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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-22
A19AAE-3 Thermostat
A19 Series Thermostat for Crop Drying
Description
The A19 Series are single-stage temperature
controls that incorporate liquid-filled sensing
elements.
Refer to the A19 Series Utility Thermostats for
Farm, Industrial, and Commercial Use Product
Bulletin (LIT-125030) for important product
application information.
Features
designed for high temperature applications
narrow (2F° fixed) or wide adjustable
differentials
Applications
Crop drying thermostat energizes gas valve to
maintain temperature.
Repair Information
If the A19 Series Thermostat for Crop Drying
fails to operate within its specifications, replace
the unit. For a replacement thermostat, contact
the nearest Johnson
Controls®
representative.
Technical Specifications
The maximum bulb temperature for the
A19AAE-3 is 200°F (93°C) and for the
A19ABB-2 is 240°F (116°C).
Electrical Rating 120 VAC
Motor Ratings VAC 120 208 240
A19AAE-3
AC Full Load A 6.0 3.4 3.0
AC Locked Rotor A 36.0 20.4 18.0
Non-Inductive or
Resistance Load A
(Not Lamp Loads)
10 A
120 to 277 VAC
Pilot Duty 125 VA,
24 to 277 VAC
A19ABB-2
AC Full Load A 10.0 6.0
AC Locked Rotor A 60.0 36.0
Pilot Duty 125 VA,
24 to 600 VAC
Selection Chart
Product
Code
Number
Switch
Action
Range
°F (°C)
Differential
F°(C°)
Bulb and
Capillary
Range
Adjuster
Max. Bulb
Temperature
°F (°C)
A19AAE-3C Single-Pole,
Single-Throw
(SPST) open high
80 to 180
(27 to 82)
2 (1.1) fixed 1/8 in. x 1-1/4 in.
copper-coiled
10 ft capillary
Knob
Ext. scale
200 (93)
A19ABB-2C SPST open high 50 to 200
(10 to 93)
6 to 24
(3 to 13)
adjustable
0.290 in.
x 2-1/2 in.
10 ft. capillary
Knob
Ext. Scale
240 (116)
Single-Stage Electromechanical Temperature Controls
Code No. LIT-1927020