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Johnson Controls TEC260x-4 and TEC260x-4+PIR Series BACnet® MS/TP Networked Thermostat Controllers

BACnet® MS/TP Networked Thermostat Controllers
TEC260x-4 and TEC260x-4+PIR Series

The TEC260x-4 and TEC260x-4+PIR Series Thermostat Controllers are BACnet® Master-Slave/Token-Passing (MS/TP) networked devices that provide control of rooftop units (with or without economizers), heat pumps, and single- and multi-stage heating/cooling equipment. The TEC260x- 4+PIR Series Thermostat Controllers have occupancy sensing capability built into the device. These devices provide energy savings in high-energy usage light commercial buildings such as schools and hotels. The devices maximize these energy savings by using additional setpoint strategies during occupied times.

The technologically advanced TEC260x-4 and TEC260x-4+PIR Series Thermostat Controllers feature a Building Automation System (BAS) BACnet MS/TP communication capability that enables remote monitoring and programming for efficient space temperature control.

The TEC260x-4 and TEC260x-4+PIR Series Thermostat Controllers feature an intuitive user interface with backlit display that makes setup and operation quick and easy. The thermostats also employ a unique, Proportional-Integral (PI) time-proportioning algorithm that virtually eliminates temperature offset associated with traditional, differential-based thermostats.

• BACnet MS/TP communication—provides compatibility with a proven communication network; BACnet MS/TP is widely accepted by Heating, Ventilating, and Air Conditioning (HVAC) control suppliers
• onboard occupancy sensor (Passive Infrared [PIR] Models)—provides energy savings without additional installation time and cost
• password protection option—provides against unwanted thermostat controller tampering
• backlit Liquid Crystal Display (LCD)—offers real-time control status of the environment in easy-to-read, English 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
• five easy-to-use interface keys—allow for easy commissioning of the thermostat, and eliminate the need for DIP switches
• two configurable digital inputs—provide additional inputs for advanced functions such as remote night setback, occupancy override, and service or filter alarms
• over 20 configurable parameters—enable the thermostat to adapt to any application, allowing installer parameter access without opening the thermostat cover
• optional discharge air sensor—monitors unit efficiency
• economizer output (TEC2604-4 and TEC2604-4+PIR models)—provides control of economizer operation for singleand multi-stage unitary rooftop equipment

Power Requirements 19 to 30 VAC, 50/60 Hz, 2 VA (Terminals RC and C) at 24 VAC Nominal, Class 2 or Safety Extra-Low Voltage (SELV)
Economizer Output Rating
(TEC2604-4 and TEC2604-4+PIR Models)
0 to 10 VDC into 2k ohm Resistance (Minimum)
Relay/Triac Contact Rating 19 to 30 VAC, 1.0 A Maximum, 15 mA Minimum, 3.0 A In-Rush, Class 2 or SELV
Digital Inputs Voltage-Free Contacts across Terminal C to Terminals DI1 and DI2
Wire Size 18 AWG (1.0 mm Diameter) Maximum, 22 AWG (0.6 mm Diameter) Recommended
MS/TP Network Guidelines 32 Devices Maximum; 4,000 ft (1,219 m) Maximum Cable Length
Thermostat Measurement Range -40.0°F/-40.0°C to 122.0°F/50.0°C
Sensor Type Local 10k ohm Negative Temperature Coefficient (NTC) Thermistor
Resolution ±0.2F°/±0.1C°
Control Accuracy ±0.9F°/±0.5C° at 70.0°F/21.0°C Typical Calibrated
Temperature Range Backlit Display -40.0°F/-40.0°C to 122.0°F/50.0°C
Heating 40.0°F/4.5°C to 90.0°F/32.0°C in 0.5° Increments
Cooling 54.0°F/12.0°C to 100.0°F/38.0°C in 0.5° Increments
Minimum Deadband 2F°/1C° between Heating and Cooling
Ambient Conditions Operating 32 to 122°F (0 to 50°C); 95% RH Maximum, Noncondensing
Storage -22 to 122°F (-30 to 50°C); 95% RH Maximum, Noncondensing
Compliance United States UL Listed, 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 Listed, File E27734, CCN XAPX7,
Under CAN/CSA C22.2 No. 24, Temperature Indicating and Regulating Equipment
Industry Canada, ICES-003
Europe CE Mark, EMC Directive 2004/108/EC
Australia and New Zealand C-Tick Mark, Australia/NZ Emissions Compliant
BACnet International BACnet Testing Laboratories™ (BTL) 135-2001 Listed BACnet Application Specific Controller (B-ASC)
Shipping Weight TEC260x-4 Models 0.75 lb (0.34 kg)
TEC260x-4+PIR Models 0.77 lb (0.35 kg)


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