SERVICING INSTRUCTIONS (continued)
TEMPERATURE ADJUSTMENT
Unplug power cord or turn circuit breaker OFF. Remove top panel.
Pull vent tube out of tank lid and insert a thermometer of known accuracy in hole. Reconnect brewer to electrical power.
Place empty container under brew chamber. Energize brewer and allow unit to heat. When the READY TO BREW light first glows, read the temperature displayed on thermometer.
Adjust thermostat by turning shaft; clockwise increases temperature. 1/8 turn = approximately 10ºF, or 5.6ºC.
Refer to Table 1 below for proper brewing temperature based on altitude.
Upon completion, remove thermometer and reinstall the vent line and top panel.
Fig. 9 Checking and Adjusting Brew Temperature
CAUTION
Electric Shock
Hazard
These procedures involve exposed electrical circuits. These procedures are to be performed by qualified technical personnel only.
NOTE: Optimum brewing temperature is 195ºF to 205ºF (90ºC to 96ºC).
Thermostat should be adjusted to a maximum temperature of 200ºF (95ºC).
IMPORTANT:
A mechanical thermostat will maintain temperature within ±5ºF.
To prevent boiling water in the brewer, controller should be adjusted to a maximum temperature equal to the local boiling temperature minus 5ºF, or 200ºF (94ºC), whichever is less.
210
BOILING POINT OF WATER
TEMP. (ºF)
205
200
195
190
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ELEVATION
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| BREWING |
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NOTE: 1/8 turn = approximately 10ºF (5.6ºC).
TEMP. (ºC)
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| ELEVATION (meters above seal level) |
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BOILING
POINT OF WATER
IDEAL BREWING TEMPERATURE RANGE
MAXIMUM TEMPERATURE SETTING
Fig. 10 Adjust Thermostat
606 Owners Manual for 8742
Table 1 Boiling Temperature by Altitude
12
