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Mirror Demister Installation Instructions
Please check that the mirror is suitable for use
with mirror demister pads.
We don’t recommend using demisters on
mirrors with any cut-outs for lights or sockets,
as these can weaken the mirror.
• You should aim to cover at least 70% of the mirror’s
surface with the demisters to ensure effective heating.
• We recommend leaving a margin of around 50mm
from the edge of the heating pad to the edge of the
mirror; the minimum margin you should leave is 25mm.
• You can combine mirror heater units to provide effective coverage of larger mirrors.
• Place your mirror face down on a at surface.
• Clean the mirror reverse to remove dirt or grease.
• Remove the safety foil from the demister reverse.
• You should ensure that space is made for the rubber
connection and the lead behind the mirror, so that these
sections will not place pressure on the mirror itself.
• The mirror should be carefully installed and a qualied
electrician should carry out the electrical connection.
• Low Voltage (12V) models installed outside of zone 1
must be supplied using a suitably rated and approved 12V
transformer; e.g. a low Voltage lighting transformer.
Models installed in zone 1 must be supplied by a SELV
isolating transformer, with the source outside zone 1.
• The Mirror Demister would normally be connected by
a fused spur onto the lighting circuit of the room. The
demister should not, however, be left on for a sustained
period of time if it is unable to dissipate its heat.
• In circumstances where the demister is being used for
a sustained period of time, we recommend tting a
thermostat or a timer switch, to prevent overheating.
• Place the Mirror Demister sticky side down onto the
back of the mirror, in the area you wish to be
condensation free, ensuring there are no air bubbles.
• If using adhesive to afx the mirror it must be solvent
and acrylic free, and should be used according to the
manufacturer’s recommendations.
• If you are going to afx the mirror with screws, you
should ensure that the screws have rubber spacers so
that only the mirror is in contact with the spacers and is
free to move slightly. No other holes should be cut into
the mirror as this may cause excessive stress and
damage the mirrors during heating.
• If the mirror is going to be tted inside a frame, the
frame should allow for a small amount of movement
and rubber spacers should be used where applicable.
• You should ensure that space is made for the rubber
connection and the lead behind the mirror, so that these
sections will not place pressure on the mirror itself.
• As with any Class II heating device, Mirror Demisters
can induce a charge in the metallic foil used within the
construction of the mirror. If this foil is not earthed this can
lead to a capacitance issue, where the foil builds up an
electric charge which only dissipates when it is grounded.
For installations with the possibility of touching the
metallic foil within the mirror construction, we recommend
that you consider installing an earth to alleviate this issue.
230V Technical Specification:
Heating element: Carbon with copper
Supply voltage: 230W/sqm +/-10%
Power output: 200W/m
Housing: IP44 rated insulation
Coldtail lead: 1m 0.75mm
Self Adhesive
12V Technical Specification:
SELV Rated
Heating element: Carbon with copper
Supply voltage: 230W/sqm +/-10%
Power output: 200W/m
Housing: IP44 rated insulation
Coldtail lead: 1m 0.75mm2 double insulated cable
Self Adhesive
2
2
double insulated cable
2
Call 01444 247020 for installation advice
www.heatmat.co.uk
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Mirror Demister Installation Instructions
Over 400 different sizes available including
12V SELV, 24V and 110V versions.
Product information for 230V models:
Product code Size Resistance Wattage
7015L025 150x 250mm 8747Ω 6W
7020L025 200 x 250mm 5977Ω 9W
7030L025 300 x 250mm 3842Ω 13W
7030L081 30 0 x 810mm 115 3 Ω 45W
7040L025 40 0 x 250mm 2831Ω 18W
7040L045 400 x 450mm 1544Ω 33W
7040L081 400 x 810mm 849Ω 61W
7040L101 400 x 1010mm 679Ω 76W
7050L053 500 x 530mm 10 34Ω 50W
7050L077 500 x 770mm 708Ω 73W
7050L105 50 0 x 1050mm 517Ω 100W
7060L029 600 x 290mm 159 0Ω 32W
7070L077 700 x 770mm 499Ω 103W
7070L089 700 x 890mm 863Ω 120W
7070L101 700 x 1010mm 379Ω 136W
7070L113 700 x 1130mm 339Ω 152W
7070L129 700 x 1290mm 296Ω 174 W
IP44
Rated
Please see the markings on individual products for details of their approvals
SELV
Rated
Made in the UK
Call our technical support team on 01444 247020 for installation advice:
[email protected] | www.heatmat.co.uk
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