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A-5
www.sbt.siemens.com/hvp/components
Description
Applications
Thermostats & Hygrostats
Typical wall plate and screws.192 S Thermostat chassis.
Powerstar Single Set Point
Pneumatic Room Thermostat
192 S
Providing proportional single output, single set point,
1-pipe for low air capacity or 2-pipe for high air capacity
pneumatic room temperature control, the 192 S Powerstar
Single Set Point Pneumatic Room Thermostat is the most
economical model. Refer to the Retroline
®
Retrostats to
replace competitive models.
Designed for heating and cooling applications for control
of pneumatic valves and damper actuators. The 192 S
Powerstar Single Set Point 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.
• Single set point dial available in Fahrenheit
or Celsius scales
• Available in direct or reverse acting models
• Sensitive bimetal responds to temperature
changes
• Integral, field 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, set point
dial, restrictor and filters for decreased
maintenance cost
Options
• Quick-connect air connections for ease of
installation and service
• Fixed limit stops to meet government
specifications
• Large, 1/2” set point knob for convalescent
homes
Application Drawings
Dotted lines are alternative control schemes.