Environ 120V 5ft x 10ft panel - Round Cold Lead


Part Number: 510-10-120
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Common Support Questions (27)

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Common Support Questions


No. Never cut the heating cable. The floor heating cable is designed with a very specific resistance in order to consistently maintain heating at a specific wattage per square foot. Trimming the heating cable lowers the resistance of the cable causing the system to overheat.  WarmlyYours recommends obtaining a complimentary SmartPlan™ Floor Heating Installation Plan to assure a good installation.

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Yes. Unlike the heating cable for electric floor heating, the cold lead wires can be trimmed.

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To prevent any overheating, we recommend that you do not install any electric radiant floor heating elements closer than 4" from the wax ring.

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Yes, but any furniture that may trap heat, such as pieces with an enclosed bottom, should be avoided. Furniture on legs with a clearance of at least 3" is permissible.

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When installing electric floor heating over a concrete slab, an insulating underlayment like ThermalSheet is highly recommended to ensure efficient operation, faster heating times and warmer floor temperatures.

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When WarmlyYours electric floor heating systems are being installed on a concrete slab, we strongly recommend adding a layer of insulation over the slab prior to installing the system. While our electric floor heating provides up to 25% more heating power per square foot than many of our competitors, the slab will always act as a "heat sink." Some of the heat that would otherwise be transferred to the flooring surface will remain in the slab, causing the floor’s surface temperature to be considerably lower. This is true with any electric radiant floor heating system.

When installed on top of a concrete slab without insulation, it is generally accepted that electric floor heating will take the chill away from the floor and provide a small amount of warmth. Adding insulation on top of the slab and beneath any electric radiant floor heating system will allow a greater percentage of the heat generated to transfer to the flooring surface. This results in greater efficiency and therefore faster warm up times, higher expected surface temperatures and lower energy usage. The floor will have the capacity to warm to a comfortable temperature, and in some cases can be employed as the primary heat source for that room.

The recommended types of insulation are natural cork, insulated tile backer boards and insulated underlayment, such as ThermalSheet™ synthetic cork.

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The amount of amperage draw depends upon how large the area is that you are heating. For coverage of areas less than 30 square feet, the system will draw less than 3 or 4 amps. If you have a larger area over 120 square feet of heated space, then you may need a larger breaker plus additional controls. No matter what the size of the area you choose to heat, we recommend a dedicated circuit for your electric radiant floor heating system.

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Electric-resistance heating cables and systems have no polarity. This includes all current WarmlyYours heating elements.

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The breaker and wire sizes are selected based on the total amperage of the WarmlyYours heating system connected to a single thermostat. This information is on the WarmlyYours heating system's installation plan, electrical plan, or UL label. Based on guidelines from the National Electrical Code: loads up to 16 Amps may utilize 12 gauge wire with a 20-Amp breaker, and loads up to 12 Amps - 14 gauge wire with a 15-Amp breaker. Local code and/or other factors may change these guidelines.

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Make sure any cracks or raised edges are sanded down before installation. Seal and patch cracks where possible. If needed, pour a layer of self-leveling cement to make sure surface is level and flat. Then proceed with instructions to install desired floor heating system and flooring.


It is strongly recommended that an insulating underlayment be installed between the slab and heating element to prevent heat loss.

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Check the flooring r-value before installing. As long as the flooring product has an r-value of 1 or less, it should work well with electric floor heating. Underlayment must be placed on the subfloor and be placed under the heating layer. For ease of installation, we strongly recommend the underlayment be at least 1/4" thick, and the heating element should be placed between the underlayment and the flooring. Do not place any underlayment between the element and the flooring.

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One thermostat can control multiple heating mats/cables as long as all the elements are using less than 15 amps. For TempZone™ Flex Roll systems for example that would be maximum of 120 sq.ft. for 120V systems and 240 sq.ft. for 240V.

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82°F - 85°F is the most common comfortable warm temperature of the floor.

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Yes, but any furniture that may trap heat, such as pieces with an enclosed bottom, should be avoided. Furniture on legs with a clearance of at least 3" is permissible.

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Multiple Environ™ products may be connected in parallel directly to a thermostat or through the junction box. Please ensure the total amperage of all connected mats doesn’t exceed the thermostat’s maximum load.

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Any type of underlayment/padding may be used as long as it has a density of 6-8 pounds per cubic foot. Certain underlayment, such as ¼” (6mm) thick cork, or 6mm ThermalSheet are recommended for Environ™ Flex Rolls. It is also acceptable to place a vapor barrier, such as a plastic sheet, under the underlayment. Underlayment papers are not compatible with Environ™ Flex Rolls. Underlayment is necessary to prevent Environ™ Flex Rolls from damage from the weight of the floor, furniture, and people. Unavoidable wooden floor movements will not harm Environ™ Flex Rolls. Wooden floors expand and contract with temperature and moisture change. The wooden floor “moves” on top of Environ™ Flex Rolls. This movement will not damage Environ™ Flex Rolls when the installation is done correctly and the underside of the final floor covering is installed evenly. Some underlayment materials also have a noise reducing and insulating effect. When installing over concrete, a ¼” underlayment is mandatory. Any underlayment available in ¼” size is acceptable in most cases. ThermalSheet, cork, or ¼” to 3/8” of expanded polystyrene (EPS) with a density of 2 pounds per cubic foot or more, are recommended for installation under Environ™ Flex Rolls. When installing over a concrete slab, choose the underlayment with the highest R-Value.

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Verify that your laminate is warranted for use with radiant heat. Most modern wood laminate floors are compatible with Environ™ Flex Rolls, but the maximum thickness of the timber / laminate / wooden flooring should not exceed 5/8” (15mm). Flooring that has metallic strips as part of its locking system is NOT compatible, as these metallic strips may damage the Environ™ Flex Rolls. Also laminates that have their pad already attached to the laminate are not compatible with the Environ™ Flex Rolls.

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WarmlyYours has recently begun including floor sensors with our heating elements to help ensure customers will have everything they need for optimal operation of their radiant heating systems.

The sensor included with your floor heating element can be installed with the heating system (the sensor is equally spaced between runs of the heating wire--see your install manual for more info). Installing this sensor with your floor heating control will enable energy efficient operation of the floor warming system based on the floor temperature instead of the ambient room temperature.

We generally recommend that you install a second, unconnected backup floor sensor alongside the primary one. In the very unlikely event that your first floor sensor is damaged, this install method will save you from having to pry up flooring to replace a floor sensor. You simply disconnect the damaged sensor from the thermostat and connect the backup sensor.

In addition to the floor sensor that was included with your heating element, our nSpiration Series thermostats also come with a floor sensor. If you purchase both a heating element and an nSpiration Series thermostat from WarmlyYours, you'll have a primary and a backup floor sensor for your system.

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Solution:

The ground wire in the floor mat must be connected directly to the ground wire of the supply or to the house ground wire.


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Multiple Environ™ products may be connected in parallel directly to a thermostat or through the junction box. Please ensure the total amperage of all connected mats doesn’t exceed the thermostat’s maximum load.

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A digital meter with a 0-200 Ohms scale ( Ω ) to measure the heating wire's resistance, and a 20K scale to measure the sensor's resistance.

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For Tempzone it is 51 BTU’s per square foot per hour and for Environ, it is 41. Take the wattage of the product (shown on the product’s label) and multiply that by 3.41. That is the BTU value for that product.

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Single Conductor vs. Twin Conductor Identification

  • A single conductor floor heating system is a loop of one core wire, it starts at the thermostat and ends at the thermostat - this is the original method of manufacturing heating cable. Most single conductor floor heating systems have the same color cold lead wire connected to both load terminals/pigtails of the thermostat. Some early single conductor floor heating systems were produced with a white and a yellow cold lead wire.
  • A twin conductor floor heating system terminates two core wires at the end, both wires start at the thermostat - this is the current method of manufacturing heating cable. Most twin conductor floor heating systems will have two different colored cold lead wires, and one of these is black. The other wire in a WarmlyYours floor heating system is either yellow (120V system) or red (240V system).  A few early Environ systems had two black cold lead wires.

Note:

- Not all heating cables are wired directly to the thermostat. It may have been necessary during installation to terminate the heating cable in a junction box, and then run a separate (contractor-supplied) wire from the junction box to the thermostat.

- WarmlyYours single conductor cold leads were produced with a 13‘ length at the start of the loop, and a 26‘ length at the end.  The 120V floor heating systems had a yellow and a white label attached to the cold leads, and the 240V floor heating systems had a red and a white label attached. 

- If you have a single conductor floor heating system and notice that one cold lead is thicker or feels hotter than the other, please contact technical support at +1 (800) 875-5285 

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The Environ™ Flex Rolls and Easy Mats are designed to deliver 12 watts per square foot.

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Most Laminates with an attached cork, foam, or rubber backing are not good Environ™ heated flooring candidates. There are exceptions of course, check the manufacturers warranty information and compatibility of the flooring product with electrically heated floors. If the laminate has a pre-attached pad, verify that laminate has an R-Value of 1 or less.

Cause:

I have a pre-attached underlayment on my laminate flooring, can I use Environ™?

Solution:

Most Laminates with an attached cork, foam, or rubber backing are not good Environ™ heated flooring candidates.  There are exceptions of course, check the manufacturers warranty information and compatibility of the flooring product with electrically heated floors.  If the laminate has a pre-attached pad, verify that laminate has an R-Value of 1 or less.


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Test the Environ floor heating element using a digital ohm meter.

Here is a guide and here is a video showing how to do this test.

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No. Most vinyl flooring requires a solid flat surface to maintain its shape and many recommend that their flooring is kept at least ½“ away from the heating element. The best solution for vinyl floor covering is our TempZone™ floor heating cable or mats embedded in self leveling cement. Always check with the flooring product's manufacturer regarding limitations, warranties, and installation requirements.

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Publications and Manuals


Technical Information

Environ Master Spec Doc (English)


Specifications


Electrical

Amps 4.86 A
Floor Load 0.6 kW
Ohms 24.69
Voltage 120 V
Watts 583 W
Watts Per Sq. Ft. 12 Watts Per Sq. Ft.

Warranty / Certifications

Approvals cULus listed
Warranty 10 Year Warranty under Laminate & Floating Hardwood, 5 Year under Carpet (US Only)

Performance

BTU Per Hour 1989 Btu

Product Dimensions

Cold Lead Length 30′
Coverage 50 ft²
Heating Element Thickness 0.063″
Length 10′
Size 5′ x 10′
Width 5′

Logistics

Country of Origin (COO) South Africa

Installation

Floor Types Commonly installed beneath carpet (US Only) and laminate

Identifiers

SKU 510-10-120
UPC (GTIN-12) 881308010508

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