
2
Existing Floor
Wooden Floors
Concrete Floors
INSTALLATION: KEY POINTS
•
Before laying the mat the fl oor sensor (in controller box) MUST be installed. The
sensor is fi tted into a tube (in mat box) which should be laid 20-30cm across
the fl oor under the mat between a cable loop.
• Before laying check the continuity of the cable, it should match the Ohm rating
on the Devimat
™
label with a tolerance of -5 to +10% and check the insulation
resistance which should read infi nity.
• To install the mat simply cut and turn the mat. The heating cable must NOT be
cut or subjected to strain around the area of the coupling, only the blue and
black cables can be cut to suit.
• When installing more than one mat, all ‘cold tails’ (blue/black wires) must be taken
back to the connection point/controller, DO NOT wire one mat to another.
• After laying the adhesive the heating mat must be checked once again for con-
tinuity and insulation resistance, then connected by an authorised electrician.
• The blue central core is NEUTRAL and the black central core is LIVE. The outer
surrounding copper wire is the earth screen and should be connected to earth.
• A fl exible adhesive is required when installing the devimat
™
product.
• Installation on new concrete fl oors should not be carried out for approxi-
mately 30 days to ensure thorough drying out.
Devimat
™
specifi cations
Cable
Type
Voltage
Effect
Dimension (W x H)
Cold tails
DTIF
Twin conductor with screen
230 V AC
100 W/m² to 150 W/m²
460 mm x 3 - 3.5 mm
4.0 m, 1.0 mm² plus screen
In all above situations, the fl oor temperature must be controlled with a DEVI fl oor sensor and
Devireg
™
550 thermostat/timer, or Devireg
™
130 thermostat.
Maximum load per m
2
100 W/m
2
150 W/m
2
Connections
Live - Black
Neutral - Blue
Earth - Screen
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