Without a doubt on how to Wire a Line-Voltage Thermostat for a Baseboard Heater

Without a doubt on how to Wire a Line-Voltage Thermostat for a Baseboard Heater

Unlike the low-voltage thermostats that control main heating and air-conditioning systems, electric baseboard heaters utilize line-voltage thermostats which are the main full-voltage circuit powering the heater. The thermoregulator can directly be mounted from the heater it self, or it may be installed on the wall surface so the circuit wiring passes through the thermoregulator first on the road to the baseboard heater. An innovative new line-voltage thermostat will have to get https://besthookupwebsites.net/eris-review/ in touch within the installing of the brand new baseboard heater. They even can degrade and need replacement. Wherever it really is found, linking the line-voltage thermostat for an electric powered baseboard heater is just a task that is fairly easy.

Just Just Exactly How Line-Voltage Thermostats Work

A line-voltage thermostat for a baseboard heater is merely an adjustable switch that is set up over the electric circuit that runs through the circuit breaker panel towards the baseboard heater. It runs much the same manner as a dimmer switch supplying adjustable control to a light fixture. Fundamental line-voltage thermostats use simple dial settings, but additionally, there are more advanced electronic programmable models. The wiring is done the same way as for basic dial thermostats although programmable thermostats offer more control options.

A line-voltage thermostat can control a baseboard that is single or a few heaters wired together. The thermoregulator works by sensing the heat of this available space and managing the number of present that passes through the cables towards the heater. Many baseboard warming systems utilize 240-volt circuits, but 120-volt heaters will also be available; they are usually utilized to offer heat that is supplemental individual spaces.

Single-Pole vs. Double-Pole Thermostats

Line-voltage thermostats for 240-volt heaters are available two sorts: single-pole and double-pole. Single-pole thermostats are often referred to as “two-wire,” while double-pole thermostats are called “four-wire.” Some thermostats is wired in a choice of fashion.

In single-pole thermostats, just one of this two hot cables entering the thermoregulator box is connected to the thermoregulator; one other cable bypasses the thermostat package and will continue towards the baseboard heater. Which means the baseboard will will have present moving involved with it.

Both hot wires entering the thermostat box are attached to the thermostat with double-pole thermostats. Double-pole thermostats offer a genuine “OFF” function since the existing is totally interrupted to your baseboard heater if the thermoregulator is down.

Remember to select the type of thermostat specified by the baseboard heater. Many will specify either a single-pole or thermostat that is double-pole although some may enable either kind.


This task talks about just the connection that is electrical the thermoregulator itself; it assumes that the electric cable for the line-voltage thermostat was already routed through the circuit breaker panel towards the thermoregulator location from the wall surface, and through the thermoregulator location towards the baseboard heater. For wall-mounted installation, we are additionally let’s assume that a electric package has been installed into the appropriate location into the wall surface.

These preliminaries will likely be currently be managed if you should be changing a thermostat that is existing but a brand new heater installation calls for operating a unique cable, setting up a unique electric package, and mounting a baseboard heater in the wall surface. Operating brand new circuits for electric baseboard heaters is generally carried out by a expert electrician since it needs specific abilities and involves working during the primary circuit breaker panel, where there clearly was a definite risk of surprise. Such work should really be done by DIYers only when they will have significant experience and knowledge. Nonetheless, linking a line-voltage thermostat is a fairly easy task that it is simple to do.

Make certain the Energy Is Off

The cable delivering power to your thermoregulator package needs to be shut down before the thermostat is connected by you. Ensure that the circuit breaker managing the cables is shut down, and make use of a non-contact circuit tester to try for present in the thermoregulator package.

Browse the Thermostat Schematic

Unpackage the thermoregulator and very carefully browse the directions plus the wiring schematic. In particular, be sure you identify the cable leads marked LINE, that will be connected to the circuit cables that feed current from the charged energy supply, and the ones marked LOAD, that may carry energy onward into the baseboard heater.

Strip Cables

If required, strip about 3/4 inches of insulation from each circuit that is insulated going into the thermoregulator’s electric package, making use of cable strippers. This often involves two supply cables through the energy supply and two cables moving onward towards the heater. Or, if the thermoregulator is managing two baseboard heaters through the location that is same there may be extra outbound cables ultimately causing one other heater.

Make Ground Wire Connections

The copper that is bare from each cable going into the package have to be accompanied along with a cable nut, therefore the steel package must also be grounded having a “pigtail” wire that links to your circuit grounding cables. Typically this is accomplished with a brief green or bare copper cable connected to the steel package with an eco-friendly grounding screw, using the other end associated with pigtail joined up with to your circuit grounding wires having a cable nut. The thermoregulator it self often won’t have any grounding connection. If it can have a grounding that is green, join this to another circuit grounding wires.

Make LINE Connections

Now, utilize cable nuts to get in touch the 2 feed cables going into the field through the energy supply into the cable leads from the thermoregulator marked LINE. In many 240-volt wiring circumstances, the circuit cables is going to be grayscale; it generally does not make a difference which cable lead gets connected to which feed cable since both are hot.

Make LOAD Connections

Utilize cable pea pea pea nuts in order to connect the circuit that is outdoing ultimately causing the baseboard heater(s) towards the cable leads marked LOAD from the thermoregulator. If the thermoregulator is managing an individual heater, each lead will likely to be mounted on just one cable. If the thermoregulator is managing a couple of thermostats through the exact same location, then each lead will likely be attached with numerous outbound cables.

Finish the Installation

Tuck the cables in to the box that is electrical secure the thermoregulator utilizing the mounting screws. Finish the wire connections in the baseboard heater, if it has maybe not been already done. Switch on the circuit breaker and test the thermostat and heater for appropriate operation.

Guidelines: 240-Volt Single-Pole Thermostat

Wiring for a 240-volt single-pole thermoregulator is much like that for a double-pole, but in this situation one of several hot cables only will bypass the thermoregulator and pass onward to your baseboard heater.

Make power that is sure Off

The cable delivering power to your thermoregulator package needs to be shut down before you link the thermoregulator. Ensure that the circuit breaker managing the cables is turn off, and make use of a circuit that is non-contact to try for present in the thermoregulator package.