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ComfortVu™ BACnet® Standard Thermostat
TB-24-C

24Vac Standard Models

TB-24-C, TB24-HM-C

Carrier’s ComfortVu™ BACnet thermostats offer local control of a building’s heating, ventilating and air-conditioning (HVAC) system as well as remote control from any BACnet-compliant building management system (BMS), including Carrier’s i-Vu® building automation system.

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carrier-bacnet-testing-laboratories
  • Large, backlit LCD display
  • Touchscreen occupant controls
  • Support for Celsius or Fahrenheit
  • BACnet MS/TP port for easy integration with i-Vu system or any BACnet-compliant BMS
  • On-board DIP switches to configure equipment type and sequence of operation
  • 2 universal inputs, 2 analog outputs, and 6 digital outputs
  • Available in two 24 Vac models:
    Temperature (TB24-C)
    Temperature/Humidity/PIR Motion (TB24-HM-C)

Supported Functions

  • Manage 7-day schedules via the thermostat
  • Manage setpoints, occupancy status, fan speed, and heating/cooling mode via the thermostat or BACnet BMS
  • Support for Title 24 demand response/economizer FDD and IECC2015 economizer FDD when connected to a BMS

Equipment Compatibility

  • Rooftop Units
  • Heat Pumps
  • Fan Coils
  • Exhaust Fans
  • Unit Heaters

Supported Applications (depends on available I/O)

  • Up to 3 stages of heat / 2 stages of cool
  • 2 pipe / 4 pipe cooling / heating valves (0-10V)
  • Up to 3 fan speeds
  • VFD (0-10V)
  • Economizer (open/close)
  • Reversing valve
  • Humidifier (0-10V) / Reheat (dehumidify)
Power Requirements 24 Vac ±15%: 4VA unit, 76 VA full load
Communication BACnet MS/TP with baud rates up to 76.8 kbps, detected and set automatically by the BACnet Thermostat. Max 127 devices.
Real-time Clock Real-time clock keeps track of time in the event of a power failure for up to 7 days
Display Backlit Touchscreen, °F or °C Selectable
Sensing Element Temperature: Range: 41° F to 95° F (5° C to 35° C) Accuracy: ±1.0° F (0.5° C)
Humidity: Range: 10% to 90% Accuracy: ±3.0% typical
Motion Sensing Sensor Type: PIR, quad, omnidirectional
Distance: 16.4 feet (5m)
Detection range: (HxV) 90° x 30°
Movement speed: 2.62 to 3.94 ft/s (0.8 to 1.2 m/s)
Detection object: 15.75 x 9.84 in. (400 x 250 mm)
Inputs T1, 0 – Normally open or normally closed dry contract, or 0-10 Vdc analog input, or 50 kOhm thermistor @ 25°C
A, B - Communication +/- (RS485)
In1, 0 - Normally open or Normally closed dry contract, or 0-10 Vdc analog input, or 50 kOhm thermistor @ 25°C
C, R - Power: 24 Vac for part numbers TB-24-C and TB-24-HM-C, or 110-220 Vac line voltage for part numbers TB-C and TB-HM-C
Outputs 11, 12, 13 – Digital outputs, 3A
14 – Digital outputs 0.3A
15, 16 - Digital Output 0.3A or Analog output 0-10 Vdc, 5 mA max., not isolated
Environmental Operating Range 50° to 122°F (10° to 50°C), 10 to 90% relative humidity, non-condensing
Compliance United States of America: FCC CFR47, Chapter 1, Subchapter A, Part 15, Class B
Canada: Industry Canada Compliant, ICES-003, Class B
Europe: Mark Low Voltage Directive: 2014/35/EU RoHS Compliant: 2011/65/EU
Australia and New Zealand: C-Tick Mark, AS/NZS 61000-6-3
CA Prop 65 Warning: This product can expose you to chemicals including Styrene and 1,3 – Propane sultone, which are known to the State of California to cause cancer. Go to www.p65warnings.ca.gov.
  • Large, backlit LCD display
  • Touchscreen occupant controls
  • Support for Celsius or Fahrenheit
  • BACnet MS/TP port for easy integration with i-Vu system or any BACnet-compliant BMS
  • On-board DIP switches to configure equipment type and sequence of operation
  • 2 universal inputs, 2 analog outputs, and 6 digital outputs
  • Available in two 24 Vac models:
    Temperature (TB24-C)
    Temperature/Humidity/PIR Motion (TB24-HM-C)

Supported Functions

  • Manage 7-day schedules via the thermostat
  • Manage setpoints, occupancy status, fan speed, and heating/cooling mode via the thermostat or BACnet BMS
  • Support for Title 24 demand response/economizer FDD and IECC2015 economizer FDD when connected to a BMS

Equipment Compatibility

  • Rooftop Units
  • Heat Pumps
  • Fan Coils
  • Exhaust Fans
  • Unit Heaters

Supported Applications (depends on available I/O)

  • Up to 3 stages of heat / 2 stages of cool
  • 2 pipe / 4 pipe cooling / heating valves (0-10V)
  • Up to 3 fan speeds
  • VFD (0-10V)
  • Economizer (open/close)
  • Reversing valve
  • Humidifier (0-10V) / Reheat (dehumidify)
Power Requirements 24 Vac ±15%: 4VA unit, 76 VA full load
Communication BACnet MS/TP with baud rates up to 76.8 kbps, detected and set automatically by the BACnet Thermostat. Max 127 devices.
Real-time Clock Real-time clock keeps track of time in the event of a power failure for up to 7 days
Display Backlit Touchscreen, °F or °C Selectable
Sensing Element Temperature: Range: 41° F to 95° F (5° C to 35° C) Accuracy: ±1.0° F (0.5° C)
Humidity: Range: 10% to 90% Accuracy: ±3.0% typical
Motion Sensing Sensor Type: PIR, quad, omnidirectional
Distance: 16.4 feet (5m)
Detection range: (HxV) 90° x 30°
Movement speed: 2.62 to 3.94 ft/s (0.8 to 1.2 m/s)
Detection object: 15.75 x 9.84 in. (400 x 250 mm)
Inputs T1, 0 – Normally open or normally closed dry contract, or 0-10 Vdc analog input, or 50 kOhm thermistor @ 25°C
A, B - Communication +/- (RS485)
In1, 0 - Normally open or Normally closed dry contract, or 0-10 Vdc analog input, or 50 kOhm thermistor @ 25°C
C, R - Power: 24 Vac for part numbers TB-24-C and TB-24-HM-C, or 110-220 Vac line voltage for part numbers TB-C and TB-HM-C
Outputs 11, 12, 13 – Digital outputs, 3A
14 – Digital outputs 0.3A
15, 16 - Digital Output 0.3A or Analog output 0-10 Vdc, 5 mA max., not isolated
Environmental Operating Range 50° to 122°F (10° to 50°C), 10 to 90% relative humidity, non-condensing
Compliance United States of America: FCC CFR47, Chapter 1, Subchapter A, Part 15, Class B
Canada: Industry Canada Compliant, ICES-003, Class B
Europe: Mark Low Voltage Directive: 2014/35/EU RoHS Compliant: 2011/65/EU
Australia and New Zealand: C-Tick Mark, AS/NZS 61000-6-3
CA Prop 65 Warning: This product can expose you to chemicals including Styrene and 1,3 – Propane sultone, which are known to the State of California to cause cancer. Go to www.p65warnings.ca.gov.