Honeywell ELECTRONIC THERMOSTATS T8401C- Manuals

T8401C ELECTRONIC THERMOSTATS 69-1483—1 2 Fig. 2. Typical location of thermostat. This thermostat is a precision instrument and was carefully adjusted at the factory. Handle it carefully. Mounting Wallplate to Wall IMPORTANT Level only for appearance. The thermostat func- tions normally even when no...

T8401C ELECTRONIC THERMOSTATS 3 69-1483—1 Setting Fan Operation (Fuel) Switch The fan operation (fuel) switch is preset at the factory in the F position. See Fig. 4. This is the correct setting for most systems. If this system is an electric heat system, set the switch to the E position. The E setti...

T8401C ELECTRONIC THERMOSTATS 69-1483—1 4 Fig. 7. T8401 with TotalZone or MABS EZ control panels (all zones) . Fig. 8. T8401 with MM-2 or MM-3 panels (zone one). Fig. 9. T8401 with MABS II and MABS IIL control panel (zone one). Mounting Thermostat to Wallplate 1. Engage the tabs at the top of the th...