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®

 

   Reverse Battery Protection
   

This feature prevents permanent damage to the converter from an incorrect 

   battery connection.

   

Automatic Cooling Fan

  

 The fan is variable speed and current controlled.

   

Electronic Current Limiting

   

Automatically shuts down power during overload or short-circuit conditions. 

   Automatically returns to normal operation after conditions are corrected.

   

DC Fuses

   Reverse battery protection fuses; replace only with 
   ATC “Littelfuse ” Type 257 fuse.

   

Lightweight

   - 

35 A unit weighs only 9.03 lbs.

   - 45 A unit weighs only 11.20 lbs.
   - 55 A unit weighs only 11.57 lbs.
   - 65 A unit weighs only 14.33 lbs.
   - 75 A unit weighs only 14.88 lbs.

®

 

  

TM

TM

CHASSIS
(EARTH)
GROUND

Distribution Panel/

Power Center

WF-8930/50NP

GROUND BAR

General Consumer Information

12 V 

BATTERY

OEM Installation of the WFCO WF-9800 Series Power Center

Select a mounting location near the shore power and battery (batteries).

- Do not mount in an area where the owner may store items, as this 
could reduce the clearance requirements, obstruct ventilation
openings and affect the efficient operation of the converter.
- Do not install close to appliances that are a source of heat or water 
(such as water heaters, furnaces, and under refrigerators). It is not 
designed for mounting in wet locations. It must be protected 
from direct contact with water.

FOR CONTINUED PROTECTION AGAINST RISK OF FIRE, 
REPLACE ONLY WITH THE SAME TYPE AND RATING FUSE.
The fuse rating which the manufacturer suggests for the output fuses
 will be marked on the unit. Replace only with same type and rating.

During the manufacturing process, be sure that all converter openings are 
protected from debris falling into the unit. T

his is a non-warranty item

.

NOTE: 

If the reverse battery protection fuses are blown during 

installation, be sure that the battery has been connected properly, then 
replace the fuses with ATC “Littelfuse ” Type 257 with the same rating as 
the original. 

WARNING

!

!

CAUTION

!

!

This equipment employs components that tend to produce arcs or sparks. 

To prevent fire or explosion, 

DO NOT INSTALL IN COMPARTMENT CONTAINING 

BATTERIES OR FLAMMABLE MATERIALS (LP gas)

.

 

Summary of Contents for ULTRA III WF-9800 Series

Page 1: ...For use with WFCO ULTRA III Deckmount Converter WF 9800 Series model number located on the cover of the unit Distributed in the U S A and Canada by CHENG USA INC Sales 574 294 8997 Warranty Service 877 294 8997 Fax 574 294 8698 TM ...

Page 2: ...he owner may store items as this could reduce the clearance requirements obstruct ventilation openings and affect the efficient operation of the converter Do not install close to appliances that are a source of heat or water such as water heaters furnaces and under refrigerators It is not designed for mounting in wet locations It must be protected from direct contact with water FOR CONTINUED PROTE...

Page 3: ...utput Load Curve Model WF 9835 9845 9855 9865 and 9875 13 6 Vdc 13 2 Vdc 0 0 Vdc 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 Over the amperage rating load will cause the output to fold back WF 9800 Facts Summary 9835 9845 9855 9865 9875 WF 9800 Series Specifications Model No AC Input Voltage V Current A DC Output Volts V Amps A Height in Width in Length in Weight lbs Fan Cooled Dimensions WF...

Page 4: ...Absorption Mode During this mode the converter output is in the 13 6 Vdc range This is the normal operation mode This mode provides the 12 Vdc and current required by the 12 Vdc RV appliances as well as slow charging the battery Bulk Mode When the converter senses that the RV system voltage is less than 13 2 Vdc equivalent to less than 50 of battery charge the converter will automatically go into ...

Page 5: ... the converter is not functioning properly Contact Cheng USA Inc Tech Support at 1 877 294 8997 WF 9800 Series Troubleshooting CHASSIS EARTH GROUND 0V 2 0 V Distribution Panel Power Center WF 8930 50NP GROUND BAR TM TM GENERAL COMPLIANCE INFORMATION 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...

Page 6: ...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 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 ...

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