Operator Manual For use with WFCO ULTRA III Power Center WF-9900 Series (model number located on the door assembly label) TM Distributed in the U.S.A. and Canada by ARTERRA Distribution Sales (574) 294-8997 Warranty Service (877) 294-8997 Fax (574) 294-8698 www.wfcoelectronics.
TM Installation and Servicing of the WFCO WF-9900 Series Power Center General Consumer Information CAUTION ! This product should be installed by an experienced technician. CAUTION and care must be taken when servicing this equipment. To prevent severe shock or electrocution consult your servicing dealer. No serviceable parts. ! WARNING ! This unit employs components that tend to produce arcs or sparks.
TM TM All WFCO power converters are automatic three-stage switching power supplies. The converter senses which mode it needs to be in by checking the RV system voltage. If there is no DC output, first check the reverse polarity fuses on the front panel of the WF-9900 Series power center. Then, visually inspect the fuses for any breaks; if none are found, use a continuity tester to check for continuity.
TM TM Troubleshooting Step 2: Turn off main breaker. Reduce load in RV by turning off as many 12 DC items (lights, etc..) as possible. Go to the battery and disconnect it. Go back to the converter and replace the 4 reverse polarity fuses you removed in step 1. Turn the main breaker on. Using a DC voltmeter, measure voltage between Negative and VCC on the DC fuse board. See Fig.A Voltage should read between 13.4 to 13.6 volts DC. a.
TM TM EXCLUSIONS and LIMITATIONS The OEM Warranty specifically does not apply to the following: Any WFCO product that has been repaired or altered by any unauthorized person. Any damage caused by misuse, faulty installation, testing, negligence or accident or any WFCO product installed in a commercial vehicle. Any WFCO product whose serial number has been defaced, altered or removed. Any WFCO product whose installation has not been in accordance with the WFCO written instruction.
TM OEM Installation Manual For use with WFCO ULTRA III Power Center WF-9900 Series AC NEUTRAL TERMINAL BAR (NOT GROUNDED) AC GROUND TERMINAL BAR TO BATTERY- NEG- 50A 50A 50 AMP POWER CORD NEG- POS+ +VCC CHASSIS FROM MBA AC INPUT TO BATTERY+ INSTALLATION INSTRUCTIONS THE WIRING DIAGRAM (model number located on the door assembly label) TM FROM MBA DC OUTPUT MAIN BREAKER HOLD DOWN 4 Distributed in the U.S.A.
OEM Installation of the WFCO WF-9900 Series Power Center WARNING ! This unit employs components that tend to produce arcs or sparks. To prevent fire or explosion, do not install in compartments containing batteries or flammable materials (LP gas). ! CAUTION ! For continued protection against risk of fire, or electric shock replace only with same type and ratings of fuse.