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OTR
User Manual
26 pgs1.93 Mb0

Ouellet OTR User Manual

Floor Heating System
Therma Cable
INSTALLATION GUIDE
September 2012 Edition
1. Therma Cable Floor Heating System . . . . . . . . . . . . . . . . 4
1.1 General Information . . . . . . . . . . . . . . . . . . . . . . 4
1.2 Always . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
1.3 Never . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2. Technical information. . . . . . . . . . . . . . . . . . . . . . . . 7
2.1 Surface Area and Power Output of Therma Cable Products . . . . 7
2.2 Insulation Test . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.3 Resistance Test. . . . . . . . . . . . . . . . . . . . . . . . . 9
3.1 Floor Warming. . . . . . . . . . . . . . . . . . . . . . . . .10
3.2 Radiant Floor Heating . . . . . . . . . . . . . . . . . . . . . 10
3.3 Typical Floor Coverings. . . . . . . . . . . . . . . . . . . . .11
4.1 Planning Work. . . . . . . . . . . . . . . . . . . . . . . . .12
4.2 Preparing the Subfloor . . . . . . . . . . . . . . . . . . . . . 13
4.3 Marking the Floor . . . . . . . . . . . . . . . . . . . . . . . 13
4.4 Installing the Therma Cable Floor Heating System . . . . . . . . 14
4.5 Installing the Temperature Sensor . . . . . . . . . . . . . . . .17
4.6 Applying Self-Levelling Cement . . . . . . . . . . . . . . . . .18
4.7 Connecting the System. . . . . . . . . . . . . . . . . . . . .19
4.8 Measuring Resistance and Measures’ table . . . . . . . . . . . .20
4.9 Using the Therma Cable System . . . . . . . . . . . . . . . . 20
Table of Content
6.1 Floor Heating System . . . . . . . . . . . . . . . . . . . . . 22
6.2 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . 23
7.1 Installation Tips . . . . . . . . . . . . . . . . . . . . . . . . 25
7.2 Floor Covering Tips . . . . . . . . . . . . . . . . . . . . . . 25
8.1 Warranty Statement . . . . . . . . . . . . . . . . . . . . . . 26
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1.1 General Information
IMPORTANT!
The installation must meet the following building codes, as applicable:
– Canadian Electrical Code (CSA C22.1) – American National Electricity Code (ANSI/NFPA 70) – Any other national or local code
The Therma Cable floor heating system is composed of a heating cable along with a lead for connection to an electrical power source. Therma Cable meets the following in The Canadian Electrical Code standard: series heating cables set.
IMPORTANT!
Shut off power supply to the floor heating system to prevent electrical shock.
Important informations
– The Therma Cable floor heating system is designed exclusively for interior floor
heating. The system is not designed for snow melting or any other outdoor uses;
– Therma Cable is mainly designed to complement a building’s primary heating
source by serving as a secondary (floor warming) or primary room heat source (radiant floor heating);
1. Therma Cable Floor Heating System
– Refer to Section 3 for instructions on heating a room using the Therma Cable
system only; – Floor temperature varies based on insulation and floor characteristics; – The Therma Cable system can be installed under a shower floor only if the floor
is ceramic or natural stone. A waterproof membrane must be used to maintain
the heating cables in a dry environment. Canada: A ground fault circuit inter-
rupter (GFCI) must be used with this heating device in bathrooms. USA: A ground
fault circuit interrupter (GFCI) must be used with this heating device in bathrooms
and in hydromassage bathtub locations;
– The Therma Cable system must be embedded in cement or an equivalent
binder (cement glue, ceramic glue or self-levelling cement); – The system must be installed by a master electrician who is: able to evaluate
proper electrical resistance and wattage, familiar with installation-related risks
and knowledgeable about construction techniques as well as the installation
and use of the Therma Cable floor heating system; – The system is only one step in the floor construction process. Each trade is
responsible for the quality of its work and must ensure that the work performed
by the previous tradesman has been duly completed according to code. All
tradesmen are engaged in the installation process and share joint responsibility
for it.
4
Components
Fig. 1.1
Technique for interlocking the plastic strappings
Fig. 1.2
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1.2 Always
– Read this guide in full before installing the product; – Install the Therma Cable system with a regulating device; – Use copper wires only; – Perform the mandatory tests described in this guide and record readings on the
table of measures;
– Only use cement or an equivalent binder compatible with floor heating systems
(cement glue, ceramic glue, self-levelling cement);
– Ensure that the black heating cable is completely embedded in cement or an equiv-
alent binder (cement glue, ceramic glue, self-levelling cement);
– Ensure that the voltage supplied equals the nominal voltage of the Therma Cable
system;
– Repair the product only using the Therma Cable repair kit available at your autho-
rized Ouellet Canada Inc. dealer;
– Consult Ouellet Canada Inc.’s team of technical specialists for any questions or for
more information; – Install Therma Cable at temperatures over 5 °C (40 °F). – Heating cables must be at least 13 mm (½”) away from any combustible surface. – Metal structures or materials used for the support of or on which cables or sets are
installed be grounded in accordance with the Canadian Electrical Code (CSA C22.1
Section 10 and National Electrical Code). – The installer of series heating cable sets must inspect and remove damaged or
defective heating cable sets before they are covered or concealed; – Installer of series heating cable sets must mark the appropriate circuit breaker
reference (label) indicating which branch circuit supplies the circuit to those electric
heating cables.
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1.3 Never
– Install Therma Cable sections so that the heating cables are less than 76 mm (3”)
from each other. The temperature could be too high and could cause damages; – Shorten or alter any part of the heating cable (Fig. 1.3); – Cross, overlap, or stack heating cables (they must not touch); – Connect a 120V product to a 240V/208V power source; – Use a bending radius under 20 mm (¾”); – Install a temperature regulator (thermostat or other) where it is accessible from the
shower or bath (install at least 1 m [3’ 4”] away); – Staple heating cable or floor sensor end to the subfloor (Fig. 1.3); – Install the Therma Cable system if the safety seal is broken; – Install the Therma Cable system under a closet or fixed items. – Series heating cable sets shall not extend from beyond the room or area in which
they originate; – Series heating cable sets are not to be installed in walls. – Exceed the 15 Amp limit per thermostat or power unit if you intend to add a OTR
product to one of them. Please refer to the related OTR table products to deter-
mined if the amperage limit was reached or not, by adding a OTR product to the
thermostat or power unit (or relay). If the amperage limit is over 15 Amp then you
will need to add a power unit for the additional product needed in this room.
Fig. 1.3
2.1 Surface Area and Power Output of Therma Cable Products
Product #
120V
OTR0082 85 9.80 32 0.70 8 0.71 8.590
OTR0122 120 12.20 40 0.90 10 1.00 4.770
OTR0152 150 15.90 52 1.20 13 1.25 3.050
OTR0172 170 18.30 60 1.40 15 1.41 2.192
OTR0242 240 24.40 80 1.90 20 2.00 1.239
OTR0302 300 30.50 100 2.40 25 2.50 0.786
OTR0362 360 36.60 120 2.80 30 3.00 0.548
OTR0422 420 42.70 140 3.30 35 3.50 0.400
OTR0472 475 48.80 160 3.70 40 3.96 0.310
OTR0602 600 61.00 200 4.60 50 5.00 0.196
OTR0722 720 73.20 240 5.60 60 6.00 0.137
OTR0842 840 85.30 280 6.50 70 7.00 0.100
OTR0962 960 97.50 320 7.40 80 8.00 0.077
Power Length
Watts m ft. sq. m sq. ft. A Ohm / m
Surface
Amperage
Resis
tance
2. Technical information
Product # 240/208V
OTR0170 170 18.30 60 1.40 15 0.71 8.590
OTR0240 240 24.40 80 1.90 20 1.00 4.770
OTR0300 300 30.50 100 2.40 25 1.25 3.050
OTR0360 360 36.60 120 2.80 30 1.50 2.192
OTR0420 420 42.70 140 3.30 35 1.75 1.587
OTR0475 475 48.80 160 3.70 40 1.98 1.239
OTR0600 600 61.00 200 4.60 50 2.50 0.786
OTR0720 720 73.20 240 5.60 60 3.00 0.548
OTR0840 840 85.30 280 6.50 70 3.50 0.400
OTR0960 960 97.50 320 7.40 80 4.00 0.310
OTR1080 1080 109.70 360 8.40 90 4.50 0.242
OTR1200 1200 121.90 400 9.30 100 5.00 0.196
OTR1440 1440 146.30 480 11.10 120 6.00 0.137
OTR1600 1600 170.70 560 13.00 140 6.66 0.100
OTR1920 1920 195.10 640 14.90 160 8.00 0.077
Power Length
Watts m ft. sq. m sq. ft. A Ohm / m
Surface
Amperage
208 V = 75% of wattage at 240 V
Resis
tance
7
2.2 Insulation Test
cold lead
Measure Therma Cable’s insulation resistance at each step using a megohmeter (Fig. 2.2) and record readings on the measures’ table (this label is available at the opening of the product).
IMPORTANT!
For the warranty to be valid, fill out the measures’ table and ensure that the 10 readings have been correctly noted.
A qualified electrician must measure the system’s insulation resistance as follows:
– Use a calibrated megohmeter only; – Measure insulation resistance at the free end of the cold lead, between the
phase conductor and ground;
Fig. 2.2
CAUTION! Dangerous Test
– Write the reading in the measures’ table; – This reading must be over 1,000,000 ohms; – If the reading is under 1,000,000 ohms, stop work and contact
Ouellet Canada Inc.’s technical specialists at 1 800 463-7043.
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