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Section VII 

Trouble-Shooting Guide

006-0007097  02/14/2019 

 

Rev E 

47 of 52 

UPS-1250DC Guide www.synqor.com

Two other conditions should be mentioned:

• The fans are off when the UPS is running

It is normal for the fans to be off, even if the UPS is running and delivering power to the load, 

as long as the temperature of the UPS is low enough. If the Fan Service Required LED (C0) is 

green, both of the fans are OK, even if they are not running.

• The UPS does not turn off when the ON/OFF switch is pushed down

When the ON/OFF switch on the front panel is pushed down, the UPS does not respond to this 

signal for approximately 1 second. This is done to ensure that the UPS is not accidently turned 

off. If the user does not hold the ON/OFF switch in the OFF position for a full second before 

releasing it, the UPS will not turn off.

Other possible situations that are the result of external issues that a user could 

likely correct are related to:

• Loads that draw a large surge of current at start-up

Some DC loads draw a very large amount of current when an input voltage is first applied to 

them. This might happen when the UPS is first turned on if the load is already connected to the 

UPS. Or it may happen when the load itself is turned on and/or connected to the DC OUTPUT 

of a UPS that is already running. Common examples of such loads are motors and incandescent 

lights, but some electronic equipment can also display this characteristic.

Several problems could arise with such a load:

▪  The UPS fails to start the load:

The SynQor UPS is designed to try various start-up routines when it is first turned on to overcome 

the problem of surge currents with some loads. 
If  there  is  more  than  one  load  of  the  DC  OUTPUT  that  displays  this  start-up  surge 

characteristic,  and  the  UPS  is  not  capable  of  starting  with  all  of  them  connected  and 

switched on, it may be possible to switch on each load in turn. For instance, if the UPS 

cannot start up with a load consisting of a large bank of incandescent lights, then it may be 

able to start if various sections of the lights are switched on in sequence. 

Содержание UPS-1250 Series

Страница 1: ...USA only SynQor Headquarters 155 Swanson Road Boxborough MA 01719 1316 USA www synqor com Made in USA Uninterruptible Power Supply UPS 1250 S 1U UPS 1250 E 2U UPS 1250 S 2S Operator s Guide UPS 1250 D...

Страница 2: ...ations 12 UPS 1250 S 1U Mechanical Diagram 14 UPS 1250 E 2U Mechanical Diagram 15 UPS 1250 S 2S Shallow Rack Mechanical Diagram 16 UPS Efficiency 17 Total Output Power that can be derived from the AC...

Страница 3: ...attery Pack 36 Battery Pack Replacement 36 Handling the Battery Pack 37 Section V Control Interface Details Control Cable Connections 38 Internal User I O Circuits 39 Remote On Off Switch Connections...

Страница 4: ...from the UPS If the AC input cable is connected to the source of AC power and not connected to the UPS do not contact the exposed terminals of the AC input cable Do not assume that the source of AC p...

Страница 5: ...s The INPUT AND OUTPUT POWER connectors and cables of the SynQor UPS may be the source of high levels of energy Do not inappropriately make electrical contact between any terminal of a connector and a...

Страница 6: ...f batteries in a fire The batteries may explode CAUTION Do not open or mutilate batteries Released electrolyte is harmful to the skin and eyes It may be toxic Always use the proper SynQor battery pack...

Страница 7: ...according to SynQor s MIL COTS Standards It complies with the requirements of MIL STD 704F MIL STD 1399 300B MIL STD 1275D and MIL STD 461F as well as IEC EN61000 specifications for world wide commerc...

Страница 8: ...hin the UPS that draws power from one of up to three power sources the AC INPUT the DC INPUT or the battery with that order of priority based on availability EMI filters are present at all external in...

Страница 9: ...put of the UPS There is a battery charger circuit that draws power from the mid bus It ensures the batteries are normally fully charged and that the various cells are equalized The battery also contai...

Страница 10: ...ding UPS 1250 S 1U LR28D00 000 UPS 1250 E 2U WR28D00 E00 00 No CE Marking UPS 1250 S 2S LR28D00 0CE Parallelable with CE mark CE CE Marking The UPS 1250 DC Output Series of products provide up to 1250...

Страница 11: ...nd Benign Ta 25 C AC Input Connector MS3470L14 4P User I O Ports HD DB15 Female ELECTROMAGNETIC CAPABILITY MIL STD 461F Configuration I O Port HD DB15 Male CE101 30 Hz 10 kHz Ethernet Port Amphenol RJ...

Страница 12: ...at the web site http www synqor com UPS DCOutput Ethernet Port Option Exhaust Fan Exhaust Fan User I O Port User Config Port Ground Stud 1 4 20 DC Input AC Input ACCircuit Breaker UPS 1250 S 1U with D...

Страница 13: ...PS 1250DC Guide www synqor com DC Output Exhaust Fan Ethernet Port User I O CONFIG Port DC Input Exhaust Fan AC Input AC Circuit Breaker UPS 1250 S 2S Unit with AC DC Input DC Output Ground Stud 1 4 2...

Страница 14: ...019 Rev E 14 of 52 UPS 1250DC Guide www synqor com UPS 1250 S 1U Mechanical Diagram 17 00 431 8 1 73 43 9 18 700 474 98 0 75 19 1 0 75 19 1 1 5 38 1 22 25 565 15 0 313 7 9502 0 625 15 875 9 750 247 65...

Страница 15: ...PS 1250DC Guide www synqor com UPS 1250 E 2U Mechanical Diagram UNIT MOUNTING HOLES 8 32 250 x52 18 700 474 98 2 375 60 325 1 749 44 425 2 062 52 375 0 75 19 1 0 75 19 1 1 5 38 1 22 25 565 15 3 33 84...

Страница 16: ...DC Guide www synqor com UPS 1250 S 2S Shallow Rack Mechanical Diagram 0 750 19 05 13 00 350 5 330 2 13 80 10 750 273 05 1 50 38 1 0 31 7 9 0 63 15 9 1 75 44 5 2 06 52 4 2 38 60 3 0 750 19 05 0 750 19...

Страница 17: ...OUTPUT from a 22 28 and 33 volts input 80 82 84 86 88 90 92 94 0 250 500 750 1000 1250 E ciency Output Power W 28 V 33 V 22 V E ciency vs Output Power Figure 1 Figure 2 shows the typical efficiency w...

Страница 18: ...from 1250 W at 90 Vrms to 1000 W at 80 Vrms except for at the high end of the ambient temperature range see below For example the total output power that could be derived from the AC INPUT would be 1...

Страница 19: ...m the AC INPUT having a voltage within this uncommon range for 15 seconds before the UPS will switch over to the DC INPUT or the BATTERY PACK Also note that the UPS can drive it full rated power for a...

Страница 20: ...nput power source the UPS 1250 S 2S has two different maximum temperatures ratings For an AC input source the maximum operating temperature is 50 C Operating the UPS 1250 S 2S Shallow Rack above 50 C...

Страница 21: ...ram Looking at the rear panel the UPS connector terminals have the following functions and locations AC INPUT Pin Function A Line B Neutral C No Connect D Ground A B D C DC INPUT Pin Function G F E Vi...

Страница 22: ...issue for all of the power cables it is particularly important for the DC INPUT and DC Output cables because the current flowing through it is very high as high as 65 A for the UPS 1250 DC Output Seri...

Страница 23: ...orrectpolarity Connect the USER I O cables Connect all INPUT cables first to the UPS and then to the various sources An overcurrent protect and disconnect device should be installed on the DC INPUT ci...

Страница 24: ...are available the UPS can still be turned on It will draw power from the internal battery for as long as the battery has charge left in it This is sometimes referred to as a COLD START in the industry...

Страница 25: ...tput power cable without harming the UPS or disrupting power delivery to a load that might be connected to the other output NOTE that disconnecting an input or output power cable while that cable is h...

Страница 26: ...nnot otherwise maintain its specified maximum temperature for its internal circuitry the fans will momentarily be driven at a speed that exceeds their rated long term running speed There is an LED on...

Страница 27: ...is section LEDs LED above the ON OFF switch This LED has four possible indications according to the table below LED Appearance Description Indication Green UPS is Running Outputs are Enabled Amber UPS...

Страница 28: ...to Provide Load Power Pulsing Green Input is the One Presently Selected as the Source of Power Amber Input has Returned within Range and Diagnostic Tests are Being Performed Off Input is Not within R...

Страница 29: ...r 75 B0 B1 B2 Green B3 Dimmed Green Total Load Power 100 B0 B1 B2 Green B3 Blinking Red Total Load Power 100 Battery State of Charge Indicators LEDs in positions E0 E3 The LEDs in positions E0 through...

Страница 30: ...ed UPS Temperature Fans Running at 100 Red Maximum UPS Temperature Fans Running at 110 Battery Pack Temperature Indicator LED in position F1 The LED in position F1 indicates the temperature of the bat...

Страница 31: ...Have Recently Had Degraded Performance and Diagnostic Tests are Being Performed Red One or Both Fans Presently Have Degraded Performance Battery Pack Service Required Indicator LED in position C1 The...

Страница 32: ...Turned Off and Back On to Reset Fault Four UPS is Drawing Power From the Battery Pack and the Remaining Charge is 10 Hot Swapping the Battery Pack The battery pack can be removed from the UPS and it o...

Страница 33: ...MIL STD 810G MIL STD 810G Test Method Name Procedure Details 500 5 Low Pressure I II and III 15 000 ft operating 40 000 ft storage 501 5 High Temperature I and II 55o C operating 65o C storage 502 5 L...

Страница 34: ...its battery cells fails In a normal battery configuration the failure of a single cell would disable the entire battery The SynQor battery packs are designed with their battery cells arranged in segme...

Страница 35: ...arge time of 2 hours It has 3 battery segments and weighs 10 5 lbs Its run time as a function of UPS load power is Total UPS Output Power Standard Battery Run Time 100 Rated Power 10 Minutes 80 Rated...

Страница 36: ...taken to ensure this range is not exceeded or the battery s energy storage capacity and or life may be degraded Battery Pack Replacement Battery Packs 1250 S Series 1U 33 lbs 1250 2S Series 2U 33 lbs...

Страница 37: ...this chassis and the exposed power terminal strip is not subjected to extreme mechanical shock or to excessive moisture UPS battery packs must be shipped per Federal DOT Regulations as a Class 9 Fully...

Страница 38: ...e rear panel of the UPS The User I O female DB15 connector on the left is for an optional connection to a host system computer so that it can control the UPS and receive information regarding the stat...

Страница 39: ...148 2N3904 Input Pin 50k Ohms 100 Ohms 5V 500 Ohms PS2581L 1N4148 I O Circuits OUTPUT ON OUTPUT OFF 5V Pin SHUTDOWN Input Pin Remote On Off Switch SPDT Momentary ON OFF ON 100 Ohms 5V 8 500 Ohms 13 PS...

Страница 40: ...low indicates DC Output voltage is within range OVER_TEMP 15 Open collector output where low indicates that the UPS is at or above its maximum temperature REMOTE_START 12 Drive this line high with 5m...

Страница 41: ...ace supports auto negotiation polarity correction and Auto MDIX detection and use of straight through or cross over cables IP address assignment can be done via DHCP or user entry of a static address...

Страница 42: ...It may be toxic Always use the proper SynQor battery pack See the battery replacement chart on page 36 Fans The fans on the rear panel have sealed bearings that do not require any maintenance Fan ass...

Страница 43: ...These external conditions can likely be corrected by the user The 16 LEDs on the front panel of the battery pack are the best and first place to look to determine what might be wrong with the UPS The...

Страница 44: ...too much series resistance Thicker wire should be used D0 DC INPUT Power LED LED is OFF The optional DC INPUT is not available on this unit The DC INPUT power source is not turned on The DC INPUT cabl...

Страница 45: ...to keep the unit cool The maximum recommended temperature may be exceeded but the fans are keeping things cool enough to avoid triggering the over temperature shut down circuitry F1 Battery Pack Tempe...

Страница 46: ...of its rated value The UPS s battery run time will therefore be similarly reduced The battery pack should be replaced at the earliest convenient time All 16 LEDs All LEDs are OFF The battery pack is...

Страница 47: ...o Loads that draw a large surge of current at start up Some DC loads draw a very large amount of current when an input voltage is first applied to them This might happen when the UPS is first turned o...

Страница 48: ...to determine that the voltage at its AC INPUT or its DC INPUT is below its minimum specified value even though the corresponding voltage at the source of AC or DC power is within the specified range...

Страница 49: ...y another stop for one minute and so on This same problem can also occur for the AC INPUT if the voltage at the AC source is close to the specified 80 Vrms minimum limit In this case the UPS will try...

Страница 50: ...Section VII Trouble Shooting Guide 006 0007097 02 14 2019 Rev E 50 of 52 UPS 1250DC Guide www synqor com NOTES...

Страница 51: ...Section VII Trouble Shooting Guide 006 0007097 02 14 2019 Rev E 51 of 52 UPS 1250DC Guide www synqor com NOTES...

Страница 52: ...ptible Power Supply 006 0007097 02 14 2019 Rev E 1 888 567 9596 USA only SynQor Headquarters 155 Swanson Road Boxborough MA 01719 1316 USA www synqor com Made in USA Operator s Guide UPS 1250 DC Outpu...

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