Bunn Coffee Machine CWT15-APS,PF

Remove wires from control thermostat leads

Remove the thermostat capillary bulb by firmly pulling-up on the capillary at the tank lid

Remove the one #8-32 screw securing the control thermostat to the component bracket in the trunk

Slide the grommet to the line 4.5\ above the bulb on the new capillary tube"

Insert the capillary bulb through the hole in the tank lid and press the grommet firmly and evenly so that the groove in the grommet fits into the tank lid

Carefully bend the capillary tube so that the tube and bulb inside the tank are in the vertical position

NOTE - The capillary tube must be clear of any electrical termination and not kinked

Choose the model of the machine

Early Models: Using two #8-32 screws secure the control thermostat inside the hood

Warning: Disconnect the brewer from the power source before starting the test

Brewer disconnected from the power source

Blue and black wires disconnected from the limit thermostat

Continuity across the limit thermostat terminals checked with a ohmmeter

Sign off on the limit thermostat test

Warning: Disconnect the brewer from the power supply before starting the test

Brewer disconnected from the power supply

Pink and tan wires disconnected from the switch terminals

Continuity present across the two terminals on the switch when it is in the both positions

Continuity present across these terminals only in the full position

If continuity is not present as described, replace the switch

Sign off on the selector switch test

Warning: Disconnect the brewer from the power source before starting the test

White or red wire removed from the upper terminal and black wire from the center terminal

Voltage across the white or red wire and the black wire

Connect the brewer to the power source

Voltage is 120 volts ac for two wire 120 volt models and three wire 120/240 volt models OR 200 to 230 volts ac for two wire 200 or 230 volt models

Disconnect the brewer from the power source

Voltage is present as described

If voltage is not present as described, refer to the Wiring Diagrams and check the brewer wiring harness

Black wire removed, wire removed from the lower terminal

Remove the three #4-40 screws securing the warmer assembly to the brewer

Lift the warmer assembly from the brewer

Disconnect the two wires from the warmer element terminals

Remove the two #8-32 nuts securing the warmer element to the warmer plate

Securely install new warmer element

Reconnect the two wires to warmer element terminals

Securely install warmer assembly on the brewer

Sign off on the warmer element replacement