INSTALLATION INSTRUCTIONS
62-0278-01
TB6575/TB8575 SuitePRO™
Digital Fan Coil Thermostats
PRODUCT DESCRIPTION
The SuitePRO™ is a family of Digital Fan Coil thermostats for
residential and commercial applications such as hotels,
condominiums, school classrooms, etc.
Three models are available for your application:
• TB6575A1000 – 2-pipe or 4-pipe with seasonal/manual/
automatic heat/cool changeover; 120/240 Vac.
• TB6575B1000 – 2-pipe only with seasonal or manual heat/
cool changeover; 120/240 Vac.
• TB8575A1000 – 2-pipe or 4-pipe with seasonal heat/cool
changeover; 24Vac.
All three models are suitable for multiple applications. Changes
in output wiring and external links between wiring terminals
allow you to configure the thermostat for the appropriate
application.
The applications that are available are:
• Heating or Cooling only
• Two pipes: Heat or Cool with Manual Changeover
• Two pipes: Heat or Cool with Seasonal Changeover
(requires optional pipe sensor)
• Two pipes: Heat or Cool with Auxiliary Heat and Manual or
Seasonal Changeover (requires optional pipe sensor)
• Four pipes: Mixed Manual and Auto Changeover
• Four pipes: Manual Changeover
• Four pipes: Auto Changeover
The fan is controlled from the thermostat. The Low, Mid, High, or
Auto fan settings are easily made with a press of a key.
Valves and auxiliary electric heaters can be controlled using a
relay or contactor controlled by the system switch.
FEATURES
• Simple, intuitive user interface.
• Pre-installed lead wires for fast installation (TB6575A
and TB6575B models only)
• Backlight display permits easy viewing in any light.
• Four buttons allow manual control of system operation,
fan speed, and temperature setpoint adjustment.
• Digital display of ambient temperature, setpoint, heating
or cooling mode, fan status, and remote setback
• Proportional plus Integral (P+I) control algorithm for
precision temperature regulation.
• Adjustable deadband for auto changeover using the
Heat and Cool setpoint settings.
• Adjustable maximum heating and minimum cooling
setpoint limits using range stops.
• Installer Setup mode allows changes of operating
parameters.
• EEPROM permanently retains user settings, including
setpoints, during power loss (no batteries required).
• Selectable °C or °F display via Installer Setup.
• Displayable pipe sensor temperature readout to aid in
troubleshooting.
• Automatic pipe purge of five minutes, once every 24
hours, to ensure unrestricted flow (only when used with
optional pipe sensor).
• Fan motor always begins on high speed to ensure
sufficient torque at startup.
• Option to wire a remote indoor temperature sensor.
• Freeze protect algorithm turns on heat when needed.
• Energy Saving Options:
• Activity Sensing- sets back thermostat to Economy
mode when there is no activity with the thermostat
(4, 12, or 24 hours selectable).
• Remote Setback Inputs- receives dry contact input
from a time switch, occupancy sensor, or hotel card
key to set back thermostat to Economy mode.
• Auto Fan Reset - eliminates the fan from being run
all the time by automatically setting the fan to Auto
(2 or 4 hour selectable).
• VersaSpeed™ fan ramp algorithm automatically
adjusts fan speed (low, medium, and high).
Contents
Product Description ................................................... 1
Features .................................................................... 1
Specifications ............................................................ 2
Ordering Information ................................................. 2
Installation ................................................................. 3
Setup ......................................................................... 9
Operation .................................................................. 12
Troubleshooting ......................................................... 14
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