Staco Energy E2 Manuel utilisateur

003-2701 REV A

Staco E2

20 to 100kVA

480V and 600V

Transformer Cabinet

USER MANUAL

7. Warranty and Regulatory Compliance

No reproduction of any part of this manual, even partial, is permitted without the authorization of Staco Energy

Products Company. The Staco Energy Products Company reserves the right to modify the product described

herein, in order to improve it, at any time and without notice.

2425 Technical Drive • Miamisburg, Ohio 45342

U.S. Toll Free 866-261-1191

(937) 253-1191 • Fax: (937) 253-1723

Web site: www.stacoenergy.com

Thank you for choosing our product.

Staco Energy is highly specialized in the development and production of uninterruptible

power systems (UPS). The UPS’s of this series are high quality products, carefully designed

and manufactured to ensure optimum performance.

7. Warranty and Regulatory Compliance

Thank you for selecting this transformer cabinet. It provides you with protection for connected

equipment. Please read this manual before installing the E2KT020S-480, E2KT030S-480, E2KT060S-

480, E2KT060S-600, E2KT100S-480 and E2KT100S-600 model as it provides important information

that should be followed during installation and maintenance, allowing you to correctly set up your

system for the maximum safety and performance. Included is information on customer support and

service, if it is required. If you experience a problem, please refer to the Troubleshooting section in this

manual to correct the problem. If the problem is not corrected, please collect information so that the

Technical Support personnel can more effectively assist you.

The information in this document is subject to change without notice.

7. Warranty and Regulatory Compliance

Introduction....................................................................................................................................5

Important Safety Warnings ...........................................................................................................6

3. Installation .......................................................................................................................................7

3.1 Mechanical Data .......................................................................................................................7

3.2 Physical Requirements ............................................................................................................8

3.3 Unpacking the UPS...................................................................................................................9

3.4 Cabinet Overview ...................................................................................................................12

3.5 Power Cables..........................................................................................................................15

3.6 Transformer-to-UPS Connection LineDiagram ....................................................................16

3.7 Multiple Transformer Connections........................................................................................17

3.7.1 Connections for E2KT020S-480 to 20kVA UPS.........................................................17

3.7.2 Connections for E2KT030S-480 to 30kVA UPS.........................................................17

3.7.3 Connections for E2KT060S-480/ E2KT060S-600 to 30kVA UPS ..............................18

3.7.4 Connections for E2KT100S-480/ E2KT100S-600 to 30kVA UPS ..............................18

4. Operation .......................................................................................................................................19

4.1 Basic Start-up .........................................................................................................................19

4.2 UPS Shutdown........................................................................................................................19

4.3 Transfer to Maintenance BypassMode .................................................................................19

4.4 Transfer from Maintenance Bypass Mode to Online or ECO Mode ....................................20

4.5 Over-Temperature Protection ................................................................................................20

4.5.1 Over-Temperature Red Warning LED ........................................................................20

4.5.2 Over-Temperature Protection Relay andSwitch .......................................................20

5. Specifications ................................................................................................................................21

6.Storage ............................................................................................................................................22

7. Warranty and Regulatory Compliance

Introduction

E2KT020S-480, E2KT030S-480, E2KT060S-480 and E2KT100S-480 input isolation transformers provide 480V (Delta) to

208V (Wye) step- down and Isolation protection to the connected UPS and its load. The E2KT060S-600 and E2KT100S-

600 Input isolation transformers provide 600V (Delta) to 208V (Wye) step-down and isolation protection to the connected

UPS and its load.

The transformer has input isolation to mitigate utility line surges and spikes, while protecting the UPS. The transformer

includes a built-in breaker at the transformer output side for protection. The ball-bearing fans maintain quiet operation (four

fans for 60K models, three fans for 100K models). An overheat-sensing relay and switch combine with a warning light to

provide over-temperature warning and overheating protection. The UPS system’s small footprint and quiet acoustic profile

enable installations with minimal space and noise impact. All transformer models feature rugged all-metal housings with

front panels similar to the E2KU (25-100K) 208V 3-Phase UPS line.

UPS Model

Capacity

Description

E2KT020S-480

20kW

Input Transformer: 480V to 208V Isolation Step-Down Transformer

E2KT030S-480

30kW

E2KT060S-480

60kW

E2KT100S-480

100kW

E2KT060S-600

60kW

Input Transformer: 600V to 208V Isolation Step-Down Transformer

E2KT100S-600

100kW

Typical applications

4-Wire (3Ph+N+PE) IT equipment loads in government, manufacturing, hospitals, industrial settings and corporate

settings that have 480V electrical mains and 208V/120V or 220V/127V IT Loads.

Key Features

•Isolation protection to the UPS input, with stepped-down input from 480V (Delta) to 208V (Wye) or 600V (Delta) to 208V

(Wye)

•Input and output circuit breakers

•95% to 97.5% efficiency

•Copper windings

•Overload operation up to ≤110% for 60 minutes, and ≤150% for 1 minute

•Wide input voltage and frequency operating range Voltage: -20% to +25% @ 100% load and 40-70 Hz

•Insulation class: 180 materials

•Reliability-tested according to ISTA-3B for vibration, shock, drop (tip test)

•Design to UL and CSA standards

•Rugged all-metal housing shipped ready for installation

•2-year warranty

•The 480V Wrap-Around (WR) Transformer includes both the input (T-in) and output (T-out) transformers in one enclosure.

•These 480V Input Transformers may be purchased separately or as part of kit model with a E2KU (25-100K) 208V Series

3-Phase UPS:

•

Transformer Models

Max Constant

Load

Compatible with

208V 3Ph UPS

E2KT020S-480

20kW

10-20kW UPS

E2KT030S-480

30kW

20-20kW UPS

480V

E2KT060S-480

60kW

50-60kW UPS

E2KT100S-480

100kW

80-100kW UPS

600V

E2KT060S-600

60kW

50-60kW UPS

E2KT100S-480

100kW

80-100kW UPS

7. Warranty and Regulatory Compliance

Important Safety Warnings

SAVE THESE INSTRUCTIONS

This manual contains important instructions for models E2KT020S-480, E2KT030S-480, E2KT060S-480, E2KT060S-

600, E2KT100S-480 and E2KT100S-600 that should be followed during installation and maintenance of the

transformer and UPS.

CAUTION! Risk of electrical shock! Hazardous live parts inside this unit are energized from the

transformer even when the breaker is turned off.

WARNING! The unit intended for installation in a controlled environment.

CAUTION! A transformer can present a risk of electric shock and high short circuit current. The following

precaution should be observed when working on the transformer:

• Remove watches, rings or other metal objects.

• Use tools with insulated handles.

To reduce the risk of electric shock, disconnect the transformer and UPS from the mains supply before

performing maintenance or service.

Servicing of the 3-phase transformer and UPS should be performed or supervised by personnel with knowledge

of the 3-phase transformer and UPS and all required precautions. Keep unauthorized personnel away from

batteries.

The transformer is extremely heavy. Caution should be taken in moving and positioning equipment. The

instructions contained within this manual are important and should be closely followed at all times during

installation and follow-up maintenance of the 3-phase transformer and UPS.

CAUTION!

The transformer has a dangerous level of heat. If the transformer’s front-panel red LED indicator is

on, the unit’s outlets may have a dangerous level of heat.

All servicing on this equipment must be carried out by certified service personnel.

Before conducting any maintenance, repair or shipment, first ensure everything is turned off

completely and disconnected.

7. Warranty and Regulatory Compliance

3. Installation

3.1 Mechanical Data

20-30kVA Models

60- 100kVA Models

7. Warranty and Regulatory Compliance

3.2 Physical Requirements

Leave space around the cabinet for operation and ventilation (Figure 3-1):

1. Leave at least 20 in. (500 mm) space in the front for ventilation

2. Leave at least 20 in. (500 mm) space at the right and left for operation

3. Leave at least 20 in. (500 mm) space at the back for ventilation.

Figure 3-1

7. Warranty and Regulatory Compliance

3.3 Unpacking the UPS

1. Don’t lean the transformer cabinet when removing it from the packaging.

2. Check the appearance to see if the transformer cabinet was damaged during transport. Do not power on the

transformer cabinet if any damage is found. Contact the dealer immediately.

3. Check the accessories against the packing list and contact the dealer in case of missing parts.

4. Hold the sliding plate steady. Cut and remove the binding straps (Figure 3-2).

Figure 3-2

7. Warranty and Regulatory Compliance

5. Remove the plastic bag and the outer carton (Figure 3-3).

Figure 3-3

6. Remove the foam packing material and the beveled pallet (Figure 3-4).

Figure 3-4

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