Product Manual
for
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://www.unipowerco.com
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 24: ...Micro ARE M Series 24V Chargers Single Phase Installation PM990 1070 24 Issue 12 2 6 FIGURE 2 1 12 CABINET DIMENSIONS...
Page 25: ...Micro ARE M Series 24V Chargers Single Phase Installation PM990 1070 24 Issue 12 2 7 FIGURE 2 2 24 CABINET DIMENSIONS...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
Page 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...
