Description
The KMC Controls CTC-1621 is a direct acting (DA) pneumatic thermostat engineered for precise temperature control in commercial 2-pipe HVAC systems. Designed for building automation and pneumatic control applications, this thermostat delivers dependable performance across a 55–85°F sensing range, making it well suited for a wide variety of commercial heating and cooling environments.
Key Features
- Direct acting (DA) pneumatic operation — output pressure increases as temperature rises
- 55–85°F temperature sensing range for broad commercial application coverage
- 2-pipe pneumatic system design for simplified installation and reliable signal delivery
- Built to KMC Controls’ commercial-grade quality standards for long-term reliability
- Suitable for use in building automation and pneumatic HVAC control systems
Direct Acting Operation
In a direct acting configuration, the thermostat increases its output signal pressure as the sensed temperature rises. This makes the CTC-1621 ideal for cooling applications where higher temperatures should call for increased valve or damper action.
2-Pipe Pneumatic System Compatibility
The CTC-1621 is designed for 2-pipe pneumatic systems, which use a single main air supply line and a single branch line to the controlled device. This straightforward architecture reduces installation complexity while maintaining accurate and responsive control.
Commercial HVAC Applications
- Commercial office buildings and multi-zone facilities
- Fan coil unit control
- VAV and constant volume air handling systems
- Pneumatic zone temperature control
- Retrofit and replacement of existing pneumatic thermostats
Product Specifications
- Brand: KMC Controls
- Model: CTC-1621
- SKU: CTC-1621-KR
- Action Type: Direct Acting (DA)
- Control Type: Pneumatic
- Temperature Range: 55–85°F
- System Type: 2-Pipe
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