Description
The Johnson Controls T22JAA-1 is a line voltage wall thermostat engineered specifically for cooling applications. Featuring a straightforward knob adjustment interface and a single-pole, single-throw (SPST) switching configuration, this thermostat delivers reliable, no-frills temperature control for a wide range of commercial and residential cooling systems.
Key Features
- Designed for cooling applications — maintains comfortable setpoints in air conditioning and cooling systems
- Knob adjustment for simple, intuitive setpoint control
- SPST switching configuration for straightforward wiring and integration
- Off-Auto selector switch allows the system to be shut off or placed in automatic mode
- 2-1/4 degree differential minimizes short-cycling and promotes efficient system operation
- Wide temperature range of 40°F to 90°F accommodates diverse cooling application requirements
- Line voltage design — no separate transformer or low-voltage wiring required
Specifications
- Model: T22JAA-1
- Brand: Johnson Controls
- Application: Cooling
- Switch Type: SPST (Single-Pole, Single-Throw)
- Selector Switch: Off-Auto
- Adjustment Type: Knob
- Temperature Differential: 2-1/4°F
- Temperature Range: 40°F to 90°F
- Thermostat Type: Line Voltage Wall Thermostat
Application & Installation
The T22JAA-1 is ideal for use in unit ventilators, fan coil units, window air conditioners, and other line voltage cooling equipment where a simple, durable thermostat is required. Its Off-Auto selector switch gives operators direct control over system operation, while the 2-1/4° differential helps prevent excessive cycling and extends equipment life. The knob-style setpoint adjustment makes field setup quick and easy, requiring no special tools or programming.
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