User`s Manual
Contents
1. A XENOTRONIX BRAND Model MHTX7 Series Automatic Battery Charger User s Manual Rev 1 0 October 17 2006 For Sales Support and Service phone 407 331 4793 fax 407 331 4708 website www xenotronix com email information xenotronix com Xenotronix TLl Inc 2541 Tracy Road Toledo Ohio 43619 Phone 419 666 6982 Fax 419 666 6534 Warranty Seller warrants that its products Product s will meet the specifications set forth in its catalog from time to time unless the Buyer is notified otherwise prior to delivery Seller will without charge repair or provide a replacement for any of the Products which prove to be defective in materials or workmanship within one 1 year from the date of shipment Warranty Period If within the Warranty Period Buyer discovers a defect in materials or workmanship which interferes with the operation of any Product Buyer must promptly notify Seller in writing of such defect Seller s sole obligation to Buyer under this Warranty is to repair and correct any defect in material or workmanship or provide a replacement Product to Buyer Seller s decision with respect to the applicability of this Warranty to any defect shall be final and conclusive Seller reserves the right to require Buyer at Buyer s sole cost and expense to return any defective Product including any alterations made thereto F O B Seller s factory in Ohio Seller does not warrant against abrasion corrosion or er2. If after 15 hours the charger has not yet switched to the ready mode try to determine if there was a power interruption or a loose connection which may have reset the charger timer for another 14 hours CHARGING INDICATOR IS ON WITHOUT A BATTERY ATTACHED This indicates that the output cable or connector may be shorted If the indicator remains off with the output cable removed then you should replace the cable Do not attempt to charge a battery with a shorted output cable RATTLE If you think you hear a rattle inside the charger it is probably only a loose terminal strip screw Once the output cable is attached and the screws are properly tightened the rattle should go away MAINTENANCE INSTRUCTIONS CLEANING Unplug the charger and disconnect the battery before attempting any cleaning If it becomes necessary to clean the enclosure wipe the enclosure exterior with a damp cloth If necessary use a mild detergent Do not use an abrasive cleanser or spray cleaners directly onto the charger Do not immerse unit in water BATTERY CHARGER SPECIFICATIONS General Conditions Operating temperature Storage temperature Dimensions Weight Power Requirements Output Ratings Model Charge Amps Trickle Amps Charge Timer Open Circuit Voltage Battery Safety Agency Approval Xenotronix TLl 25 C 77 F 0 to 40 C 32 to 104 F 40 to 80 C 40 to 176 F H 3 8 9 65 cm x W 2 8 7 1 cm x D 2 8 7 1 cm Les
3. batteries should be fully discharged before being put onto charge This has two benefits the batteries will not be overcharged although it is a fairly benign overcharge and they will be less likely to develop a memory effect The safe charging curve graph on the next page represents what size batteries based on voltage and capacity can be properly charged using this charger The charger is designed to charge batteries at the C 10 charge rate capacity 10 If your battery capacity is 2 8 Ah 2800 mAh then the charger should be rated for 280 mA 2800 10 Refer to your battery documentation to see if the charger is appropriate to charge your battery Example If your charger is rated for 400 mA then it will charge 4 Ah batteries between 4 8 to 13 2 volts 4 to 11 cells It will charge a 14 4 volt 12 cells battery as long as the charger receives a full 115 volts ac input If the input voltage is below 115 volts at that charge voltage the maximum current will begin to drop and the battery may not be fully charged Attempting to charge 4 Ah batteries between 1 2 to 3 6 volts 1 to 3 cells may Xenotronix TLl 3 MHTX7 User s Manual cause the charger to overheat and possibly be damaged the batteries should not be damaged Batteries smaller than 4 Ah will be overcharged and batteries larger than 4 Ah will be undercharged Aena UNDER CHARGE 105V 13 2 11 FULL CHARGE 115
4. service to qualified service personnel Allow space around unit and adequate air circulation to reduce internal heat buildup Do not block vents or operate in a small enclosed space Xenotronix TLl 1 MHTX7 User s Manual INTRODUCTION This unit is a two stage constant current battery charger for charging nickel metal hydride type rechargeable batteries The charge termination is by a 14 hours timer at which time it will switch from the charge current to a low rate current A 6 feet long output cable with a barrel plug is provided There are two indicators on the front panel The orange light indicates that the charger is in the charging mode The green light indicates that the battery is fully charged ASSEMBLY INSTRUCTIONS strip Identify the polarity of the terminal strip ant the output connector both the charger housing and the output cable are marked with amp symbols Insert the two spade terminals under the terminal strip screws and tighten To prevent accidental shorting cover the exposed terminals with the molded press on terminal cover Loosen the screws on the charger output terminal AE If using loose wires insert stripped ends under washers A cable having a shield may be grounded to the bottom hole using a number 6 32 x 1 4 machine screw OPERATING INSTRUCTIONS Before using this battery charger make sure it is compati
5. V 12 0 10 J u 10 8 9 Q 9 6 8 O SAFE TO CHARGE E ENVELOPE 7 216 gt gt E 6 0 5 P 48 4 lt 3613 CAUTION CHARGER WILL 2 4 2 OVERHEAT IF OPERATED UNDER THE SAFE TO CHARGE ENVELOPE 1 2 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 BATTERY CAPACITY mAh Xenotronix TLI can make custom units or modify our existing units to exactly match your charging needs Call our sales department for technical information and pricing Following are some of the modifications we can perform o Custom match the charge current to your battery capacity o Adjust the charge times for a faster or slower recharge o Provide custom cables and connectors o Private labeling TROUBLESHOOTING NO INDICATORS LIGHT If the indicators are both dark when power is applied and the charger is properly attached to a battery check to see if the receptacle is controlled by a light switch or power strip It is normal for both indicators to be off with power applied and no battery attached CHARGER ENTERS READY MODE TOO SOON If the ready indicator lights when you first attach the battery or in less than 13 hours then the battery is probably higher than 14 4 volts 12 cells The charger switches to ready mode if the voltage becomes too high It may reach this voltage during charge with batteries over 15 6 volts 13 cells Xenotronix TLl 4 MHTX7 User s Manual CHARGER WILL NOT SWITCH TO READY MODE
6. ble with your battery Refer to the ratings on the battery charger the specifications in this manual and your battery documentation Charge only nickel metal hydride type rechargeable batteries attempting to charge Le other types of batteries may result in battery damage This unit is provided with a polarized barrel plug LJIHJHH H connector Make sure your battery connector is H wired to match the output connector CAUTION This unitis not reverse battery protected except by use of the polarized connector Make sure your battery connector is wired to match the charger connector or damage to the battery and charger may result when power is applied While in a reversed condition the charger will indicate that it is in the charging mode However it may actually be discharging the battery until either the battery or charger is damaged Xenotronix TLI 2 MHTX7 User s Manual CAUTION This unit is not short circuit protected it will deliver the full rated current into a short If the short is not removed the charger may overheat and be damaged While in a shorted condition the charger will indicate that it is in the charging mode If the charging light is on while not connected to a battery then there is probably a short in the output cable or connector Remove the output cable and see if the charge light goes out with the charger plugged back in If the light stays on without an o
7. esponsibility for any inaccuracies therein Information in this manual is subject to change without notice No part of this manual may be reproduced or transmitted in any form electronic or mechanical for any purpose without the express written permission of Xenotronix TLI Inc Copyright 2006 Xenotronix TLI Inc All rights reserved TABLE OF CONTENTS Model MHTX7 Automatic Battery Charger User s Manual Important Safety Instructions sss s eee eee 1 Introd tion sos at sad a a b O GONE OER AW a EARS OS 2 Assembly Instructions uti cade eee ke gee Ha ds ee ee 2 Operating Instructions i sssssssaskskaakakaakakakkaua 2 3 Charging Notes and TIPS ados 3 4 PROUDIGSHOOHNO Gn Af nba Mandy wea od evn de awa ecw Kals eae een wa 4 5 Maintenance Instructions 4 5 ia0 a Sa ese Sh INS OAs 4 5 Battery Charger pecas A AAA 5 DIMENSION Sii E a kr dela 6 MHTX7 User s Manual IMPORTANT SAFETY INSTRUCTIONS SAVE THESE INSTRUCTIONS This manual contains important safety and operating instructions for Model MHTX7 Battery Chargers Before using the battery charger please read all instructions and cautionary markings on the battery charger the battery and the product using the battery CAUTION To reduce the risk of electric shock o Do not expose unit to rain or moisture o Do not remove cover There are no user serviceable parts inside Refer service to qualified service personnel o Connect the ba
8. osion Seller shall not be liable to Buyer or to any other person for work done or repairs made to remedy any defect by any person who is not an authorized representative of Seller unless Seller s written consent is first obtained by Buyer This Warranty does not apply to and is rendered null and void by any Product which after leaving Seller s manufacturing plant a is repaired or altered without Seller s prior written approval b is the subject of improper storage installation or operation c is the subject of intentional or negligent misuse misapplication neglect or accident or d is not used repaired or altered in accordance with Seller s written instructions Seller expressly reserves the right to declare this Warranty null and void upon Buyer s failure to make full and timely payments with respect to any Products purchased by Buyer from Seller in which event all of Seller s obligations and Buyer s rights under this Warranty shall immediately terminate SELLER DISCLAIMS THE IMPLIED WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE AND ANY IMPLIED WARRANTIES ARISING FROM COURSE OF PERFORMANCE COURSE OF DEALING OR USAGE OF TRADE SELLER SHALL NOT BE LIABLE TO BUYER OR ANY OTHER PARTY UNDER THIS WARRANTY FOR DIRECT SPECIAL CONSEQUENTIAL INDIRECT OR INCIDENTAL DAMAGES OF ANY KIND Notice to the User The information contained in this manual is believed to be correct However Xenotronix TLI Inc assumes no r
9. s than 1 5 Ibs 0 68 kg with standard output cable 120 VAC 60 Hz 0 2 A MHTX7 all variants C 10 or 0 1C where C Battery Capacity 50 to 500 mA refer to marking label on unit C 40 or 0 025C where C Battery Capacity Approximately 1 4 of rated output current 14 hours 1 hr Greater than 20 VDC Rechargeable nickel metal hydride 1 2 to 14 4 Volts 1 to 12 cells 500 mAh to 5 Ah she NRTL C CSA NRTL C USA and Canada DIMENSIONS J Xenotronix TLI MHTX7 User s Manual gt A a J a O READY O ji TT a O CHARGING TT H CAUTION use IND0ORS ONLY EI L Oo ADVERT ISSEMENT DES PILES TT O80 NARES O 72 nd Cor ra ro Fel M gt E l Model MUTX 7 Class 2 TT E Toll nickel Metal Hydride H l Battery Charger m II TI pl OTRON j PEE Y
10. ttery charger directly to a grounding receptacle An adaptor should not be used with this unit This unit is equipped with a power plug having an equipment grounding conductor 3 prong The unit must be plugged into an outlet that has been properly installed and grounded in accordance with all local and national codes and ordinances o Disconnect charger from AC power and battery before attempting any maintenance or cleaning Turning off controls may not reduce this risk WARNING o Charge only nickel metal hydride type rechargeable batteries Attempting to charge other types of batteries may result in personal injury and battery damage o The enclosure metal face may become hot during the charge cycle DO NOT TOUCH DANGER Never alter power plug blades or ground pin If it will not fit the outlet have a proper outlet installed by an electrician Improper connection will result in the risk of an electric shock or fire Make sure cords are located so that they will not be stepped on tripped over or otherwise subjected to damage or stress Do not operate this unit with a damaged cord or plug replace them immediately To reduce the risk of damage to electric plug pull by unit body rather than output cord when disconnecting unit Do not operate charger if it has received a sharp blow been dropped or otherwise damaged in any way Do not disassemble charger incorrect reassembly will result in the risk of an electric shock or fire Refer
11. utput cable connected then there is a problem with the charger Plug the battery charger into a properly grounded 3 prong wall outlet which supplies the correct input power as marked on the unit The indicators should be dark until a battery is attached Attach the output connector to the battery connector The charger should now be on and charging the battery The orange charging indicator should light If the green ready indicator lights instead then the battery voltage may be too high too many cells The battery must be a 1 2 to 14 4 volts 1 to 12 cells battery The orange charging light indicates that the charger is on and charging the battery The charger will deliver a constant current to the battery for 14 hours After this time the unit will switch into the ready mode the charging indicator will darken and the green ready indicator will light At this point the battery is fully charged When the charger is in the ready mode a low rate constant current 1 4 that of the rated output current is delivered to the battery to keep it fully charged Most nickel metal hydride batteries may be left connected to the charger in the ready mode for some time without a danger of damaging them However many manufacturers do not recommend trickle charging their nickel metal hydride batteries We recommend you refer to the battery manufacturer s documentation for the suitability of trickle charging your battery CHARGING NOTES AND TIPS The
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