American Power Conversion BI800T User's Manual
Contents
1. www apc com Power Inverter Model BI800T and BI800F Installation Guide and User s Manual 990 1810A Copyright 2004 American Power Conversion All rights reserved APC is a registered trademark of American Power Conversion All other trademarks are the property of their respective owners CONTENTS Overview Checklist Section 1 Unpacking Inspection at reseller location Main Housing Chassis and Inverter Battery Inspection Unpack Battery Inspect Battery Clean battery Remove Battery from Shipping Container Check Battery Fluid Level Check Battery Charge Level Repackage Battery Section 2 Unpacking Inspection at customer location Main Housing Chassis and Inverter Battery Inspection Unpack Battery Inspect Battery Clean Battery Remove Battery from Shipping Containe Check Battery Fluid Level Check Battery Charge Level Section 3 Installation 1 Main Housing Placement Location Selection Lock Wheels Battery Installation Main Housing Chassis Rear Panel Removal Install a Battery Battery Connections Install Main Housing Chassis Rear Panel Install Inverter Install Wiring Management Kit Section 4 Controls and Indicators Inverter Controls AWAY HOME TEST MUTE Circuit Breaker Switch Inverter Indicators Section 5 Troubleshooting Manual Bypass Preventative Maintenance Specifications Warranty Contact Information Page he SR RR Hh BW W WOwWNNNNNN WYN m e NADADAANH KKK HK A AA L 13 14 152. 15 CONTENTS continued FIGURES Figure 1 APC Power Inverter Figure 2 Battery Elements tubular battery shown Figure 3 Battery Fill Cap Elements Figure 4 Main Housing Chassis Rear Panel Removal Figure 5 Battery Installations and Connections Figure 6 Inverter Assembly Placement Figure 7 Typical Home Wiring Before Inverter Installation Figure 8 Typical Home Wiring After Inverter Installation Figure 9 Power Inverter Connections Figure 10 Wiring Management Kit Installation Figure 11 Power Inverter Front Panel Controls and Indicators Figure 12 Power Inverter Bypass Connection TABLES Table 1 Power Inverter Indicators Table 2 Power Inverter Troubleshooting Table 3 APC Power Inverter Technical Specifications ii Page OSONDAN jmi U S 10 12 14 Thank you for purchasing APC s Power Inverter Please fill out the enclosed Warranty Registration Card or register your purchase on line at www apc com support Overview APC s Power Inverter Figure 1 is designed for years of trouble free use The Inverter is a sinewave back up power supply intended to serve house loads It is rated for 800 VA S00W at 230 Vac 50 Hz and operates on a wide range of input voltages 100 265V If the input voltage goes out of range less than 100V or more than 265V the utility is isolated and the inverter supplies power to the load from the internal batteries The Inverter can serve inductive loads flourescent lamps ce
3. Circuit Input Output Wiring for Power Inverter Figure 8 Typical Home Wiring After Inverter Installation Connect one end of the electrical cable from the double pole switch lighting circuit in accordance with local electric codes and standards Connect the other end of the electrical cable to the provided IEC connector and then to the rear panel Input connector on the Inverter Assembly Figures 8 and 9 Connect one end of the electrical cable from the load in accordance with local electric codes and standards Connect the other end of the electrical cable to the provided IEC connector and then to the rear panel Output connector on the Inverter Assembly Figures 8 and 9 Connect the wiring harness protrudes out of the top of the Main Housing Chassis top cover from the batteries to the rear panel input connector of the Inverter Figure 9 marked 24V Battery Once the home wiring is complete and the batteries are connected to the Inverter Assembly turn on power at the Electricity Board Meter then at the Double Pole Switch Lighting Circuit The Inverter will automatically turn on These connectors are provided with the Inverter Assembly and must be installed on to the wiring Battery Wiring Output Harness Red and Black Wires from Main Housing Chassis Top From Electricity Board Meter through Double Pole Switch Lighting Circuit To Load Figure 9 Power Inverter Connec
4. fill caps Figure 2 Battery Handle 1 each side Battery Fill Cap 6 Battery Terminal 2 Figure 2 Battery Elements tubular battery shown Clean battery If the inspection shows signs of a leaking battery put on rubber gloves and remove the battery fluid residue from the battery housing using a mixture of baking soda and distilled water If cracks or other damage is noted after cleaning the battery contact the factory for return or disposal instructions Warning Each battery weighs 28 kg Two person lift required Failure to comply may result in personal injury Remove Battery from Shipping Container Remove the battery from the shipping container by grasping the handles see Figure 1 located at each end of the battery Lift the battery straight up and out of the shipping container Check Battery Fluid Level After cleaning and inspection for damage check the battery fluid level of each cell Figure 3 If the fluid level of any cell is not within the specified range on the fill cap put on rubber gloves from Fill Kit remove the battery cell cap and fill the cell with distilled water using the funnel provided in the Fill Kit Install the cell cap on each cell Fluid Level p Tube Optimum Fluid Level Fill Range Indicator Battery Fill Cap Float Device p Figure 3 Battery Fill Cap Elements Check Battery Charge Level After filling battery cells if n
5. first 30 seconds of a mode and is in overload new overload condition see NOTE below STANDBY ENABLE Off Off 0 off off off off off off Short beep every 5 The unit is shut down due to a seconds LOW BATTERY STANDBY Off Off O Off Off Off Off Off Off Off The unit is in STANDBY mode and is not powering the load FAULT Off Off O off On On On On On off Iverter load capacity has been exceeded see NOTE below FAULT Flashing Flashing Flashing Off Off Off Off Off Off Off The unit is in FAULT mode contact APC Technical Support FAULT Off Off On Off Off Off Off Off Off Continuously On The unit is in FAULT mode contact APC Technical Support Page 10 On Mains On Battery Fault INV 25 50 75 100 Overload Mode green yellow red ern green green green green red Buzzer Description FAULT On Flashing Flashing Off Off Off Off Off Off Chirps every 2 5 The unit is in FAULT mode seconds sound is contact APC Technical mutable through the Support front panel TEST MUTE push button BATTERY On Off Flashing Off Off 0 off 0 off Chirp every 2 seconds The unit is ON LINE mode DISCONNECTED battery is disconnected OVER TEMP ON Off Off 4 flashes Off Off O Off O Off Continuously On The unit is in FAULT mode BATTERY every 2 due to over temperature sec
6. on the Main Housing Chassis top cover Page 6 Inverter Assembly feet not shown Indents 4 places Wire Harness not Shown Figure 6 Inverter Assembly Placement Remove power at the electricity board meter circuit breaker panel of the home Figure 7 shows a diagram of a typical home wiring scenario Figure 8 shows a typical home wiring scenario after installation of the Inverter Assembly wiring Note The Power Inverter can serve inductive loads flourescent lamps ceiling and table fans resistive loads incandescent lamps and SMPS loads television The typical backup time with the primary battery pack at full load is approximately two 2 hours Caution Connecting the Power Inverter to a branch circuit that exceeds 16 amps may result in equipment damage Note Home wiring to power the desired loads should be routed and connected to a single branch circuit providing a maximum of 16 amps to the circuit Wiring must be in accordance with local electric codes and standards Connected loads must not exceed 500 watts when the Inverter is On Battery Double Pole Switch L L Electricity Board N N Meter E E Existing Wiring Load Figure 7 Typical Home Wiring Before Inverter Installation Page 7 E E Electricity N N Board Load Meter L L Double Pole Switch Lighting
7. 2 of the Inverter as follows Remove the Wiring Management Kit from the Inverter Disconnect all wires connected at the Inverter rear panel Connect the wire from the Input socket to the wire from the Output socket Page 12 Disconnect from Inverter Gs i Connect Both Wires i Completed Bypass Connection Figure 12 Power Inverter Bypass Connection Preventative Maintenance Preventative maintenance consists of inspecting the batteries for cracks and or leakage and checking battery fluid levels and filling the batteries every 120 days using the criteria and methods as defined earlier in this manual Dust the unit with a dry cloth Do not use liquids when cleaning Page 13 Specifications Table 3 APC Power Inverter Technical Specifications Specification Overload Indicated ON BATTERY Shutdown due to OVERLOAD Frequency ON BATTERY Item Input Nominal Voltage 230 V Characteristics Rated Voltage 230 V Frequency 47 53 Hz Nominal Rated Current 3 47 A Input Circuit Breaker Rating 10A Input Voltage Window for Utility Operation 100 265 VAC Output Voltage on Mains 100 265 VAC Characteristics Voltage on battery 210 240 VAC Rated VA 800 VA Rated Watts 500 W Nominal Rated Current 3 47 A gt 100 gt 100 after 60 seconds see Table 1 and following note 50 Hz 1 Surge Protection Built in Surge Protection Protects the load from surges and spikes En
8. TEST mode when ON MAINS LED is lit on pressing this push button the unit will do self test to determine the state of the system During On Battery self test it will also show the load status which can be used to find out the load capacity In the MUTE position push in for 5 seconds this push button switch silences the low battery buzzer Circuit Breaker Switch Rear Panel When in ON MAINS mode if the system draws more than 10A circuit breaker will trip To reset the circuit breaker switch push the switch fully inward Inverter Indicators The Inverter provides light emitting diode LED indicators Figure 11 to show the operational condition of the Inverter and batteries Indicators consist of Inverter Load Status 25 50 75 100 and OVER LOAD Other indicators consist of INVERTER DISABLE ON MAINS ON BATTERY and FAULT Using Table 1 determine the condition of the Inverter and batteries Page 9 TEST OVER INVERTER ON ON 25 50 75 100 LOAD DISABLE MAINS BATTERY FAULT O 0 0 0 0 O O O INVERTER LOAD MUTE Figure 11 Power Inverter Front Panel Controls and Indicators Table 1 Power Inverter Indicators z INV On Mains On Battery Fault 25 50 75 100 Overload P Mode green yellow red pisalne green green green green red Buz
9. ad is more than overlaod Battery Warning Can be muted through limit front panel push TEST MUTE button NOTE In the case of a sustained overload the Inverter will be turned off automatically after one minute and will wait in the fault state for a minute After that it will restart again If the overload still persists the Inverter will be turned off again after one minute and will wait in fault state for one minute and restart again In the same way it will try for three restarts If the overload still persists it will stay in fault state permanently until the unit is restarted with push button If the time interval between two consecutive overloads is more than 5 mins then the latest overload is considered as a fresh overload and three restart cycle will begin again Page 11 Section 5 Troubleshooting Note If the Power Inverter causes interference with a television while ON BATTERY move the television at least 3 feet away from the Inverter Use the information provided in Tables 1 and 2 to diagnos Power Inverter problems If the problem cannot be resolved using the information provided in this manual contact APC Technical Support Table 2 Power Inverter Troubleshooting Problem Cause Corrective Action Inverter fails to operate when Disconnected battery Ensure batteries are connected as defined in this mains power is turned on or manual during a utility power
10. ch side of the Housing or Inverter Figure 1 and remove the item from the shipping container Inspect each for dents scratches broken or missing wheels housing only warpage of the top cover or other signs of damage If either unit is damaged please notify the factory and obtain a Return Material Authorization number and return the unit as if instructed If there are no obvious signs of damage proceed with Battery Inspection Page 3 Battery Inspection Section 3 Unpack Battery Inspect the battery shipping container for signs of obvious damage Carefully inspect the container for signs of damage due to a leaking battery If the shipping container shows signs of leakage the battery may be damaged Contact the factory for instructions to further inspect the battery inside the container or for return instructions Carefully open the shipping container and remove the packing materials do not discard Inspect Battery If there are no obvious signs of damage or leakage with the battery in the shipping container inspect the battery for leaks cracks broken wiring terminals broken handles and broken fill caps Figure 2 Clean Battery If the inspection shows signs of a leaking battery put on rubber gloves and remove the battery fluid from the battery housing using a mixture of baking soda and distilled water If cracks or other damage is noted after cleaning the battery contact the factory for return or disposal instructions Wa
11. ctions Note The batteries are charged and produce electric current Small sparks by be noted during the connection process This is a normal condition and does not pose a threat of injury Connect the red battery terminal lead protrudes from the lid to the positive terminal of the battery Figure 5 closest to the rear of the Main Housing Chassis second battery installed Connect the black battery terminal lead protrudes from the lid to the negative terminal of the first battery installed Connect the black battery cable attached to the left side of the Main Housing Chassis to the positive terminal of the first battery and to the negative terminal of the second battery Ensure battery connections are tight by grasping each connector at the terminal and try to move it If the terminal lead has movement on the terminal tighten the connection until no movement is evident Install battery terminal covers Install Rear Panel Align the Rear Panel with the mounting holes at the rear of the Main Housing Chassis Install the four machine screws which secure the Rear Panel to the chassis Install Inverter Caution Installation of the Power Inverter must be performed by a licensed and qualified electrician Failure to comply may result in equipment damage and may also void the Warranty Place the Inverter Assembly on top of the Main Housing Chassis with the Inverter facing forward and the Inverter feet in the indents provided
12. ecessary check the battery specific gravity using a hydrometer The battery specific gravity should be between 1230 and 1250 If battery specific gravity is below 1230 charge the battery using a battery charger until the battery specific gravity is within the acceptable range Warning Each battery weighs 28 kg Two person lift required Failure to comply may result in personal injury Repackage Battery Place the battery in the shipping container by grasping the handles located at each end of the battery Lift the battery straight upwards and place it in the shipping container Install packaging materials Seal the shipping container and ship the battery to the customer location Section 2 Unpacking Inspection at customer location Main Housing Chassis and Inverter Note The Inverter Assembly is shipped with two one male and one female IEC connectors for use in installing home wiring to from the Inverter Inspect the shipping containers for signs of obvious damage If damage to either shipping container is extensive notify the carrier and return the unit to the factory If there are no apparent signs of damage to the shipping container carefully open the container and remove the packing materials do not discard Warning The Main Housing weighs 18 kg Two person lift required Failure to comply may result in personal injury To remove the Main Housing Chassis or Inverter from the shipping container grasp the handles located on ea
13. failure Power is off at the Mains Turn on power at the Mains Inverter HOME AWAY switch in Set switch to the HOME position the AWAY position Dead batteries Inverter failed to charge batteries or batteries were allowed to completely discharge Replace batteries If replacing the batteries does not fix the problem contact APC Technical Support Inverter rear panel Push to Reset Reset the circuit breaker by pushing it fully inward circuit breaker has tripped until it stops release the circuit breaker Improper wiring installation or Ensure wiring is as described earlier in this manual loose connection and that all connections are secure Computer load reboots when Inverter transfer time too slow for For computer type loads a separate battery back up inverter switches to ON computer load UPS should be used as the 60 millisecond transfer BATTERY time is inadequate and will cause the computer to reboot Inverter faults Inverter drops the load Inverter may have an internal failure If this happens the unit can be disconnected from the mains by completion of a Manual Bypass see Manual Bypass Inverter is overloaded Turn off some loads connected to the Inverter until the OVER LOAD LED is no longer lit Manual Bypass In the event of an Inverter failure or dead battery condition the Inverter can be disconnected from the mains and power restored to the circuit by completing a Manual Bypass Figure 1
14. iling and table fans resistive loads incandescent lamps and switched mode power supply SMPS loads television The typical backup time with the primary battery pack at full load is approximately two 2 hours Backup time can be further extended by connecting the optional external battery pack in parallel to the existing battery pack Note APC offers tubular as well as flat plate batteries for use with the Power Inverter For the purposes of this manual only the tubular batteries are shown Checklist Depending on what the customer has ordered ensure the following items have been delivered e Inverter e Batteries 2 Tubular Batteries Shown e Main Housing e Wiring Kit Fill Kit rubber gloves and a funnel e Wire Management Kit e Parallel Wiring Kit if external battery pack was ordered not shown Wire Management Kit Optional Inverter Assembly p gt Handles 1 each side Batteries Main Housing Chassis Wire Harness Not Shown Figure 1 APC Power Inverter Page 1 Section 1 Unpacking Inspection at reseller location Main Housing Chassis and Inverter Warning The Main Housing Chassis weighs 18 kg Two person lift required Failure to e comply may result in personal injury Inspect the shipping containers for signs of obvious damage If damage to either shipping container is extensive notify the carrier and return the unit to the factor
15. installed with the long side of the battery going across the length of the front panel Caution Installation of the Power Inverter Batteries must be performed by a licensed and qualified electrician Failure to comply may result in equipment damage and may also void the Warranty At the rear of the Main Housing Chassis position the first battery to be installed through the rear opening so that the positive terminal is to the right Position the second battery so that the positive terminal is to the left Grasp the battery using the handles Figure 2 located at each end of the battery Carefully lift the battery and slide it into the Main Housing through the rear opening Slide the first battery as far forward as it will go into the Main Housing Chassis Repeat this step for the second battery until it is up against the second battery Page 5 Main Housing Chassis Main Housing Chassis top cover not shown top cover shown Battery Handle Red Negative Wire 7 Terminal Terminal Positive Terminal N First ear Battery Terminal Black i g Black Wire Battery j Battery Handle Handle Negative Terminal 0000 ene Q j Terminal Second Battery i i Main Housing Chassis rotated 180 degrees rotated 180 degrees Battery Installation Battery Connections Figure 5 Battery Installations and Connections Battery Conne
16. ond condition OVER TEMP ON On Off 4 flashes Off Off O Off O Off Off The unit is in ON LINE mode LINE every 2 but the charger is switched off second due to over temperature ON LINE On Off Off On Off O Off O Off Off The unit is in ON LINE but the inverter is disabled and the unit will not go ON BATTERY during a power failure ON LINE SELF TEST Flashing Off Off On Off Off Off Off Off Off The unit is in ON LINE Self Test mode but the inverter is disabled and the unit will not go ON BATTERY during a power failure ON BATTERY SELF Flashing On Off On On Off Off Off Off Off The unit is ON BATTERY TEST Self Test but the inverter is disabled and the unit will not go ON BATTERY during a power failure ON BATTERY Low Off On 0 off On off off O off Constant Beeping Load is less than 25 Battery Warning Can be muted through fron panel TEST MUTE push button ON BATTERY Low off On 0 off On On off O off Constant Beeping Load is between 25 and Battery Warning Can be muted through 50 front panel TEST MUTE push button ON BATTERY Low off On 0 off On On On O off Constant Beeping Load is between 50 and Battery Warning Can be muted through 75 front panel TEST MUTE push button ON BATTERY Low off On O off On On On On off Constant Beeping Load is between 75 and Battery Warning Can be muted through Overload limit front panel TEST MUTE push button ON BATTERY Low off On O off On On On On On Constant Beeping Lo
17. rea where the unit is to be placed is not in direct sunlight surfaces may become hot Further ensure the unit is placed in a dry area away from sources of liquids and that the vents on each side have at least 15 cm 6 inches of unobstructed clearance Figure 4 Lock Wheels Lock the wheels to restrict movement during battery installation Battery Installation Main Housing Chassis Rear Panel Removal Remove the four machine screws Figure 4 that secure the Rear Panel to the Main Housing Chassis Remove the Rear Panel and set it aside Page 4 Main Housing Chassis Rear View Wire Harness not Shown Remove the 4 corner screws only Air Vents Rear Panel Each Side Do Not Remove These Two Screws 15cm 15cm 6 inches lt Wheels 4 gt 6 inches A Fie Note Allow 15 cm 6 inches of unobstructed clearance on each side Figure 4 Main Housing Chassis Rear Panel Removal Note Access through the top of the Main Housing Chassis is provided for connecting and topping filling of the batteries only Warning Each battery weighs 28 kg and must be installed through the opening at the rear of the Main Housing Chassis and not through the opening in the top of the unit Failure to comply may result in personal injury and or equipment damage Install a Battery Raise the top lid of the Main Housing Chassis to provide visual access to the interior of the chassis Figure 5 Note The batteries are
18. rges prepaid and it must be accompanied by a brief description of the problem and proof of date and place of purchase This warranty applies only to the original purchaser Contact Information APC Corporate Office 132 Fairgrounds Road West Kingston RI 02892 USA Tel 401 789 0204 APC Corporate Office India 27 Lavelle Road Bangalore 560 001 www apc com Toll Free Helpline 1600 444 272 and 1600 444 877 email indiainfo apc com Technical Webchat www apc com in Page 15 Page 16 blank
19. rning Each battery weighs 28 kg Two person lift required Failure to comply may result in personal injury Remove Battery from Shipping Container Remove the battery from the shipping container by grasping the handles see Figure 2 located at each end of the battery Lift the battery straight upwards and out of the shipping container Check Battery Fluid Level After cleaning and inspection for damage check the battery fluid level of each cell Figure 3 If the fluid level of any cell is not within the specified range on the fill cap put on rubber gloves remove the fill cap and fill the cell with distilled water Install the fill cap on each cell If battery fluid is discharged from the battery during the filling process put on rubber gloves and remove the battery fluid from the battery housing using a mixture of baking soda and distilled water Check Battery Charge Level Ufter filling battery cells if necessary check the battery specific gravity using a hydrometer The battery specific gravity should be between 1230 and 1250 If battery specific gravity is below 1230 charge the battery using a battery charger until the battery specific gravity is within the acceptable range Installation Main Housing Placement Note Once the unit has been completely installed it is not desireable to move it Location selection unlock the wheels located at the bottom of the Main Housing Chassis and roll it to the desired location Ensure the a
20. tions Page 8 Install Wiring Management Kit Installation of the Wiring Management Kit consists of unpacking and inspecting the kit for signs of obvious damage and return or replace as necessary and placement of the unit on the Main Housing Chassis Secure the kit to the chassis by placing the alignment pins Figure 10 with the holes provided in the top of the Main Housing Chassis and pushing straight downward until all four retaining pins are fully seated Wiring Management 3 Kit he Alignment Pins Holes 4 places 4 places Figure 10 Wiring Management Kit Installation Section 4 Controls and Indicators Please review this section thoroughly before applying power to the Power Inverter Inverter Controls Controls provided on the Power Inverter consist of the holiday mode switch marked AWAY HOME and the Test Mute switch as well as a rear panel Push to Reset circuit breaker and are defined in the following AWAY HOME also known as the holiday mode switch In the HOME position this two position rocker switch Figure 11 sets the Inverter so that it will switch to battery output when there is a utility power outage In the AWAY position the Inverter goes into standby mode and will not switch to battery power in the event of a power outtage This is to conserve the batteries However in this position the Inverter will charge the batteries until a utility power failure occurs TEST MUTE In
21. vironmental Ambient Operating Temperature 0 45 degrees C 95 Relative humidity non condensing Typical Runtime Typical Load Set Up Runtime at 500 W Typical Recharge Time for a 90 Charge Following a 50 Discharge AC Input Voltage Range for Charging Humidity Altitude 3000 m Physical Input Line IEC socket Outlet Receptacles IEC socket Dimensions Unit h x w x d Main Housing Chassis 51 2 x 47 5 x 43 0 cm Inverter Assembly 13 0 x 50 6 x 29 3 cm Battery 27 94 x 17 78 x 41 27 cm Weight Main Housing Chassis 18 kg Inverter Assembly 13 5 kg Battery 28 kg Shipping Weight Main Housing Chassis 20 5 kg Inverter Assembly 14 5 kg Battery XX kg each Batteries Type Two 12 V 70 Amp Hour Approximately 120 minutes Set up A 5 fans 4 tube lights Set up B 4 fans 4 tube lights and 1 TV Approximately 120 minutes 8 10 Hours 100 265 V Page 14 Warranty APC warrants its products to be free from defects in materials and workmanship under normal use and service for 2 years for the Inverter and 2 years for the Batteries to the original purchaser Its obligation under this warranty is limited to repairing or replacing at its sole option any such defective products To obtain service under warranty you must obtain a Return Material Authorization RMA number from APC Technical Support or an APC Service Center The defective unit must be returned with an RMA number with transportation cha
22. y If there are no apparent signs of damage carefully open the container and remove the packing materials do not discard To remove the Main Housing Chassis or Inverter Assembly from the shipping container grasp the handles located on each side of the housing or inverter Figure 1 and remove the item from the container Inspect each for dents scratches broken or missing wheels housing only warpage of the top cover or other signs of damage If either unit is damaged please notify the factory and obtain a Return Material Authorization number and return the unit as if instructed If there are no obvious signs of damage repackage the unit for shipment to the customer using the materials already removed from the shipping container Ship or otherwise deliver the unit to the customer location Battery Inspection Page 2 Unpack Battery Inspect the battery shipping container for signs of obvious damage Carefully inspect the container for signs of a leaking battery If the shipping container shows signs of leakage the battery may be damaged Contact the factory for instructions to further inspect the battery inside the container or for return instructions Carefully open the shipping container and remove the packing materials do not discard Inspect Battery If there are no obvious signs of damage or leakage with the battery in the shipping container inspect the battery for leaks cracks broken wiring terminals broken handles and broken
23. zer Description ON LINE On Off O off off off Off 0 off off The unit is ON LINE ON LINE SELF TEST Flashing Off O Off Off Off Off 0 off off The unit is in ON LINE Self Test mode ON BATTERY SELF Flashing On O Off On Off Off 0 off off The unit is in ON BATTERY TEST Self Test mode and the load is less than 25 Flashing On O off On On Off 0 off off The unit is in ON BATTERY Self Test mode and the load is between 25 50 Flashing On O off On On On 0 off off The unit is in ON BATTERY Self Test mode and the load is between 50 75 Flashing On O off On On On On off off The unit is in ON BATTERY Self Test mode and the load is more than 75 but less than oveload limit Flashing On 0 off On On On On On Continuous beep for The unit is in ON BATTERY first 30 seconds fora Self Test mode and is in an fresh overload overload condition ON BATTERY Off On O Off On Off Off Off Off 4 beeps every 22 The unit is in ON BATTERY minutes mode and the load is less than 25 Off On 0 off On On off off off 4 beeps every 22 The unit is in ON BATTERY minutes mde and the load is between 25 and 50 off On 0 off On On On off off 4 beeps every 22 The unit is in ON BATTERY minutes mode and the load is between 50 and 75 Off On 0 off On On On On off 4 beeps every 22 The unit is in ON BATTERY minutes mode the load is between 75 and the overload limit off On 0 off On On On On On Continuous beep for The unit is in ON BATTERY
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