Bunn Hot Water Dispencer H5X Element

Remove the wires to the tank heater

Remove the 8-32 nuts from the tank heater flange

Inspect the tank heater gasket and replace if necessary

Securely install the new tank heater. Be certain of a watertight seal

Refer to schematic wiring diagrams when reconnecting the wires

Sign off on the tank heater replacement

Remove both wires from the thermostat terminals

Remove the top lid from the dispenser to gain access to the thermostat bulb

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

Remove the two #6-32 screws holding the thermostat to the mounting bracket

Fasten the new thermostat to the mounting bracket

NOTE: Make sure that the capillary tube is away from any electrical termination and is not kinked

Slide the grommet to the red mark on the capillary tube

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

Refer to FIG. 10 when reconnecting the wires

Warning: Disconnect the switch harness from CBA before starting the test

Continuity present when switch is pushed in

Connect ohmmeter red lead to the red wire (+) and black lead to tan wire (-)

Select the resistance/continuity or diode scale

Does the LED glow from the meter's battery power source?

Sign off on the dispense switch test

Warning: Ensure the dispenser is unplugged and cool before starting the procedure

All wires removed from the solenoid valve coil

Water supply to the dispenser turned off

Water line disconnected from the solenoid valve

Two 8-32 slotted-head screws removed from the solenoid valve and mounting bracket

New solenoid valve securely installed to the back panel

Water line securely fastened to the solenoid valve

Wires reconnected to the solenoid valve

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

Thermistor disconnected from J5 on control board

Resistance across thermistor (Ohm)

Was the resistance as described?

If resistance was not as described, replace the control board

Sign off on the steam sensor test