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PU300/PU500 INSTALLATION MANUAL

 

  

 

 

                                           

 

 

10232-10.doc

Polyamp AB, Sweden 

www.polyamp.com 

Page 

1 (10) 

 
 

 
 
 
 

PU300/PU500 

Installation manual 

 

 

Summary of Contents for PU300

Page 1: ...PU300 PU500 INSTALLATION MANUAL 10232 10 doc Polyamp AB Sweden www polyamp com Page 1 10 PU300 PU500 Installation manual ...

Page 2: ...e of printing However the information may have been updated since then Polyamp AB reserves the right to make changes in this manual without notice The exclamation point within an equilateral triangle is intended to alert the user to presence of important operating and maintenance instructions in the literature accompanying The lightning flash with arrowhead within an equilateral triangle is intend...

Page 3: ...L SENSE 7 6 ALARM 7 7 INHIBIT 8 8 OUTPUT OVER VOLTAGE PROTECTION 8 9 ISOLATION VOLTAGE TEST 8 9 1 DC ISOLATION TEST OUTPUT TO CASE 8 9 2 DC ISOLATION TEST INPUT TO OUTPUT AND INPUT TO CASE 8 9 3 AC ISOLATION TEST INPUT TO OUTPUT AND INPUT TO CASE 9 9 4 AC ISOLATION TEST SIGNAL TERMINALS TO CASE 9 9 5 DC ISOLATION TEST SIGNAL TERMINALS TO CASE 9 9 6 AC ISOLATION TEST ALARM TO INHIBIT TERMINALS 9 10...

Page 4: ...with the input power supply cord The disconnection device must be properly labelled and easy accessible 2 Installation The converter shall be mounted in an enclosure which meets the demands of EN60950 regarding fire voltage hazard and mechanical strength The converter is supplied with mounting plates With these you can mount the converter in any direction The converter is convection cooled and in ...

Page 5: ...ith another power supply or if you require redundant operation If a converter breaks down with an internal short circuit on the output and other converters are connected in parallel on the output the broken unit will short circuit the others if the series diode is not used This might cause excessive heat or even fire in the faulty unit If the series diode is used the alarm relay will switch to ALA...

Page 6: ...fore the series diode as in Figure 4 ii Repeat from i until you reach the desired output voltage at the load 5 To achieve good current sharing adjust all converters so that the voltage difference before the series diode is 0 00V between all units that are connected in parallel and so that the voltage at the load is still the desired 4 Multiple loads at the output If you are using several loads we ...

Page 7: ...e load and not at the output of the converter and does thereby compensate for voltage drop in the cables between the converter and the load The maximum voltage compensation is 5 of nominal output voltage Do not disconnect the negative power connection from the converter to the load before the positive when the converter is running and external sense is used This might damage the converter and it i...

Page 8: ... c 2 5kVa c 4kVd c Alarm Inhibit 2 5kVa c 4kVd c Table 2 Isolation test voltages If your AC isolation test equipment cannot supply enough current you can perform a DC isolation test with 4000Vd c 2500V x 2 x 1 1 4000Vd c where 1 1 safety factor 9 1 DC isolation test output to case 1 Disconnect all cables from the converter 2 Connect the input terminals of the converter to case 3 Connect the output...

Page 9: ...ster from 0V to corresponding value in Table 2 Check that the leakage current does not exceed 5µA The voltage should not be applied for more than a few seconds or the Y capacitors might be damaged 5 Turn off the isolation tester and discharge the test voltage with a 10 M resistor between the signal terminals and case 9 6 AC isolation test alarm to inhibit terminals 1 Disconnect all cables from the...

Page 10: ...d Connect the input again and measure the output voltage If the converter now starts the load was too heavy or there was a short circuit If there is an external short circuit remove it If the load is too large decrease the load or consult your Polyamp dealer 5 The unit is broken Contact your Polyamp dealer 11 2 The input fuse blows when the input is connected 1 Check that the input voltage polarit...

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