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The performance specifications are nominal and conform to acceptable industry standards. For applications at conditions beyond these specifications, consult the local Johnson Controls office.
Johnson Controls, Inc. shall not be liable for damages resulting from misapplication or misuse of its products. © 2015 Johnson Controls, Inc. www.johnsoncontrols.com
R-84
T91 Series Room Temperature
Sensor
T91 Series Room Temperature Sensor
Description
The T91 Series Temperature Sensor is a
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.
Refer to the T91 Thermistor Room
Temperature Sensor Product Bulletin
(LIT-125675) for important product
application information.
Features
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
Repair Information
If the T91 Series Room Temperature Sensor
fails to operate within its specifications, replace
the unit. For a replacement sensor, contact the
nearest Johnson
Controls®
representative.
Applications
Use for room or space temperature sensing to
position sequencers or actuators for heating
and/or cooling systems.
Selection Chart
Technical Specifications
Product Code
Number
1
1. Supplied with vertical faceplate installed.
Range
°F (°C)
Thermometer Setpoint Adjustment Switches
Fan System
T91BAA-1C 40/90 (5/32) No Remote
T91BBA-1C 40/90 (5/32) No Concealed
T91BCA-1C 40/90 (5/32) Yes Knob
T91 Series Room Temperature Sensor
Ambient Temperature -40 to 140°F (-40 to 60°C)
Baseplate 0.050 in. (1 mm) cold rolled steel with dichromate dip finish
Cover 0.025 in. (1 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
Temperature Control Sensors and Accessories
Code No. LIT-1922280