WFCO WF-8745-AD-MBA Operator'S Manual Download | Manualshive

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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  ................................................................................................5
Two Stage Smart Charging  ...................................................................................................7

TROUBLESHOOTING INSTRUCTIONS

Converter Output Voltage  ....................................................................................................8
Reverse Polarity Fuses  ...........................................................................................................8
Troubleshooting Flow Chart  .................................................................................................9
Replacing the MBA  ................................................................................................................9

GENERAL COMPLIANCE INFORMATION

Agency Listings ....................................................................................................................11

INSTALLATION INSTRUCTIONS

Mounting the MBA ..............................................................................................................11

WARRANTY INFORMATION

..........................................................................................12

SPECIFICATIONS

.................................................................................................................13

TABLE OF CONTENTS

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Summary of Contents for WF-8745-AD-MBA

Page 1: ...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 877 294 8997 wfcoelectronics com WARRANTY warranty wfcoelectronics com Fax 574 294 8698 Distributed by Arterra in the U S A and Canada ...

Page 2: ... Protection 4 OPERATIONAL FEATURES Auto Detect 5 Three Stage Smart Charging 5 Two Stage Smart Charging 7 TROUBLESHOOTING INSTRUCTIONS Converter Output Voltage 8 Reverse Polarity Fuses 8 Troubleshooting Flow Chart 9 Replacing the MBA 9 GENERAL COMPLIANCE INFORMATION Agency Listings 11 INSTALLATION INSTRUCTIONS Mounting the MBA 11 WARRANTY INFORMATION 12 SPECIFICATIONS 13 TABLE OF CONTENTS ...

Page 3: ... total load increases and decreases fan speed as the load decreases Unlike traditional temperature controlled fans the load controlled fan provides better component cooling by avoiding temperature spikes which can lead to premature component failure OVER TEMPERATURE PROTECTION If the internal temperature of the converter exceeds a critical point it will shut down This protects the unit from excess...

Page 4: ...00 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 The fuses are located along the left center edge of the DC fuse board below the VCC lug Refer to Figure 1 below This feature prevents ...

Page 5: ...g 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 On the other hand Lithium batteries will prefer the use of only two stages when charging and therefore the power converter will charge using the WFCO Two Stage Smart Charging system THREE S...

Page 6: ... happens naturally as the battery charges or if 12 volt appliances are turned off Bulk Mode will be maintained until the current draw drops to approximately five Amps or until the timer reaches four hours whichever happens first Then the target output voltage is changed back to 13 6 volts for Absorption Mode Lights that are powered from the output may change brightness slightly at that time FLOAT ...

Page 7: ...ank 200 Ahr a simple cycling of power will reset the timers As the energy is restored into the battery the DC system voltage will climb and the current from the converter will decrease If the total amperage draw from the converter reaches a preset point within the one to four hour timer the converter is designed to drop out of bulk mode ABSORPTION MODE This mode is designed with one purpose in min...

Page 8: ...e fuse in the battery wire circuit One may have been installed by the RV manufacturer 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 If no breaks are found...

Page 9: ... center an alarm located in the power center enclosure will sound This alarm will continue to sound until the AC wires are connected correctly 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 Powe...

Page 10: ...in the lower section As an extra precaution MAKE SURE THE CONVERTER BREAKER IS IN THE OFF POSITION Remove the wire from the breaker NOTE this wire has a metal pin terminal on the end inserted into the breaker Remove and position out of the way any wire connected to the pigtail 6 Locate and remove the converter s Green Ground wire attached to the AC Ground bar on the left side of the compartment In...

Page 11: ...ipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference...

Page 12: ...he WFCO written instructions Any consequential damages arising from the loss of use of the product including but not limited to inconvenience loss of service loss of revenue loss or damage to personal property cost of all services performed in removing or replacing the WFCO product Specifications are subject to change without notice or obligation Any WFCO Electronics products sold through unauthor...

Page 13: ...ISTANCE 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 Figure6 ...

Page 14: ...ARTERRA DISTRIBUTION 877 294 8997 wfcoelectronics com WARRANTY warranty 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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