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OPERATOR'S MANUAL
WF-8900-AD-MBA SERIES
WF-8935-AD-MBA | WF-8745-AD-MBA | WF-8955-AD-MBA | WF-8965-AD-MBA | WF-8975-AD-MBA
( The Power Center model number is located on the front panel label next to the breakers)
ARTERRA DISTRIBUTION
WARRANTY
(877) 294-8997
warranty@wfcoelectronics.com
wfcoelectronics.com
Fax (574) 294-8698
Distributed by Arterra in the U.S.A. and Canada
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Table of Contents
Troubleshooting
Related Manuals for WFCO WF-8900-AD-MBA Series
Summary of Contents for WFCO WF-8900-AD-MBA Series
- Page 1 OPERATOR’S MANUAL WF-8900-AD-MBA SERIES WF-8935-AD-MBA | WF-8745-AD-MBA | WF-8955-AD-MBA | WF-8965-AD-MBA | WF-8975-AD-MBA ( The Power Center model number is located on the front panel label next to the breakers) ARTERRA DISTRIBUTION WARRANTY (877) 294-8997 warranty@wfcoelectronics.com wfcoelectronics.com Fax (574) 294-8698...
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Page 2: Table Of Contents
TABLE OF CONTENTS SAFETY INFORMATION ...................... 3 GENERAL INFORMATION Automatic Cooling Fan ....................... 3 Over-Temperature Protection ....................3 Electronic Current Limiting ....................4 Short Circuit Protection ......................4 CIRCUIT PROTECTION Reverse Battery Protection ....................4 OPERATIONAL FEATURES Auto Detect ..........................5 Three Stage Smart Charging .................... -
Page 3: General Information
GENERAL INFORMATION WF-8900-AD-MBA Series Main Board Assembly Safety Features AUTOMATIC COOLING FAN The cooling fan in the WF-8900-AD Series Power Center is incremental and is controlled by the current drawn out of the converter to the applied load. The on-board microprocessor increases fan speed as the total load increases and decreases fan speed as the load decreases. -
Page 4: Electronic Current Limiting
The WF-8900-AD-MBA Series Main Board Assembly will charge the 12-volt House battery if installed. A battery DOES NOT have to be installed for WF-8900-AD-MBA Series Main Board Assembly to operate. When a battery is installed, two reverse polarity fuses protect the MBA circuitry. -
Page 5: Operational Features
“detected” and is then automatically set for the type of battery being used. For standard Lead Acid and AGM batteries, WFCO power converters still use the Three-Stage Smart Charging to effectively maximize battery life by monitoring through the different phases of the charge cycle. - Page 6 ABSORPTION MODE The converter normally provides a constant target output voltage of 13.6 volts (nominal) to power ll the branch circuits. However, it is current limited, and if the output (load) current reaches its maximum, the output voltage will drop as necessary to hold the converter’s maxi-mum output current level (the amperage rating) without exceeding it.
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Page 7: Two Stage Smart Charging
LITHIUM TWO-STAGE SMART CHARGING The two-stage “smart” charger continuously measures the battery voltage output and regulates the amount of charge using two modes of operation: Bulk and Absorption mode. 2-STAGE CONVERTER VOLTAGE OUTPUT MODES Understanding output voltages of a two-stage converter. Figure 3 BULK MODE This mode is designed with two purposes in mind. -
Page 8: Troubleshooting Instructions
Also check for loose wiring connections. DC REVERSE POLARITY (FUSES) If there is no DC output coming from the WF-8900-AD-MBA Series Main Board Assembly con- verter section, first check the reverse polarity fuses on the fuse board. Then, visually inspect the fuses for any breaks in the fuse element. -
Page 9: Troubleshooting Flow Chart
This alarm will continue to sound until the AC wires are connected correctly. Figure 4 Should it be determined that the WF-8900-AD-MBA Series Main Board Assembly needs to be replaced, removal of the Main Board Assembly Is a simple process. REPLACING THE CONVERTER SECTION (MBA) Make sure no AC power is coming into the RV from either the Shore Power cord or an on-board generator. - Page 10 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 11: General Compliance Information
GENERAL COMPLIANCE INFORMATION WF-8900-AD-MBA Series Main Board Assembly Safety Features The WF-8900-AD-MBA Series Main Board Assemblies are 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. -
Page 12: Warranty Information
Upon validation of the warranty, WFCO shall replace the product with a like product. The RGA number shall be placed on the outside of the carton used to return the product for ease of identification. Do not mark directly on the product. - Page 13 WARRANTY ASSISTANCE The consumer may contact the selling Dealer or OEM for warranty assistance. The consumer may also contact Arterra Distribution, exclusive distributor to WFCO Products at: (574) 294-8997 or Fax (574) 294-8698. Figure 6...
- Page 14 ARTERRA DISTRIBUTION WARRANTY (877) 294-8997 warranty@wfcoelectronics.com wfcoelectronics.com Fax (574) 294-8698 Distributed by Arterra in the U.S.A. and Canada Power PROs Technical Support (877) 294-8997...
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