Bunn Liquid Autofill Kits Installation Instructions Manual page 2

INSTRUCTIONS (Continued)
6. Remove 4 screws holding in the main
circuit board.
On ULTRA-1 Models, proceed to Step 12.
9. Plug wire harness (B) into Auto Fill
board connector and route wires in
front of drain tube and back into the
machine.
For ULTRA-1 Models not Auto-fill ready:
12. Disconnect main wiring harness from
circuit board. Insert pink wire from
Harness (Q) into terminal #6.
7. Connect Auto Fill board to J-12 on the
main board. Be sure to snap the plastic
stand off's completely into the main
board.
10. Remove top nut off of grounding stud
in the base of the machine, add on the
green grounding wire from the new har-
ness and reinstall the nut onto the stud.
Make sure that all the other grounding
wires remain on the ground stud.
13. Insert red wire from Harness (Q) into
terminal #18.
NOTE: The pin terminal must be oriented
correctly to be inserted fully. After inserting
these connections, pull lightly on the wires
to insure they do not come out.
• Route new harness back into machine
along with the main harness.
(Continued)
2
8. Reinstall the main board into the
machine using the original mounting
screws.
11. Route Pink and Tan wires up to level
probes. To ease wire harness installa-
tion, remove both auger motors.
Note: valve connection wire colors –
right is red and white, left is blue and
white.
14. Locate white wire on new harness with
piggy-back style spade connection.
Remove white wire from refrigerant
valve and connect piggy-back connec-
tor from new harness onto refrigerant
valve. Reconnect white wire from
main harness onto the new piggy-back
connector. Route remaining portion of
new harness toward the back of the
machine.
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