Heck now im not calling anyone a dummy. R the r terminal is the power.
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Sdhw1001 thermostat wiring diagram. Gray tn 37615 tel. Thermostat wiring diagrams for heat pumps heat pump thermostat wire diagrams. Thermostat wiring and wire color chart thermostat wiring colors code. Unlike most setback thermostats this thermostat doesnt require programming. The water heater element is connected to the thermostat via t 2 as hot and l 4 as neutral. Black color is neutral while red is phase or line and the yellowgreen wire is used for ground earth.
It is a red wire and comes from the transformer usually located in the air handler for split systems but you may find the transformer in the condensing unit. The main trouble is dealing with those different colored wires knowing which one does what and if that wasnt enough you also have numbers and letters to deal with. The columbus electric model sdhw1001 setback on demand thermostat is a self learning 7 day setback thermostat designed specifically for commercial and industrial applications. Even the most seasoned people who enjoy diy may come across problems with wiring a thermostat. Select system using system selection chart terminal labels. The common wire sometimes referred to as the c wire is whats responsible for delivering constant power to your thermostat.
The sdhw thermostats are wired directly to the hvac system. Heat pumps are different than air conditioners because a heat pump uses the process of refrigeration to heat and coolwhile an air conditioner uses the process of refrigeration to only cool the central air conditioner will usually be paired with a gas furnace an electric furnace or some other method of heating. Simply choose your system on setup apply the corresponding terminal strip label and wire as you would any other thermostat. For programmable thermostats and smart thermostats c wires are essential for setting a schedule or having your heat or air conditioner turn on at a desired temperaturewhile some units can run without a c wire even brands like nest recommend having one for optimal. The basic heat ac system thermostat typically utilizes only 5 terminals. The sdhw1001 model is compatible with 26 types of 24vac systems.
The line is connected to the l 1 terminal while neutral or second line is connected to the l 3 terminal. The diagram below shows how a basic 4 wire thermostat is connected as indicated by the color code chart above. Thermostat wiring for dummies. With the use of a motion sensor it learns your schedule and changes automatically. The wiring connection for both single phase 120v and 240v are same ie. My paperback and e book.
Rc red wire power 24 vac rh or 4 red wire jumpered power 24 vac w white wire for heating enable y yellow wire for cooling enable. Sdhw1001 commercial setback on demand thermostat installation setup and operation instructions columbus electric div of tpi corporation 114 roscoe fitz rd. Color of wire and termination.
Gallery of Sdhw1001 Thermostat Wiring Diagram
