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Situation B: MY THERMOSTAT LINKS TO TH/TR/TH-TR. IF YOU’VE GOT A SUPPLEMENTARY CABLE

Situation B: MY THERMOSTAT LINKS TO TH/TR/TH-TR. IF YOU’VE GOT A SUPPLEMENTARY CABLE

When your thermostat cables hook up to terminals marked Th, Tr, and Th-Tr, these are generally likely connecting to a fuel valve.

Nevertheless, you will have to locate the cables linking to your fuel valve and follow them towards the 24VAC transformer for the heating gear to recognize where your “C” connection will soon be. In the event that you need advice about this, be sure to contact ecobee help.

Merely link the free cable into the connection point that is common.

IF NO EXTRA is had by you WIRES

You have two options if you do not have any additional wires:

    • Run a wire that is additional your thermoregulator down to your gear
  • Buy and install a Fast-Stat Common Maker

ALTERNATE SOLUTION: 24VAC PLUG-IN TRANSFORMER

Another solution is always to power the ecobee by having a outside plug-in transformer that is 24VAC.

This transformer is attached to a wall, and is wired the following:

  • The 24VAC transformer cables would hook up to RC and C in the ecobee
  • The 2 cables in your old thermostat would connect to RH and W1 in the ecobee

NOTE: Ensure the transformer can perform 24V AC production ( perhaps maybe maybe not DC production)

Situation C:MY THERMOSTAT LINKS TO T/T TERMINALS

In case your thermostat wires connect with T/T terminals, keep in mind that you’ll need a different transformer that is 24VAC power the ecobee. It’s also possible to need components that are additional.

T/T connections usually suggest an association to a device referred to as an Aquastat.

IF AN EXTRA is had by you CABLE

When you have a supplementary wire, you will need an isolation relay and an independent 24VAC transformer.

ecobee calls for an isolation relay with a 24vac coil and Normally Open (N/O) connections.

IF NO EXTRA is had by you WIRES

For those who have no additional cables, you will need both a Fast-Stat Common Maker and a split transformer that is 24VAC

ALTERNATE SOLUTION: 24VAC PLUG-IN TRANSFORMER

A different would be to power the ecobee having a outside plug-in transformer that is 24VAC.

This transformer could be connected to a wall surface, and will be wired the following:

  • The 24VAC transformer cables would hook up to RC and C in the ecobee
  • The 2 cables on your own old thermostat would connect with RH and W1 regarding the ecobee

NOTE: make sure the transformer can perform mail order brides 24V AC output ( perhaps perhaps maybe not DC production)

NOTE (2): Some T/T connections might not work reliably whenever linked straight to the Rh and W1 terminals regarding the ecobee. If so, a 24 VAC transformer and isolation relay in the gear part will be necessary (see details under “IF YOU HAVE AN ADDITIONAL WIRE” above).

For those who have a couple of thermostats managing your home heating:

In case the home heating is controlled by significantly more than one thermoregulator, your body most most most likely has area valves or even an area control relay.

Please touch base to ecobee help because of the after information in purchase to ascertain compatibility and appropriate installation directions:

  • Exactly just How many thermostats you have actually as a whole for the home heating
  • Photos regarding the wiring at each thermostat
  • Photos of this wiring at any area valves or area panels
  • The make and model of every area valve and/or area panels
  • The amount of additional cables which are behind the wall surface at each thermostat

Some commonly used brand names for zone valves/zone control equipment include if you are having difficulty identifying your zone valves or zone boards

  • Taco
  • Honeywell
  • Erie
  • Energy Kinetics

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