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KMC Controls CTC-1631/1632 Two-Pipe, Deadband, Room Thermostat, Direct and Reversing Acting

Two-Pipe, Deadband, Room Thermostat, Direct and Reversing Acting

The CTC-1631/1632 thermostats are designed for proportional control of pneumatic valve and damper actuators used in HVAC systems. A temperature span may be set so the system uses no energy for either heating or cooling between selected setpoints. For accuracy and stability, they utilize highly sensitive bimetal elements with feedback and a pilot bleed relay.

Select model for direct or reverse acting proportional action. The throttling range is factory set and field adjustable.

Item is pictured with optional cover and scale plate assembled. The scale plate assembly and a cover must be ordered separately (see Accessories).

Select a link under the "item" tab below to order.

Cat #Descriptions
CTC-1631Direct Acting
CTC-1632Reverse Acting
Setpoint Range 55 to 85° F (13 to 29° C), adjustable via slider; adjustment may be concealed and locked or limited
Throttling Range 3 to 12° F (1.7 to 6.7° C) factory set @ 3° F, field adjustable up to 12° F
Deadband Pressure 8 psig (55 kPa), field adjustable
Supply Pressure 20 psig (138 kPa) nominal; 30 psig (207 kPa) maximum
Capacity 200 scim (55 mL/s)
Consumption 20 scim (5.5 mL/s)
Base Material Black flame retardant plastic
Temperature Limits
Operating 40 to 120° F (4 to 49° C)
Shipping –40 to 140° F (–40 to 60° C)

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