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Development Company, L.P. 

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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 
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Summary of Contents for PSR750-A

Page 1: ...HP PSR750 A Power Supply User Guide Part number 5998 1606 Document version 5PW100 20110311 ...

Page 2: ... MATERIAL INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE Hewlett Packard shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing performance or use of this material The only warranties for HP products and services are set forth in the express warranty statements accompa...

Page 3: ...t at the Subscriber s Choice for Business website http www hp com go e updates After registering you will receive e mail notification of product enhancements new driver versions firmware updates and other product resources Warranty The Hewlett Packard Limited Warranty Statement for this product and the HP Software License Terms which apply to any software accompanying this product are available on...

Page 4: ... documentation visit the HP website www hp com and select the Support Troubleshooting link Choose See support and troubleshooting information radio button Enter product name number OR choose the automatic product name number detection OR select a product category From the product page choose Manuals link to see the documentation associated with your product ...

Page 5: ...Introduction 1 Specifications 3 Panel 4 Status LEDs 4 Installing and removing the power supply 6 Precautions 6 Tools 7 Installing and removing the power supply 7 Installing the power supply 7 Removing the power supply 9 Connecting the power cord 10 ...

Page 6: ...on Protection Output over voltage protection output short circuit protection output current limiting protection and overheat protection Redundancy Supports parallel connection of two power supplies implementing 1 1 redundant current sharing Hot swapping When the device works properly you can power off a power supply of the 1 1 redundant power supply system and remove it from the device Auto recove...

Page 7: ...d Overheat protection No power supply Supported NOTE In case of short circuit protection over current protection or overheat protection the power supply recovers itself after the issue is addressed When a power supply is deadly locked due to over voltage protection it does not support the auto recovery function In this case power off the power supply disconnect the power cord and connect it again ...

Page 8: ...AC 47 Hz or 63 Hz Output voltage dual output 12 V and 54 V Max output current 25 A for 12 V output voltage 9 A for 54 V output voltage Max output power 750 W Dimensions H W D 40 5 180 6 235 mm 1 59 7 11 9 25 in Operating temperature 0 C to 55 C 32 F to 131 F Storage temperature 40 C to 70 C 40 F to 158 F Operating humidity 10 to 95 Storage humidity 5 to 95 ...

Page 9: ... 2 AC receptacle 3 Tab 4 Power supply handle 5 Status LED for DC output 6 Status LED for AC input 7 Captive screw Status LEDs The PSR750 A has two LEDs which indicate the input status AC OK and output status DC OK of the power supply Table 4 describes the colors and working status of the LEDs in different cases ...

Page 10: ... output LEDs both turn on after you power on and switch on the power supply However if the input LED is on but the output LED is off this case may be caused by output short circuit output over current output over voltage or over temperature To solve such cases take the following actions 1 Switch off the power supply and disconnect the power cord and then reconnect the power cord and switch on the ...

Page 11: ... 3 Power off procedure Precautions When installing and removing a power supply note the following guidelines Wear an ESD preventive wrist strap and ensure a good skin contact before installing or removing the power supply Before installing the power supply make sure that the operating voltage provided by the power source is consistent with that marked on the power supply and the output voltage of ...

Page 12: ...lowing tools for installation and removal Flat blade screwdriver Phillips screwdriver ESD preventive wrist strap Installing and removing the power supply CAUTION Before installation and removal make sure that the power supply is switched off and no power cord is connected to the power supply Installing the power supply Follow these steps to install the power supply Step1 Wear an ESD preventive wri...

Page 13: ... hand and supporting the power supply bottom with the other slide the power supply slowly along the guide rails into the slot see callout 1 in Figure 4 Step5 Fasten the captive screws on the power supply clockwise with a Philips screwdriver until the power supply seats into the chassis see callout 2 in Figure 4 Figure 4 Install a power supply 1 2 2 ...

Page 14: ...r supply pull out the power supply and then insert it again If the captive screw cannot be tightly fixed check the installation of the power supply Removing the power supply Follow these steps to remove the power supply Step1 Wear an ESD preventive wrist strap make sure that the wrist strap makes good skin contact and is well grounded Step2 Switch off the power supply disconnect the power cord fro...

Page 15: ...ply into the device you can connect the power cord For a device using the PSR750 A power supply use an AC power cord to connect the power source Follow these steps to connect the power cord for the PSR750 A power supply Step1 Switch off the AC power supply that is turn the power switch of the power supply to the O position see Figure 4 Step2 Connect one end of the AC power cord shipped with the de...

Page 16: ...wo built in fans for heat dissipation The fans rotate at a low speed after the power cord is connected AC OK is on but with the power supply in the off state When you switch on the power supply the fans adjust their rotating speed according to the power supply s temperature ...

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