Honeywell 8400 Thermostat Wiring Diagram. Oil primary has its own transformer. System type wallplate terminal.
24vac c wire is required. Thermostat wiring advice. T8400ct8401c heat cool wiring diagram in single transformer system with gas heatelectric cooling.
2 strip insulation to expose about 6 mm of bare wire.
Eitherxor 26 oct 2021. Selecting terminal identifications for system type. 7 hours ago all wiring must wiring diagram thermostat honeywell visionpro th series installation manual the honeywell visionpro with built in wi fi is a touch screen thermostat which allows remote access through a smart phone tablet or computer. See wiring diagrams on pages 15 17 for details.