USER MANUAL - Power Master Technology Co.
Contents
1. AUTO TRANSFER SWITCH ATS USER MANUAL POWER MASTER AUTO TRANSFER SWITCH ATS Introduction Appliances running on 230 volts are automatically switched between a Master AC source and Slave AC source The total switching time 15 less than 10 ms To give but two examples 1f the Master IN fails then the microwave oven s clock keeps running and any data in the computer 1s preserved The ATS can be used with any up to a capacity of 40A Operation The ATS s situated between a Master AC source and Slave AC source If the voltage level or the frequency of the Master Input varies then the ATS switches to the Slave Input Once the Master s supply has remained continuously stable for 30 seconds the ATS switches back In this way the appliances are continuously protected against damage from voltage drops The ATS is suitable for modern appliances such as video recorders computers and microwave ovens devices that cannot stand up well to a drop in voltage The ATS automatic switch box can be used with any type of inverter the best results however are obtained with an inverter from Power Master Technology Series Application of Slave Input and Master Input The source selection of Slave and Master depends on user s environment equipment and usage and typically mains generators is used as priority source to be Master Input and DC AC inverters as alternate source to be Slave Input The usage of DC AC inverters as priority Main Input an2. d mains generator as alternate Slave Input are also applicable Installation Install the ATS in a dry well ventilated area The ATS may be mounted on the table using the three holes in the rear of the casing to put in the Master input cable Slave input cable AC output cable and opening the entry on the upper casing to tighten the cables on the terminals with screws The input cables from the generator mains and the inverter any AC source and the output cables to the appliances should be connected to the terminals according to Figure 1 The Master Input socket needs to be protected against current levels higher than 20 40 amp The Slave Input socket needs to be protected against current levels higher than 20 40 amp le redre e ds dre LnpuTil ES Imurd amp Lourruri MASTER SLAVE Figure 1 Connection Terminal Front Panel AUTO TRANSFER SWITCH AC 9 OUTPUT MASTER OUTPUT BREAKER ee MASTER SLAVE i pm LED Indicators AC OUTPUT OUTPUT OUTPUT MASTER SLAVE POWER POWER MASTER SLAVE POWER MASTER The Master power within the specified voltage and frequency has been input POWER SLAVE The Slave Input power within the specified voltage and frequency has been input OUTPUT MASTER The appliances are running on the Master source as a priority OUTPUT SLAVE The appliances are running on the Slave source when the Master source fails The AC output has been successfully supplied from eithe
3. r AUTA POWER MASTER or POWER SLAVE Rear Panel PM ATS 20A Specifications PM ATS 20A Maximum Switched Rate 20Amp Master in Voltage frequency 190 240V 50HZ 60HZ Slave in Voltage frequency 0 240V 50HZ 60HZ Maximum Switching time lt 10msec MASTER IN SLAVE IN AC OUTPUT PM ATS 40A Specifications PM ATS 40A Maximum Switched Rate 40Amp Master in Voltage frequency 190 240V 50HZ 60HZ Slave in Voltage frequency 0 240V 50HZ 60HZ Maximum Switching time lt 12msec MASTER IN SLAVE IN AC OUTPUT Specifications Model No PM ATS 20A PM ATS 40A Maximum switched capacity Master Input selectable selectable 95 x 130 x 255 mm
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