Hitachi UC 18YML2 Technical Data And Service Manual
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Hitachi UC 18YML2 Technical Data And Service Manual

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MODEL
UC 18YML2
CHARGER
UC 18YML2
LIST No.: H872
Jul. 2010
U

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Summary of Contents for Hitachi UC 18YML2

  • Page 1 MODEL UC 18YML2 CHARGER UC 18YML2 LIST No.: H872 Jul. 2010...

  • Page 2: Table Of Contents

    6. PRECAUTIONS ON SALES PROMOTION ------------------------------------------------------------- 7 6-1. Safety Instructions ------------------------------------------------------------------------------------------------- 7 6-2. Extra Precautions on Sales Promotion ----------------------------------------------------------------------- 8 7. QUESTIONS AND ANSWERS ON MODEL UC 18YML2 ------------------------------------------- 9 8. GENERAL PRECAUTIONS---------------------------------------------------------------------------------- 10 8-1. Model UC 18YML2 ---------------------------------------------------------------------------------------------10 8-2. Pilot Lamp Indications ------------------------------------------------------------------------------------------10 9.

  • Page 3: Product Name

    1. PRODUCT NAME Hitachi Charger, Model UC 18YML2 2. MARKETING OBJECTIVE The new Model UC 18YML2 is a general-purpose slide-in/out type of charger capable of recharging 14.4 V to 18 V lithium-ion batteries only. 3. APPLICATIONS Recharging of Hitachi batteries...

  • Page 4: Selling Points

    4. SELLING POINTS (1) Operable from an AC power supply or DC 12 V power supply equipped in a vehicle. (2) Rapidly charges Hitachi BSL 14 and BSL 18 Series Batteries. Charging time (AC power supply / DC 12 V power supply):...

  • Page 5: Selling Point Descriptions

    4-1-1. Operable from an AC power supply or DC 12 V power supply equipped in a vehicle The Model UC 18YML2 can run on either an AC power supply or a DC 12 V power supply equipped in a vehicle by means of an AC adapter or cigarette lighter cord, in order to charge Type BSL 1415/BSL 1415X/BSL 1430/BSL 1815X/BSL 1830 Li-ion Batteries.
  • Page 6 4-1-4. 3-way overcharge protection system A stop current detection system, a built-in battery temperature sensor (thermistor), and a timer ensure overcharge protection. Overcharge range Battery Battery temperature voltage (55°C thermistor) Battery temperature (Thermal protector) Charging output current Stop current: 1 A Battery temperature 240 minute timer...
  • Page 7 (Green) faulty. (Green) NOTE: When in standby for cooling a battery, the UC 18YML2 cools the overheated battery by cooling fan. (During DC charging, the cooling fan does not rotate.) • Rechargeable battery temperature range The table below shows the rechargeable battery temperature range. Overheated batteries should be cooled to the specified temperature before recharging.

  • Page 8: Specifications

    5. SPECIFICATIONS 5-1. Specifications Model UC 18YML2 Item AC single-phase, DC 12 V power supply Power source equipped in a vehicle 50 Hz or 60 Hz Power input 90 W 42 W Charging system Constant current and voltage control (1) Stop current detection...

  • Page 9: Precautions On Sales Promotion

    6. PRECAUTIONS ON SALES PROMOTION 6-1. Safety Instructions In the interest of promoting the safest and most efficient use of the Model UC 18YML2 Charger by all of our customers, it is very important when concluding a sale that the salesperson carefully ensure that the buyer seriously recognizes the importance of the Handling Instructions.

  • Page 10: Extra Precautions On Sales Promotion

    (8) Keep your attention focused on driving the car. If you use the battery charger while driving, fasten the battery charger in place so that it does not move inadvertently and distract your attention from driving. Do not place the battery charger or battery under the driver’s seat, irrespective of whether it is charging or not, as it may get under the brake pedal or the cable may get wrapped around the driver’s feet and cause an accident.

  • Page 11: Questions And Answers On Model Uc 18Yml2

    7. QUESTIONS AND ANSWERS ON THE MODEL UC 18YML2 Q1 What are typical charging methods? A1 The most recent electronic charging methods are outlined below. Voltage Stop current detection Current Charging time The Model UC 18YML2 automatically stops recharging upon the detection of stop current only when recharging a lithium-ion battery.

  • Page 12: General Precautions

    8. GENERAL PRECAUTIONS 8-1. Model UC 18YML2 (1) The outer frame consists of Case (A) and Case (B). A prism for pilot lamps is built into Case (A). The printed circuit board ass'y can be found inside the frame. (2) The printed circuit board ass'y consists of a high-frequency power transformer, microcomputer, and other electronic devices to permit rapid charging and protect against overcharging.

  • Page 13: Precautions On Disassembly And Reassembly

    9. PRECAUTIONS ON DISASSEMBLY AND REASSEMBLY [Bold] numbers in the descriptions below correspond to item numbers in the Parts List and exploded assembly diagram for the Model UC 18YML2. 9-1. Disassembly (1) Remove Case (A) [2] after removing the four Case Rubber [13] and the four Tapping Screw (W/Flange) D3 x 18 [12].
  • Page 14 Cord [18] Case (B) [11] Printed Circuit Board Ass'y [19] Tapping Screw (W/Flange) D3 x 25 [20] Fuse (250 V - 3.15 A) [5] Fan [21] Insulator (A) [7] Machine Screw Insulator (B) [22] (W/Washers) M3 x 12 [9] Nut M3 [6] Fin (A) [8] Fin (B) [10] Machine Screw...

  • Page 15: Confirmation After Reassembly

    9-3. Confirmation after Reassembly (1) Confirm the following after reassembly. The red pilot lamp on the charger lights up when charging is started. When charging the BSL 1430/BSL 1830 Batteries, confirm that the red pilot lamp flashes at • one-second intervals about 45 minutes after the start of charging. (2) Measure the insulation resistance and conduct a dielectric strength test.

  • Page 16: Troubleshooting Guide

    10. TROUBLESHOOTING GUIDE 10-1. Troubleshooting Based on Pilot Lamp Indications Phenomenon Typical cause Check procedure Pilot lamp fails to light or flash. (1) Faulty AC cord or cigarette lighter cord Refer to trouble mode (A). (2) Blown fuse (3.15 A) on primary side Red pilot lamp does not stay lit (1) Poor connection of (T) or (LS) Refer to trouble mode (B).
  • Page 17 (2) Trouble mode (B) Red pilot lamp does not stay lit (continues to flash) after battery has been connected. Are the connection terminals of the Remove dirt or charger or battery dirty, deformed, correct abnormality. or otherwise abnormal? Check with tester. Is the resistance between Replace the battery.
  • Page 18 (3) Trouble mode (C) Pilot lamp remains green (red fails to light) after battery has been connected. Is ambient temperature Conduct charging within within designated range designated temperature range. (between 0 C and 40 º º 0ºC to 40ºC Allow battery to cool prior to Is the battery very hot? charging.
  • Page 19 (4) Trouble mode (D) Pilot lamp flickers red, indicating abnormality. Is the battery properly Properly insert the battery. connected? Is there any conductive foreign matter in the hole Remove the foreign matter. where the battery is inserted? Is the battery short-circuited Replace the battery.

  • Page 20: Standard Repair Time (Unit) Schedules

    11. STANDARD REPAIR TIME (UNIT) SCHEDULES Variable MODEL 60 min. Fixed Work Flow UC 18YML2 General Assembly Case (A) Insulator (A) Case (B) Fin (A) Fuse Insulator (B) Prism Fin (B) Terminal Holder Cord Printed Circuit Board Ass'y -18-...
  • Page 21 LIST NO. H872 CHARGER • • 2010 7 29 Model UC 18YML2 (E1)
  • Page 22 PARTS UC 18YML2 ITEM CODE NO. DESCRIPTION REMARKS USED 332-978 CAUTION PLATE 329-040 CASE (A) 328-531 FILTER 327-174 TP TAPPING SCREW D3 X 8 324-736 FUSE (250V-3.15A) 949-553 NUT M3 (10 PCS.) 329-045 INSULATOR (A) 329-043 FIN (A) 993-963 MACHINE SCREW (W/WASHERS) M3 X 12...

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