Lennox FLEXY FX 025 Application Manual page 30

ELECTRICAL DATA
CUSTOMER CONNECTION WITH TCB
(1) Custom
(2) Probe
(3) Sensor 4/20 mA
• 28 •
- WIRING DIAGRAMS
CUSTOM input
if link up to 30 meters, use an auxiliary relay
Application Guide • FLEXY FX-AGU-1112-E