WFCO WF-8930/50NP User manual
Operator’s Manual
Distributed in the U.S.A. and Canada by
ARTERRA DISTRIBUTION
(877) 294-8997
Warranty: [email protected]
Fax (574) 294-8698
www.wfcoelectronics.com Power PROs Technical Support
(877) 294-8997
WF-8930/50 Series Distribution Centers
WF-8930/50NP | WF-8930/50NP-30 |
( The Distribution Center model number is located on the front panel label near the AC
breakers)
SAFETY INFORMATION ........................................................................................................... 3
GENERAL INFORMATION
Reverse Battery Protection ........................................................................................................... 3
Blown Fuse Indicators ................................................................................................................... 3
CIRCUIT PROTECTION
DC Fuses ......................................................................................................................................... 4
AC Circuit Breaker ........................................................................................................................ 4
UL-Listed Main Circuit Breaker List .......................................................................................... 4
UL-Listed Branch Circuit Breaker List ....................................................................................... 5
TROUBLESHOOTING INSTRUCTIONS
Check Converter or Battery Input Voltage ................................................................................. 6
Blown Fuse Indicators ................................................................................................................... 6
GENERAL COMPLIANCE INFORMATION
Agency Listings ............................................................................................................................... 7
INSTALLATION INSTRUCTIONS
Mounting the Enclosure ................................................................................................................ 7
Wiring the AC Breakers ................................................................................................................ 8
Wiring the DC Fuse Board ........................................................................................................... 9
WARRANTY INFORMATION ....................................................................................................10
TABLE OF CONTENTS
2
3
GENERAL INFORMATION
WF-8930/50 Series Distribution Center Safety Features
Reverse Battery Protection
e WF-8930/50 Series Distribution Centers DO NOT have a converter installed within the
enclosure. Power is supplied to the WF-8930/50 Series Distribution Centers from an external
converter/charger, WF-9800 Series Converter/Charger for example, located elsewhere in the
RV. Reverse Battery Protection will be provided by that unit. Consult that converter/charger’s
manual for location and replacement instructions.
Blown Fuse Indicators on DC Fuse Board
e DC Fuse Board has individual blown fuse indicators as standard equipment. e
WF-8930/50 Series Distribution Centers have 15 DC circuits. Each of the circuits contain a Red
LED to indicate a blown fuse. If one of the circuits draws more current than the rating of the
fuse, the fuse will blow. When this occurs, the Red LED for that circuit will illuminate. NOTE:
e fuse board employs surface mount LEDs which are barely visible to the naked eye. Replace
the blown fuse with a known good fuse of the same rating. NOTE: If the replacement fuse blows
again, check that circuit for a short or overload condition.
4
Figure 1
CIRCUIT PROTECTION
WF-8930/50 Series Distribution Center Fuses and Breakers
DC Fuses (12 Volts)
e DC fuse board is located on the right side of the enclosure. e board has lugs on the
top side for the Converter and Battery connections. Spaces for the 15 Branch circuits are
located below these lugs. Should any of fuses blow, the fuses should be replaced with ATC
or ATO automotive type fuses such as:
• Littelfuse type 257
• Bussmann type ATC
AC Circuit Breakers (120/240 Volts)
e AC Breaker side of the WF-8930/50 Series Distribution Center is located on the
le side of the enclosure at the top. e WF-8930/50 Series Distribution Center accepts
standard residential breakers. e WF-8930/50NP has spaces for two 50 Amp (or one
30 Amp) Main breakers and up to 12 Branch breakers when using duplex breakers. e
WF-8930/50NP-30 has spaces for a 30 Amp Main and up to 6 Branch breakers when using
duplex breakers. A list of factory tested and approved breakers follows. e breakers may
be purchased at most big-box department stores and home centers.
UL-Listed Main Circuit Breakers, Rated for 120V, Maximum 30A
e following breakers have been factory tested and approved for use as 30 Amp Main
breakers in the WF-8930/50 Series Distribution Center:
Manufacturer Model/Cat. No./Type
Cutler Hammer Type BR and C
omas 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
5
UL-Listed Branch Circuit Breakers, Rated for 120V, Maximum 20A
e following breakers have been factory tested and approved for use as Branch breakers
in the WF-8930/50 Series Distribution Center:
Manufacturer Model/Cat. No./Type
Cutler Hammer Type BR and C, Type BRD, BD and A
omas 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. e
“Short-Circuit-Current” rating for the breaker should be 10,000 Amps.
Breaker Filler Plates: Model #FP-01 or FP-01B (Black)
Figure 2
6
TROUBLESHOOTING INSTRUCTIONS
Troubleshooting the WF-8700 Series Power Center
Because the WF-8930/50 Series Distribution Centers do not contain a converter/charger,
troubleshooting will be limited to checking DC power coming into the unit and proper fuse
board operation. See (gure 1) on page 4.
Check for Converter or Battery Input Voltage
Note: Depending on how the RV manufacturer connected the DC power to the
WF-8930/50 Series Distribution Center, it could have been routed in one of 2 ways.
1. Power could be coming directly into the WF-8930/50 Series Distribution Center fuse
board from the converter/charger. e battery (if supplied) would also connect to the fuse
board.
2. Power from the converter charger would be connected directly to the battery. A cable
from the battery would be connected to the fuse boards input lugs.
We’ll use the rst connection method in our discussion below.
Make sure the WF-8930/50 Series Distribution Center is receiving DC power from the
converter/charger or battery. First, check that the converter/charger is plugged into an AC
source (105-130 VAC) and is operating. Check the converter input voltage at the top lugs of
the fuse board with a voltmeter. Be sure you have good cable connections at the lugs. Place
the meter probes on the lugs as follows; place the Positive (red) meter probe on the
+ POS lug and place the Negative (black) meter probe on the NEG- lug. If the voltage from
the converter charger reads approximately 13.6 VDC (+/- 0.2) at the lugs, the fuse board is
getting DC power.
If no converter/charger/battery input voltage is read at these lugs, check for an open inline
fuse or disconnect switch in circuit coming to the fuse board. One may have been installed
by the RV manufacturer. Also check for any other loose wiring connections.
Blown Fuse Indicators on DC Fuse Board
e DC Fuse Board has individual blown fuse indicators as standard equipment. Each
circuit has a Red LED to indicate a blown fuse. NOTE: e fuse board employs surface
mount LEDs which are barely visible to the naked eye. If one of the Red LEDs is
illuminated, check for a blown fuse. If blown, replace the fuse with a known good fuse of
the same rating. NOTE: If the replacement fuse blows again, check that circuit for a short or
overload condition.
If, for some reason, one of the fuse board output circuits is connected to a load that has a
switch that is turned OFF or an appliance that is turned OFF, the indicator LED will not
illuminate even if the fuse is blown or removed from the fuse board. Turn the switch or
appliance ON and re-check the fuse circuit with the fuse removed. If the LED still remains
OFF, check for a broken wire to the switch or appliance.
If an indicator LED remains illuminated with the known good fuse in place, check for
possible damage to the fuse board at that location. If damage is found, the fuse board will
need to be replaced.
If the above checks have been made but the problem cannot be resolved, contact the Arterra
Distribution Power PROs at 1 (877) 294-8997. Before placing the call, please have available
the WF-8930/50 Series Distribution Center model number from the front panel label and
the 14-digit serial number from the bar code tag located inside the enclosure. Remove the
door assembly to gain access to the inside to locate this serial tag.
Should it be determined that the fuse board of the WF-8930/50 Series Distribution Center is
defective, and the unit is under still warranty, the fuse board ONLY will need to be returned.
DO NOT return the complete WF-8930/50 Series Distribution Center.
e DC wires protruding from the back of the WF-8930/50 Series Distribution Center have
been connected to the DC circuits in your RV by the RV manufacturer. When preparing the
fuse board for return, label and disconnect each wire as it is removed from the fuse board
lug. Follow the packaging instructions in your warranty claim packet.
GENERAL COMPLIANCE INFORMATION
Agency Listings
UL
e WF-8930/50 Series Distribution Centers are UL-Listed, and cUL-Listed (Canadian).
TROUBLESHOOTING INSTRUCTIONS
7
INSTALLATION INSTRUCTIONS
Installing the WF-8930/50 Series Distribution Center
Mounting the Enclosure
e WF-8930/50 Series Distribution Center enclosure should be mounted in an accessible area
such as a wall or in the side of a cabinet near the Shore power entrance and battery (batteries).
Select a mounting location that is appropriate to prevent excessive heat, water, moisture, dust
and dirt entering the unit once installed.
Cut an opening 1/8” wider than the enclosure to allow the distribution center to slide in easily.
e rough opening is 12 3/16” W x 8 3/16” H. e enclosure is 3” deep. Be sure to allow enough
space behind the unit for wiring. Aer wiring is completed, the enclosure fastens to the wall or
cabinet using 4 wood screws (not supplied).
Two sizes of knockouts have been provided: a 34mm knockout for the 50 Amp and a 27mm
knockout for the 30 Amp power cord. Eight 22mm holes are provided in the DC section for the
12 VDC loads. Wire clamps or strain reliefs must be used to tightly secure the wires wherever
the wires enter the enclosure. Also provided is a series of built-in 120 VAC Romex strain reliefs
and should only be used with 10-2 through 14-2 wire, placing one wire per strain relief opening.
Wiring the AC Breakers
Make sure no AC power is coming into the RV from either the Shore Power cord or an
on-board generator. Determine the proper size breakers for the loads the WF-8930/50 Series
Distribution Center will be powering. You can use either single or duplex breakers, or a
combination of both. We recommend that all the breakers used be of the same brand. Two
main breakers and up to 12 branch breakers can be installed in the WF-8930/50NP when using
duplex breakers. One Main breaker and up to 6 Branch breakers can be installed in the
WF-8930/50NP-30, again when using duplex breakers. Refer to the tables on pages 4 and 5 for a
selection of approved breakers. e Main breakers should be installed in the center position. See
the wiring diagrams below. A hold down clip is provided to keep the breaker securely in place.
e Shore cord should be routed through one of the large knockouts in the back of the wiring
compartment as indicated above and secured with a Romex clamp. For 30 Amp service, the
Black (Hot) wire is connected to the 30 Amp Main breaker. For 50 Amp service, the Black wire
is connected to one of the 50 Amp Main breakers and the Red wire is connected to the other
50Amp main breaker as shown. e White (Neutral) wire is connected to the Neutral Terminal
bar at the bottom of the wiring compartment. e Green (Ground) wire is connected to the
Ground Terminal bar also located at the bottom of the compartment.
Route the Romex leads for the Branch circuits through the Strain Reliefs in the back of the
wiring compartment. In a similar fashion, connect the Black wire to the Branch breaker and the
White and Green wires to the appropriate Terminal bar.
When wiring has been completed, make sure all terminals are torqued to the specications listed
on the back of the door assembly.
8
Wiring the DC Fuse Board
Make sure the converter/charger is OFF and 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 F1 and F2 can be used for slide-outs or other
higher current loads and can have a maximum 30 Amp ATO or ATC fuse installed. e
remaining 13 circuits are general purpose and can have up to a 20 Amp ATO or ATC fuse
installed. Make sure the fuses are seated properly.
All models have lug screw connections. Strip approximately 1/4” of insulation from the DC
load wires and insert the wire into the appropriate lug. Tighten the lug screw to the torque
spec found on the back of the door assembly. Make sure all connections are tightly secured.
Figure 3
9
Note: DC power coming to the WF-8930/50 Series Distribution Center could be routed in one
of 2 ways.
1. Power could be coming directly into the WF-8930/50 Series Distribution Center fuse board
from the converter/charger. e battery (if supplied) would also connect to the fuse board.
2. Power from the converter charger would be connected directly to the battery. A cable from
the battery would be connected to the fuse boards input lugs.
We’ll use the rst connection method in our discussion below.
Connect the heavy Positive wire coming from the converter/charger to one of the POS+ lugs of
the fuse board. In a similar fashion, connect the heavy Negative wire from the converter/charger
to the NEG- lug on the fuse board. Make sure the lugs are tightened to the specs in the torque
chart locate on the back of the door assembly. Connect the battery Positive cable to the
remaining POS+ lug making sure it is torqued properly. e Negative battery lead will be
connected below.
As a last step, any DC negative leads should be connected to the internal Negative bus bars
located at the bottom le of the fuse board.
CONSUMER LIMITED WARRANTY
for WFCO Electronic Products
WFCO extends, to the original owner, a Two Year Limited Product Warranty. is
warranty is in eect from the date of original purchase for a period of two (2) years. is
limited warranty is extended specically for and is limited to Recreational Vehicle
application and is
only valid within the continental United States, Alaska, Hawaii and the
Provinces of Canada.
WFCO warrants, to the owner, that its products are free from defects
in material and workmanship under normal use and service based on its intended use and
function. is warranty is limited to the repair or replacement, at WFCO’s discretion, of any
defective parts or defective assembly. Any implied warranties of merchantability or tness
for intended use are limited in duration unless applicable State Law provides otherwise. You
may have other rights as specied by each individual state.
EXCLUSIONS and LIMITATIONS
e OEM warranty specically does not apply to the following:
• Any WFCO product that has been repaired or altered by an unauthorized person;
• Any damage caused by misuse, faulty installation, testing, negligence, 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 to the 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.
Specications 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 oered by Arterra
Distribution / WFCO.
10
11
CONSUMER WARRANTY CLAIM PROCEDURE
Upon determination and validation by an authorized OEM dealer that a WFCO product has a
defect, a Return Goods Authorization (RGA) number will be required before the product can
be returned. e RGA number can be requested by completing the Warranty Information Fax
Sheet and appropriate Troubleshooting Form found at www.wfcoelectronics.com. Once these
forms have been completed, email the forms along with Proof of Purchase to
warranty@wfcoelectronics.com or fax the three documents to the Warranty Department at
(574) 294-8698. Aer receipt of the forms, an RGA number will be issued. is number shall
appear on all correspondence with warranty service. Upon validation of the warranty, WFCO
shall replace the product with a like product. e RGA number shall be placed on the outside
of the carton used to return the product for ease of identication. Do not mark directly on
the product. e product must be packaged properly to avoid further product damage which
could cause a non-warrantable condition.
WARRANTY ASSISTANCE
e consumer may contact the selling Dealer or OEM for warranty assistance.
e consumer may also contact Arterra Distribution, exclusive distributor to WFCO
Products at: (574) 294-8997 or Fax (574) 294-8698.
Figure 4
WFCOELECTRONICS.COM
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