Description
The KMC Controls CTC-1621 is a direct acting (DA) pneumatic thermostat engineered for precise temperature control in commercial and industrial HVAC applications. Designed for two-pipe pneumatic systems, this thermostat delivers dependable, air-powered control without the need for electrical power at the sensing point — making it an ideal solution for retrofit and new-construction projects where pneumatic infrastructure is already in place.
Key Features
- Direct acting (DA) operation — output pressure increases as temperature rises
- Temperature control range of 55°F to 85°F, suited for occupied comfort zones
- Two-pipe pneumatic design for main air supply and branch signal
- Reliable pneumatic sensing for consistent, stable zone control
- Compact thermostat body designed for standard wall-mount installation
- Compatible with KMC Controls pneumatic control systems and accessories
Direct Acting Pneumatic Operation
In a direct acting configuration, the branch (output) pressure increases proportionally as the sensed temperature rises. This makes the CTC-1621 well suited for cooling applications where higher temperatures should drive increased pneumatic output to open cooling valves or modulate dampers accordingly.
Two-Pipe System Compatibility
The CTC-1621 operates on a standard two-pipe pneumatic circuit, utilizing a main air supply line and a branch signal line. This configuration is common in commercial buildings with existing pneumatic controls infrastructure, enabling straightforward integration without major system modifications.
Specifications
- SKU: CTC-1621
- Brand: KMC Controls
- Action: Direct Acting (DA)
- Control Type: Pneumatic Thermostat
- Temperature Range: 55°F – 85°F
- System Type: 2-Pipe Pneumatic
- Application: Commercial / Industrial HVAC Zone Control
Why Choose KMC Controls?
KMC Controls is a trusted name in building automation and pneumatic control, offering a comprehensive line of thermostats, controllers, and accessories for commercial HVAC systems. The CTC-1621 reflects KMC’s commitment to quality, reliability, and compatibility across a wide range of pneumatic control applications.
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