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Operator's Manual
WF-8950L2-MBA
WF-9900 Series
Replacement Lithium-Ion Converter-Charger Main Board Assembly
Distributed in the U.S.A. and Canada by
ARTERRA DISTRIBUTION
(877) 294-8997
Warranty: warranty@wfcoelectronics.com
Fax (574) 294-8698
Power PROs Technical Support
www.wfcoelectronics.com
(877) 294-8997
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Table of Contents
Troubleshooting
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Summary of Contents for WFCO WF-8950L2-MBA
- Page 1 Operator’s Manual WF-8950L2-MBA WF-9900 Series Replacement Lithium-Ion Converter-Charger Main Board Assembly Distributed in the U.S.A. and Canada by ARTERRA DISTRIBUTION (877) 294-8997 Warranty: warranty@wfcoelectronics.com Fax (574) 294-8698 Power PROs Technical Support www.wfcoelectronics.com (877) 294-8997...
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Page 2: Table Of Contents
TA B L E O F C O N T E N T S SAFETY INFORMATION ......................3 GENERAL INFORMATION Reverse Battery Protection ......................3 Automatic Cooling Fan ........................ 4 Over-Temperature Protection ...................... 4 Electronic Current Limiting ......................4 Short Circuit Protection ....................... 4 CIRCUIT PROTECTION DC Fuses ............................ -
Page 3: General Information
!IMPORTANT! All wiring must conform to local, national, and regional regulations. Use copper conductors only for all wire connections. Do not exceed the electrical ratings for the WF-8950L2-MBA or the equipment connected to it. !CAUTION! This product should be installed by an experienced technician. -
Page 4: Automatic Cooling Fan
Short-Circuit Protection Should a short circuit occur in the RV, the WF-8950L2-MBA will drop the voltage output to zero volts. If the short-circuit condition is removed and no other fault conditions are detected, the converter will resume normal operation. -
Page 5: Circuit Protection
CIRCUIT PROTECTION WF-8950L2-MBA Converter-Charger Fuses DC Fuses (12 Volts) The DC fuse board in the WF-8900PEC panel section includes all fuse receptacles for the DC circuits and the Reverse Battery Protection circuits. The Reverse Battery Protection circuit has space for 2 (two) 40 Amp fuses. The manufacturer of your RV has installed fuses for each DC circuit that is operational. -
Page 6: Bulk Mode
TROUBLESHOOTING INSTRUCTIONS Troubleshooting the WF-8950L2-MBA Converter-Charger Refer to the Troubleshooting Guide for the WF-8950L2-MBA (Figure 3) on the next page. Converter Output Voltage Before checking the WF-8950L2-MBA output voltage, disconnect the battery cables at the battery. -
Page 7: Troubleshooting Flow Chart
Contact the Arterra Distribution Power PROs at 1 (877) 294-8997. Figure 3 Should it be determined that the WF-8950L2-MBA needs to be replaced, removal of the Main Board Assembly is a simple process. INSTALLATION INSTRUCTIONS... - Page 8 Perform the following steps: 1. Remove the door assembly by loosening the two screws located in the upper left and right corners. The screws are captive and will not fall out. Pull forward and outward on the door assembly to clear the case. 2.
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Page 9: General Compliance Information
GENERAL COMPLIANCE INFORMATION Agency Listings The WF-8950L2-MBA is UL-Listed, and cUL-Listed (Canadian). FCC Compliance Class B NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. - Page 10 Figure 5...
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Page 11: Specifications
United States, Alaska, Hawaii and the Provinces of Canada. WFCO warrants, to the owner, that its products are free from defects in material and workmanship under normal use and service based on its intended use and function. - Page 12 W F C O E L E C T R O N I C S . C O M...
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