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Micro

 ARE-M Series 24V Chargers, Single Phase 

 

Setup and Operation 

PM990-1070-24, Issue 12 

4-16 

3.

 

At the 

Power On Defaults

 screen, press SEL to return to the factory defaults or press ESC to return 

to the 

System Setpoints

 screen. 

4.3.4.7

 

Factory Calibration 

Factory Calibration is intended for use by factory personnel and is not field accessible. Contact 
UNIPOWER Service for additional information. 

4.3.4.8

 

Field Calibrations 

The only user adjustment on the Interface Board (A1) is load share adjustment R63. No other settings are 
field adjustable.  All other field adjustments are described previously in this chapter. 

4.3.4.9

 

Field Connection and Calibration of Loadshare 

Load sharing allows two or more ARE Series and ARE-M Series units connected in parallel to share the 
load in proportion to their ratings. The power supplies will share the load within 5% of the rating of the 
largest unit between 10% and 100% of their ratings. The load sharing is connected through the no charge 
alarm, which disconnects the load sharing should one charger be shut off. 

 
Connections 
 

For load sharing, connect all units which are to share the load to the system bus using equal lengths of 
properly sized cables. Connect #18 AWG insulated wire from TB2-3 or 4 (LOADSHARE) on the 
Interface Board (A1) of charger A to TB2-3 or 4 (LOADSHARE) on the Interface Board (A1) of charger 
B. 

 
Adjustment 

 
The loadshare is set at the factory and normally does not require any adjustment. If adjustment is needed, 
follow the procedure below. 
 

A.

 

For each unit, turn on only one unit at a time and adjust the output voltage to the desired level. 

 
B.

 

Connect a digital voltmeter positive lead to the power supply positive output and the negative 
lead to TB2-3 or 4 (LOADSHARE) on the Interface Board (A1).  No other connections should be 
made to these terminals on the interface board. 

 
C.

 

Adjust potentiometer R63 on the interface board for 5.0VDC at zero output current. 

 

For Two Power Supplies 
 

A.

 

Turn on both units. Verify Load sharing is enabled on both units.  (See 4.3.4.4) 

 
B.

 

Add some load to the system and adjust R63 on the unit with lower output current to match the 
output current of the other unit.  For best results, the load should be between 50% and 100% of 
the combined rating of the two units. 

 

For More Than Two Power Supplies 
 

Start by adjusting two of the units then add the rest of the units one at a time, adjusting R63 on each 
added unit until all units are sharing the load. 
 

Содержание ARE-M02406

Страница 1: ...Micro ARE M Series 24V Float Chargers Single Phase Input PM990 1070 24 Issue 12 UNIPOWER LLC 3900 Coral Ridge Drive Coral Springs FL 33065 Phone 1 954 346 2442 Toll Free 1 800 440 3504 Web site http...

Страница 2: ...fore unpacking installing using or servicing the described equipment UNIPOWER LLC presents all equipment to the delivering carrier securely packed and ready for transport Upon acceptance of the equipm...

Страница 3: ...g carrier with your claim form It is your responsibility to file a claim with the delivering carrier Failure to properly file a claim for shipping damages may void warranty service for any physical da...

Страница 4: ...er le chargeur Use care in handling and unpacking the charger Refer to the previous sections as needed NAMEPLATE A UNIPOWER LLC product is identified by a nameplate that includes model number part num...

Страница 5: ...rein are subject to revision by UNIPOWER LLC without notice While such information is believed to be accurate as indicated herein UNIPOWER LLC makes no warranty and hereby disclaims all warranties exp...

Страница 6: ...e Battery String 2 10 2 4 5 Connecting an External DC Load 2 11 2 4 6 Connecting Alarm Annunciation 2 12 2 4 7 Connecting the Battery Temperature Probe Option 2 14 3 0 COMMISSIONING 3 1 PREPARATORY ST...

Страница 7: ...SENSOR 7 3 7 5 GROUND DETECTION SWITCH 7 3 7 6 DNP3 COMMUNICATIONS 7 3 7 7 HIGH INTERRUPT AC BREAKERS 7 3 7 8 List of Tables TABLE 1 1 MODEL DESIGNATION 1 3 TABLE 1 2 SETTABLE PARAMETERS STANDARD MOD...

Страница 8: ...NFIGURATION MENU 4 5 FIGURE 5 1 BLOCK DIAGRAM TYPICAL MICRO ARE M FLOAT CHARGER 5 1 FIGURE 6 1 CAPACITOR DISCHARGE BUTTON 6 6 FIGURE 6 2 12 CABINET ASSEMBLY 6 8 FIGURE 6 3 12 CABINET SCHEMATIC ARE M02...

Страница 9: ...llowed by a section containing replacement parts lists Troubleshooting information for the Interface Board and the Control and Display Board follows the parts lists Chapter 7 Options and Accessories f...

Страница 10: ...ungicide Treatment Applied to inside of charger Drip Shield Prevents overhead drops from entering unit SIS Control Wiring Excludes ribbon cable and power cables High Interrupt DC Breakers 10K AIC mini...

Страница 11: ...andard 480V AC Breaker Standard Capacity DC Breaker C Telecom High Capacity AC Breaker Standard Capacity DC Breaker D Telecom High 480V AC Breaker Standard Capacity DC Breaker DC Protection 1 None Sta...

Страница 12: ...mum Mounting Depth Shipping Weight ARE M02406 ARE M02412 ARE M02425 12 12 25 311 17 432 15 381 6 152 65 30 75 33 102 46 ARE M02450 ARE M24100 24 24 5 622 17 432 15 381 6 152 162 74 216 98 Cabinet dime...

Страница 13: ...acity 10 000A Heat Dissipation 200 BTU Hour ARE M02412 DC Output Voltage and Current 26 4V 12A Ripple On Battery NA Off Battery 30 mV rms No Cells L A 12 Recommended DC Cable 12 AWG 3 3 mm2 Terminal B...

Страница 14: ...V 5 000A 125V or with a 125A series fuse 5 000A 480V AC Breaker Interrupt High Capacity 10 000A except 18 000 480Vac Heat Dissipation 1150 BTU Hour ARE M024100 DC Output Voltage and Current 26 4V 100A...

Страница 15: ...mum Surge Protection Optional MOVs metal oxide varistors on output terminals Optional Lightning arrestor on input terminals Current Walk In Soft Start Less than 15 seconds for output current increase...

Страница 16: ...85 2 35 Vpc Volts per cell see table below Equalize Voltage 2 0 2 45 Vpc see table below Manual Equalize On Off Equalize Duration 1 255 hours Auto Equalize After AC Fail On Off Equalize After 1 7200 m...

Страница 17: ...face ABBREVIATIONS AND ACRONYMS 1 4 Listed here are many of the abbreviations and acronyms that may appear in this manual Abbreviation Acronym Or Symbol Meaning ANSI American National Standards Instit...

Страница 18: ...owerco com When contacting UNIPOWER please be prepared to provide 1 The charger model number spec number S build number and serial number see the equipment nameplate on the front panel 2 Your company...

Страница 19: ...ry and local codes INSTALLATION SUMMARY 2 1 A typical installation sequence is provided below References to appropriate sections in this manual are included 1 Review the list of user supplied tools an...

Страница 20: ...Specifications The torque specification table in this subsection is referenced in procedures that include hardware 2 2 1 Tools and Accessories To install the charger the following user supplied items...

Страница 21: ...s in the cable I maximum current in amps L one way cable length in feet V allowable loop voltage drop in volts Example Assume a maximum output current of 25 amperes an allowable loop voltage drop of 0...

Страница 22: ...0 78 3 90 814 1 000 Data based on NEC Handbook 2005 Table 310 16 and 310 17 adjusted for 50 C 122 F ambient temperature 2 2 3 Torque Specifications Proper Charger performance requires that the hardwa...

Страница 23: ...rs is customer supplied since it must be selected on site to be appropriate for the mounting surface Figures 2 1 and 2 2 show charger mounting bracket locations Charger mounting options are listed bel...

Страница 24: ...Micro ARE M Series 24V Chargers Single Phase Installation PM990 1070 24 Issue 12 2 6 FIGURE 2 1 12 CABINET DIMENSIONS...

Страница 25: ...Micro ARE M Series 24V Chargers Single Phase Installation PM990 1070 24 Issue 12 2 7 FIGURE 2 2 24 CABINET DIMENSIONS...

Страница 26: ...string terminals through a fuse or circuit breaker User s AC Electrical Service Panel ARE Series Float Charger _ Battery String _ Load _ Single Phase AC Input DC Output FIGURE 2 3 ELECTRICAL INSTALLA...

Страница 27: ...the upper center of the internal panel It is labeled with a ground symbol Internally this terminal is connected to the charger cabinet chassis 3 Route the user supplied ground wire through one of the...

Страница 28: ...r switch the AC input breaker to off 4 Locate the conduit entrance hole and install conduit as necessary 5 Route the AC cable from the user s AC electrical service panel and into the charger cabinet S...

Страница 29: ...connections depend upon whether the charger is connected to a battery string Battery String Connected Connect the external load to the battery string terminals through a circuit breaker or fuse Batter...

Страница 30: ...De Energized Energized NCA Energized De Energized GND De Energized Energized GND De Energized Energized RECT FAIL De Energized Energized AC FAIL Energized De Energized SUMMARY De Energized Energized T...

Страница 31: ...ovable Plug TB1 Interface Board Mounted Terminal Blocks Customer Alarm Wiring FIGURE 2 6 INTERFACE BOARD FIGURE 2 7 ALARM CONNECTIONS DETAIL INTERFACE BOARD OPTIONAL EXTERNAL TEMPERATURE PROBE CONNECT...

Страница 32: ...ery string Cable length is approximately 25 feet 8m 4 Determine which battery cell or group of cells will have the highest operating temperature 5 Determine the charge discharge status of the battery...

Страница 33: ...RTANT Press the keypad with your finger Pressing with a sharp or pointed tool will damage the switch overlay and can damage the switch itself The following two sections will describe charger commissio...

Страница 34: ...y as well Alarm wiring is correct and tight and that user supplied alarm annunciators function The charger chassis is correctly grounded 4 Switch the DC output breaker on the charger front panel to on...

Страница 35: ...f the float voltage is set at high or low battery temperature with battery temperature compensation turned on compensation may adjust the charger voltage by as much as 2 volts 2 If not performed previ...

Страница 36: ...No battery string connected The capacitors will become charged when the AC breaker is closed in step 4 Both current and voltage will then build up gradually provided some load is connected TURNING OF...

Страница 37: ...e Home screen will automatically be displayed If equalization is enabled the Home screen will show the charger output voltage and current and the equalization time remaining Active alarms will also be...

Страница 38: ...RE 4 1 MAIN MENU The Active Alarms screen will show all current alarms If multiple alarms are present their alarm descriptors will scroll through the screen Viewing an alarm also acknowledges that ala...

Страница 39: ...Equalize Hi Bat Temp Setpoint LVA Delay HVA Delay Ground Fault Resistance HVSD Delay NCA Delay CL Delay Ground Fault Voltages GND Delay GND Delay RFA Delay ACF Alarm Delay EQ Alarm Delay VLVA Delay H...

Страница 40: ...Delay GND Enable Disable RFA Delay RECTF Enable Disable ACF Delay ACF Enable Disable EQ Delay EQ Enable Disable VLVA Delay VLVA Enable Disable HBTA Delay HBTA Enable Disable Summary Delay ALARM mode...

Страница 41: ...D Ground fault to GND Ground fault to VLV Very Low Voltage HBTA High Battery Temperature Alarm RECTF Rectifier Fail ACF AC Fail EQ Equalize and SUMM SUMMary 2 To return to the Home screen press ESC 4...

Страница 42: ...Always On Press SEL to store the time 7 Press ESC to step back up through the menu hierarchy to the Home screen To terminate equalization and return to float mode 1 At the Home screen press UP or DN u...

Страница 43: ...how to navigate the Charger Setup menu so that you can change operating parameters to accommodate your application Note If password protection is enabled only authorized personnel will be able to chan...

Страница 44: ...Refer to the battery manufacturer s data sheet for the float and equalization setpoints that best fit your application and battery type Do not set either float voltage or equalize voltage while the ch...

Страница 45: ...d is below the set point The Ground Alarm resistance is adjustable High resistance values are for a very sensitive detection low values are for less sensitive detection The ground fault resistance and...

Страница 46: ...n the disable mode the alarms clear once the alarm condition has cleared Set Parameter Values Parameter values accessed from the System Setpoints System Alarms and Summary Alarm screens are changed as...

Страница 47: ...f the following Press SEL to store the change The equals sign will stop flashing Go to step 7 Press ESC to cancel or abort compensation Go to step 10 7 Press DN to display the Set Temperature Coeffici...

Страница 48: ...ess SEL Go to step 5 5 At the AC Fail Equalize screen perform one of the following To enable AC Fail Equalize press SEL The equals sign will flash Press UP to enable AC Fail Equalize and display the A...

Страница 49: ...are a load with an earlier model ARE To enable Load Share 1 From the Home screen press UP or DN until CHARGER SETUP appears Press SEL 2 From the Load Share screen press SEL The Load Share Disabled scr...

Страница 50: ...o move to another Setup Select Screen or press ESC until the Home screen appears B Changing a Password 1 At the Password screen press SEL to display the Old Password screen 2 Press UP until your old p...

Страница 51: ...share the load to the system bus using equal lengths of properly sized cables Connect 18 AWG insulated wire from TB2 3 or 4 LOADSHARE on the Interface Board A1 of charger A to TB2 3 or 4 LOADSHARE on...

Страница 52: ...units It is recommended that where paralleled units are being used to float a battery before the system load is installed only one unit be left operating 2 Minor changes in the displayed output curre...

Страница 53: ...gulation against changes in load and input frequency the chargers employ a ferroresonant transformer and UNIPOWER controlled ferro technique which controls the level of core saturation This is accompl...

Страница 54: ...pad and LEDs On Off and Alarm The display and LEDs are mounted directly to the Control and Display Board The keypad adheres to the metal front panel of the charger and is connected to the Control and...

Страница 55: ...Discharge filter capacitors before servicing See Figure 6 1 AVERTISSEMENT Risque d arc Un arc lectrique peut causer des dommages sur les quipements des interruptions de charge et des blessures Retirez...

Страница 56: ...eter values to be sure an unintended setup change is not interfering with equipment operation 7 Note environmental conditions before and at the time of the malfunction e g excessive ambient temperatur...

Страница 57: ...w o proportional load sharing could cause this code EQ Current Limit When the charger is changing from float to equalize the increase in voltage is causing the charger to go into current limit The ch...

Страница 58: ...c Check for shorted DC filter capacitors 3 Open circuit Check all wiring for open or loose connections C Low DC output voltage Check voltage at DC output terminals with a portable meter 1 Short in re...

Страница 59: ...uit boards connectors and wiring for loose contacts 2 Defective triac Replace triac 3 Component failure in Control and Display board Replace Control and Display board 4 Open power diode Check power di...

Страница 60: ...the front panel door to discharge filter and resonant capacitors if required See Figure 6 1 for a typical location of the button CAUTION For Service Only AC and DC breakers must be open before pressi...

Страница 61: ...t will show zero resistance If the capacitor is open it will read infinite resistance Resonant Triac Remove either the MT1 or MT2 triac connection being careful not to remove gate wire and check with...

Страница 62: ...ries 24V Chargers Single Phase Maintenance PM990 1070 24 Issue 12 6 8 12 CABINET ASSEMBLY AND SCHEMATICS 6 5 Note See Table 6 2 Parts Lists for reference designators and part numbers FIGURE 6 2 12 Cab...

Страница 63: ...Micro ARE M Series 24V Chargers Single Phase Maintenance PM990 1070 24 Issue 12 6 9 FIGURE 6 3 12 Cabinet Schematic ARE M02406 120 208 240...

Страница 64: ...Micro ARE M Series 24V Chargers Single Phase Maintenance PM990 1070 24 Issue 12 6 10 FIGURE 6 4 12 Cabinet Schematic ARE M02412 120 208 240...

Страница 65: ...Micro ARE M Series 24V Chargers Single Phase Maintenance PM990 1070 24 Issue 12 6 11 FIGURE 6 5 12 Cabinet Schematic ARE M02425 120 208 240...

Страница 66: ...ries 24V Chargers Single Phase Maintenance PM990 1070 24 Issue 12 6 12 24 CABINET ASSEMBLY AND SCHEMATICS 6 6 Note See Table 6 2 Parts Lists for reference designators and part numbers FIGURE 6 6 24 Ca...

Страница 67: ...Micro ARE M Series 24V Chargers Single Phase Maintenance PM990 1070 24 Issue 12 6 13 FIGURE 6 7 24 Cabinet Schematic ARE M02450 120 208 240...

Страница 68: ...Micro ARE M Series 24V Chargers Single Phase Maintenance PM990 1070 24 Issue 12 6 14 FIGURE 6 8 24 Cabinet Schematic ARE M02450 480...

Страница 69: ...Micro ARE M Series 24V Chargers Single Phase Maintenance PM990 1070 24 Issue 12 6 15 FIGURE 6 9 24 Cabinet Schematic ARE M024100 120 208 240...

Страница 70: ...Micro ARE M Series 24V Chargers Single Phase Maintenance PM990 1070 24 Issue 12 6 16 FIGURE 6 10 24 Cabinet Schematic ARE M024100 480...

Страница 71: ...cuit Breaker 480 input N A N A N A CB1 Hi Cap Circuit Breaker 120 input 272 0117 05 272 0117 10 272 0117 15 CB1 Hi Cap Circuit Breaker 208 input 272 0117 05 272 0117 10 272 0117 15 CB1 Hi Cap Circuit...

Страница 72: ...t Breaker 208 input 272 0116 15 N A 272 0116 30 N A CB1 Hi Cap Circuit Breaker 240 input 272 0116 15 N A 272 0116 25 N A CB1 Hi Cap Circuit Breaker 480 input N A 272 0118 15 N A 272 0118 15 CB2 2 Pole...

Страница 73: ...hand 6 8 1 Board Interchangeability The Interface Board part number suffix e g 306 3078 24 specifies the compatible charger DC output voltage 24V in the preceding example Suffix letters indicate opti...

Страница 74: ...switches SW1 and SW2 SW1 is set for the DC current output rating of the charger SW2 is set for the DC voltage output rating of the charger SW2 may not be on all boards After the switches are changed...

Страница 75: ...1070 24 Issue 12 6 21 FIGURE 6 11 COMPONENT LOCATIONS INTERFACE BOARD CONTROL BOARD CONNECTOR 40 PIN CHARGER CONNECTOR 4 PIN CHARGER CONNECTOR 3 PIN CHARGER CONNECTOR 17 PIN P2 SW1 SW2 EXTERNAL TEMPER...

Страница 76: ...r the battery string is connected to the charger 1 Refer to Chapter 4 Setup and Operation and turn off the charger 2 Loosen the two quarter turn captive fasteners and open the front panel The board is...

Страница 77: ...f the failed keypad and peel the keypad from the front panel Note The hole that the ribbon cable went through Remove any adhesive residue with denatured alcohol or other compatible solvent 3 Check the...

Страница 78: ...ES This chapter contains details about the options and accessories currently available for the charger Lightning Arrester 7 1 A surge suppression device connected across the AC service to ground preve...

Страница 79: ...Equalize voltage shoudl be set about 0 7 volts above the desired battery voltage to compensate for the diode voltage drop This offset should be adjusted to obtain the desired output voltage for each...

Страница 80: ...and described in Section 2 4 7 This is required for battery temperature compensation and to annunciate a high battery temperature alarm Ground Detection Switch 7 6 The Ground Detection Switch is a fac...

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