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2. INSTALLATION

Cabinets

– The Mesta Electronics UPS system and optional auxiliary battery cabinets are supplied in

cabinets of several sizes, which are indicated by the last digit in the model number. Please reference
Appendix A for dimensions of enclosures. If UPS system is configured with internal batteries, Appendix
A contains their quantity and capacity.

Figure 1 UPS System Cabinet Enclosures

Battery Cabinet

UPS Cabinet

Содержание UPS10000

Страница 1: ...RONICS INC Uninterruptible Power System Owner s Manual MODELS UPS10000 UPS15000 UPS20000 UPS25000 UPS30000 UPS50000 11020 Parker Drive N Huntingdon PA 15642 412 754 3000 SAVE THESE IMPORTANT SAFETY IN...

Страница 2: ...3 1 DISPLAY 1 Screen 30 5 3 2 DISPLAY 2 Screen 31 5 3 3 DISPLAY ALARMS Screen 32 5 3 4 MANUAL BATTERY TEST Screen 33 5 3 5 SELECTABLE PARAMETERS Screen 34 5 3 6 AUTOMATIC BATTERY TEST SETUP Screen 35...

Страница 3: ...Battery Tray Configuration 50 List of Tables Table 1 Customer Site Breaker Wiring Requirements 5 Table 2 AC Input Load Wire Size and Torque Requirements 5 Table 3 RS232 Technical Specification Summary...

Страница 4: ...e load Handles nonlinear loads loads that require users of other UPS systems to buy more expensive higher rated units than they would otherwise need Provides current limiting and short circuit protect...

Страница 5: ...ain precautions must be taken to avoid possible injury should you need to unlock and enter this unit Before attempting to unlock or enter the unit read the section of this manual on Maintenance for im...

Страница 6: ...in cabinets of several sizes which are indicated by the last digit in the model number Please reference Appendix A for dimensions of enclosures If UPS system is configured with internal batteries App...

Страница 7: ...08 120Y for most systems a service feed breaker see Table 1 for ratings must be installed to protect the internal UPS transfer switch when the UPS is in the Bypass mode of operation If some other volt...

Страница 8: ...e voltage and power ratings are verified as compatible with your setup and the proper location for the unit has been selected and the unit properly secured there the UPS is now ready to be wired for A...

Страница 9: ...king for proper phase rotation the UPS will also examine the phase of each leg and the angle between phases The LCD screen will indicate any problems detected Figure 4 AC Wiring Terminal Block X Y Z W...

Страница 10: ...rn on section of this manual 2 1 ADDING AUXILIARY BATTERY CABINETS TO YOUR UPS SYSTEM WARNING Only qualified technicians or supervised personnel should attempt to connect disconnect external battery c...

Страница 11: ...ing terminals and transmitting signals whereby a mark binary 1 is represented by current on the line and a space binary 0 is represented by the absence of current The custom I O connector allows for 4...

Страница 12: ...PLEX Full PROTOCOL None used Interface is simple 3 wire RXDATA TXDATA and GND with no hardware or software handshaking MESTA SERIAL COMMUNICATIONS DTE CONNECTOR IBM PCAT COMPATIBLE COMPUTER SIGNAL PIN...

Страница 13: ...ST TO SEND 5 CTS CLEAR TO SEND 6 7 Signal Ground CURRENT LOOP TRANSMITTED 8 CD CARRIER DETECT 9 12V 10 12V 11 CURRENT LOOP RECEIVED DATA SOURCE 12 CURRENT LOOP RECEIVED DATA RETURN 13 DATA TERMINAL RE...

Страница 14: ...rating of contacts 120V 10A See Appendix B for function of relay contacts CONTACTS RELAY NC C NO 1 13 25 12 2 11 23 10 3 9 21 8 4 7 19 6 5 5 17 4 6 3 15 2 SMALL RELAY CONTACTS 13 12 25 24 23 22 21 20...

Страница 15: ...tions I O connectors serial communications port custom I O port and ports for dry relay contact outputs Other major components from top to bottom are cooling fans terminal block connectors heat sinks...

Страница 16: ...qualized with the utility so that the critical load is normally supported by two sources The system s operation is as follows the Mesta UPS inverter when first powered on converts battery power to AC...

Страница 17: ...aces them with the master control The keypad and LCD as well as the remote communication blocks constitute and provide the means by which the user can communicate with the UPS The LCD screen consists...

Страница 18: ...r a size 1 20 battery UPS Similar diagrams can be found posted on the inside of the door of the UPS Figure 9A shows the wiring associated with the DC voltage circuitry whose major components consist o...

Страница 19: ...aker and associated wiring if equipped with external batteries DC SIDE POWER 9b AC Power Wiring w Internal Batteries INPUT TERMINAL BLOCK 3 Phase Power Transformer 2 Delta Sources AC Utility and Power...

Страница 20: ...lta Sources AC Utility and Power Inverter 1 Wye Output SIZE ENGR DWG NO REV A AJA UPS50KWD 0 SCALE NTS UPS50KWD VSD SHEET 1 OF 1 MESTA ELECTRONICS INC 10 ALLEGHENY SQUARE GLASSPORT PA 15045 PHONE 412...

Страница 21: ...by the microcontroller as well as driver circuitry to allow the microcontroller to control all system components The microcontroller s firmware is stored in two EPROMs Erasable Programmable Read Only...

Страница 22: ...b System without Internal Batteries Power Circuitry Power Circuitry Power Circuitry Temp Sensor of Room Ambient External Batteries Chassis DC Contactor Power Circuitry Power Circuitry Power Circuitry...

Страница 23: ...osition is provided so that maintenance can be performed on the UPS without interrupting power to the load or to allow the load to be powered directly from the utility should a failure occur in the UP...

Страница 24: ...t off 2 Press the Alarm Reset button on the front panel keypad to acknowledge that you ve seen the warning The main status display display 1 should appear similar to the example that follows The messa...

Страница 25: ...mal operation was observed you can now turn ON your load If during this procedure the LCD screen displays an overload warning your load is too large for the UPS and some must be removed or the UPS wil...

Страница 26: ...ectly to the utility instead of powering your load from the UPS This feature allows maintenance to be performed on the UPS without interrupting your load You can switch to the ON BYPASS position then...

Страница 27: ...t a transfer is not possible due to low or bad batteries If the LCD screen indicates a transfer is not possible you may perform an interrupted transfer Such a transfer will result in an interruption o...

Страница 28: ...DLE position more than 10 seconds the lights will change to flashing in unison indicating the UPS output is off When the UPS is operating normally the green AC LINE light will be lit and the other yel...

Страница 29: ...l notice if an alarm condition exists display 1 and display 2 LCD displays will flash the category of alarm on the top line to remind you that an alarm exists Also the ATTENTION light on the front pan...

Страница 30: ...alarm category at the bottom of the display followed by the ENTER key to display alarms that exist under that category The following section goes into greater detail regarding this screen 4 SYSTEM RES...

Страница 31: ...NU screen Refer to the Troubleshooting section of this manual for additional details about the information displayed by this function 8 SET DATE TIME This function allows the date time or weekday kept...

Страница 32: ...ve selected it press either the ESCAPE key to go back to the DATE TIME WEEKDAY selection or the SELECT key to go back to the MAIN MENU If you press either of those keys prior to hitting the ENTER key...

Страница 33: ...ing the output power ON LINE INVERTER indicating the AC line and the batteries are jointly supplying the output power and OFF indicating the OUTPUT is off are flashed so as to gain the attention of th...

Страница 34: ...upplied to the load and kilowatts drawn from the batteries The upper half of the last column of this display contains battery current data Internal Battery Amps is a measure of the current drawn from...

Страница 35: ...ad This reason is flashed on and off to get the operators attention Press the ALARM RESET button to escape from this screen The following is a sample temperature overload screen oNOTEx Text appearing...

Страница 36: ...ssage indicates that the charge percentage dropped below 20 during the test This indicates that your battery capacity is greatly reduced and your batteries should be changed in the very near future as...

Страница 37: ...you may select one of three options If a battery test is not already in progress the 1 START option will appear in normal video and the 0 STOP option will appear in reverse video indicating 1 is a val...

Страница 38: ...meters press the ESCAPE key on the keypad to save the new parameters and leave the display If you press the SELECT key while in this display you will leave the display but none of the changes you made...

Страница 39: ...of available parameters that may be examined As an example if the present AC line voltage is to be examined one would type SA followed by striking the enter key One can also just enter S enter with no...

Страница 40: ...e output input kVA ratings power transformer step up ratio internal battery amp hr rating and 100 mv shunt current 100 mv _ amps Table 4 UPS Software Parameters S V option UPS Parameter Notes A AC lin...

Страница 41: ...on operating conditions and the present loading of the UPS The accuracy will be much more precise at the lower percentages than it is at the higher percentages where the performance curve flattens and...

Страница 42: ...ition then pushed up to the ON position In such situations where the UPS has totally shut itself down the information causing the shutdown is saved in a battery backed up historical data base within t...

Страница 43: ...ed 75 C or Ambient exceeded 65 C Look at History Display for overloads to find the cause of the overload Check current status of temperatures on Display 2 If temperatures are OK go to reset display an...

Страница 44: ...prior to the alarms to be displayed Once acknowledged the highest priority type of existing alarm will continue to be flashed on the 1st line of DISPLAY 1 and DISPLAY 2 In addition the red ATTENTION l...

Страница 45: ...unter clockwise to the ON BYPASS position to power the load directly from the utility CURRENT TRIP OCCURRED DURING STARTUP Internal Problem Call for service PHASELOCK PROBLEM DURING LOW BATT START Int...

Страница 46: ...for service LOW LOAD VOLTAGE NO HIGH LOAD CURRENTS Internal Problem Call for service POWER IMBALANCE UPS detected a problem with one or more of its internal current sensors Perform a Diagnostic Warni...

Страница 47: ...shut down in 1 minute If temperature does not drop call for service Shedding less critical loads may reduce the temperature problem until service on unit can be performed AC BREAKER IS OPEN AC breake...

Страница 48: ...rmation about each time the UPS is overloaded or experiences an over temperature condition Information recorded includes date time that the condition started and duration of the event Also recorded is...

Страница 49: ...cal shock hazard that could result in death or injury or damage to the UPS or its electrical loads may occur WARNING Risk of Electric Shock exists inside the UPS The UPS receives power from the AC sou...

Страница 50: ...all front panel LEDs go off unlock the front panel Push each latch in and turn 1 4 turn to open the front door DO NOT try to enter the unit any other way such as from the side or back panels of the un...

Страница 51: ...Use tools with insulated handles 3 Do not lay tools or metal parts on top of batteries 4 Do not touch battery terminals to any other battery terminals than those terminals intended to be connected to...

Страница 52: ...he rearmost terminal on the back battery it should be a positive battery terminal should be connected to the white taped wire whose other end connects to the resistive shunt on the left side of the UP...

Страница 53: ...50 Figure 11 Size 1 2 UPS Internal Battery Tray Configuration LOWER SHELF UPPER SHELF TRAY SHUNT BREAKER BLACK WHITE Figure A Size 1 SHUNT BREAKER BLACK WHITE UPPER SHELF LOWER SHELF Figure B Size 2...

Страница 54: ...s refer to section 5 3 6 for details Generally you should set up your system to perform Automatic Battery Tests at regularly scheduled intervals Should the automatic tests find a problem the UPS will...

Страница 55: ...t testing often enough reduces the likelihood of detecting and correcting a problem before it is too late This is why both a Quick and Capacity test exists The Quick test lasts only 3 seconds and is p...

Страница 56: ...ammed hour If unable to perform the test at that time the UPS will attempt again the following week Quick tests and or Capacity tests performed less than weekly will only be performed on the programme...

Страница 57: ...ithin the limits set on the SELECT PARAMETERS LCD display of the UPS normally set to 5 Hz at the factory Check to make sure all three fans exhausting air at top of unit are functioning this is accompl...

Страница 58: ...to the UPS and will nullify warranty and UL compliance WARNING Risk of Electric Shock Do not attempt to connect disconnect external battery cabinets to from the UPS unless the UPS external battery br...

Страница 59: ...nmarked wire should be inserted on the right side of the breaker from the top which is indicated to be According to Mesta convention the left side of the breaker will be and the right side 6 Make sure...

Страница 60: ...expressed as a percentage of the rated load of the UPS model Several examples of model numbers are included in Table 9 Table 9 UPS Internal Battery Time at Various Loads UPS MODEL NUMBER 100 Load 70...

Страница 61: ...eriods of time or up to 150 for 1 minute Wiring Diagrams Before beginning any work inside a Mesta Battery Cabinet review the configuration of the batteries in the cabinet to prevent any personal injur...

Страница 62: ...X 412 672 8208 AJA DFT TITLE Rear of Cabinet Front of Cabinet 2nd Shelf of Batteries Top View White White Black Black Figure 12b BC60 38 BC80 38 and BC100 38 Wiring Diagram 3rd Shelf of Batteries 4th...

Страница 63: ...shelves shown in detail The 3 rd shelf is identical to the 1 st shelf and the 4th shelf is identical to the 2 nd SIZE ENGR DWG NO REV A AJA BC40 65WD 0 SCALE NTS BC40 65WD VSD SHEET 1 OF 1 MESTA ELEC...

Страница 64: ...al contains the full set of operating specifications for the models covered herein Standard UPS Models UPS10000 3 20 1 10KVA KW 3 UPS15000 3 20 1 15KVA KW 3 UPS20000 3 20 1 20KVA KW 3 UPS25000 3 20 1...

Страница 65: ...ull system operating data warnings messages Rotating Transfer Switch to select modes OFF OFF IDLE ON UPS ON BYPASS Transfer Request button to allow UPS to switch between normal operation and maintenan...

Страница 66: ...ull system operating data warnings messages Rotating Transfer Switch to select modes OFF OFF IDLE ON UPS ON BYPASS Transfer Request button to allow UPS to switch between normal operation and maintenan...

Страница 67: ...ull system operating data warnings messages Rotating Transfer Switch to select modes OFF OFF IDLE ON UPS ON BYPASS Transfer Request button to allow UPS to switch between normal operation and maintenan...

Страница 68: ...t parameters LCD Screen to provide full system operating data warnings messages Rotating Transfer Switch to select modes OFF OFF IDLE ON UPS ON BYPASS Transfer Request button to allow UPS to switch be...

Страница 69: ...rameters LCD Screen to provide full system operating data warnings messages Rotating Transfer Switch to select modes OFF OFF IDLE ON UPS ON BYPASS Transfer Request button to allow UPS to switch betwee...

Страница 70: ...et parameters LCD Screen to provide full system operating data warnings messages Rotating Transfer Switch to select modes OFF OFF IDLE ON UPS ON BYPASS Transfer Request button to allow UPS to switch b...

Страница 71: ...sts a diagnostic condition exists or a warning condition exists 3 Transfer Switch is in the ON BYPASS position 4 UPS is producing output power AND Transfer Switch is in the ON UPS position MODE 1 Rela...

Страница 72: ...ormation to personnel in situations where the UPS is placed in an area that is normally unattended Other arrangements are also available from the factory APPENDIX C WARRANTY SERVICE AND REPAIR LIMITED...

Страница 73: ...REV 6 6 6 03 Mesta Electronics Inc The foremost name in power protection...

Страница 74: ...MESTA ELECTRONICS INC 11020 Parker Drive N Huntingdon PA 15642 412 754 3000...

Страница 75: ......

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