Honeywell TB8575A1000 SuitePRO - 24 Vac,2 or 4 Pipe 3-Speed Fan Coil T-Stat with Manual/Auto Heat or Cool Changeover

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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.


  • 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.

Product Specifications

  • Application-2 or 4 pipe fan coil, Heat/Cool manual/auto changeover, 3-speed fan, 24 Vac
  • Dimensions (in.) - 3 13/16 in. high x 5 13/16 in. wide x 1 1/8 in. deep
  • Dimensions (mm) -97 mm high x 148 mm wide x 29 mm deep
  • Item Type-Product
  • 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 (50033847-001).
  • Electrical Ratings-24 Vac, Fan Rating: 1.0 A, Relay Rating: 1.0 A
  • Frequency-50 Hz; 60 Hz
  • Operating Humidity Range (% RH)-5 to 95% RH, non-condensing
  • Supply Voltage-20 to 30 Vac
  • Switch Positions (System)-OFF-HEAT-COOL-AUTO
  • Switch Positions (Fan)-HI-MED-LOW-AUTO-OFF
  • Approvals, Federal Communications Commission-FCC Part 15, Class B
  • Color-Premier White®
  • Display-LCD
  • Changeover-Auto or Manual
  • Setting Temperature Range (F)-50 F to 90 F
  • Setting Temperature Range (C)-10 C to 30 C
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Warranty Information

1 year seller warranty
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