Network and Wireless

KTEC Zoning System

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KTEC Zoning System

Kele Constant Volume Zoning System KTEC Zoning System

Kele Constant Volume Zoning System


The technologically advanced Kele KTEC Zoning Control System provides efficient space temperature control for constant volume zoning systems in multi-zone heating and cooling applications. This cost-effective zoning control system can operate as a stand-alone system, or it can be mapped into a supervisory controller via a BACnet, Master-Slave/Token-Passing (MS/TP) Bus to enable remote monitoring and programmability within a Building Automation System (BAS).


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  • Fully scalable zoning control system meets the requirements of small and large zoning control systems
  • BACnet MS/TP communication provides compatibility with a proven communication network
  • True stand-alone zoning control system offers additional application flexibility
  • Backlit Display offers real-time control status of the environment in easy-to-read, English plain text messages with constant backlight that brightens during user interaction
  • Simplified setpoint adjustment enables the user to change the setpoint by simply pressing the UP/DOWN arrow keys
  • Configurable binary inputs provide additional inputs for advanced functions such as remote night setback, service or filter alarms, motion detector, and window status
  • Over 20 configurable parameters enable the zoning control system to adapt to applications with varying requirements, allowing installer parameter access without opening the controller cover

Supply Voltage:19 to 30 VAC @ 2 VA, 50/60 Hz

Accuracy:±0.9°F (±0.5°C) at 70°F (21°C)

Analog Input:

 :KTEC2647Z Resistive inputs (RS and UI3) for 10kΩ Type II thermistor

 :KTEC2664Z Resistive inputs (RS, OS, and DS) for 10kΩ Type II thermistor

Analog Output:0 to 10 VDC into 2kΩ resistance load (minimum)

Digital Inputs:

 :KTEC2647Z Dry contacts across terminal scom to terminals BI1 and BI2

 :KTEC2664Z Dry contact across terminal scom to terminal BI1

Auxiliary Contacts:Triac output 19 to 30 VAC, 15 mA to 1 A continuous current, 3A peak in-rush current

Static Pressure:0 to 5 VDC for full static pressure range selected

Sensor Type:10k ohm NTC thermistor (Local)

Setpoint Range:

 :Heating 40° to 90°F (4.5° to 32°C)

 :Cooling 54° to 100°F (12° to 37.5°C)

Deadband:2°F (1°C)

Number of Zones:31 zones maximum per 1 rooftop controller

Operating Temperature: 32° to 122°F (0° to 50°C)

 :Display -40° to 122°F (-40° to 50°C) in 0.5° increments

Operating Humidity:0 to 95% RH (non-condensing)

Dimensions:4.9"H x 3.4"W x 1.1"D (12.5 x 8.6 x 2.9 cm)

Weight:0.75 lb (0.34 Kg)


 :United States UL FIle #E27734, CCN XAPX, Under UL 873, Temperature Indicating and Regulating Equipment FCC Compliant to CFR 47, Part 15, Subpart B, Class A

 :Canada UL FIle #E27734, CCN XAPX7, Under CAN/CSA C22.2 No. 24

Warranty:3 years