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TB6575A, TB6575B, and TB8575A are a family of Digital Fan-Coil thermostats, that provide line/low voltage on/off control for various fan-coil units in residential and commercial applications. Great for use in hotels, condos, and school classrooms.

Product Features
  • Simple, intuitive user interface and ease of installation.
  • Attractive modern styling ideal for hotels and condos.
  • Digital display of ambient temperature, setpoint, mode icons when cooling or heating relays operate, when energy savings mode is active, and fan status.
  • Four buttons allow manual control of system operation, fan speed, and temperature setpoint adjustment.
  • VersaSpeed ™ Fan Ramp Algorithm automatically adjusts Low, Medium, High fan speed.
  • Optional freeze protection feature that turns on heat, if necessary.
  • Activity sensing algorithm sets back thermostat to economy mode.
  • Auto fan rest option sets back fan to auto mode.
  • Energy savings mode -- external energy savings input from dry contact such as time switch, occupancy sensor, or hotel cardkey overrides comfort setpoint with selectable setback heating or cooling setpoints.
  • Energy savings input configurable as a normally open or normally closed dry contact.
  • Proportional plus integral (P+I) control algorithm for precision temperature regulation. Selectable C or F.
  • Adjustable deadband, in auto changeover mode, for heat and cool control.
  • Adjustable maximum heating and minimum cooling setpoint limits.
  • Installer setup mode allows changes of operating parameters.
  • EEPROM permanently retains user settings, including setpoints, during power loss (no batteries required).
  • Capability to display temperature sensor failure for easier troubleshooting.
  • Optional remote temperature sensor and remote pipe sensor.

  • Application: 2 or 4 pipe fan coil, Heat/Cool manual/auto changeover, 3-speed fan, 120 - 240 Vac
  • Dimensions (in.): 3 13/16 ". high x 5 13/16". wide x 1 1/8" deep
  • Includes: Integral Temperature and Humidity Sensors, 3 UIs, 2 AOs, 6 Relays
  • Used With: Compatible with WEBs-AX
  • Mounting: Horizontal mounting on 2 x 4 in. (50 mm x 75 mm) single gang electrical box. Vertical mounting 2 x 4 in. or 4 x 4 in junction box with optional wall plate
  • Frequency: 50 Hz; 60 Hz
  • Stages: Up to 2 Aux Heat/1 Comp Heat Pumps; Up to 2 Heat/2 Cool Conventional Systems, 1 Heat/1 Cool Fan Coil Units
  • Electrical Ratings: 120 Vac, Fan Rating: 6.0 A, Relay Rating: 1.0 A; 240 Vac, Fan Rating: 3.0 A, Relay Rating: 1.0 A
  • Operating Humidity Range (% RH): 5 to 95% RH, non-condensing
  • Supply Voltage: 120 Vac ± 10%; 240 Vac ± 10%
  • Switch Positions (System): OFF-HEAT-COOL-AUTO
  • Switch Positions (Fan): HI-MED-LOW-AUTO-OFF
  • Setting Temperature Range (F):0 F to 120 F
  • Operating Temperature Range (C): -17 C to 48.9 C
  • Shipping and Storage Temperature Range (F): 50 F to 90 F
  • Shipping and Storage Temperature Range (C): 10 C to 30 C
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Manuals (2)
Heat Pump
Multi Stage (Heat/Cool)
1 Heat/1 Cool
Auto Changeover
Fan Control
Premier White
Humidity Control:
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