The 2212-118 and 2212-119 Series Pneumatic Room Thermostats are designed for proportional control of pneumatic devices and actuators in environmental control systems. These two-pipe thermostats incorporate a highly sensitive bimetal thermostatic element and a pilot operated relay with pneumatic feedback for accuracy and stability over the entire operating range.
These thermostats have a serrated thumb wheel for setpoint adjustment.
Specifications
Action:Â Proportional.
Setpoint Range: 55 to 85 °F (13 to 29 °C).
Throttling Range: 2 to 12 °F, adjustable.
Supply Air Pressure:Â 20 psig.
Maximum Air Pressure:Â 30 psig.
Main Air Consumption:Â 15 scim.
Calibration Point:Â 9 psig branch line pressure when ambient equals setpoint (factory-set).
Setpoint Adjustment:Â Serrated thumbwheel.
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