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255315C

Rev.  C  801

Printed in U.S.A

Model PS250 SelecTone

®

  

Standby Battery Backup/Power Supply

Installation and  

Maintenance Instructions

Summary of Contents for SelecTone PS250

Page 1: ...255315C Rev C 801 Printed in U S A Model PS250 SelecTone Standby Battery Backup Power Supply Installation and Maintenance Instructions...

Page 2: ...d for permanent mounting on a wall or another sub stantial vertical surface An optional key lock door is supplied for the front door of the cabinet the lock is provided to discourage unauthorized acce...

Page 3: ...rs of backup time Simply locate the 12 amp hour diagonal line and the 4 hour horizontal discharge time line Next find the intersec tion as circled Follow this intersection point vertically down to fin...

Page 4: ...pped with the products This device is to be installed by a trained electrician who is thoroughly familiar with the National Electrical Code and will follow the NEC Guidelines as well as local codes Th...

Page 5: ...aling conductors by more than 1 4 inch inside the power supply cabinet Install the electrical wiring for the input and output circuits see figure 2 Use only 18 AWG wire for all power connections batte...

Page 6: ...OLTAGE DIP SWITCH 1 2 DIP SWITCH 3 4 12 VDC ON OFF 24 VDC OFF ON Table 1 Output Voltage IV THEORY OF OPERATION A General The electronic circuitry in the PS250 is divided into two sections the DC Outpu...

Page 7: ...ecautions and instructions may result in property damage serious injury or death to you or others A General Other than cleaning no regularly scheduled maintenance is required To ensure unit is operat...

Page 8: ...ignated authorized warranty service center for examination and such examination reveals a defect in material and or workmanship This warranty does not cover travel expenses the cost of specialized equ...

Page 9: ...0 9 8 7 6 5 4 3 2 1 8 9 7 6 5 4 3 2 1 1 2 3 4 5 6 8 1 DISCHARGE CURRENT AMPS DISCHARGE TIME HOURS 2 3 4 5 6 8 10 BATTERY SIZE IN AMPERE HOUR RATINGS DISCHARGE TIME AS A FUNCTION OF DISCHARGE CURRENT 7...

Page 10: ...C 290A3509 03B Q A 12V 7 amp hour battery B Transformer C DC Terminal blocks D AC Terminal blocks E Battery terminal blocks F DC red LED G AC green LED H Low battery terminal blocks I AC fail termina...

Page 11: ...3 10 120 VAC INPUT 240 VAC INPUT 290A4308 LINE NEUTRAL BLACK 5 GREEN RED WHITE 4 3 2 1 BLACK 5 GREEN 4 3 RED 2 WHITE 1...

Page 12: ...4 255315C REV C 801 Printed in U S A BLUE BLUE YELLOW YELLOW BLACK WHITE GREEN RED PS250 P C BOARD ASSEMBLY BATTERIES 290A4309 TRANSFORMER 10 6 5 4 2 1 DC RED BLACK RED YELLOW TO 120 240VAC SUPPLY BAT...

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