13 Simple Johnson Controls Thermostat Wiring Diagram Pictures
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Simple Johnson Controls Thermostat Wiring Diagram Pictures - On a heating system these wires will visit two thermostat connections at the number one controller inclusive of an aquastat or air handler control that activates the heating unit. Depending at the form of heating system, the thermostat, performing absolutely as an "on-off" transfer will. Newer thermostats that depend on different sensor and switch designs do now not have this sensitivity to being out of degree and some (along with the 3m-22 thermostat) notice of their installation commands that the thermostat does not need to be level.
Our image (above left) illustrates the red (r) and white (w) twine connections in a easy two twine heating control thermostat hookup using the honeywell rth2300/rth221 series programmable wall thermostat. Right here is a duplicate of the honeywell rth2300/rth221 collection programmable thermostat proprietors manual [pdf]. We offer honeywell, white rodgers & other thermostat wiring diagrams and explanation displaying how to cord a room thermostat, which include simply what connections to make and how wires and connectors are coloration coded to make things easy.
Be aware: the thermostat on this hvac/r set-up is really performing as an "on-off" switch to turn the heater or air conditioner on or off in reaction to room temperature. The electrician may additionally have run a multi-cord set of low voltage wires thru the partitions of the building between the low voltage transformer and the thermostat (and so forth), however on this easy set up the alternative wires on the thermostat aren't being used. In thermostats that still manage a cooling device, a second set of contacts will make or close on temperature upward push. This 2nd set of contacts will also be used to function other controls or valves in some heating structures.