Siemens Building Technologies 192 S Thermostats Catalog Page

Pneumatics
Powerstar Single Setpoint Pneumatic Room Thermostat
192 S
Thermostats
Description
Providing proportional single output, single setpoint, 1-pipe for low air capacity or 2-pipe for high air capacity pneumatic room temperature control, the 192 S Powerstar Single Setpoint Pneumatic Room Thermostat is the most economical model. Refer to the Retroline page F-15 to replace competitive models.
®
Retrostats on
Features
• Single setpoint dial available in Fahrenheit or Celsius scales
• Available in direct or reverse acting models
• Sensitive bimetal responds to temperature changes
• Integral, eld adjustable limit stops
• Wall mounting plate for connection to a variety of rough-in terminal boxes included
• Large volume air capacity relay in 2-pipe models only
• Test port for fast check of output pressure without removing the cover
• Field replaceable thermometer, setpoint dial, restrictor
and lters for decreased maintenance cost
192 S Thermostat chassis.
Typical wall plate and screws.
Applications
Designed for heating and cooling applications for control of pneumatic valves and damper actuators. The 192 S Powerstar Single Setpoint Pneumatic Room Thermostat is excellent for commercial and institutional facilities.
Recommendation
1-pipe: Use when limited output air capacity is required to
operate a single valve and/or actuator; requires external restrictor, 20 scim (5.4 ml/s) air supply.
2-pipe: Use for high output capacity for control of multiple valves and actuators, used with or without high/low limiting controls.
Application Drawings
Dotted lines are alternative control schemes.
F-5
Options
• Quick-connect air connections for ease of installation and service
• Fixed limit stops to meet government specications
• Large, 1/2" setpoint knob for convalescent homes
192 S Thermostat Specifications
For complete conversion kits, refer to the Retroline® Retrostats starting on page F-15.
F-6
Scale; Range
Major (minor) Divisions............................................. 45 to 85°F, 10(2)°F
(7 to 30°C, 5(1)°C)
Factory Calibration .......................................................72°F, 7.5 psi ±0.3
(22°C, 52 kPa @ 1.8)
Sensitivity Adjustment Range .................1 to 4 psi/°F (12 to 50 kPa/°C)
Factory Setting ......................................................2.5 psi/°F (31 kPa/°C)
Limit Stop
Field Adjustment Range .............................................. 45/85°F (7/30°C)
Fixed Limit Stop Range ............................................. 55/75°F (13/24°C)
Temperature
Storage ......................................................-10 to +140°F (-23 to +60°C)
Ambient Operating ........................................... 40 to 140°F (4 to 60°C)
Accuracy at Factory
Calibration ........................................................................ ±2°F (±1.1°C)
Response ........................................................................ 0.1°F (0.06°C)
Supply Air Pressure
Recommended ............................................................. 25 psi (172 kPa)
Maximum ...................................................................... 30 psi (207 kPa)
192 S Thermostat Product Ordering
Thermostat Chassis Type
Model #
192 S 1-pipe
192 S 2-pipe
Output Setpoint Air Output Capacity
Single Single (Heat or Cool) Low (No Relay)
Single Single (Heat or Cool) High (Integral Relay)
Nominal Air Consumption for Air Compressor Sizing
1-pipe ......................................................................... 25 scim (6.8 ml/s)
2-pipe ......................................................................... 20 scim (5.5 ml/s)
Nominal Air Capacity for Air Main Sizing
1-pipe ......................................................................... 25 scim (6.8 ml/s)
2-pipe ......................................................................... 20 scim (5.5 ml/s)
Nominal Chassis Air Capacity
1-pipe Supply ............................................................. 25 scim (6.8 ml/s)
2-pipe Supply ............................................................ 230 scim (63 ml/s)
1-pipe Exhaust .............................................................. 30 scim (8 ml/s)
2-pipe Exhaust .......................................................... 150 scim (41 ml/s)
Air Connections ..................................................5/32" (4 mm) OD tubing
Dimensions (with cover) ............................. 2.16" W x 3.34" H x 1.59" D
(55 mm W x 85 mm H x 40 mm D) Shipping Weights (with cover)
Thermostat Chassis and Wall Plate .............................0.53 lb. (0.24 kg)
Plastic Cover/Metal Cover ................0.07 lb. (0.04 kg)/0.27 lb. (0.12 kg)
Thermostat Chassis
& Wall Plate
Thermometer & Setpoint Scales
°F °C
°F °C
Control Action
Direct Reverse
192-200 192-201
192-220 192-221 192-202 192-203
192-222 192-223
Thermostat Covers (Sold Separately)
Pneumatics
Adjustment setpoint concealed
Indicator setpoint concealed
Chassis thermometer concealed
No logo
Adjustment setpoint concealed
Indicator setpoint concealed
Chassis thermometer concealed
With logo
Adjustment setpoint concealed
Indicator setpoint concealed
Chassis thermometer exposed
Adjustment setpoint key
Indicator setpoint exposed
Chassis thermometer concealed
Use with 1/2" setpoint knob option
Adjustment setpoint key
Indicator setpoint exposed
Chassis thermometer exposed
Use with 1/2" setpoint knob option
Adjustment setpoint exposed
Indicator setpoint exposed
Chassis thermometer concealed
Adjustment setpoint exposed
Indicator setpoint exposed
Chassis thermometer concealed
Plastic Part No. Metal Part No.
Desert Beige White
192-257 192-257W 192-357
192-256 192-256W 192-356
192-254 192-254W 192-354
192-265 192-265W 192-365
192-266 192-266W 192-366
192-250 192-250W 192-350
192-252 192-252W 192-352
Note: “Exposed features” are indicated in red on corresponding illustration.
Universal Cover sold on page F-83. For 194 refer to Powerstar Retroline section.
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