SERVICE (cont.) |
| mostat is turned fully clockwise. Connect the | |
CONTROL THERMOSTAT |
| brewer to the power source. The indication must | |
| be: | ||
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| a) 120 volts ac for two wire 120 volt models. | |
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| b) 240 volts ac for two wire 240 volt models. | |
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| c) 100 volts ac for two wire 100 volt models. | |
| 8. | Disconnect the brewer from the power source. | |
| If voltage is present as described, reinstall the capil- | ||
| lary tube into the tank to the line 4.5" above the bulb, | ||
| the control thermostat is operating properly. | ||
| If voltage is not present as described, replace the ther- | ||
| mostat. | ||
| Removal and Replacement: | ||
P1276.40 | 1. | Remove both wires from the control thermostat | |
FIG. 8 CONTROL THERMOSTAT |
| terminals. | |
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| ||
Location: | 2. | Remove the thermostat capillary bulb by firmly | |
The control thermostat is located inside hood on |
| pulling up on the capillary tube at the tank lid. This | |
the right side just behind the dilution timer. | 3. | will disengage the grommet from the tank lid. | |
| Remove the | ||
Test Procedures: |
| mostat to its bracket. | |
1. Disconnect the brewer from the power source. | 4. | Slide the grommet to the line 4.5" above the bulb | |
2. Locate the blue/black wire on the control thermo- |
| on the new capillary tube. | |
stat. | 5. | Insert the capillary bulb through the hole in the | |
3. With a voltmeter, check the voltage across the blue/ |
| tank lid and press the grommet firmly and evenly | |
black wire on the control thermostat and the white |
| so that the groove in the grommet fits into the | |
wire on the tank heater for 100 volt and 120 volt |
| tank lid. | |
two wire models or red wire on the tank heater for | 6. | Carefully bend the capillary tube so that the tube | |
240 volt two wire models. Connect the brewer to |
| and bulb inside the tank are in a vertical position. | |
the power source. The indication must be: | NOTE Ð The capillary tube must be clear of any elec- | ||
a) 120 volts ac for two wire 120 volt models. | trical termination and not kinked. | ||
b) 240 volts ac for two wire 240 volt models. | 7. | Fasten the new control thermostat to its bracket. | |
c) 100 volts ac for two wire 100 volt models. | |||
8. | Refer to Fig. 9 when reconnecting the wires. | ||
4. Disconnect the brewer from the power source. | |||
9. | Adjust the control thermostat as required. | ||
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If voltage is present as described, proceed to #5. |
|
If voltage is not present as described, refer to the |
|
Wiring Diagrams and check the brewer wiring har- | BLK to Tank |
ness. | Heater |
5. Locate the black wire on the control thermostat.
6.Gently remove the capillary bulb and grommet from the tank.
7. With a voltmeter, check the voltage across the |
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| BLU/BLK to Limit |
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black wire of the control thermostat and the white |
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| Thermostat |
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wire on the tank heater for 100 volt and 120 volt |
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two wire models or red wire on the tank heater for |
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| P1280 | ||
240 volt two wire models when the control ther- |
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| FIG. 9 CONTROL THERMOSTAT TERMINALS |
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Page 20 | 10225 | 021599 | ||||
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