Currently i have 3 wires blue yellow and red. The dt90e digital room thermostat has been designed to provide automatic temperature control of gas or oil fired boiler systems underfloor heating electric heating and zoning systems.

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Honeywell dt90e room thermostat wiring diagram. Energy efficiency is addressed by state of the art tpi. The earthneutral wire needs to be made safe and isolated. T6360 thermostat pdf manual download. The live wire needs to be connected to terminal a of the thermostat. The wiring for the dt90e is as follows. The dt90e has an eco button energy saving feature which gives timed setback or boosts temperatures to reduce energy demand.
The blue is inline with a resistor and then tied to the yellow which is then connected to what i assume is the thermistor. Its large display and simple button interface make dt90 extremely easy to use. View and download honeywell t6360 installation instructions online. I am unsure about the wiring compatibility and wondered if someone could clarify please. Easiest way would be to find the wiring diagram for the old thermostat probably inside the lid and identify the cable cores by the terminal they are connected to. I am unsure about the wiring compatibility and wondered if someone could clarify please.
Currently i have 3 wires blue yellow and red. Wiring diagrams contains all the essential wiring diagrams across our range of heating controls. I am replacing an old dial honeywell room stat 42003840 001 with a digital dt90e. Digital room thermostat product specification sheet the new dt90 family of digital room thermostats is a range of market leading products designed to provide comfort with economy in modern heating systems. Assuming your controller is the dt90e model the instructions to which i have just looked at. I am replacing an old dial honeywell room stat 42003840 001 with a digital dt90e.
The blue is inline with a resistor and then tied to the yellow which is then connected to what i assume is the thermistor. Pete combicert 10245 views. Our wiring diagrams section details a selection of key wiring diagrams focused around typical sundial s and y plans. The switch live wire needs to be connected to terminal b of the thermostat. Improve your central heating performance fit a digital room stat duration. Wiring hive thermostat to combi boiler duration.