Bloomfield 9220 9221 owner manual Temperature Adjustment, SERVICING INSTRUCTIONS continued

Models: 9220 9221

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TEMPERATURE ADJUSTMENT

SERVICING INSTRUCTIONS (continued)

TEMPERATURE ADJUSTMENT

PRECAUTIONS:

Disconnect brewer from electric power.

 

Allow brewer to cool.

FREQUENCY:

As required to adjust delivered volume

TOOLS:

Phillips head screwdriver

 

Satellite or other container to calibrate volume

1.Press HEATER ON/OFF switch to OFF. Turn POWER switch on back of brewer OFF.

2.Remove TOP PANEL. Operating controls are accessible through the top panel only.

3.Remove one of the plugs in the tank cover and insert a thermometer of known accuracy.

4.Locate the CONTROL THERMOSTAT on the right side of the top housing:

Turn CLOCKWISE to increase temperature

Turn COUNTER-CLOCKWISEto decrease temperature 1/8 turn is equal to approximately 10ºF change.

5.Turn POWER switch ON. Press HEATER ON/OFF switch to ON.

6.Allow the brewer to come up to brewing temperature. When READY-TO -BREW light comes on, check temperature on thermometer. Readjust thermostat as necessary.

CAUTION:

SHOCK HAZARD

Live electrical circuits are exposed during this procedure. Use care to avoid uninsulated electrical connectors.

Adjustments to be performed by qualified technician only.

NOTE:

1/8 turn = approx 10ºF (5.5ºC)

7.When desired temperature is achieved, remove thermometer, replace tank plug and reinstall top panel.

Procedure is complete

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Bloomfield 9220 9221 owner manual Temperature Adjustment, SERVICING INSTRUCTIONS continued