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User guide Automatic Transfer Switch 

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User guide Automatic Transfer Switch

USER MANUAL  

AUTOMATIC TRANSFER SWITCH

Model ATS-30A

1    Introduction

This ATS-30A product is designed with two independent power inlets to supply power to the load from a prima-
ry power source. Should primary power source fail, the secondary will automatically back up the connected 
equipment without any interruption. The transfer time from one line to another is seamless to the connected 
equipment. After switching to a secondary power source, the ATS can also switch power back to the primary 
input when power to the primary input is restored. 

Package contents:

•  ATS module
•  User manual*
•  Mounting brackets

* Download from 

> www.online-ups.com

2    Product Overview

Front View

1.  Power switch for input source A
2.  Power switch for input source B
3.  Circuit breaker for output 2
4.  Circuit breaker for output 3
5.  USB communication port
6.  RS-232 communication port
7.  Communication slot
8.  Operation indicators (please refer to section 4 for the details)

Back View

1.  Contact port (please refer to section 7 for the details)
2.  Input source A connector 
3.  Input source B connector 
4.  Output connector “Output 1” (Grand)
5.  Output receptacles “Output 2” (IEC 16A)
6.  Output receptacles “Output 3” (IEC 10A)

Summary of Contents for ATS-30A

Page 1: ...www online ups com USER MANUAL AUTOMATIC TRANSFER SWITCH Model ATS 30A ...

Page 2: ... Introduction 4 2 Product Overview 5 3 Safety Warnings 6 4 Operation Indicators Status 7 5 Installation 8 6 Operation 9 7 Communication Port 10 8 Trouble Shooting 12 9 Specifications 13 10 Appendix 14 Imprint 15 ...

Page 3: ...urce the ATS can also switch power back to the primary input when power to the primary input is restored Package contents ATS module User manual Mounting brackets Download from www online ups com 2 Product Overview Front View 1 Power switch for input source A 2 Power switch for input source B 3 Circuit breaker for output 2 4 Circuit breaker for output 3 5 USB communication port 6 RS 232 communicat...

Page 4: ...PLEASE NOTE These instructions may be modified by the wiring regulations in force in the country where the ATS is purchased 4 Operation Indicators Status 1 Source preference selector 2 Priority setting LEDs 3 Power source status LEDs 4 Output source LEDs 5 Fault indicator 6 Alarm mute button Indication type LED description LED status Condition Alarm Priority setting LEDs Source A 2 ON Source A is ...

Page 5: ...he terminal cover by removing four screws Step 2 Fasten the input output wirings through the cable gland Step 3 Fasten the terminal cover and cable gland to the unit Then customer can plug the user load to the output 10A Output 3 or 16A Output 2 sockets depending on user s requirements 6 Operation Power On Off Put the input power switch in ON position The output will then be supplied by the source...

Page 6: ...ee fig 1 which can be connected to an external monitoring system such as a BMS in order to monitor the operational status of the ATS The external equipment must respect the voltage and current characteristics of contacts port Focus on contacts port The contacts port provides the following pins Pin 1 common contact Pin 2 Source B active contact if the contact between pin 1 and pin 2 is closed outpu...

Page 7: ...or to attempting a reset of the thermal protection please check the connected loads rating and or determine if there are any problems Then once reset reconnect each load one at a time to ensure no problems exists The display shows nothing or provides incorrect information There is power supply problem in display Shut down the ATS completely and wait for a few seconds Switch the ATS on again if the...

Page 8: ...k to Source B Setting Source B as priority power source and Source A is powering Low point 190V High point 248V Acceptable input frequency for Source A Source A will be power source during this range When input frequency of source A is beyond this range ATS will automatically switch to power from Source B 45Hz 55Hz Acceptable input frequency for Source B Source B will be power source during this r...

Page 9: ...ONLINE USV Systeme AG Luise Ullrich Straße 8 DE 82031 Grünwald www online ups com ...

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