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18

User Guide DP300E

7OA0001 GB rev.09

Service Bypass Switch

7.2.3

Isolating one UPS for service/maintenance

In a redundant system one UPS can be isolated for service/maintenance without
affecting the other parallel UPS(s).

1.

Check that the remaining UPS(s) will be able to carry the load when one UPS is
isolated.

2.

Switch off the system to be isolated for maintenance by pushing both the green
“ON” and the red “OFF” key simultaneously.

3.

Disconnect battery, mains, and output by opening battery MCCB/fuse and
turning input switch (Q001) and output switch (Q002) to position “0”.

When Q002 is in position “0” the UPS can be operated and tested as a single
system without affecting the other parallel UPS(s).

Switching back the UPS to normal parallel/redundant operation

1.

Turn the input switch (Q001) and the output switch (Q002) to position “1”.

2.

Charge capacitors, connect battery and start up the UPS as described in chapter
5.0.

The UPS will automatically switch to normal operation and start load sharing
with the other parallelled UPS(s).

Warning!
The system will discharge built-
in capacitors. However, before
working on the system check
with a multimeter that there is
no dangerous voltage on the
terminals .

DP300E

DP300E

Q003

Q001a

Q001b

Q002b

Q004

Q002a

Service Bypass Switch

Load

Mains

Содержание DATAPOWER DP300E series

Страница 1: ...e DP300E 7OA0001 GB rev 09 DATAPOWER DP300E Series User guide Copyright 1997 Silcon Power Electronics A S Due to continuous product development information given in this manual is subject to change without notice ...

Страница 2: ...2 User Guide DP300E 7OA0001 GB rev 09 ...

Страница 3: ...hat to do 6 1 General 6 2 The events stack 6 3 Alarm messages 6 4 The events logger 6 5 Displaying the events stack 7 0 Service bypass switch 7 1 Operating the external service bypass switch 7 2 Operating the external service bypass switch for parallel systems 8 0 Preventive maintenance 8 1 General 8 2 Fan 8 3 Battery 8 4 Battery capacity test 9 0 Economy operation 10 0 Software 10 1 Choice of sof...

Страница 4: ...s of a display an alarm LED and a keyboard The display is used for showing parameters measured values and alarm mes sages A background light is activated in case of an alarm or if one of the keys are pressed No activity or no alarm for 5 minutes will automatically switch of the light By pressing and simultaneously you increase the contrast and by pressing and simultaneously you decrease the contra...

Страница 5: ...easons the normal user can only switch the UPS into system off mode and from here back into normal operation via the safe push buttons 2 2 Stop Action Display shows Description Open the front door and activate the ON and OFF push button simultaneously 2 3 Start Action Display shows Open the front door and activate the green ON push button Stop start System off Alarm LED lights Acoustic alarm sound...

Страница 6: ...o show parameters alarms messages and measured values The alarm LED is used with an audible alarm to indicate unusual operating situations The keyboard is used for programming and control of displaying param eters alarm messages and displaying measured values 3 1 Keyboard description ...

Страница 7: ...ge Remote shutdown YES NO Shutdown of UPS by remote signal active Remote shutdown HIGH LOW Nature of remote shutdown signal polarity Remote shutdown time 0 1 2 3 4 Time delay on remote shutdown of UPS 5 6 7 8 9 10 min Battery capacity test Initiates check of back up time The measured time is from start until it reaches low DC warning level See section 8 4 Battery monitor test Initiates check of ba...

Страница 8: ... 9 Press to exit Programming of the other parameters can be performed in exactly the same way Bypass operation YES Normal operation load power xx Bypass operation NO 4 2 2 Keys used for programming 4 2 3 Programming example switch to bypass operation Action Display shows 1 Press to enter parameter stack 2 Press or until 3 Press until 4 Press to store Bypass operation NO Bypass operation YES ...

Страница 9: ...3 x 385 Vac Mains current is 3 x 16 Aac Battery voltage is 438 Vdc on batt 1 437 Vdc on batt 2 Charging current is 2 Adc Discharging current Output voltage is 3 x 380 Vac Output current is 3 x 15 Aac Output frequency is 50 Hz Battery temperature is 25 C Output peak current is 3 x 22Aac only of interest for service engineers Returns to normal status indication If not pressed automatic switch back w...

Страница 10: ...ctive means no back up capacity any longer Call for assistance Battery Week means reduced back up capacity Reset the Battery week alarm signal according to point 4 2 and start up a battery capacity test according to point 8 4 When finished record the obtained back up time and reset an eventual new alarm from the battery monitor Let the UPS recharge the battery for at least 16 hours and with the sa...

Страница 11: ...l system Normal operation UPS has been in normal operation Battery operation UPS has been in battery operation Bypass operation UPS has been in bypass operation System off UPS has been off 6 5 Displaying the events stack Action Description 1 Press and 2 Press or 3 Press 4 Press Alarms Press the two keys simultaneously to get access to the events stack Scroll up or down through the events stack las...

Страница 12: ...ion 1 above the output switch handle Q002 lights 7 Turn the output switch Q002 to Only the lamp H002 above position 0 the output switch handle Q002 lights now 8 Open the front door and press both the green ON and the red OFF key simultaneously The acoustic alarm sounds for 30 secs 9 Turn the input switch to position 0 The red alarm LED below the display lights and the acoustic alarm sounds for 30 ...

Страница 13: ...itch Q002 to position Now the green lamp H003 1 above the bypass switch handle Q003 lights too 9 Turn the bypass switch Q003 to position Only the green lamp H003 0 above the bypass switch handle Q003 lights 10 Press on the keyboard 11 Press or on the keyboard until 12 Press on the keyboard 13 Press on the keyboard 14 Press on the keyboard 15 Press on the keyboard System OFF Normal operation load p...

Страница 14: ...ication on the bypass panel The green lamp H003 above the bypass switch handle Q003 lights 6 Turn the external bypass switch Q003 The green lamp H004 to position 1 above the output isolator Q004 and the green lamps H002 above the output switch handles Q002 light 7 Turn the output isolator Q004 to position 0 The green lamp H002 above the output isolator light 8 Turn all output switches Q002 to posi...

Страница 15: ...witch EMERGENCY UPS not alive 1 Turn the input switches Q001 to position 0 2 Turn the output switches Q002 to position 0 3 Turn the output isolator Q004 to position 0 4 Change possible released system input fuse s 5 Turn the bypass switch Q003 to position 1 ...

Страница 16: ...All systems will transfer to bypass operation 8 Check that green lamp H004 above output isolator Q004 lights 9 Turn the output isolator Q004 to position 1 Now also the green lamp H003 above the bypass switch handle Q003 lights 10 Turn the bypass switch Q003 to position 0 Only the green lamp H003 above the bypass switch handle Q003 lights Point 11 16 must be carried out with same UPS as was used fo...

Страница 17: ... Press on the keyboard 12 Press or on the keyboard until 13 Press on the keyboard 14 Press on the keyboard 15 Press on the keyboard No lamps on the bypass panel lights any longer Bypass operation YES Bypass operation NO Normal operation load power xx Display shows ...

Страница 18: ... output switch Q002 to position 0 When Q002 is in position 0 the UPS can be operated and tested as a single system without affecting the other parallel UPS s Switching back the UPS to normal parallel redundant operation 1 Turn the input switch Q001 and the output switch Q002 to position 1 2 Charge capacitors connect battery and start up the UPS as described in chapter 5 0 The UPS will automaticall...

Страница 19: ...ondition of the battery is checked The result is one of following 1 Battery is OK nothing will happen 2 Battery has reduced capacity Battery week is given 3 Battery capacity far to low Battery defective is given The battery monitoring test is performed by taking out max 25 of the energy in the battery But if the battery monitor is not installed or the exact present back up time has to be checked a...

Страница 20: ...arts the battery test To interrupt a running test perform point 1 2 and then press key and xxx is actual obtained back up time in minutes Battery capacity test only Exits the battery capacity test If not operated the system will auto matically exit this program after 30 seconds xxx is back up time from last test if no previous test has been per formed or if the test has been aborted the display wi...

Страница 21: ...nd the output voltages and will in case of mains failure switch to battery operation without interruptions The system will in order to keep the batteries fully charged at all times switch to normal operation in a pre programmed sequence The operation of the system is the same as already described in this guide with the exception of the following points When starting up the system will at first go ...

Страница 22: ... on the CD 10 2 Configuration code at normal operation Regarding test see further information in guide included on the CD Oper system UNIX VMS Win3 1x Win95 WinNT OS 2 Novell Config code 3 3 8 8 8 8 8 10 3 Choice of cable Operating system Software DP series Cable Windows 3 1x DP SOFT CDX DP300E 0 801 179 Windows 95 Windows NT OS 2 Novell UNIX VMS Windows 3 1x DP SOFT DP300E 0 801 178 Windows 95 Wi...

Страница 23: ...3 9239 0 Fax 49 2173 25977 GREAT BRITAIN Silcon Electronics Ltd Milton Court Bredbury Industr Park Horsfield Way Stockport GB Cheshire SK6 2SU Tel 44 0 1614 066 866 Fax 44 0 1614 066 867 IRELAND Gotec Ltd Clonshaugh Industrial Estate IE Dublin 17 Tel 353 1 848 6033 Fax 353 1 848 6040 POLAND Silcon Poland Ltd ul E Orzeszkowej 5 PL 02 374 Warzaw Tel 48 82 26 59 75 01 Fax 48 82 22 23 66 46 SWEDEN Sil...

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