Bunn AF PR-2, AF PR-3 SERVICE

FLA

VOR

INPUT

MIXED PR

ODUCT OUTPUT

WATER

TER

INPUT

REFILL

MAIN

WER

SERVICE

This section provides procedures for testing and

replacing various major components used in this

dispenser should service become necessary. Refer to

for assistance in determining the

cause of any problem.

WARNING - Inspection, testing, and repair of electri-

cal equipment should be performed only by qualified

service personnel. The dispenser should be un-

plugged when servicing, except when electrical tests

are required and the test procedure specifically states

to plug-in the dispenser.

COMPONENT ACCESS

WARNING - Disconnect the dispenser from the power

source before the removal of any panel or the replace-

ment of any component.

All components are accessible by removing the

eight #8-32 screws (five on the front and three on the

rear) securing the main housing to the main mount-

ing panel. Refer to Fig. 1

Refer to the contents listing for component loca-

tion.

Contents

Circuit Board........................................................... 8

Fuse & Fuse Holder ................................................ 9

Main ON/OFF Switch............................................. 10

Probe LOW/OFF/HIGH Switches ...........................11

Refill ON/OFF Switches ........................................ 12

Vacuum/Supply Pump Assembly.......................... 13

Vacuum/Supply Pump Tubing Installation............ 14

Vacuum Switches .................................................15

Wiring Diagrams.............................................. 16,17

FIG. 1 COMPONENT ACCESS P1561

28791.1 011500