Therma-Ray SmartRooms User manual

Floor Warming Installation Guide Using
Floor Warming Installation Guide UsingFloor Warming Installation Guide Using
Floor Warming Installation Guide Using
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Install a wire every 24” through the floor
joist to form a suspended system Use
sufficient wire to securely hold the panels
Slide the Therma
· Ray panel above wire
Secure wire to the nail
Drill holes in joists near the Therma · Ray
panel lead wires and connect wiring
Therma·Ray Ceiling Panels
Therma·Ray Ceiling PanelsTherma·Ray Ceiling Panels
Therma·Ray Ceiling Panels
NOTE:
NOTE:NOTE:
NOTE: This application is used in existing homes where the owner wants warm floors but does
not want to replace the floor covering The existing finished floor can be any type of wood
flooring or natural stone finish such as ceramic tile, stone, slate, etc or vinyl flooring Please
check with the manufacturer of the floor covering may occur Use under properly installed
ceramic tile, stone or slate is perfectly acceptable
This method is not recommended for floors with carpets
MECHANICAL INSTALLATION
MECHANICAL INSTALLATIONMECHANICAL INSTALLATION
MECHANICAL INSTALLATION
Therma·Ray panels are placed between the floor joists Panels are to be installed in open,
unobstructed floor joists The panels are held in place by a wire (0 5cm) The panels must be a
minimum of 2 inches from the floor Drill holes through the joists so that you can install wire
every 24 inches Be sure to use sufficient wire to securely hold the panels in place The number
of panels needed should fill the floor joist spaces in the area to be heated Do not install panels
below cabinet, appliances etc Slide the Therma·Ray Ceiling Panels above the wire Once the
panels are in place, secure the wire to a nail or hook
BRANCH CIRCUIT CONNECTION
BRANCH CIRCUIT CONNECTIONBRANCH CIRCUIT CONNECTION
BRANCH CIRCUIT CONNECTION
Drill holes in the joists near the lead wires of the Therma·Ray panel
Therma·Ray panels are connected in parallel to the branch circuit Canadian installation shall be
made according to the provision of Section 62 of the Canadian Electrical Code, part 1 and to
regulations of all authorities having jurisdiction U S installations are to be made in accordance
with the National Electrical Code and local codes where applicable Installations outside North
America should conform to applicable local codes The heater load, once determined, can be
divided into as many circuits as needed 12AWG (2 0 mm) copper conductor, non-metallic
sheathed cable is recommended for installation of panels In areas where type NM cable is not
permitted, metal enclosures are available for use with rigid or flexible, metallic conduit or tubing
(See Installation Instructions Supplement for Metal Wiring Enclosures ) When determining the
number of branch circuits required to accommodate the heating load, note that the branch
circuit must be de-rated in accordance with either the Canadian Electric Code, National Electrical
Code, or local coded as applicable It is not recommended that wire size greater than 12AWG
(2 0 mm) be used to connect the panels to the branch circuit After the panels are secured in
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Connection the main feed to the individual panel
is easily done using tap-on connectors. Note that
ONLY the outer insulation jacket of the main
feed is removed.
place and the number of branch circuits determined, they are connected to the branch circuit
For proper performance ensure the supply voltage matches the voltage stamped on the panel
DO NOT connect heating panel to a higher voltage Connection to lower voltages is permitted,
but will cause the panel to operate at a reduced wattage and may lead to a system with
insufficient capacity to heat the intended area The supply wire of 12AWG (2 0mm) non-metallic
cable is connected to the transient lead (pigtail lead) of the heater panels with 3M Scotchlok®
self-stripping electrical tap connectors (Type 567) Upon completion of the wiring assembly, the
panel connectors are visible and available for inspection by local authorities
PANEL OPERATION TEST
PANEL OPERATION TESTPANEL OPERATION TEST
PANEL OPERATION TEST
Each heater has been individually checked at the factory After panel installation, the entire
circuit should be tested, to check the on-site electrical work Two methods of testing will be
discussed in the following paragraphs
Full Power Available
Full Power AvailableFull Power Available
Full Power Available- Apply rated voltage to the heater load circuit Branch loads are to be read
with a suitable ammeter The ammeter value should be the same as that calculated for the
heating load and, if the values agree, all panels are operating If the values do not agree,
installation should be re-checked For a physical check without a meter, it is only necessary to
feel the panels If they are warm, they are working
Without Power Available
Without Power AvailableWithout Power Available
Without Power Available-
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- This check of the panel installation requires the use and knowledge of
an ohmmeter A resistance measurement is taken at the load circuit, with all other circuits
isolated This will give the total resistance of the heater load Knowing the total heater load of
the panel in watts and heater rated voltage, a simple calculation will give the same values as that
read on the ohmmeter
Example: for the branch circuit of 1500 watts and panel rated voltage of 240, the resistance will
be 38 4 ohms:
voltage x voltage 240 x 240
Formula: ------------------------------ = resistance in ohms, Example: --------------- = 38 4 ohm
Wattage 1500
Final Installation
Final InstallationFinal Installation
Final Installation
After inspection and completion of the equipment check, the wiring enclosure (Endcap) is
completely filled with drywall ready-mixed compound, quick-setting drywall compound, or
fireproof caulking compound The Endcap is then placed over the connector and slid onto the
panel Alternatively, a bulk-loading caulking gun may be used to completely fill the enclosure
from each end, after it has been mechanically attached to the panel
To attach the Endcap to the panel, slide the Endcap over the panel, connectors and feed wire
Align the hole in the Endcap with the Fastener Line marked on the panel The Fastener Line is
located between (and marks the location of) the two cold panel connection leads Then use the
screw supplied with the Endcap to secure the Endcap to the panel (Endcap, screw and
connectors are available from the distributor for each panel)

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The use of high quality Smart
SmartSmart
SmartRooms Comfort Controllers are recommended for proper system
performance and warranty The sensor must be placed over a panel with a heat shield The heat
shield could be something as simple as a piece of aluminum foil The heat shield stops the
radiant heat from directly affecting the sensor, which in turn would affect temperature accuracy
The Smart
SmartSmart
SmartRooms Comfort Controller can be placed anywhere that is convenient for the owner
Warning sticker must be attached to the electrical service panel Ensure that all branch circuits
supplying radiant heating are clearly marked as such
Panel installation is now complete Insulation must then be installed over an A) heated area use
3” (R10) insulation B) unheated area use 6” (R20) insulation C) crawl space use 9” (R30)
insulation
CAUTION:
CAUTION:CAUTION:
CAUTION:
- Panels must be turned off until joint compound has fully cured
- Therma·Ray panels must not be placed over wood framing members, partitions,
cupboards, or other obstructions or come in contact with plastic piping
- Cellulose insulation is not recommended unless it meets or exceeds standard CGSB
510GP-60M or equivalent and must not contact face of heater panel
- Use only copper conductor supply wire
- Do not install heating panels in a room over an unheated crawl space unless floor
is properly insulated

Listed
ListedListed
Listed
Therma·Ray Inc.
67 Wilsey Road, Unit 6
Fredericton, NB, Canada E3B 7K4
Tel: [phone] Fax: [phone]
E-mail: [email protected]
www.thermaray.com
Printed in Canada
FLOOR PANEL SYSTEM
FLOOR PANEL SYSTEMFLOOR PANEL SYSTEM
FLOOR PANEL SYSTEM
CATALOGUE # WATTS LENGTH WIDTH WEIGHT
RC6A- 95-24 95 6 9 9
RC4A- 7 -24 7 4 9 6
RC7B-15 -24 15 7 12 14
RC6B-13 -24 13 6 12 12
RC5B-1 5-24 1 5 5 12 1
RC4B- 85-24 85 4 12 8
RC3B- 7 -24 7 3 12 6
RC7C-23 -24 23 7 18 24
RC6C-195-24 195 6 18 18
RC5C-16 -24 16 5 18 15
RC4C-13 -24 13 4 18 12
RC3C- 95-24 95 3 18 9
RC2C-070-240 70 2 18 6
100, 120, 200, 208, 220, 230, 240, 277 volts available
ACCESSORIES
ACCESSORIESACCESSORIES
ACCESSORIES
PC-1 Endcaps regular
3M567 Connector for #12 Wire
SR-LV Smart
SmartSmart
SmartRooms Comfort Controller low voltage c/w sensors
SR-240/120 Smart
SmartSmart
SmartRooms Comfort Controller 240/120 volt c/w sensors
revised October 25, 2012