Replacing thermostat by yourself and not using a Denver HVAC technician may have pretty harrowing before you hook up the wires correctly. Inside of the thermostat there are numerous terminals which must join the right wires. The R-terminal is definitely thermostat's power. R key Red, the Colorado heating repairman have red wires going fot it terminal. This power traffic arrives the transformer. The transformer is all over the condensing unit or the actual environment handler in a cut system. Because they look and feel supplying power, it seems sensible to kill the capacity to both the condenser and folks air handler before working on the thermostat.
The RC terminal is definitely power for cooling. By large HVAC systems is to be had two transformers, one to cool and one for capability. In such a charging, the power from the ac system pertains the thermostat terminal. A jumper works extremely well between RC and RH for a single transformer heating and cooling system. The RC terminal 's also red.
The RH terminal is definitely heating power-in. This is also red and can be jumped to the RADIO CONTROL.
The Y terminal is yellow and goes to the compressor relay. Some Denver HVAC specialists you can use a terminal board strip in your air handler control board bringing in splices not needed. Y2 may be to light blue and were code for a wee bit stage cooler. If you actually have two compressors, both should work by the same thermostat. Most Denver heating and air companies you don't have to the cooling of to be the two stage company.
W is definitely heating terminal. W is for white terminal. This moves directly to your warming up source, whether it generate furnace or boiler. W2 is for second stage heat which could usually brown. This facilitates gas furnaces with low and heavy settings. Heat pumps show W2 for auxiliary the heat.
G is for green and potential buyers the indoor blower fan relay.
C is habitual Common, and does not have any specific color although black is seen frequently. For digital thermostats that consume power, the common wire is needed to complete the 24 volt outlet.
Orange "O" and "B" White are for heat penis pumps. Rheem and Ruud heat pumps make use of the B terminal for any cooling reversing valve. Other HVAC manufacturers make use of the O terminal. Trane, Lennox, Goodman, Ducane, Heil, Bag, Fedders, Amana, and Janitrol are normally hooked at the O terminal by AIR-CON contractors in Denver.
E is for emergency heating. This has no standard color but might wired to the energy relay or E fatal strip board.
S1 even while S2 are for area air sensors. This has no standard color, but should use a shielded wire to bring down interference and the chance of water damage from exterior doors. Warning: These colors is definitely the defaults. The person wiring the thermostat have got used unconventional color code.
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