White the white wire is what connects to the auxiliary heat on your system. Knowing what each thermostat wire does can help in wiring up a new or replacement room thermostat.
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Noma programmable thermostat wiring diagram. Orange this wire connects to your heat pump if you have one. This data can also be helpful if thermostat wires have become mixed up or improperly color coded by allowing you to trace wires back to their control connection point. This article explains just what wire at a room thermostat actually controls. Noma thermostat wiring diagram wiring diagram is a simplified okay pictorial representation of an electrical circuitit shows the components of the circuit as simplified shapes and the knack and signal associates surrounded by the devices. Related manuals for noma thm301m. Green the green wire connects to the fan.
The red wire or 24 vac power lead is connected straight to the rc 4 terminals. Thermostat wire reference chart. The thermostat is the control device that provides a simple user interface with the internal workings of your homes climate control system. Red now there can be two separate wires for this. However your connections may seem a little different on the thermostat itself. Programmable thermostat wiring diagrams 2 wires 3 wires 5 wires.
Page 1 programmable thermostat thm301m model. Fortunately most noma thermostat models are fairly. Many thermostat manufacturers provide detailed installation instructions with their thermostats to make sure you have all the information you need to install the thermostat properlysometimes the instructions that come with the new thermostat can be vague or even confusing and that is what we want to help you with here at. Whether you are installing the thermostat for the first time or trying to adjust the temperature inside your house having a thorough comprehension of its user manual can be extremely helpful. No related manuals. Just take a look at the picture below the diagram.
Yellow the yellow wire connects to your compressor. The original humidistat should be removed or set to off position. Oct 2 2003. Thm301m users manual english date. By the use of an adjustable set point the job of the thermostat is to turn on either the heating or cooling system to maintain the desired room temperature in the home and to turn off the system when the desired temperature is achieved. If you have a noma programmable thermostat its important to understand how it works.
Summary of contents for noma thm301m. Wiring diagram 24 installing control wires for humidifier control thm303m only if control of the humidifier is desired the 2 wires connecting the original humidistat needs to be connected to the 2 terminals marked h1 and h2 on the thm303m. Y yellow wire for cooling enable g green wire controls fan on auto the diagram shows how the wiring works.
Gallery of Noma Programmable Thermostat Wiring Diagram
