Installation Instructions
Page 1
... Vac. • TB6575B1000 - 2-pipe only with seasonal or manual heat/cool changeover; 120/240 Vac. • TB8575A1000 - 2-pipe or 4-pipe with VersaSpeed™ fan ramp algorithm and Auto Fan Reset Contents Product Description 1 Features 1 Specifications 2 Installation 3 Setup 10 Operation 14 Troubleshooting 17 Place Bar Code Here 62-0311-05 TB6575/TB8575 Digital Fan Coil Thermostats PRODUCT...
... Vac. • TB6575B1000 - 2-pipe only with seasonal or manual heat/cool changeover; 120/240 Vac. • TB8575A1000 - 2-pipe or 4-pipe with VersaSpeed™ fan ramp algorithm and Auto Fan Reset Contents Product Description 1 Features 1 Specifications 2 Installation 3 Setup 10 Operation 14 Troubleshooting 17 Place Bar Code Here 62-0311-05 TB6575/TB8575 Digital Fan Coil Thermostats PRODUCT...
Installation Instructions
Page 9
... the subbase, refer to pull the thermostat straight away from the thermostat. 3. Turn off the thermostat by pressing the system button until OFF displays. 2. TB6575/TB8575 DIGITAL FAN COIL THERMOSTATS R W/Y VALVE Y/A GI Gm FAN Gh 24 VAC L1 (HOT) C L2 1 Rs REMOTE SENSOR Sc SB ...REMOTE SETBACK Ps PIPE SENSOR 1 POWER SUPPLY. M27576 Fig. 17. R W/Y HEAT VALVE Y/A COOL VALVE GI Gm FAN L1 Gh 24 VAC (HOT) C...
... the subbase, refer to pull the thermostat straight away from the thermostat. 3. Turn off the thermostat by pressing the system button until OFF displays. 2. TB6575/TB8575 DIGITAL FAN COIL THERMOSTATS R W/Y VALVE Y/A GI Gm FAN Gh 24 VAC L1 (HOT) C L2 1 Rs REMOTE SENSOR Sc SB ...REMOTE SETBACK Ps PIPE SENSOR 1 POWER SUPPLY. M27576 Fig. 17. R W/Y HEAT VALVE Y/A COOL VALVE GI Gm FAN L1 Gh 24 VAC (HOT) C...
Installation Instructions
Page 11
... 80°F. 90 Changes to Heat when pipe sensor temperature is on Notes TB6575A, TB8575A only TB6575A, TB8575A only Allows auxiliary heat to turn on page 13 for the System Type in ISU code #2 is 50°F to 72°F. Table 4. TB6575A, TB8575A only Enables or... Changeover (requires optional pipe sensor) 4 Four pipes: Manual Changeover 5 Four pipes: Auto Changeover 6 Two pipes: Heat or Cool; Setup TB6575/TB8575 DIGITAL FAN COIL THERMOSTATS M27585 Fig. 24. ISU Option Option Description (Default value shown in test mode (see "Installer Test (IT) Mode" on when pipes have cold...
... 80°F. 90 Changes to Heat when pipe sensor temperature is on Notes TB6575A, TB8575A only TB6575A, TB8575A only Allows auxiliary heat to turn on page 13 for the System Type in ISU code #2 is 50°F to 72°F. Table 4. TB6575A, TB8575A only Enables or... Changeover (requires optional pipe sensor) 4 Four pipes: Manual Changeover 5 Four pipes: Auto Changeover 6 Two pipes: Heat or Cool; Setup TB6575/TB8575 DIGITAL FAN COIL THERMOSTATS M27585 Fig. 24. ISU Option Option Description (Default value shown in test mode (see "Installer Test (IT) Mode" on when pipes have cold...
Installation Instructions
Page 17
... heating equipment. For TB6575A/B: (Heat On is functional. If 120/240 Vac is present, the thermostat is solid in 1. If voltage is incorrect. TB6575/TB8575 DIGITAL FAN COIL THERMOSTATS TROUBLESHOOTING Table 8 provides troubleshooting information. Troubleshooting. Verify selection is not present, check wire connection (loose or broken) between the heat terminal (W) and transformer common... or the to find the cause of the transformer between thermostat and heating equipment. matches the installed heating and/or cooling equipment. Heat does not turn on . Table 8.
... heating equipment. For TB6575A/B: (Heat On is functional. If 120/240 Vac is present, the thermostat is solid in 1. If voltage is incorrect. TB6575/TB8575 DIGITAL FAN COIL THERMOSTATS TROUBLESHOOTING Table 8 provides troubleshooting information. Troubleshooting. Verify selection is not present, check wire connection (loose or broken) between the heat terminal (W) and transformer common... or the to find the cause of the transformer between thermostat and heating equipment. matches the installed heating and/or cooling equipment. Heat does not turn on . Table 8.
Installation Instructions
Page 18
... selection is not Set the Installer Setup code #2 to Heat and set the temperature set below the room temperature. TB6575/TB8575 DIGITAL FAN COIL THERMOSTATS Table 8. Check for 120/240 Vac between the thermostat and the cooling equipment. For TB875A: 1. former common. Loose ...Check that the Installer Setup code #2 (System Type) value matches the installed heating and/or cooling equipment. Heating equipment does not turn Cooling equipment failure. Setup code #2) is not set to find the cause of the transformer between thermostat and cooling equipment. System ...
... selection is not Set the Installer Setup code #2 to Heat and set the temperature set below the room temperature. TB6575/TB8575 DIGITAL FAN COIL THERMOSTATS Table 8. Check for 120/240 Vac between the thermostat and the cooling equipment. For TB875A: 1. former common. Loose ...Check that the Installer Setup code #2 (System Type) value matches the installed heating and/or cooling equipment. Heating equipment does not turn Cooling equipment failure. Setup code #2) is not set to find the cause of the transformer between thermostat and cooling equipment. System ...