Install Instructions

Throughout the installation process,
it is very important to take resistance
readings of the mat and the floor sensor
wire to make sure they have not been
damaged. Use a quality digital ohmmeter
(multimeter) able to measure to 20,000
ohms (W) to take these readings. Analog
meters (with the moving needle) are not
accurate enough for this product.
The LoudMouth
™
monitor shown at
left will help constantly monitor the mat
for you during the entire installation. Ask
about purchasing this invaluable tool.
Essential Product and Warranty
Information
Do not remove the nameplate label
from the power leads (see photo at left).
Record the mat serial number, mat size,
voltage, and resistance range printed on
this label into the resistance log below for
each mat and sensor.
To retain the Limited Warranty,
these items and the following measure-
ments must be recorded, as well as all
steps of this manual followed. Refer to
the Limited Warranty now for complete
requirements.
Measurements
At the very least, take resistance read-
ings (1) before beginning the installation,
(2) after the mat and sensor are fastened
to the floor, and (3) after floor coverings
are installed. It is highly recommended
that these measurements also be checked
frequently during tile installation to avoid
burying a damaged heating wire or defec-
tive sensor.
Checking for breaks
Measure resistance between the black
and white leads (black and blue leads
for 240-V mats) and record below. This
resistance should be within the range
shown on the nameplate label. Measure
between the lead wires of the floor sen-
sor. This resistance varies according to
the temperature sensed in the tip. The
sensor resistance table at lower left pro-
vides approximate values for comparison.
A cut or break in the wire is indicated by
a resistance of “infinite” ohms (no conti-
nuity, or “OL” for “open line”).
Checking for short-circuits
Measure mat resistances between the
black and green leads. Record below.
This measurement should be “infinite”
ohms (no continuity or “OL” for “open
line”). A cut or pinch in the heating wire
is normally indicated by a resistance
value greater than zero and less than the
mat resistance
If the resistance is not correct, contact
the factory for further instructions. If the
heating wire has been cut or damaged,
quickly clean up the damaged area and
contact the factory for further instruc-
tions.
The LoudMouth monitors the heating wire during the
entire installation process. If the mat is cut or dam-
aged during installation, this device sounds an alarm.
The LoudMouth will prevent burying a damaged
wire below hardened mortar and tile or stone.
4 SunTouch Space Warming Manual
Inspect the Mat and Sensor
Record the information from this nameplate
label into the Mat and Sensor Resistance Log. Leave
the nameplate label attached to the power leads for
later inspection.
This electric radiant heating warning label must be
cut out and taped near or on the face of the
control.
Floor Sensor Resistance Values
Temperature Typical Values
55°F (13°C) 17,000 ohms
65°F (18°C) 13,000 ohms
75°F (24°C) 10,000 ohms
85°F (29°C) 8,000 ohms
MAT 1 MAT 2 MAT 3
Mat Serial Number
Mat Size
Mat Voltage
Factory Mat Resistance Range
OUT OF THE BOX BEFORE INSTALLATION (ohms)
Mat black to white
Mat black to green
Mat white to green
Sensor Wire
AFTER MAT AND SENSOR ARE FASTENED TO FLOOR (ohms)
Mat black to white
Mat black to green
Mat white to green
Sensor Wire
AFTER FLOOR COVERINGS ARE INSTALLED OVER THE MAT (ohms)
Mat black to white
Mat black to green
Mat white to green
Sensor Wire
RETAIN THIS LOG TO RETAIN THE WARRANTY! DO NOT DISCARD!
MAT AND SENSOR RESISTANCE LOG