Siemens 192-200 Room Temp Thermostat Pneumatic Single Setpoint,
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® Retrostats on
page F-13 to replace competitive models.
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 require 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, use with or without high/low
limiting controls.

