Specifications

Technical Instructions
Document Number 155-066P25
October 26, 2010
Page 4 Siemens Industry, Inc.
Table 2. TH 192 HC Thermostat Cover Part Numbers.
Cover Configuration Cover Part Number
(See Note 2)
Setpoint
Adjustment
Thermometer
Setpoint
Indicator
Standard
Plastic Cover
Desert Beige
Standard
Metal Cover
Desert Beige
Concealed 192-256 192-356 Concealed
Exposed
Concealed
192-254 192-354
Concealed 192-267 192-367
Key
(See Note 1)
Exposed 192-268 192-368
Concealed 192-258 192-358 Exposed
Exposed
Exposed
192-260 192-360
1. Key setpoint adjustment cover required for all thermostat chassis with
optional 1/2” large setpoint adjustment knobs.
2. To order a plastic cover with white finish, add the "W" suffix code. To order a
metal cover with a white finish, add the "H" suffix code.
Specifications
Control action See Table 1.
Operating ranges 45 to 85°F (7 to 30°C)
Supply air pressure, maximum 30 psi (207 kPa)
Normal air supply pressure
Heating 25 psi (172 kPa)
Cooling 18 psi (124 kPa)
Sensitivity adjustment 1 to 4 psi/°F (12 to 50 kPa/°C)
Nominal air consumption (two-pipe) 25 scim (6.8 ml/sec)
Temperature
Storage temperature -10 to 140°F (-23 to 60°C)
Ambient operating temperature 40 to 140°F (4 to 60°C)
Temperature response 0.1°F (0.06°C)
Dial graduations 2°F (1°C)
Factory settings
Calibration @ 72°F (22°C) 7.5 psi (52 kPa)
Sensitivity 2.5 psi/°F (31 kPa/°C)
Limit stop adjustment 45 and 85°F (7 and 30°C)
Standard cover Cycolac, Desert Beige
Shipping weight 0.7 lbs. (0.3 kg)
Dimensions See Figure 3.