subject: Substituting a Thermostat - Wiring Hues [print this page] Substituting a Thermostat - Wiring Hues Substituting a Thermostat - Wiring Hues
Changing thermostat by yourself without having a Denver HVAC technician can be fairly harrowing if you do not hook up the wiring correctly. Within of the thermostat there are a number of terminals which must hook up with the right wires. The R-critical is the thermostat's energy. R means Red, the Colorado heating repairman must have red wires heading to this fatal. This power comes from the transformer. The transformer is generally in the condensing unit or the air handler in a split system. Simply because they are supplying strength, it is a great concept to kill the electrical power to equally the condenser and the oxygen handler just before operating on the thermostat.
The RC fatal is the strength for cooling. Some big HVAC methods have two transformers, 1 for cooling and 1 for heat. In such a case, the power from the ac program goes to the thermostat fatal. A jumper can be set up in between RC and RH for a single transformer heating and cooling method. The RC deadly is also red.
The RH deadly is the heating electrical power-in. This is also red and can be jumped to the RC.
The Y fatal is yellow and goes to the compressor relay. Some Denver HVAC specialists use a fatal board strip on the oxygen handler manage board which makes splices not essential. Y2 is generally light blue and is the code for a next phase cooler. If you do have two compressors, equally ought to operate off the identical thermostat. Most Denver heating and air organizations do not will need the cooling of a two stage organization.
W is the heating fatal. W is for white deadly. This ought to go directly to your heating source, whether it be a furnace or boiler. W2 is for second phase heat and is usually brown. This is for gas furnaces with lower and higher settings. Heat pumps use W2 for auxiliary heat.
C is for Popular, and does not have a particular shade despite the fact that black is witnessed often. For digital thermostats that consume strength, the popular wire is required to full the 24 volt circuit.
Blue are for high temperature pumps. Rheem and Ruud high temperature pumps use the B fatal for the cooling reversing valve. Other HVAC producers use the O critical. Trane, Lennox, Goodman, Ducane, Heil, Carrier, Fedders, Amana, and Janitrol are typically hooked up to the O critical by HVAC contractors in Denver.
This has no regular colour but should be wired to the heating relay or E fatal strip board.
S1 and S2 are for outdoor air sensors. This has no regular coloring, but must use a shielded wire to decrease interference and the possibility of water harm from outside. Warning: These hues are the defaults. The particular person wiring the thermostat could have used unconventional coloring coding. Feel free to checkout my blog on more info about window unit ac
