USER MANUAL AUTOMATIC TRANSFER SWITCH Model ATS-30A www.online-ups.
Content 1 Introduction ...................................................................................................................................................... 4 2 Product Overview ............................................................................................................................................ 5 3 Safety Warnings ...............................................................................................................................................
USER MANUAL AUTOMATIC TRANSFER SWITCH Model ATS-30A 1 2 Product Overview Front View Introduction This ATS-30A product is designed with two independent power inlets to supply power to the load from a primary 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.
3 Safety Warnings 4 Operation Indicators & Status Before using the unit, please read all instructions and cautionary markings on the unit, this manual and the batteries. WARNING • The ATS must be connected to earth when in use. In line with current regulations, only use the cables that have been supplied with the machine. The power supply socket must be easily accessible to the operator. • The ATS has been designed exclusively to operate indoors.
6 Installation PLEASE NOTE Before installation, please inspect the unit. Be sure that nothing inside the package is damaged. Operation Power On/Off Put the input power switch in “ON” position. The output will then be supplied by the source set as selected. Mounting the Unit Setting priority of power source The unit can be mounted in a standard 19"-rack. Fasten the mounting brackets to the unit using the screws provided.
7 Communication Port Contact Ports The contacts port is formed using six (6) pins numbered from left to right (see 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. The ATS is supplied with the following communication ports: • Serial port is available with RS232 com. port and USB com. port on the front panel.
8 9 Trouble Shooting Use the table below to solve minor problems. Model Problem Possible Cause Solution The ATS with the mains voltage present, does don’t turn on (The LEDs does not flash and no alarm sounds) No connection with input plugs Connect the mains to the input plugs as indicated in the installation section. Input switch in “OFF” position Turn the input switches in “ON” position.
10 Imprint Appendix Input Voltage and Frequency Thresholds Function Description Default setting Acceptable input voltage range for Source A Source A will be power source during this range. When input voltage of source A is beyond this range, ATS will automatically switch to power from Source B. 180V – 258V Return voltage point for Source A When input voltage of Source A is back to normal, the ATS will switch back to Source A.
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