Brochure
3
Warning:
Consult  the  manufacturer  for  information  on  special 
installation  requirements  for  wood,  laminate  and
vinyl or linoleum flooring.
Ceramic tiles
fanD oss LX
Thermostat sensor
Thinset cement adhesive
Plywood on joists
Joists
Insulation (optional) 
Ceramic tiles
Danfoss LX
Thin set cement adhesive
Thermosta
t sensor
Concrete
Directly on plywood:
Danfoss LX typical installations and applications
Directly on concrete.
Alternative  method:  self-leveling  cement  is
recommended  for  large  surfaces  and  the
following floor  materials: engineered  wood,
laminate, floating floors, vinyl, linoleum and 
carpet.
Caution!
=Read the instructions carefully before installing
 LX mat
=Do not install LX mat in walls or ceilings;
=The mat must be embedded in mortar, 
 thinset, concrete or similar material;
=The minimum installation temperature is
 40°F (5°C);
=Never cut the red heating wire;
=It is recommended to use AWG 16 or greater 
copper wire only if you need to extend the cold 
lead
=Never install the LX mat such that two red
 heating wires touch, cross or overlap; 
=Measure the resistance between the blue, 
black and shielding/ground wire. Both should 
read infinity.
lRemember  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. 
lRemember  to  check  that  the  supply  voltage
 matches the voltage of the Danfoss LX mat;
lRemember to place the labels as written in
 this instruction;
lOnly for indoor installation;
lMetal  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.
Please consult the factory for any other
questions or advice;
Copyright 2009 Danfoss Inc. 
TEL: 866-676-8062. FAX: 905-285-2055
088L3380 - 06/09










