Eaton STS 16 User manual

Installation and user

manual

STS

SourceTransfer

Switch

www.eaton.com

English

Français

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Italiano

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Nederlands

5102761700/AI

English .......................... 1

Français ....................... 15

Deutsch ........................ 29

Italiano ......................... 43

Español ........................ 57

Nederlands .................. 71

51027617EN/AI - Page 1

Contents

All EATON products are protected by patents. They implement original technology which is not available to other

competitors of EATON.

To take evolving standards and technology into account, the technical characteristics contained in this document are

not binding unless confirmed by EATON.

This document may be reproduced only with the consent of EATON. Authorised copies must be marked "EATON STS

installation and user manual nr 5102761700".

Warning .................................................................................................................2

Presentation

Contents of package ......................................................................................3

Storage ...........................................................................................................3

Recycling of packing ......................................................................................3

Function .........................................................................................................4

Characteristics ..............................................................................................4

Overall views .................................................................................................5

Installation

Setting the input voltage ................................................................................7

Installation ......................................................................................................8

Connections ..................................................................................................9

Communication ............................................................................................10

Operation ...........................................................................................................12

Troubleshooting ..............................................................................................13

Appendices

Glossary .......................................................................................................14

Index ............................................................................................................14

Page 2 - 51027617EN/AI

Warning

Thank you for selecting an EATON

product to protect your equipment.

You have chosen a STS to ensure the

high availability of your IT systems,

i-e more than 1500 transferts between

the preferred source and the alternate

source.

This STS benefits from a 2 year warranty.

This warranty is valid if you comply with

the following specifications (*) :

Only the computational load can bez

connected to the STS, all the others

types of loads (resistive, inductive or

crest factor >3:1 ) are not covered by the

warranty

The length of the cable between the

source (UPS or transformer) and the

STS must be at minimum 50 m, with a

maximum cross-section of 6 mm².

For that reason the Canalis busbar

type does not comply with the STS

specifications.

The 2 sources must be synchronized

and you should prevent the phase/neutral

inversion. A desynchronisation (signaled

by the "Site wiring fault" indication LED)

betweeen the two phases of the sources

is a cause of premature ageing of the

STS components.

(*) Don't concern sources and UPS below

6 KVA.

51027617EN/AI - Page 3

Contents of package

The STS package contains the following

(see figure 1):

STS module,z

installation and user manual (thisz

document),

four adhesive footpads,

four M6 bolts with four cage nuts,z

two communications cables,z

two securing systems for equipmentz

power cords.

Storage

If the STS module is stored prior to

installation, it should remain in the

original packing in a dry place (storage

temperature range: -40 °C to +70 °C).

Recycling of packing

Packing materials must be disposed of

in compliance with applicable laws and

regulations.

Presentation

Fig. 1

www.eaton.com

Page 4 - 51027617EN/AI

Function

EATON developed STS to guarantee the

uninterrupted operation of your sensitive

equipment. The STS source transfer

switch is a simple and effective solution

to manage the redundancy provided by

two independent power sources.

STS handles the automatic or manual

transfer of your loads between two

independent power sources without

interrupting the supply of power (< 6

milliseconds). Either of the two sources

may be designated as the preferred

source with the other becoming the

alternate source. In the event of a

failure, transfer from one to the other is

automatic and instantaneous.

Automatic transfer to the alternate

source takes place if the voltage of the

preferred source goes outside a tolerance

of 12 % above or below the nominal

value. Return to the preferred source

is automatic when the voltage returns

within the ±12 % tolerance range.

To provide a maximum level of

protection for the connected sensitive

equipment, both power sources should

be on-line type UPSs. However, the STS

module can also be supplied by one UPS

and another type of source, or by two

non-UPS sources providing a sinusoidal

output (AC system, engine generator set,

etc.).

Presentation

Characteristics

The STS module has the following

characteristics:

208 / 220 / 230 / 240 V versions (inputz

voltage): STS 16,

120 V version (input voltage):

STS 1400,

input current: 16 A (

zSTS 16), 12 A (STS

1400),

protection by thermal circuit breakers

(16 A or 12 A depending on the version),

threshold before transfer from

preferred to alternate source: ±12 %,

maximum operating temperature:

35 °C,

dimensions: 1U x 19 inches (44.45 mm

x 482.6 mm);

weight: 5 kg.

51027617EN/AI - Page 5

Overall views

Figure 2 shows in detail the front and

rear panels of the various STS versions.

Key to figure 2:

1voltage indication LEDs for the two

power sources S1 and S2:

green LED: voltage OK, within tolerances,

red LED: voltage NOK, outside ±12 %

tolerances,

2button used to select the preferred

source:

: source S1 is the preferred source,

: source S2 is the preferred source,

3status LEDs for the source currently

supplying power:

OFF: source not used.

green: preferred source supplying power,

yellow: alternate source supplying

power,

Note: only one of these LEDs is ON at a

time,

4red LED indicating a STS fault,

5buzzer OFF pushbutton,

6buzzer,

7connection cables between the

module and the two power sources S1

and S2,

8connection sockets for the sensitive

equipment.

STS 16

z: 6 IEC-type sockets 10 A and 1

IEC-type socket 16 A,

STS 1400

z: 6 NEMA-type sockets,

9output protection circuit breakers on

STS 16,

10 SUB-D 9-pin connector, for

communication (UPS S1 type) from

source 1,

11 SUB-D 9-pin connector, for

communication (UPS S2 type) from

source 2,

12 SUB-D 9-pin connector, for outgoing

communication (Basic type),

13 SUB-D 9-pin connector, for outgoing

communication (STS COM type, i.e. dry

contacts),

14 STS input voltage selector (European

versions),

15 protection circuit breakers on the

inputs from the two sources,

16 "sources out of synchronisation"

indication LED.

Presentation

Page 6 - 51027617EN/AI

Fig. 2 : front and rear panels of the STS modules

Presentation

51027617EN/AI - Page 7

Installation

Setting the input voltage

Before making any connections, make

sure that the sources selected to

supply the STS are compatible with its

characteristics.

STS 16: 208 V - 220 V - 230 V - 240 V.

STS 1400: 120 V.

The factory input voltage setting for STS

16 is 230 V. If necessary, set the voltage

to another value (208 V, 220 V, 230 V or

240 V) using the voltage selector 14 (see

figure 3).

In the event of an electrical fault, a circuit

breaker on each of the source inputs

protects the STS module.

The voltage selector 14 may be

used only when the STS module

is de-energized, i.e. power

cables 7not connected to the

sources.

Once the module has been correctly set

up, connect the two power cables 7to

the two sources.

To facilitate the upstream connection

from the STS 16 to a FR or Schuko

socket, EATON provides, as option, a

2 power cable kit IEC C 19/FR-Schuko

male inlet, 1,90 m length whose part

number is 66397.

Fig. 3

230 V input

voltage

240 V input

voltage

208 V input

voltage

220 V input

voltage

Enhanced mode

for line interactive

UPS compatibility

Page 8 - 51027617EN/AI

Installation

On a flat surface

Figure 5 shows how to attach the

adhesive footpads under the STS module

for installation on a flat surface.

Fig. 5

Fig. 4

Rack mounting

Figure 4 shows how to install the STS

module in a 19-inch bay using the four

M6 bolts and the cage nuts positioned

at the desired height in the cabinet

uprights.

The module is not as wide as the bay

and therefore does not obstruct the flow

of air.

If the temperature inside the

bay can rise above 35 °C,

ventilation is required. If this is

not possible, the STS module

should be installed outside the

bay.

This manual suits for next models

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