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La Marche Manufacturing Company |www.lamarchemfg.com
DC-DC Converter
Installation and Operation Manual
This manual is subject to change without notice. You may obtain the newest version of the manual at
www.lamarchemfg.com
106 Bradrock Dr. Des Plaines, IL 60018-1967
CPN 143459
Instruction Drawing Number: P25-LDCC-1
Tel: 847 299 1188
Fax: 847 299 3061
Revision A00
Rev. Date: 09/20
ECN:22665
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Table of Contents
Summary of Contents for Lamarche 143459
- Page 1 This manual is subject to change without notice. You may obtain the newest version of the manual at www.lamarchemfg.com 106 Bradrock Dr. Des Plaines, IL 60018-1967 CPN 143459 Instruction Drawing Number: P25-LDCC-1 Tel: 847 299 1188 Fax: 847 299 3061 Revision A00 Rev.
- Page 2 Important Safety Instructions Before using this equipment, read all manuals and other documents related to this converter and other equipment connected to this unit. Always have a copy of the DC-DC converter’s manual on file nearby, in a safe place; if a replacement copy of a manual is needed, it can be found at www.lamarchemfg.com.
- Page 3 Unit Location • Allow at least 6 inches of free air on all vented surfaces for proper cooling. • Do not operate this unit in a closed-in area or restrict ventilation in any way. • Do not set any battery on top of this unit. •...
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Page 4: Table Of Contents
Table of Contents Important Safety Instructions ........................i Table of Contents ............................iii Table of Figures ............................iii Model Scope/General Description ........................1 Understanding Model Number ........................1 Optional Accessories Included in the Inverter ....................1 Equipment Handling .......................... 2 Storing the DCC .......................... -
Page 6: Model Scope/General Description
Model Scope/General Description DC-DC Converter is specially designed for meeting the requirements of all kinds of communication and electric power products. DC-DC Converter adopts the high-frequency switching technology including high accuracy voltage stabilizing, low output noise, strong capacity of resisting disturbance, small volume, lightweight, etc. DC-DC Converter is the ideal configuration supplying power to the communication equipment of different voltage grades. -
Page 7: Equipment Handling
Equipment Handling Storing the DCC If the DCC is to be stored for more than a few days after delivery, it should be stored within its shipping container. The location chosen for storage should be within an ambient temperature of -40 to 185° F (-40 to 85° C) with a non-condensing relative humidity of 5 to 95%. -
Page 8: Output Wiring
Access the rear of the Converter and locate the DC Input connection terminal. Connect DC wiring to the Converter per Figure 4. Refer to Table 4 for the recommended wire size. With DC input wiring connected and operating within the DC range. Use the power switch to the front panel, the green LED at RUN, indicating a successful start-up, and the OFF alarm LED indicates no faults. -
Page 9: Rear Panel Details
Name Description LCD Window -Display the voltage and current Backlight -Switch ON/OFF for the LCD Display window light -ON LED in green color, indicates Converter ON condition. -OFF LED indicates the Converter OFF condition. -ON LED in Red Color, indicates converter fault or under protection. -
Page 10: Parallel Operation
3.4 Parallel Operation To get more current output it is possible to parallel DCC. Follow the parallel connection according to Figure 6. Figure 6 – Parallel Connection Troubleshoot Symptom Possible Cause Remedy Output failure with the following LED status: - Power off, then eliminate short- Load short-circuit or overload circuit or reduce load，Restart again RUN LED with Green color and... -
Page 11: Appendix A: Technical Specifications
Appendix A: Technical Specifications ELECTRICAL Load regulation ≤0.2% Peak—peak noise ≤150mV Discrete noise ≤20mV Efficiency ≧83% Dynamic response 20% ~ 100% step load≤200Restoring time≤100uS Working temperature －5～45℃ Cooling mode Forced Cool MTBF 100,000Hour Weight 17.6 lbs Dimension 19 x 9.5 x 3.5” RUN LED (Indicates Operation of a converter) Alarm and Indicators ALM LED (Indicates Fault in a converter) -
Page 12: Appendix B: Power Cabling Guide
Appendix B: Power Cabling Guide Use the following formulas and tables to determine proper wire size for minimal voltage drop. At distances exceeding 10 feet, the DC wire size should be chosen to keep the voltage difference between the inverter’s DC input terminals and the battery at less than 1/2 volt when the inverter is fully loaded. -
Page 13: Appendix C: Manufacturer's Warranty
Appendix C: Manufacturer’s Warranty All La Marche Manufacturing Co. equipment has been thoroughly tested and found to be in proper operating condition upon shipment from the factory and is warranted to be free from any defect in workmanship and material that may develop within one (1) years from the date of purchase under normal use. If the equipment proves defective within one year, it shall be replaced without charge after examination at our factory, providing such defect in our opinion, is due to faulty material or workmanship and not caused by tampering, abuse, misapplication, or improper installation. -
Page 14: Appendix D: Document Control And Revision History
Appendix D: Document Control and Revision History Part Number: 143459 Instruction Number: P25-LDCC-1 Issue ECN:...