5
EI218843 Revision A (KAK) 10 May, 2001
Equipment Installation Instructions
Eight Valve Pass-Thru Dispensing Tower
5-Size Keyboard
Conversion Kit for 4-Size to 5-Size Keyboard Portion Control
on Eight Valve Pass-Thru Dispensing Tower
Kit Contents (P.N. 00218844)
One MPC84B 5-Size Portion Control Board (P.N. 00218380)
Two 8 Valve, 5 Cup Size Keyboard (P.N. 00218840)
One dual 7 Pin Keyboard Harness Assembly (P.N. 00218846)
4- Tye Wraps
Installation Instructions
Note: For the following procedures, refer to “Wiring Diagram
for Keyboard Kit (P.N. 00218844)”
1. Turn all power “off” to tower.
2. Remove 12 position connector from 12 pins on back right
of both existing tower keyboards.
3. Remove 5 and 2 position connectors from 7 pins on back
left of both existing tower keyboards.
4. Remove 10 @ 6-32 nuts from back mounting studs on both
existing keyboards.
5. Remove both existing 4-Size keyboards from tower pan-
els.
6. Install both new 5-Size keyboards (P.N. 00218840) into the
same mounting holes and secure with same 6-32 nuts.
7. Re-install both existing 12 pin connectors onto 12 pins on
back right of new keyboards (keyed).
8. Install new harness with two (2) 7 position connectors onto
7 pins on back left of both new keyboards.
Note: White wire located at pin 1.
9. Trace both existing 5 & 2 wire harnesses back to portion
control (Model MPC84B). Cut any tye wraps holding them
in place. Remove 2 position connector at J18, and 5 posi-
tion connector at J19 , associated with these harnesses.
Discard these harnesses.
Replacing the old Portion Control Board with new Portion
Control Board (P.N. 00218380)
1. Unplug all eight (8) valve harness connectors from por-
tion control at J1 through J8.
2. Unplug two (2) power harness connectors from portion
control at J15 and J20.
3. Remove existing 4-Size Portion Control Board from its
standoffs.
4. Install new 5-Size Portion Control Board onto standoffs.
Extra standoffs are provided in case of breakage.
5. Plug the two (2) power harness connectors back onto new
control at J15 and J20.
6. Plug the eight (8) valve harness connectors back onto the
new control at J1 through J8, valve #1 to valve #8 respec-
tively.
Completing installation
1. Install connectors to Portion Control Board at other end
of new 7 wire harness, 5 position connector at J19 (keyed),
2 position connector at J19 (grey on pin 1), and 5 position
connector at J19 (keyed).
2. Verify new wiring and wire colors conform to schematic
drawing.
3. Supply power to tower. Verify all 5 sizes work at all valves
and all other functions of the portion control work (refer
to “Multiplex Model MPC84B 5-Size Portion Control
Board with Top-off (P.N. 00218380)” instructions sup-
plied).
4. Clean up wiring (with supplied tye wraps) and close up
tower.