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Technical Instructions Free Energy Band TH 193 HC Heating/Cooling Room Thermostat
Document Number 155-068P25
February 14, 2022
Page 6 Siemens Industry, Inc.
Operation,
Continued
Figure 4. TH 193 HC Operating
Characteristics.
Figure 5. TH 193 HC Input/Output
Characteristics.
TH 193 HC
Thermostat Details
Figure 6. TH 193 HC Thermostat Details.
Thermometer
Calibration
1. Use a test thermometer to read the current room temperature.
2. Place a screwdriver in the center of the thermometer assembly (Figure 6). Carefully
rotate the thermometer assembly until the pointer tip indicates the correct room
temperature.
NOTE: Avoid breathing on or touching the bimetal spiral since this influences the
temperature reading.