Jacuzzi Dome For Shower Surround System None - Manual (Page 6)

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Heating Cable System Terminology
The following terms may appear frequently throughout these instructions in italicized text. Each is graphically illustrated
in the key illustration above.
Support Mat Strands and Mesh. The mat support
strands are on top of the mat and the mat mesh is
laid directly on the floor. The support strands keep
the heating cable in place on the mesh. The mesh
and support strands can be cut to configure the mat
to heated area. DO NOT CUT THE CABLE!
Heating Cable. Section of the cable that warms the
floor; has clear outer covering with visible underlying
copper braid.
Standard Mat Heating Cable Spacing. The
heating cable is placed on the mat mesh at
intervals of 3" between adjacent cable runs.
For multiple mats place adjacent mats 3" from
mats laid parallel and 2" from mats laid per-
pendicular. If space is restricted, mats can be
placed a minimum of 1 1/2" apart.
Border Dimension. Space between the outside
perimeter of the Heating Cable and the surround-
ing room walls; may be set to 1 1/2" to 6" as
required, to slightly alter the Heated Area and en-
able a proper fit with the selected Jacuzzi floor
warming mat.
Cold Lead Splice. Factory connection between
the Cold Lead and the Heating Cable; must be
recessed to 1/4" into the subfloor, due to its
slightly larger diameter.
Cold Lead. Non-heated section of cable that
transports current to the Heating Cable
section; has a black outer jacket, covering a
copper braid and two inner color-coded
conductors (black/white for 120V cables), and
is slightly larger in diameter than the Heating
Cable section.
Dimension 1 1 /
2
". Minimum distance permitted
between sections of Heating Cable or between
Heating Cable and walls, vanity kick plates and/
or fixtures.
Dimension 6". Minimum distance the sensor
wire should extend between two adjacent
runs of heating cable, measured from the arc of
the Return Loop.
Electrical Connection Box (ECB). Customer-
supplied electrical enclosure that houses the heating
controller for the heating cable system. Cold Lead is
pulled through the wall cavity and into the ECB using
the fish cords.
End-of-Mat. Location where the Tail Splice ter-
minates the mat. With Jacuzzi floor warming mats
there is no need to route dual heat cable back to
the Electrical Connection Box.
Heated Area. Area physically covered by the
Heating Cable; typically much smaller than the total
room area since it does not include vanities, fixtures
and Low Traffic Areas.
Low Traffic Areas. Sections of the floor that are
seldom walked upon and do not require Heat-
ing Cable coverage unless it is necessary to use up
surplus cable.
Return Loop. Location where the Heating Cable
turns 180º forming a loop that extends beyond
the mesh.
Sensor Wire. If a floor temperature-sensing heat-
ing controller will be used, it is necessary to install
a sensor wire at the same time as the cable system.
The sensor wire relays changes in floor tempera-
ture to the heating controller, which maintains the
floor temperature at the desired level.
Start-of-Mat. Location of the Cold Lead Splice;
where the heated section of cable begins.
Tail Splice. Factory connection between the Heat-
ing Cable conductors located at mat’s End-of-Mat.
Power Supply Wiring. The 120V customer-sup-
plied power cable; terminated in the circuit breaker
panel and pulled into the ECB for connection to the
heating controller.
Cementituous Based Mortar. Also known as Thinset
mortar, this is a blend of cement, very finely graded sand
and a water retention compound that allows the cement
to properly hydrate. The cementituous based mortar is
also used as the base which adheres the heating mat to
the sub-floor and is used to cover the mat in a scratch
coat with protects the cabe. Tile set is then adhered to
the sub-floor with a thin layer of this mortar.
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