Current sharing between paralleled inverters is 10 13 2 Alternatively separate sources may be used for the inputs to these inverters while the outputs are connected in parallel In either case output loads should have individual distribution circuit breakers ...

Page 17: ...14 INV2500 INV5000 SERIES OPERATING MANUAL Figure 9 Four INV2500s In Parallel Using AC Distribution Panel Figure 8 INV2500 Series Inverters Connected in Parallel INV2500 INV2500 ...

Page 18: ... safety cover 14 3 For the INV2500 connect the input battery 48VDC and Return terminals to the inverter input red and black terminals respectively by means of the Anderson connectors no 5916 housings with no 5952 contacts Connect the input ground green connector and chassis ground to the system ground For the INV5000 connect the input battery to the 48VDC and 48VDC return input bus bars by means o...

Page 19: ...16 INV2500 INV5000 SERIES OPERATING MANUAL Figure 10 Two 115VAC INV5000s in Parallel Using AC Distribution Panel Figure 11 Output Connections for INV5000 AC OUTPUTS ...

Page 20: ...he model 14 7 Check the Form C Relay contacts with an ohmmeter See Figure 3 Measure the resistance between the N O contact s and C contact s It they should indicate an open Measure the resistance between the N C contact s and the C contact s It they should indicate a short 14 8 Turn off the AC output circuit breaker s first followed by the DC input breaker s by placing the toggles in the down posi...

Page 21: ...ent must be done carefully and only by a qualified technical person who is trained in the use of power systems During this replacement the DC input and AC output terminals are hot Only the insulated connector housings should be touched on the INV2500 For the INV5000 a nut driver with insulated handle should be used to disconnect the DC input Be careful not to touch any of the metal contact termina...

Page 22: ...6 4 6 Turn on the DC input breaker A side breaker for INV5000 16 4 7 After the Output OK LED comes on turn on the AC output breaker A side breaker for the INV5000 16 4 8 For the INV5000 next turn on the B side DC input breaker After the Output OK LED comes on turn on the B side AC output breaker 17 0 MAINTENANCE No routine maintenance is required on the INV2500 or INV5000 Series inverters except f...

Page 23: ... made not come on for terminals to all paralleled inverters check the BNC paralleled inverters connectors No AC output Bad output connection Check output connection to load check that Output OK LED output breaker not on output breaker is on check that AC does not come on distribution breakers are on No AC output Short circuit or overload Remove short circuit or overload Turn off Output OK LED on o...

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