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Removal:
1.
Disconnect all power sources to the unit.
2.
Remove front panel by opening access door and removing (2) screws.
3.
Disconnect the neutral (white) and ground (green) converter feed wires from distribution blocks and hot wire from AC
branch breaker. If the utility pigtail is used, remove wire nut. Pull wires thru the hole at the bottom left of the AC power
section.
4.
Depress tab securing DC Board, and pull the DC board outward. Remove the converter+ (red) and converter- (white) wires
from the front of the board. Pull wires thru the hole at the bottom right of the DC power section.
5.
Remove 'POS+' wire from the old DC board, and reconnect to the terminal labeled 'BATT POS+' on the new DC board.
Remove the 'NEG-' wire from the old DC board, and reconnect to the terminal labeled 'BATT NEG-' on the new DC
board. Secure new DC board to power center, and transfer branch circuit wiring and fuses in this same fashion.
6.
Remove the (2) screws securing the old converter assembly to power center, and remove converter assembly.
Installation:
7.
Attach new adapter bracket to power center using (2) screws removed in step #6.
8. Remove new converter core assembly from provided enclosure, by removing (4) screws securing converter to enclosure and
slide converter out. Discard the metal enclosure and screws as they are not used when replacing this model converter.
9. Slide new converter into power center. Route black/white/green wire-set into AC power section and black/ white wire-pair
into DC section. Secure converter by snapping into bracket installed in step #7.
10. In the AC power section, connect new converter neutral (white) wire to neutral distribution block and converter ground
(green) wire to ground bar. Connect hot (black) wire to the existing AC branch breaker. If the utility pigtail was used on the
original installation, two short lengths of 14AWG wire and a wire nut may be used to provide the utility pigtail. DO NOT
install (2) wires into the breaker.
11. In the DC power section, route new converter DC wires to new DC power distribution board. Connect new converter positive
(black) wire to the new DC power distribution board terminal labeled '+VCC'. Connect the negative (white) wire to the DC
board terminal labeled 'NEG-'.
12. Connect 4-pin header on DC board to 4-pin header on converter assembly using 4-wire harness (included).
13. Replace power center cover using (2) screws removed in step #2.
14. Transfer DC Distribution branch circuit information to the new label provided with the retrofit kit, and adhere label to the
inside of the power center door. Affix green Replacement Notice label over old branch circuit distribution label.
Note:
(4) screws and (1) roll pin supplied are not used and may be discarded.
Step 8 is skipped with 'W' models as they do not contain the enclosure.
Step #7
Replacement instructions for:
WFCO Models: 8935, 8945, 8955
Steps #3 & 10
Step #4
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