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Johnson Controls T91 Series Room Temperature Sensor

Room Temperature Sensor
T91 Series

This solid state thermistor sensor detects temperature changes in a room or similar space. Series T91 Sensors may be used directly with Series M100Q Motor Actuators.

• highly sensitive thermistor sensing element
• fast response
• integral “Fan” and “System” switch options
• vertical or horizontal mounting
• three types of adjusters–external knob, concealed knob, or provisions for remote setpoint
• easy to install and wire
• separable mounting plate with screws saves installation time

Select a link under the "item" tab below to order.

Cat #SystemFanRange °F (°C)ThermometerSetpoint Adjustment
T91BAA-1C--40/90 (5/32)NoRemote
T91BBA-1C--40/90 (5/32)NoConcealed
T91BCA-1C--40/90 (5/32)YesKnob
T91BCB-1CHeat-off-coolAuto-on40/90 (5/32)YesKnob
Ambient Temperature -40 to 140°F (-40 to 60°C)
Baseplate 0.050 in. (1.27 mm) cold rolled steel with dichromate dip finish
Cover 0.025 in. (0.64 mm) cold rolled steel. Baked on "tawny silver" finish. Faceplate is aluminum with dark brown and light brown finish. Letters and markings are bright aluminum surface.
Electrical Rating for Switches 5 A. at 24 VAC
Wiring Connections 6 in. No. 18 color coded wire leads


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