Installation Manual

Replacement instructions for
WFCO Models: 8935, 8945, 8955
Removal:
1. Disconnect all power sources as outlined on page (1) of this manual.
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 sec-
tion.
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 wir-
ing 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 con-
verter 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 #4
Step #7
Steps #3 & 10
Page 4