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Operator's Manual
WF-8900 Series
WF-8935 | WF-8945 | WF-8955 | WF-8965 | WF-8975
( The Power Center model number is located on the front panel label next to the breakers)
Distributed in the U.S.A. and Canada by
ARTERRA DISTRIBUTION
(877) 294-8997
Warranty: warranty@wfcoelectronics.com
Fax (574) 294-8698
www.wfcoelectronics.com
Power PROs Technical Support
(877) 294-8997

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Summary of Contents for ARTERRA WFCO WF-8900 Series

  • Page 1 WF-8935 | WF-8945 | WF-8955 | WF-8965 | WF-8975 ( The Power Center model number is located on the front panel label next to the breakers) 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...
  • 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 Blown Fuse Indicators ........................4 Automatic Cooling Fan ........................ 4 Over-Temperature Protection ...................... 4 Electronic Current Limiting ......................4 Short Circuit Protection .......................
  • Page 3: General Information

    GENERAL INFORMATION WF-8900 Series Power Center Safety Features Reverse Battery Protection The WF-8900 Series Power Centers will charge the 12-volt House battery if installed. A battery DOES NOT have to be installed for WF-8900 Series Power Center converter operation. When a battery is installed, two reverse polarity fuses protect the converter circuitry.
  • Page 4: Blown Fuse Indicators

    The fuse values and quantity vary depending on which WF-8900 Series Power Center you have. Refer to the table and drawing below. • WF-8935 – 40A (1) *NOTE: Only one of the two Reverse Polarity terminals is used. • WF-8945 – 30A (2) •...
  • Page 5: Short Circuit Protection

    Short-Circuit Protection Should a short circuit occur in the RV, the WF-8900 Series Power Center converter 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. However, short-circuit conditions are dangerous, and an RV will require inspection by a qualified service technician.
  • Page 6: Operational Features

    Manufacturer Model/Cat. No./Type Cutler Hammer Type BR and C, Type BRD, BD and A Thomas Betts Type TB or TBBD ITE/Siemens Type QP or QT Square D Type HOM or HOMT Murray Type MP-T or MH-T General Electric Type THQL When replacing any of the installed circuit breakers, the replacement should be of the same manufacturer, type designation, and equal interrupting rating, not to exceed 30 A.
  • Page 7: Troubleshooting Instructions

    The converter normally provides a constant target output voltage of 13.6 VDC (nominal) to power all 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 maximum output current level (the Amperage rating) without exceeding it.
  • Page 8: Reverse Polarity Fuses

    If the above checks have been made but the converter output still reads 0.0 VDC, the converter is not functioning properly. Contact the Arterra Distribution Power PROs at 1 (877) 294-8997. Before placing the call, please have available the WF-8900 Series Power Center model number from the front panel label and the 14-digit serial number from the bar code tag located on the MBA mounting plate.
  • Page 9: General Compliance Information

    Should it be determined that the converter section of the WF-8900 Series Power Center 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: Installation Instructions

    INSTALLATION INSTRUCTIONS Installing the WF-8900 Series Power Center Mounting the Enclosure The WF-8900 Series enclosure should be mounted in an accessible area such as a wall or in the side of a cabinet. The front of the enclosure should not be obstructed to allow free air flow for the cooling fan.
  • Page 11: Wiring The Dc Fuse Board

    Figure 5 Figure 6 Wiring the DC Fuse Board Make sure the house battery is disconnected before beginning the DC wiring. Determine what DC loads are to be connected to the fuse board and what position they will occupy. Circuits F10 and F11 can be used for slide-outs or other higher current loads and can have a maximum 30 Amp ATO or ATC fuse installed.
  • Page 12 All models have output screw terminal connections. Strip approximately 1/4” of insulation from the load’s wire and insert into the screw terminal. Tighten the terminal to the torque specified on the back of the enclosure. Connect the heavy wire (Red) coming from the battery to the POS+ lug located directly below the Reverse Polarity fuses.
  • Page 13 Figure 8...
  • Page 14: Specifications

    WFCO product. Specifications are subject to change without notice or obligation. • Any WFCO Electronics products sold through unauthorized Internet sources (Example: eBay) will be excluded from all warranty coverage offered by Arterra Distribution / WFCO. CONSUMER WARRANTY CLAIM PROCEDURE...
  • Page 15 Back Side of the WF-8900 Series Power Center Figure 9...
  • Page 16 W F C O E L E C T R O N I C S . C O M...

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