Honeywell TB6575B1000/U Installation Instructions - Page 8

TB6575/TB8575 DIGITAL FAN COIL THERMOSTATS . L W/Y Y/A GI 1 Gm Gh 2 N Rs Sc SB Ps HEAT VALVE COOL VALVE L (HOT) 5 FAN 3 REMOTE SENSOR REMOTE SETBACK N4 1 REMOVE PRE-WIRED WIRE FROM TERMINAL 5 (MID FAN SPEED). 2 JUMPER TERMINALS 5 AND 6 (MID AND HIGH FAN SPEEDS). FAN MEDIUM SETTING WILL OPERATE ON HIGH SPEED. 3 CONNECT TERMINAL 7 TO THE MID FAN SPEED WIRE FROM THE PREVIOUS SYSTEM. 4 REWIRE THE PREVIOUS MID SPEED FAN WIRE TO THE NEUTRAL CIRCUIT IN THE SYSTEM. 5 CHANGE INSTALLER SETUP IS CODE 9 TO 2 FOR 2 SPEED FAN CONTROL. M31328 Fig. 13. Wiring diagram when missing a wire for electromechanical retrofit (120/240 Vac shown). 24 Vac Wiring Diagrams (TB8575) For the TB8575A1000 model, a 24 Vac Class 2 NEMA rated transformer must be used. R W/Y HEAT VALVE Y/A GI Gm FAN L1 Gh 24 VAC (HOT) C L2 1 Rs REMOTE SENSOR Sc SB REMOTE SETBACK Ps 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. M27573 Fig. 14. Two pipes Heat-only wiring diagram (24 Vac shown). R W/Y COOL VALVE Y/A GI Gm FAN L1 Gh 24 VAC (HOT) C L2 1 Rs REMOTE SENSOR Sc SB REMOTE SETBACK Ps 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. M27574 Fig. 15. Two pipes Cool-only wiring diagram (24 Vac shown). R W/Y VALVE Y/A GI Gm FAN L1 Gh 24 VAC (HOT) C L2 1 Rs REMOTE SENSOR Sc SB REMOTE SETBACK Ps 1 POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. M27575 Fig. 16. Two pipes (Heat or Cool) Manual Changeover wiring diagram (24 Vac shown). 62-0311-05 8