Honeywell TB8575 Manuale Utente

62-0311—13

The TB6575 and TB8575 are a family of Digital Fan Coil 

thermostats for residential and commercial applications 

such as hotels, condominiums, school classrooms, etc.
Four models are available for your application:

• TB6575A1016 – 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.

• TB6575C1016 – 2-pipe or 4-pipe with seasonal/

manual/automatic heat/cool changeover; 120/240/

277 Vac.

• TB8575A1016 – 2-pipe or 4-pipe with seasonal heat/

cool changeover; 24Vac.

All four 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, 

Medium, 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.