WarmlyYours ERT12015X45, ERT24015X90 Installation Manual
Installation Manual for your
Environ™ Flex Roll System
For laminate/floating wood &
engineered wood floor coverings
Please read through these instructions carefully before you begin installing & check that you are aware of all the components required.
Free Design Service • 24/7 Installation Support • No Nonsense™ Warranty •(800) 875-5285 • www.WarmlyYours.com
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CONTENTS
Product specications and details .............................................................................................................................................1
Introduction ...............................................................................................................................................................................2
Important Information ................................................................................................................................................................2
Controlling Your System ............................................................................................................................................................3
Professional Electric Installation ................................................................................................................................................3
Items required for System Installation .......................................................................................................................................3
Testing .......................................................................................................................................................................................4
Pre Installation Instructions .......................................................................................................................................................4
Compatible Underlayment .........................................................................................................................................................5
Compatible Wood Laminates ....................................................................................................................................................5
Installing the Thermostat ...........................................................................................................................................................6
Installation of Environ™ Flex Rolls ............................................................................................................................................7
Environ™ Flex Rolls Rules ........................................................................................................................................................8
Installation Environ™ Flex Rolls under Carpet ..........................................................................................................................9-12
PRODUCT SPECIFICATIONS AND DETAILS
Environ™ Flex Roll System
Environ™ Flex is an ultra thin electric radiant oor heating roll, primarily used
under laminate and engineered wood.
The advantage of Environ™ Flex is the ease of installation and the even heating
of your ooring. The roll is produced with materials that avoid restricted heating
known as, “hot spots.”
Construction
The Environ™ Flex system is manufactured with uoropolymer insulated
heating cables with reinforced metal braiding over two heating cores. The
uoropolymer insulated heating cables are designed to be in between two
layers of reinforced and durable aluminum. The uniform spacing of the heating
elements, strengthened by the foil, ensures even heat distribution. The heating
element is connected to a power-supply cable, which is located in one corner
of the roll. The power lead is a at thin two-core exible cord, consisting of two
insulated conductors with a metal sheath and an outer sheath. Environ™ Flex
is supplied within the nominal heat output range of 140 W/m² (12 W/ sq. ft.) @
120 V & 240 V. The power lead is 15 feet long.
Metal Braiding
Connected to Ground
Conductor Wire
Primary Flouropolymer Insulation
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Introduction
Thank you for purchasing the Environ™ Flex Roll System. This manual contains IMPORTANT information
regarding the safe use and installation of your Environ™ Flex Roll System. Please read through the entire
manual carefully before you install or operate your oor heating system.
Important Information
• Environ™ Flex Rolls are designed for installation directly under laminate/
oating wood and engineered wood, installed on top of an underlayment.
• Environ™ Flex Rolls are NOT designed for installation under ceramic tile,
natural stone or other similar hard oor coverings; and MAY NOT be installed
under nailed hardwood ooring. WarmlyYours sells products to heat these
ooring surfaces – Contact us at: info@warmlyyours.com, or (800) 875-5285
for more information on other oor heating system options available.
• Environ™ Flex Rolls should be separated from other heat sources such as
luminaries and chimneys.
• The minimum distance between adjacent runs should be at a minimum of 1.5”
(40 mm).
• Do not install the Environ™ Flex Rolls at an ambient temperature below 5ºF
(-15ºC).
• Environ™ Flex Rolls should not extend beyond the room or area in which it
originates, as per the custom installation SmartPlan™.
• The Environ™ Flex Rolls must be spaced from the walls a minimum distance
of 3” (76 mm).
• Certain underlayment types and thicknesses with laminates/oating wood are
NOT compatible with Environ™ Flex Rolls (see page 5). DO NOT PLACE
EXCESSIVELY HEAVY FURNITURE on your heated oor.
• Environ™ Flex Rolls must not be installed under cabinets or furniture that will
be permanently installed and attached to the oor. Built-in cabinets and other
furniture with solid bases must not be placed over the rolls.
• Environ™ Flex Rolls is not for installation in walls.
• Environ™ Flex Rolls should NOT be installed on top of other in-oor radiant
heating systems (for example hydronic or in-slab systems) UNLESS the
other system is permanently disconnected in such a way that it cannot be
inadvertently switched on while the Environ™ Flex Rolls are also in use.
• The Environ™ Flex Rolls may NOT be installed on oors where radiant ceiling
heating rolls are in use in the room directly below where the Environ™ Flex
Rolls are installed.
• Environ™ Flex Rolls must not be installed in thinset cement, or in direct contact
with a cement or concrete suboor or slab. There must be an underlayment
under Environ™ Flex Rolls.
• Indicate which branch circuits supply the power to the Environ™ Flex Rolls and
retain the UL labels for each heating roll in a convenient location, i.e. taped to
the circuit breaker box, for reference by the electrical inspector or home owner.
Leave one UL label attached to the Environ™ Flex Rolls. Attach warning label
in a convenient location to show the room location where Environ™ Flex is
installed.
• Use only listed conduit, ttings, and/or other listed components.
• In Canada, the installation should be done according to the provisions of the
Canadian Electrical Code, Part 1, Section 62.
• When used in wet locations, the installation should be in accordance with the
National Electric Code, NFPA-70 and CAN/CSA-C22.1, Canadian Electrical
Code, Part I (CEC) and that nal acceptance is to be made in the eld by the
Authority Having Jurisdiction (AHJ).
• Environ™ Flex Rolls should be connected to a CLASS-A Ground Fault Circuit
Interrupter (GFCI). Some local electrical codes may require that a qualied
electrician connect the system.
We want your installation to be trouble-free. If you are confronted with
a problem you cannot solve, please do not hesitate to contact us at:
info@warmlyyours.com, or call us any time, any day at (800) 875-5285.
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Controlling Your System
WarmlyYours recommends a Class-A GFCI, UL/CSA/ETL or similar NRTL listed thermostat to control the Environ™ Flex
Rolls. A programmable thermostat will allow you to set your oor warm-up time and will provide you increased energy
efciency, by programming your wake up, away, bedtime, and vacation settings.
Most wood laminate manufacturers specify that their oors should not be subjected to temperatures in excess of 85ºF
(29ºC). The only reliable way to achieve this is to install a temperature sensor directly under the Environ™ Flex Rolls.
Check with your laminate manufacturer to see their recommendations for installing electric radiant heat under their oors.
Any of the thermostats from the WarmlyYours nSpiration Series can be set to the temperature recommended by the
laminate manufacturer.
Professional Electric Installation
Attention: Some local codes require that a licensed electrician complete the nal connection of the
oor heating system.
The installation of electrical systems presents a risk of re and electrical
shock, which may result in personal injury. Caution should always be
taken to guard against these risks. A qualied electrician should connect
Environ™ Flex Rolls to the thermostat and/or to the electrical supply circuit.
All such connections MUST be in accordance with the National Electric
Code, Canadian Electric Code, and all local codes.
WarmlyYours strongly suggests a dedicated circuit for each system. A nondedicated circuit can cause nuisance tripping of the GFCI built into the
thermostat.
Items Required For System Installation
• The customized installation SmartPlan™ (oor plan layout)
• Ground Fault Circuit Interrupter (GFCI)
• Digital Ohm Meter (multi-meter)
• 4” x 4” extra-deep box with a single gang plaster ring
• Junction box for systems requiring more than 3 rolls
• Wire and appropriate-sized, non-GFCI breaker for supplying voltage
• Electrical conduit
• Adhesive tape
• Aluminum tape strips
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