T22 Series
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. © 2006 Johnson Controls, Inc.
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T22 / T25 / T26 Series
Line Voltage Wall Thermostat
(Heating, Cooling, or Heating and Cooling
Code No. LIT-1922255
Issued July 1, 2006
Description
For line voltage control of residential, commercial, or industrial heating
or year- round air conditioning. Heat or cold anticipators are not
required. The liquid-charged temperature sensing element and highly
efficient diaphragm and leverage provides close temperature control.
Features
• attractive beige colored, high-impact plastic enclosure (T26 Series)
• close differential without the need for anticipators
• bi-metal thermometer supplied as standard except where indicated
• equipped with adjustable dial stops (T26 Series)
Series T25
Action on Increase
of Temperature
R
B
Y
Low Stage
R
B
Y
High Stage
SeriesT26
Action on Increase
of Temperature
1
2
3
t28cd.eps
t28cd.eps
T25, T26 Series Action Diagrams
Applications
Use for line voltage control of heating and cooling equipment.
Specifications
Temperature range is 40 to 90°F (5 to 30°C), except energy
conservation models.
Accessories
• replacement knobs and faceplates
• for double trim plate for mounting two T22s or T26s
Selection Chart
Code
Number
1
Type of
Adjustment
Application Selector
Switch
Differential Approximately °C (°F) Ship
Wt. (lb)
Heating Cooling
Heating
T22AAA-1C
Knob
SPST
Off-Auto
1 3/4 (1)
–
1.3
T22ABC-1C
Auto-Off-Fan
T22ABC-3C Concealed
T22BBC-1C
Knob
SPST, Medium Duty
3 (1.7)T22CBC-1C
SPST, Heavy Duty
T22CBC-3C Concealed
T26A-14C
(No thermometer)
Knob
SPST, Energy Conservation Heating
model, max. setting 75°F (24°C)
None 2 (1.1) 1.0
T26A-15C
(No thermometer)
SPST, Energy Conservation Heating
model, max. setting 65°F (18°C)
Cooling
T22JAA-1C
Knob
SPST
Off-Auto
–
2 1/4 (1.3) 1.3
T22JCC-1C Auto-Off-Fan
T26J-7C
(No thermometer)
SPST, Energy Conservation Cooling
model, min. setting 75°F (24°C)
None
T26J-9C
(No thermometer)
SPST, Energy Conservation Cooling
model, min. setting 78°F (26°C)
2 (1.1) 1.0
HEATING AND COOLING
T22SDA-1C
Knob
SPDT, permits system shutdown
at the thermostat
Off-Auto
1-3 /4 (1) 2-1/4 (1.3)
1.3
T22SEB-1C SPDT, used when the same device
controls heating and cooling
Heat-Off-Cool
T22SFB-1C
2
SPDT, used to control separate
loads on heating and cooling
T22TFB-1C
2
SPDT, heavy duty, used to control
separate loads on heating and cooling
3 (1.7) 3 to 4 (1.7 to 2.2)
T26S-18C
3
SPDT
None
1-3/4 (1) 2 1/4 (1.3)
1.0
T26T-3C
2
SPDT, heavy duty 3 (1.7) 3 to 4 (1.7 to 2.2)
T26
T25
T22
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