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9.13 Heater Circuit
The water temperature in the heater tank is controlled by a thermistor probe. The
thermistor has a variable resistance; when cold it has a high resistance and when hot
it has a low resistance.
1.
The thermistor probe sits directly in the water and continuously senses the water
temperature. The resistance of the thermistor is interpreted by the controller
as a temperature reading.
N.B. The resistance of the thermistor when at ambient (room) temperature
should read about 3000 ohms, when hot (96°C) it should read approximately 220
ohms.
79
Technical Manual
Summary of Contents for Genesis
Page 10: ...8 Technical Manual ...
Page 73: ...9 6 Output Circuit Instant Machines 71 Technical Manual ...
Page 75: ...9 8 Output Circuit Freshbrew Machines 73 Technical Manual ...
Page 80: ...9 12 Power Circuit 78 Technical Manual ...
Page 94: ...Exterior View 92 Technical Manual 2 3 4 5 6 7 8 9 1 10 11 12 13 ...
Page 96: ...Door Interior 94 Technical Manual 1 2 3 4 5 6 2 7 8 9 10 11 12 13 14 16 15 17 18 ...
Page 98: ...Console Assembly 96 Technical Manual 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ...
Page 100: ...Interior View Instant Machines 98 Technical Manual 1 2 3 4 5 6 7 8 9 10 ...
Page 104: ...Interior View Freshbrew Machines 102 Technical Manual 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ...
Page 110: ...Tall Canister Assembly 108 Technical Manual 1 11 8 4 9 10 7 6 3 2 4 5 ...
Page 112: ...Freshbrew Tea Canister Assembly 110 Technical Manual 1 6 4 7 8 9 3 2 4 5 ...
Page 114: ...Freshbrew Coffee Canister Assembly 112 Technical Manual 8 1 3 2 4 5 4 6 7 ...
Page 116: ...Dispense Head Assembly 114 Technical Manual 1 2 3 4 5 6 7 8 9 10 11 ...
Page 120: ...Mixing System 118 Technical Manual 1 2 3 4 5 6 7 8 9 ...
Page 122: ...Power Supply Assembly 120 Technical Manual 1 2 3 4 5 6 7 8 10 10 10 9 ...
Page 124: ...Brewer Motor Assembly 122 Technical Manual 2 3 5 4 1 6 7 8 ...
Page 126: ...Notes 124 Technical Manual ...
Page 127: ......