Schluter DHERS/BW Installation Guide download pdf (Page 16)

16 INSTALLATION

Heating Cables

Warning

• Before installing and operating this product, the user and/or installer must read, understand and follow these instructions and keep them

handy for future reference.

• If these instructions are not followed, the warranty will be considered null and void and the manufacturer deems no further responsibility

for this product.

• The following instructions must be adhered to in order to avoid personal injuries or property damages, serious injuries and potentially

fatal electric shocks.

• This product must be installed by a qualiﬁed person in accordance with this installation handbook and with the Canadian Electric Code

Part I (Canada) or the National Electric Code (U.S.) as applicable. All electric connections must be made by a qualiﬁed electrician,

according to the electrical and building codes effective in your region.

• A dedicated circuit is required for each application.

• Ground fault equipment protection (i.e., GFCI) is required for each circuit (included in the DITRA-HEAT thermostats).

• Never install a cable designed for a 120 V power source on a 240/208 V power source.

• This cable must be grounded.

• Mark the appropriate circuit breaker reference label indicating which branch circuit supplies the circuit to the ﬂoor warming heating

cable system.

• De-energize all power circuits before installation and servicing.

• Very important: Never CUT the heating cable. This would change the cable resistance and could lead to a ﬁre.

• Heating cables shall not be altered in the ﬁeld. If the installer or the user modiﬁes the unit, he will be held responsible for any damage

resulting from this modiﬁcation, and the warranty and the product certiﬁcation will be void.

• The heating section of the cable must be entirely installed under the ﬂoor covering. The installation is characterized as a Type C

(Embedded Floor Warming) application. In order to prevent a ﬁre hazard, do not install it anywhere else (e.g. in a wall).

• Do not run the heating cable under a wall, from one room to another; an individual cable must not heat more than one room.

• Never install the heating cable under vanities, bathtub platforms, kitchen cabinets and islands or any other ﬁxtures. Excessive heat will

build up in these conﬁned spaces and may cause a ﬁre.

• Never use the heating cable for any purpose other than heating a ﬂoor INSIDE a building.

• Always keep a 3 stud (3-1/2" – 9 cm) spacing between cable runs. A narrower spacing may cause a ﬁre or damage the ﬂoor covering.

A wider spacing may not provide sufﬁcient power to warm the ﬂoor.

• Heating cables may not touch, cross over, or overlap one another.

• Minimum spacing from walls or ﬁxtures (e.g., cabinets) is 3" (75 mm).

• Minimum spacing from other heat sources (baseboard heaters, ﬁreplaces, forced air heating ducts, etc.) is 8" (200 mm).

• Minimum spacing from any plumbing drain is 6" (150 mm).

• It is helpful to plan the location of a buffer zone, as it is not possible to predict where the heating cable will end. The buffer zone is an

area where heating is not essential, typically behind a toilet or adjacent to a door opening. This area allows for placement of excess

heating cable.

• Heating cable testing is required while the heating cable is on the spool and at two subsequent steps during installation to ensure cable

quality and for warranty purposes. A megohmmeter is required for the insulation resistance testing of the heating cables.

• Never energize the cable while it is on the spool. This would lead to overheating that could damage the cable and may cause a ﬁre.

• The minimum temperature at which the cable should be installed is 32˚ F (0˚ C).

• Avoid folding the heating cable on itself, a radius of curvature less than 0.0625 inch (1.6 mm) could damage its sheath.

• The minimum installed bending radius of the heating cable is 0.5 inches (12.7 mm).

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Schluter DHERS/BW Installation Guide Page 16

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