Bunn T6A, T3A SERVICE cont, T3 BREWERS W/OUT HALF BATCH OPTION, T3 BREWERS W/HALF BATCH OPTION

Models: T3 T6 T6A T3A

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T3 BREWERS W/OUT HALF BATCH OPTION

SERVICE (cont.)

ON/OFF SWITCH (T3 W/OUT HALF BATCH) or SE- LECTOR SWITCH (T3 W/HALF BATCH and T6 BREWERS)(cont.)

T6 Brewers

1.Disconnect the brewer from the power source.

2.Remove the black wire from the top center switch terminal.

3.With a voltmeter, check the voltage across the black wire removed from the selector switch and the white wire or red wire on the tank heater.

4.Connect the brewer to the power source.The indi-

cation must be:

Removal and Replacement:

1.Remove the wires from the switch terminals.

2.Compress the clips inside the hood and gently push the switch through the opening.

3.Push the new switch into the opening and spread the clips to hold the switch captive in the hood.

4.Refer to FIG. 16 when reconnecting the wires.

a)120 volts ac for two wire 120 volt models.

a)240 volts ac for two wire 240 volt models.

b)100 volts ac for two wire 100 volt models.

5.Disconnect the brewer from the power source.

If voltage is present as described, proceed to #6.

If voltage is not present as described, refer to the Wir- ing Diagrams and check the wiring harness.

6. Check for continuity across the center and left or

WHI/VIO to Dilution

Timer TL1

WHI/VIO

WHI/VIO to Brew

Timer TL1

BLK to Power Cord (100V & 120V Models)

BLK to Power Connector (240V Models)

WHI to Dilution Timer TL2 (100V & 120V Models)

RED to Diltuion Timer (240V Models)

right terminals of the top row when the switch is

"ON" (left or right) position.

T3 BREWERS W/OUT HALF BATCH OPTION

BLK to Power Cord (100V & 120V Models)

BLK to Power Connector (240V Models)

If continuity is present as described, replace the wires, the switch is operating properly.

If continuity is not present as described, replace the switch.

7.Check for continuity across the left and center ter- minals in rows two, three and four with the switch in the "ON" (left or right) position.

WHI/VIO to Brew Timer TL1

GRY to Brew Timer

GRY to Dilution

Timer (Delay)

GRY to Dilution

Timer (Dilution)

T3 BREWERS W/HALF BATCH OPTION WHI/VIO to Dilution Timer TL1

PNK to Brew Timer

PNK to Dilution Timer (Delay) PNK to Dilution Timer (Dilution)

T3 BREWERS W/HALF BATCH OPTION

If continuity is present as described, replace the wires. The switch is operating properly.

If continuity is not present as described, replace the switch.

WHI/VIO to Brew Timer TL1

WHI/BRN to Dilution Timer TL1

BRN/BLK to Left Dilution Solenoid

BLK to Power Connector (120V

Models)

BLK to Power Connector (240V

Models)

YEL to Right Dilution

Solenoid

WHI (100V & 120V

Models)

RED (240V Models)

T6 BREWERS

FIG.16 ON/OFF SWITCH TERMINALS

P1282

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10145

072600

 

 

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Bunn T6A, T3A manual SERVICE cont, T3 BREWERS W/OUT HALF BATCH OPTION, T3 BREWERS W/HALF BATCH OPTION, T6 BREWERS