Page 1
LEGEND
START
END
Start of LX Mat/Cable
End of LX Mat/Cable
Direction of LX Mat
Rotation of LX Mat
Loose Cable
DRAWING LIST
LX-1 Legend/Drawing List
LX-2 LX Specification
LX-4
LX Typical Application
LX-6
LX Typical Application
LX-7
LX Mat Modification
LX Typical Layouts
T
Thermostat
LX-3
LX-8
LX Reflect Typical Installation and Layout
LX-5
LX Typical Wiring Diagram
LX-9
LX Thermostat to Contactor Panel
LX General Notes
LX-10
Drawing No:
Drawn By: Scale:
Date:
Quote No:
The Contractor shall verify all job site
dimensions all drawing, details &
specifications.
The Contractor shall report any
discrepancies, in writing to Danfoss
prior to commencing with any work.
6711 Mississauga Rd, Suite 410
Toronto, ON, L5N 2W3
Tel: 1-866-676-80626711 Fax : 1 (905) 285-2055
www.NA.Heating.Danfoss.com
Drawing Title:
Project:
Issued:
No:
Date:
Description:
March
2018
LX General Submittal
Legend/Drawing List
LX-1
Page 2
1. General
Supply and install a complete system comprised of heating cables, accessories, and controls.
2. Material
2.1. Shall be Danfoss LX twin conductor heating cable.
2.2. Mat with strong dual self-adhesive backing (flexible thermoplastic polymer coated fiberglass).
2.3. The mat is rated to produce 12W/SF at 120V or 240V.
2.4. Shall include 10' cold lead, single point connection.
2.5. Conductor: Copper or copper alloy, with tin-nickel coating.
2.6. Insulation: DuPont FEP insulation with an average thickness not less than 0.35mm.
2.7. Shield: Tin-Coated drain wire combined with 0.050mm aluminum foil coated with 0.012mm PBT,
100% coverage.
2.8. Jacket: PVDF with an average thickness not less than 0.25mm.
2.9. Shall operate on line voltage of (select:120V, 208-240V).
2.10. Shall be approved to applicable UL and CSA standards.
3. System Controls
3.1. The system temperature shall be controlled by a Danfoss thermostat with a floor or air sensor, or a
combination of both.
3.2. The thermostat shall incorporate an integral 5mA Class A Ground Fault Circuit Interrupter (GFCI), a
temperature set-back option to reduce energy consumption, and a digital readout.
3.3. Shall be approved to applicable UL and CSA standards.
4. Execution
4.1. Installation
a. System must be installed per manufacture's recommendation using the method described in the
installation guide.
b. Place the heating mats and sensors in the surface material as per the installation guide.
c. Inspect the mats and controls upon receiving the shipment. Note any damage and ensure
materials received match the order and shipping documents.
4.2. Tests
a. Refer to the manufacturer's literature for requirements for testing and documenting cable
resistance and insulation-to-ground readings.
b. Take tests as outlined in the Installation Manual.
c. If problems are discovered, consult the manufacturer.
d. If unable to correct problems notify the engineer before proceeding with the installation.
e. Keep a record of all readings for inspection by the engineer or for submittal to the manufacturer to
ensure a valid warranty.
5. Warranty
5.1. Manufacturer shall offer a 20-year, non-prorated warranty.
LX Mat Specifications
LX Mats
1. General
Supply and install a complete system comprised of heating cables, accessories, and controls.
2. Material
2.1. Shall be Danfoss LX twin conductor heating cable.
2.2. Shall Include 10' factory spliced and sealed cold lead, single point connection.
2.3. Conductor: Copper or copper alloy, with tin-nickel coating.
2.4. The Cable is rated to produce 3 W/ft at 120 or 240V.
2.5. Insulation: DuPont FEP insulation with an average thickness not less than 0.35mm.
2.6. Shield: Tin-Coated drain wire combined with 0.050mm aluminum foil coated with 0.012mm
PBT, 100% coverage.
2.7. Jacket: PVC with an average thickness not less than 0.76mm.
2.8. Shall operate on line voltage of (select:120V, 208-240V).
2.9. Shall be approved to applicable UL and CSA standards.
3. System Controls
3.1. The system temperature shall be controlled by a Danfoss thermostat with a floor or air sensor, or
a combination of both.
3.2. The thermostat shall incorporate an integral 5mA Class A Ground Fault Circuit Interrupter
(GFCI), a temperature set-back option to reduce energy consumption, and a digital readout.
3.3. Shall be approved to applicable UL and CSA standards.
4. Execution
4.1. Installation
a. System must be installed per manufacture's recommendation using the method described in
the installation guide.
b. Place the heating cable and sensors in the surface material as per the installation guide.
c. Inspect the cable and controls upon receiving the shipment. Note any damage and ensure
materials received match the order and shipping documents.
4.2. Tests
a. Refer to the manufacturer's literature for requirements for testing and documenting cable
resistance and insulation-to-ground readings.
b. Take tests as outlined in the Installation Manual.
c. If problems are discovered, consult the manufacturer.
d. If unable to correct problems notify the engineer before proceeding with the installation.
e. Keep a record of all readings for inspection by the engineer or for submittal to the
manufacturer to ensure a valid warranty.
5. Warranty
5.1. Manufacturer shall offer a 20-year, non-prorated warranty.
LX Cables Specifications
LX Cables
Drawing No:
Drawn By: Scale:
Date:
Quote No:
The Contractor shall verify all job site
dimensions all drawing, details &
specifications.
The Contractor shall report any
discrepancies, in writing to Danfoss
prior to commencing with any work.
6711 Mississauga Rd, Suite 410
Toronto, ON, L5N 2W3
Tel: 1-866-676-80626711 Fax : 1 (905) 285-2055
www.NA.Heating.Danfoss.com
Drawing Title:
Project:
Issued:
No:
Date:
Description:
LX General Submittal
Specification
LX-2
March
2018
Page 3
LX Mat General Notes
1. It is important that this equipment is installed only by qualified electricians who are familiar with the
proper sizing, installation, construction and operation of floor warming system and the hazards
involved. The heating mat is designed for under floor heating purposes only.
2. The installation shall be in accordance with the manufacturer's instructions and national and local
codes. The installation shall be in accordance with Part 424-J, American National Standard Institute /
National Fire Protection Association (ANSI/NFPA70), National Electrical Code (NEC) and Canadian
Electrical Code (CEC), Part 1. Danfoss recommends GFCI for heating cable in normally wet areas
(i.e. bathrooms, showers, kitchens).
3. The resistance should be measured between the two conductors, blue and black. Compare the
measured resistance to the resistance on the product label, located 3 inches from the splice, on the
cold lead. Also, measure the resistance between the blue, black and shielding/ground wire. Both
should read infinity.
4. Read the instructions carefully before installing LX mat.
5. Do not install LX mat in walls or ceilings.
6. The mat must be embedded in mortar, thin set, concrete or similar material.
7. The minimum installation temperature is 40°F (5°C).
8. Never cut the red heating wire.
9. It is recommended to use AWG 16 or greater copper wire only if you need to extend the cold lead.
10. Never install the LX mat such that two red heating wires touch, cross or overlap.
11. Measure the resistance between the blue, black and shielding/ground wire. Both should read infinity.
12. Remember to always measure, verify and record the actual resistance throughout the installation
process (out of the box, after installation, before thin set cement or self-leveler application and after
installation of floor tiles) and compare all reading to the ratings on the product label.
13. Remember to check that the supply voltage matches the voltage of the Danfoss LX mat.
14. Remember to place the labels as written in this instruction.
15. Only for indoor installation.
16. Metal structures or materials used for the support of or on which the Danfoss LX mat is installed
must be grounded in accordance with CSA Standard C22.1, section 10 and the NEC.
17. Please consult the factory for any other questions or advice.
LX Cable General Notes
1. It is important that this equipment is installed only by qualified electricians who are familiar with the proper
sizing, installation, construction and operation of floor warming system and the hazards involved. The
heating mat is designed for under floor heating purposes only.
2. The installation shall be in accordance with the manufacturer's instructions and national and local codes.
The installation shall be in accordance with Part 424-J, American National Standard Institute / National Fire
Protection Association (ANSI/NFPA70), National Electrical Code (NEC) and Canadian Electrical Code
(CEC), Part 1. Danfoss recommends GFCI for heating cable in normally wet areas (i.e. bathrooms,
showers, kitchens).
3. The resistance should be measured between the two conductors, blue and black. Compare the measured
resistance to the resistance on the product label, located 3 inches from the splice, on the cold lead. Also,
measure the resistance between the blue, black and shielding/ground wire. Both should read infinity.
4. Read the instructions carefully before installing LX cable
5. Do not install LX cable in walls or ceilings
6. The cable must be embedded in mortar, thinnest, concrete or similar material
7. The minimum installation temperature is 50°F (10°C)
8. Never cut the red heating wire
9. It is recommended to use AWG 16 or greater copper wire only if you need to extend the cold lead.
10. Never install the LX cable such that two red heating wires touch, cross or overlap
11. Also, measure the resistance between the blue, black and shielding/ground wire. Both should read infinity
12. Remember to always measure, verify and record the actual resistance throughout the installation process
(out of the box, after installation, before thin set cement or self-leveler application and after installation of
floor tiles) and compare all reading to the ratings on the product label
13. Remember to check that the supply voltage matches the voltage of the LX cable
14. Remember to place the labels as written in this instruction
15. Only for indoor installation
16. Metal structures or materials used for the support of or on which the Danfoss LX cable is installed must be
grounded in accordance with CSA Standard C22.1, section 10 and the NEC
17. Please consult the factory for any other questions or advice.
Drawing No:
Drawn By: Scale:
Date:
Quote No:
The Contractor shall verify all job site
dimensions all drawing, details &
specifications.
The Contractor shall report any
discrepancies, in writing to Danfoss
prior to commencing with any work.
6711 Mississauga Rd, Suite 410
Toronto, ON, L5N 2W3
Tel: 1-866-676-80626711 Fax : 1 (905) 285-2055
www.NA.Heating.Danfoss.com
Drawing Title:
Project:
Issued:
No:
Date:
Description:
LX General Submittal
Specification
LX-2
March
2018
Page 4
Tiles, stone, carpet
or engineered wood
flooring
Thermostat sensor
Danfoss LX
Thin set cement adhesive
Plywood on joists
Joists
Directly on plywood:
Backerboard(Optional)
Directly on concrete:
Concrete
Wire Mesh (If Insulation is used)
Insulation (Optional)
Thermostat sensor
Tiles, stone, laminate
or engineered wood
flooring
Thin-set cement adhesive
Danfoss LX
Drawing No:
Drawn By: Scale:
Date:
Quote No:
The Contractor shall verify all job site
dimensions all drawing, details &
specifications.
The Contractor shall report any
discrepancies, in writing to Danfoss
prior to commencing with any work.
6711 Mississauga Rd, Suite 410
Toronto, ON, L5N 2W3
Tel: 1-866-676-80626711 Fax : 1 (905) 285-2055
www.NA.Heating.Danfoss.com
Drawing Title:
Project:
Issued:
No:
Date:
Description:
LX-4
Danfoss LX Typical Installation and Application
Detail:1
LX-4
Danfoss LX Typical Installation and Application
Detail:2
LX General Submittal
LX Typical Installation
LX-4
March
2018
Page 5
LX Mats
Power Lead
Power Lead Installed in
Conduit
Single or Double Gang Box
Sensor Wire Installed
in Conduit
Sensor Wire Installed
in Conduit
Tiles, Stone, Carpet
or Engineered Wood Flooring
Thin-Set or
Self-Leveling Cement
Power Connection Splice
Drawing No:
Drawn By: Scale:
Date:
Quote No:
The Contractor shall verify all job site
dimensions all drawing, details &
specifications.
The Contractor shall report any
discrepancies, in writing to Danfoss
prior to commencing with any work.
6711 Mississauga Rd, Suite 410
Toronto, ON, L5N 2W3
Tel: 1-866-676-80626711 Fax : 1 (905) 285-2055
www.NA.Heating.Danfoss.com
Drawing Title:
Project:
Issued:
No:
Date:
Description:
LX-5
Wall Wiring Diagram
Detail:1
LX General Submittal
LX Typical Installation
LX-5
March
2018
Page 6
L1 (L)
L2 (N)
L1 (L)
L2 (N)
240 (120) VAC
Thermostat
15A Max
Sensor
L1 (L)
L2 (N)
240 (120) VAC
Load
Load
Contactor
Coil
Power Lead
Power Lead
Mat or Cable
Mat or Cable
Load greater than 15 Amps
( GFCI protection not provided in this wiring diagram )
Typical Electrical wiring
Diagram for Danfoss Thermostat
Load greater than 15 Amps
(No Polarity)
4
1
3
2
L1 (L)
L2 (N)
L1 (L)
L2 (N)
240 (120) VAC
Thermostat
15A Max
Sensor
Power Lead
Load
Power Lead
Mat or Cable Mat or Cable
Max. Load 15 Amps
Typical Electrical wiring
Diagram for Danfoss Thermostat
Max. Load 15 Amps
Load
(No Polarity)
4
1
3
2
A
B
C
D
OUT
IN / SENSOR
A
B
C
D
OUT
IN / SENSOR
SENSOR
088L5135
088L5130
088L5136
088L5140
C
D
088L5135
Drawing No:
Drawn By: Scale:
Date:
Quote No:
The Contractor shall verify all job site
dimensions all drawing, details &
specifications.
The Contractor shall report any
discrepancies, in writing to Danfoss
prior to commencing with any work.
6711 Mississauga Rd, Suite 410
Toronto, ON, L5N 2W3
Tel: 1-866-676-80626711 Fax : 1 (905) 285-2055
www.NA.Heating.Danfoss.com
Drawing Title:
Project:
Issued:
No:
Date:
Description:
LX-6
Wiring Diagram for Danfoss Thermostat
Max. Load 15 Amps
Detail:1
LX-6
Wiring Diagram for Danfoss Thermostat
Load Greater Than 15 Amps
Detail:3
LX-6
Wiring Diagram for Danfoss Thermostat
Load Greater Than 15 Amps
Detail:2
LX General Submittal
LX Typical Wiring
Diagram
LX-6
March
2018
Page 7
L1 (L)
L2 (N)
L1 (L)
L2 (N)
120 VAC
Thermostat
15A Max
Typical Electrical wiring
Diagram for Danfoss Thermostat
Load greater than 15 Amps
L N
LA
NA
S1 S2
100A CONTACTOR
PANEL (Two (2) 50A 3P
CONTACTOR INSIDE)
Part # 088L3440
AREA - 1st CONTACTOR PANEL
C C
Note: Contractor to provide GFEP
2
3
1
4
L1 (L)
L2 (N)
L1 (L)
L2 (N)
120 VAC
Thermostat
15A Max
Typical Electrical wiring
Diagram for Danfoss Thermostat
Load greater than 15 Amps
L N
LA
NA
S1 S2
100A CONTACTOR
PANEL (Two (2) 50A 3P
CONTACTOR INSIDE)
Part # 088L3440
AREA - 1st CONTACTOR PANEL
C C
Note: Contractor to provide GFEP
2
3
1
4
L N
LA
NA
S1 S2
100A CONTACTOR
PANEL (Two (2) 50A 3P
CONTACTOR INSIDE)
Part # 088L3440
AREA - 1st CONTACTOR PANEL
C C
Note: Contractor to provide GFEP
Drawing No:
Drawn By: Scale:
Date:
Quote No:
The Contractor shall verify all job site
dimensions all drawing, details &
specifications.
The Contractor shall report any
discrepancies, in writing to Danfoss
prior to commencing with any work.
6711 Mississauga Rd, Suite 410
Toronto, ON, L5N 2W3
Tel: 1-866-676-80626711 Fax : 1 (905) 285-2055
www.NA.Heating.Danfoss.com
Drawing Title:
Project:
Issued:
No:
Date:
Description:
LX General Submittal
Thermostat to Contactor
Panel Wiring
LX-7
March
2018
LX-7
Thermostat to Contactor Panel Wiring
Detail:2
LX-7
Thermostat to Contactor Panel Wiring
Detail:2
Page 8
NOTE:
1. To Rotate the Mat at any angle, cut the grey mesh without cutting the red cable and
turn it in any direction you want.
2. For some typical shapes or approaching obstacles remove some of the red heating
cables from the grey mesh and use hot melt glue or thin strip of tape to secure the
loose cable to the floor.
3. Do not cut the RED cable.
90° Rotation
180° Rotation
30° Rotation
1
2
3
Fan Rotation
5
Loose Cable
Obstacle
Avoiding Obstacle
4
Drawing No:
Drawn By: Scale:
Date:
Quote No:
The Contractor shall verify all job site
dimensions all drawing, details &
specifications.
The Contractor shall report any
discrepancies, in writing to Danfoss
prior to commencing with any work.
6711 Mississauga Rd, Suite 410
Toronto, ON, L5N 2W3
Tel: 1-866-676-80626711 Fax : 1 (905) 285-2055
www.NA.Heating.Danfoss.com
Drawing Title:
Project:
Issued:
No:
Date:
Description:
LX-8
LX Mat Modification
Detail:1
LX General Submittal
LX Mat Modification
LX-8
March
2018
Page 9
BATHTUB
VANITY
TOILET
SHOWER
T
Start
088L3145
End
088L3145
LX Cables
1. 088L3145 - 200ft
Coverage - 50sf
@ 3" spacing
No. Mats
1. 088L3158 - 25ft
Coverage -50sf
BATHTUB
VANITY
TOILET
SHOWER
Note:
1. 1ft Mat = 8ft Cable
Start
088L3158
End
088L3158
T
BATHTUB
SHOWER
CLOSET
VANITY
TOILET
No. Mats
1. 088L3179 - 35ft
Coverage - 70sf
Note:
1. 1ft Mat = 8ft Cable
Start
088L3179
End
088L3179
BATHTUB
SHOWER
CLOSET
VANITY
TOILET
LX Cables
1. 088L3141 - 60 ft
Coverage - 15sf
@ 3" spacing
2. 088L3146 - 240ft
Coverage - 60sf
@ 3" spacing
Start
088L3146
Start
088L3141
End
088L3146
End
088L3141
Drawing No:
Drawn By: Scale:
Date:
Quote No:
The Contractor shall verify all job site
dimensions all drawing, details &
specifications.
The Contractor shall report any
discrepancies, in writing to Danfoss
prior to commencing with any work.
6711 Mississauga Rd, Suite 410
Toronto, ON, L5N 2W3
Tel: 1-866-676-80626711 Fax : 1 (905) 285-2055
www.NA.Heating.Danfoss.com
Drawing Title:
Project:
Issued:
No:
Date:
Description:
LX-9
Bathroom 1 Mat Layout
Detail:1
LX-9
Bathroom 1 Cable Layout
Detail:2
LX-9
Bathroom 2 Cable Layout
Detail:4
LX-9
Bathroom 2 Mat Layout
Detail:3
LX General Submittal
LX Typical Layout
LX-9
March
2018
Page 10
BATHTUB
VANITY
TOILET
SHOWER
LX Cables (Reflect)
1. 088L3144 - 160 ft
Coverage 55SF
@ 4" Spacing
11'8"
1'6-1/2" 6'0" 4'0"
3'2" 5'4-3/4"
1'6"
3'0"
9'11-3/4"
5'2"
3'7-1/2"
2'11-1/2"
T
START
END
Underlayment
Padding
Reflect
Danfoss LX
Heating Cables
Engineered wood / Laminate
Plywood/Concrete
subfloor
Drawing No:
Drawn By: Scale:
Date:
Quote No:
The Contractor shall verify all job site
dimensions all drawing, details &
specifications.
The Contractor shall report any
discrepancies, in writing to Danfoss
prior to commencing with any work.
6711 Mississauga Rd, Suite 410
Toronto, ON, L5N 2W3
Tel: 1-866-676-80626711 Fax : 1 (905) 285-2055
www.NA.Heating.Danfoss.com
Drawing Title:
Project:
Issued:
No:
Date:
Description:
LX-10
LX Typical Reflect Installation
Detail:1
LX-10
LX Typical Reflect Layout
Detail:2
LX General Submittal
LX Reflect Typical
Installation and Layout
LX-10
March
2018
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