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Power Anytime, Anywhere
Tesla
TI4676 MPU
User Manual
Built Smart...Proven Tough
Tesla Industries, Inc.
101 Centerpoint Blvd.
New Castle, DE 19720
(302) 324-8910 Phone
(302) 324-8912 Fax
www.teslaind.com
www.tesla1.com

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Summary of Contents for Tesla TI4676 MPU

  • Page 1 Power Anytime, Anywhere ™ Tesla TI4676 MPU User Manual Built Smart...Proven Tough Tesla Industries, Inc. 101 Centerpoint Blvd. New Castle, DE 19720 (302) 324-8910 Phone (302) 324-8912 Fax www.teslaind.com www.tesla1.com...
  • Page 2 Conditioners, manufactured by Tesla™ Industries, Inc., are able to safely and effectively charge any AGM, Lead Acid battery. The Tesla™ GPU’s and chargers are voltage and current regulated to 0.01% (dual loop). The charging voltage is calibrated, by Tesla™, to 28.6 volts and is pure dc (no power line ripple).
  • Page 3 Chemical Family/Classification: Tesla™ Industries, Inc. Sealed Lead Battery Synonyms: Telephone: Sealed Lead Acid Battery, VRLA Battery For information, contact Tesla™ Industries, Inc. Manufacturer's Name/Address: Customer Service Department at 302-324-8910 Tesla™ Industries, Inc 101 Centerpoint Blvd. 24-Hour Emergency Response Contact: New Castle, DE 19720-4180...
  • Page 4 Supersedes: AF ECO #: 1002195 Inorganic lead and sulfuric acid electrolyte are the primary components of every battery manufactured by Tesla™ Products. There are no mercury or cadmium containing products present in batteries manufactured by Tesla™ Products. IV. FIRST AID MEASURES Inhalation: Sulfuric Acid: Remove to fresh air immediately.
  • Page 5: Table Of Contents

    3.7 – Environmental 3.8 – Normal Function Test Procedures 12-13 3.9 – Regulated 28.5 VDC Ground Power 3.10 – Regulated AC Power 14-15 3.11 – AC Input Circuit Breaker 3.12 – Universal AC Input Line Cord 3.13 –Charging the Unit TI4676 MPU-24...
  • Page 6 7.6 – Temperature Conversion Chart 7.7 – Output Voltage 7.8 – Maximum Output Current Section 8 – Optional Accessories 8.1 – Shipping Case 8.2 – Tesla™ AC Line Cords 8.3 – Tesla™ AC Universal Line Cords Appendix A 30-34 Repair Request Form TI4676 MPU-24...
  • Page 7 Maximum MΩ megaohm Minimum Micro Power Unit NEMA National Electrical Manufacturers Association Ω power factor power factor correction root-mean-square Total Harmonic Distortion TMDE Test, Measurement, & Diagnostic Equipment Unmanned aerial vehicle Volts, Alternating Current Volts, Direct Current watts TI4676 MPU-24...
  • Page 8: Section 1 - Safety Review

    The following symbols will appear within the warning triangles to alert the user to the specifi c type of danger or hazard. General Warning Electrical Hazard Explosion Hazard Fire Hazard Battery Warning Guard from Moisture Figure 1.2.1 – Different types of hazard and caution symbols TI4676 MPU-24...
  • Page 9: Hazards

    150°F (65°C). This protects the unit from overheating and damage. If the unit shuts down, move the unit into a cooler environment such as shade or air conditioning when possible. Perform a full function test, after the unit has been allowed to cool, prior to use. TI4676 MPU-24...
  • Page 10: Section 2 - Product Overview

    This manual contains the complete operating instructions and procedures for the TI4676 Micro Power Unit (MPU). The TI4676 MPU-24 provides dc electrical ground power for onboard battery. The unit is designed to provide 24 volt DC electrical power output for aircraft engine starting and 24 or 28.5 volts dc electrical support for ground maintenance, avionics/electrical trouble shooting and testing.
  • Page 11: Front Panel Overview

    – Indicates the 24V battery charge state/power output status. – Displays current battery charge state “Press for Capacity” Button when pressed. AC Input Circuit Breaker – Trips if over-current fault condition occurs. AC Input Connector – Connects to Single Phase 100-260 Vac line voltage. TI4676 MPU-24...
  • Page 12: General Specifications

    -40°C to +55°C (-40°F to 131°F) with ac power Storage Temperature: • -65°C to +105°C (-85°F to 221°F) Cell Capacity: • +40°C 110% ± 05% • +25°C 100% ± 05% • +00°C ± 05% • -20°C ± 10% • -40°C ± 10% TI4676 MPU-24...
  • Page 13: Physical Dimensions

    Top View Side View 2.6 – Airflow Ports Damage may occur if the TI4676 MPU-24’s air intake or outlet ports are CAUTION obstructed. Ensure that ports are clear at all times. The internal cooling system efficiently regulates unit temperature regardless of load when plugged into ac power.
  • Page 14: Press For Capacity" Button And Led Status Indicator

    Capacity” function. (If this sensor is tripped, allow ten minutes for unit to cool before operating “Press for Capacity” button.) Figure 2.7.1 “Push to Test” button location Figure 2.7.2 Pushing to Test (outlined in blue) Full Charge Half Charge No Charge TI4676 MPU-24...
  • Page 15: Maintenance Check

    Under a full charge the Capacity Meter will show a single green LED. If the unit is not fully charged after 143 minutes, the power cells may need NOTE to be replaced. Return the unit to Tesla™ Industries for evaluation and maintenance. TI4676 MPU-24...
  • Page 16: Section 3 - Operating Procedures

    1200 - 1500 peak starting amps 40-50% charged 1500 - 1800 peak starting amps 50-60% charged 1800 - 2100 peak starting amps 60-70% charged TI4676 MPU-24 2100 - 2400 peak starting amps 70-80% charged 2400 - 3000 peak starting amps 80-100% charged...
  • Page 17: Temperature Specifications

    If the unit shuts down, move the unit into a cooler climate, such as shade or air conditioning when possible. Perform a full function test prior to use after the unit has been allowed to cool. TI4676 MPU-24...
  • Page 18: Environmental

    A. Prevent accumulation of moisture on ac and dc connectors/receptacles B. Minimize moisture entering forward inlet and outlet cooling fan vent ports When not in use, unit inlet and outlet vent ports shall be covered from exposure. Unit shall be kept horizontal. TI4676 MPU-24...
  • Page 19: Normal Function Test Procedures

    This section involves “normal function” test proce dures, and includes steps necessary to ensure that the TI4676 MPU-24 is operating within specified para meters prior to use. A digital multimeter (an example is shown in Figure 3.8.1) capable of measuring dc and ac voltage and resistance will be required to perform some of the tests.
  • Page 20 When the unit is not plugged into an ac power power source, the mulitmeter display should read 25.5 Vdc. Figure 3.8.3 – Testing DC Receptacle TI4676 MPU-24...
  • Page 21: Regulated 28.5 Vdc Ground Power

    Ensure 120 or 240 Vac power cord is properly connected to an approved ac power supply. After approximately 5-8 seconds, unit’s LED status indicator will illuminate indicating power cell state of charge. Cooling fan will operate. Ensure LED status indicator and cooling fan is operational prior to continuing. TI4676 MPU-24...
  • Page 22 UNPLUG AC POWER CORD BEFORE STARTING ENGINE WITH MPU Prior to engine start, ensure power cell charge is sufficient to provide an efficient engine start. Users should follow ground power engine starting procedures as specified in the aircraft’s operator manual. Figure 3.10.1 Aircraft with T4676 MPU TI4676 MPU-24...
  • Page 23: Ac Input Circuit Breaker

    3. Reset breaker by pressing red button. 4. Reconnect ac and dc connections to the unit. (Plug in ac line cord on military unit.) The unit should power up automatically. If the breaker continues to trip, return the unit to Tesla™ Industries for repair.
  • Page 24: Charging The Unit

    Once you have the fuse set to match the power characteristics of your line cord, you can plug the unit into an outlet to charge the batteries. Until the unit is fully charged, the LED status will read two or more bars. Figure 3.13.1 Connecting TI4676 MPU-24 to ac power aupply If you received this manual with a new MPU.
  • Page 25: Section 4 - Post Operation

    Section 4 – Post Operation 4.1 – General When not in use, the TI4676 MPU-24 should be stored indoors guarded from moisture and extreme temperatures. To extend cell life, the TI4676 MPU-24 should be plugged into AC power source. Although the unit has been made weather resistant within the scope of the unit’s intended use, it is essential that...
  • Page 26 The TI4676 MPU-24’s power cells may be damaged if recharged by NiCad or Lead Acid-type battery chargers. Power cells should only be charged by either the TI4676 MPU-24’s internal charger and the ac power cord furnished with the equipment, or when connected to aircraft’s external dc power receptacle.
  • Page 27: Section 5 - Unit Care And Maintenance

    Do not cut, crush, or drag the input or output power cables when handling the unit. Always inspect cables prior to use. If no damage is evident, proceed to the next step. If damage is evident, contact Tesla™ Customer Service. Do not attempt to use any other type of power cables other than the Tesla™ cables included with the unit.
  • Page 28: Unit Servicing

    Ensure proper packaging when returning the unit. Transport the unit only in a sturdy shipping crate or Tesla™ Shipping Case. It is important to enclose the Repair Request Form. Seal the crate on all sides and return it to Tesla™ at the address listed below. Please contact Tesla™ Customer Service at (302) 324-8910 with any questions or concerns.
  • Page 29: Section 6 - Troubleshooting Faq

    5. Will a Tesla™ Turbo Start™ spool up a turbine engine? Nothing will start a turbine engine faster or safer than the right Tesla™ Turbo Start™. Not only will it eliminate hot starts, but it will extend the life of your starter, your engine and your battery while reducing maintenance. The Turbo Start™ senses the impedance from the starter/generator.
  • Page 30 Unit should never be allowed to discharge fully. In-fi eld use, it receives a dc back charge directly from a running engine. When not in use, unit should be plugged into ac power (outlet) all the time. Tesla™ systems will retain 80% of their capacity after one year of storage.
  • Page 31: Basic Usage/Operation Questions

    Reset breaker by pressing red button. Reconnect ac and dc connections to the unit. (Plug in ac line cord on unit.) The unit should power up automatically. If the breaker continues to trip, return the unit to Tesla™ Industries for repair. TI4676 MPU-24...
  • Page 32: Section 7 - Performance Data

    These differences, however, are considered insignifi cant and are not individually accounted for. Ground Support and Aircraft Instrument Variations: The data shown in the performance charts do not account for instrument tolerance differences or inaccuracies. TI4676 MPU-24...
  • Page 33: Temperature Conversion Chart

    68.0 154.4 -30.0 -22.0 37.4 36.0 96.8 69.0 156.2 -29.0 -20.2 39.2 37.0 98.6 70.0 158.0 -28.0 -18.4 41.0 38.0 100.4 71.0 159.8 Figure 12.6.1 – Temperature conversion from Celsius to Fahrenheit. Figure 7.1.1 – Temperature Conversion Chart TI4676 MPU-24...
  • Page 34: Output Voltage

    Performance Data 7.7 – Output Voltage TI4676 MPU-24 Output Voltage Without AC Power 7.8 – Maximum Output Current TI4676 MPU-24 Maximum Output Current MAXIMUM OUTPUT CURRENT 1500 * * * * 1350 * * * * * * * 1200...
  • Page 35: Section 8 - Optional Accessories

    8.1 – Tesla™ AC Line Cords AC line cords come in several lengths or can be custom-ordered to fi t your needs. Tesla™ specializes in Section 8 – Optional Accessories outfi tting cables with a variety of connectors and junction boxes. Contact Tesla™ customer service to fi nd out more about our selection of cords.
  • Page 36: Tesla™ Ac Universal Line Cords

    8.3 – TESLA™ AC Universal Line Cords AC line cords come in several lengths or can be custom-ordered to fi t your needs. Tesla™ specializes in outfi tting cables with a variety of connectors and junction boxes. Contact Tesla™ customer service to fi nd out more about our selection of cords.
  • Page 37 APPENDIX A OPTIONAL LINE CORDS FOR WORLDWIDE OPERATIONS COUNTRY VOLTS TESLA™ PART # Afghanistan TI25000-004 Old British Line Cord Algeria TI25000-004 Old British Line Cord American Samoa TI25000-011 Australian Line Cord Angola TI25000-003 Continental European Line Cord Anguilla (U.K.) TI25000-005 United Kingdom Line Cord...
  • Page 38 APPENDIX A (Cont.) OPTIONAL LINE CORDS FOR WORLDWIDE OPERATIONS COUNTRY VOLTS TESLA™ PART # Ecuador TI25000-001 North American Line Cord Egypt TI25000-003 Continental European Line Cord El Salvador TI25000-001 North American Line Cord England TI25000-005 United Kingdom Line Cord Equatorial Guinea...
  • Page 39 APPENDIX A (Cont.) OPTIONAL LINE CORDS FOR WORLDWIDE OPERATIONS COUNTRY VOLTS TESLA™ PART # Laos TI25000-001 North American Line Cord Latvia TI25000-003 Continental European Line Cord Lebanon TI25000-003 Continental European Line Cord Lesotho TI25000-004 Old British Line Cord Liberia TI25000-005 United Kingdom Line Cord...
  • Page 40 APPENDIX A (Cont.) OPTIONAL LINE CORDS FOR WORLDWIDE OPERATIONS COUNTRY VOLTS TESLA™ PART # Romania TI25000-003 Continental European Line Cord Russia TI25000-003 Continental European Line Cord Rwanda TI25000-003 Continental European Line Cord Saudi Arabia 50/60 TI25000-003 Continental European Line Cord...
  • Page 41 APPENDIX A (Cont.) UNIVERSAL LINE CORD KIT FOR WORLDWIDE OPERATIONS NOTE: TESLA™ UNIVERSAL AC LINE CORD KIT, P/N: TI25000-U00, IS FOR UNITS ORIGINALLY BUILT WITH THE UNIVERSAL AC LINE CORD OPTION ONLY. THE AC ADAPTER OPTION IS TESLA™ P/N TI16000-19 AND MUST BE ORDERED WITH THE ORIGINAL PROCUREMENT OF UNIT(S).
  • Page 42: Repair Request Form

    Email: _______________________________________________________________________________________ Purchase Order #: ______________________________________________________________________________ Model #: ____________________________________ Serial #: ________________________________________ Model #: ____________________________________ Serial #: ________________________________________ Shipping method to Tesla™: ______________________________________________________________________ Description of shipping package: ________________________________________________________________ Description of problem: _________________________________________________________________________ _________________________________________________________________________________________________ _________________________________________________________________________________________________ _________________________________________________________________________________________________ Return to Tesla™ 101 Centerpoint Boulevard, New Castle, DE 19720 Attention: Repair Department...
  • Page 43 Tesla™ 101 Centerpoint Blvd. New Castle, DE 19720 USA Tel: 302-324-8910 Fax: 302-324-8912 9475 Double R Blvd., Suite 2 Reno, NV 89521 Tel: 775-622-8801 Fax: 775-622-8810 www.teslaind.com ♦ www.tesla1.com...

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