Bunn AFPO-2 User Manual download pdf (Page 15)

SERVICE (cont.)

REFILL SWITCHES

FIG. 14 REFILL SWITCHES

Location:

The refill switches are located on the upper right

front of the autofill box.

Test Procedures:

1. Disconnect the dispenser from the power source.

2. Disconnect the two white/red, brown/black or red/

black wires from the switch terminals.

3. Connect the dispenser to the power source. Check

for voltage across the white/red, brown/black or

red black wires from the test/operate switch and

the white wire on solenoid #2 or #3. The indication

must be:

a) 120 volts ac for two wire 120 volt models

b) 200 to 240 volts ac for two wire 200 or 240 volt

models.

c) 230 volts ac for two wire 230 volt models.

4. Disconnect the dispenser from the power source.

If voltage is present as described, proceed to #5.

If voltage is not present as described, refer to the

Wiring Diagrams

and check dispenser wiring harness.

5. Check for continuity across the switch terminals

with the switch in the “ON” position. Continuity

must not be present when the switch is in the

“OFF” position.

P1516

FIG. 15 REFILL SWITCH TERMINALS

P1522

FLAV

FILL

LAV

FLA

VOR

TPU

ATER

TPUT

If continuity is present as described, reconnect the

wires to the switch terminals.

If continuity is not present as described, replace the

switch.

Removal and Replacement:

1. Remove the wires from the switch terminals.

2. Compress the clips inside the autofill box and

gently push the switch through the opening in the

front of autofill box.

3. Push the new switch into the opening and spread

the clips to hold switch in the autofill box.

4. Refer to Fig. 15 when reconnecting the wires.

#1 AFPO-2 & 3

#2 AFPO-2 & 3

#3 AFPO-3 ONLY

RED/BLK from Test/

Operate Switch

RED/BLK to Vacuum

Switch #1

BRN/BLK from Test/

Operate Switch

BRN/BLK to Vacuum

Switch #2

WHI/RED from Test/

Operate Switch

WHI/RED to Vacuum

Switch #3

28791 040501

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Bunn AFPO-2 User Manual Page 15

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