SIEMENS TH 193 HC Heating and Cooling Room Thermostat Instruction Manual
| General | Details |
|---|---|
| Name | SIEMENS TH 193 HC Heating and Cooling Room Thermostat Instruction Manual |
| Make | SIEMENS |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.15 MB |
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Siemens TH 193 HC Manual: Questions and Answers
What do the two setpoint dials on a Siemens TH do?
They allow independent adjustment of heating and cooling temperature setpoints. The dead band between them must be at least 4°F (2°C) minimum. Instruction Manual, p. 1
Can I order a white finish cover for the Siemens TH 193 HC?
White plastic covers are available as an optional finish. Add the "W" suffix code to the plastic cover part number. Instruction Manual, p. 4
What replacement setpoint dials are available for Siemens TH?
Direct acting dials in °F, part 192-779, or reverse acting right-side dials in °F, part 192-780. Both sold in packages of 10. Instruction Manual, p. 13
Where can I find calibration tools for the Siemens TH 193 HC?
Calibration tools are available as service parts. The basic pneumatic calibration kit, part 832-177, includes thermometer, gauge, squeeze bulb, fittings and case. A dedicated calibration tools kit is part 832-178. Instruction Manual, p. 12
What does control pressure staying at zero mean on a thermostat?
Control pressure at zero indicates low supply pressure, dirt on the nozzle or flapper, clogged restrictor, or the device is out of calibration.
- Check for low air supply pressure below 18 psi (124 kPa) minimum
- Clean nozzle or flapper, or replace thermostat if dirty
- Replace restrictor if clogged
- Recalibrate the thermostat Instruction Manual, p. 10
How do I access the output pressure test port on the Siemens TH 193 HC?
The output pressure test port is accessible without removing the cover through the 8th opening from the top. For one-pipe models, the port is on the right side; for two-pipe models, it's on the left side. Instruction Manual, p. 10
How long should the Siemens TH thermostat stand after adjusting the cooling dial?
About five minutes to adjust to the new setting. Instruction Manual, p. 8
How do I calibrate the Siemens TH 193 HC after changing sensitivity?
The thermostat must be recalibrated using the calibration tool and test gauge.
- Remove the cover using the 192-632 Calibration Tool. Verify room temperature is between 70°F and 80°F.
- Set the cooling dial to room temperature using the adjustment knob or hex key. Allow five minutes to stabilize.
- Moisten the needle and insert the 192-633 Test Gauge and needle adapter in the test port. Read control pressure.
- If pressure does not read 7 to 8 psi, turn the calibration screw using the 192-632 Calibration Tool or 1/8-inch wrench until it reaches 7 to 8 psi. Instruction Manual, p. 8
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