
6
Wiring The Devireg
™
550
The sensor cable, heating mat and electricity supply can now be connected.
Five simple steps to connecting your controller are:
1. The mains voltage is connected to the terminals marked (Mains L & N).
L = Live
N = Neutral
2. The devimat™ is connected via terminals L and N where :
Blue Cable Central Core = Neutral
Black Cable Central Core = Live
3. The screening around the black and blue wires of the devimat
™
should be connected to the earth terminal within the
electrical box, in accordance with the electricity
regulations.
4. The sensor must be connected to the terminals
marked NTC. This cable can be shortened as
required and connected either way round.
5. The ‘Network’ terminal is not used.
Wiring and controlling the devimat
A qualifi ed electrician must connect the heating mat, in accordance with the
current wiring regulations BS 7671.
It is recommended that the Devimat
™
be connected via a 30mA RCD (residual
current device). Wiring regulations state that the thermostat should be located
away from sources of water, i.e. outside the bathroom. As the thermostat is
sensing fl oor temperature, the control unit can be located at any level from the
fl oor. ONLY the cold tail(s) of the Devimat
™
and the black fl oor sensor should be
leading from the fl oor to the thermostat position.
The Devimat
™
must be controller using either a Devireg
™
130 or a Devireg
™
550,
both of which use a fl oor sensor to monitor the fl oor temperature.
Both thermostats have a switching limit of 16 amps (35m
2
of Devimat
™
on timber
fl oors or 23m
2
of Devimat
™
on concrete fl oors) if above these limits a contactor
or multiple controllers should be used.
Wiring the Devireg
™
130-see instructions enclosed with the Devireg
™
130.
Wiring the Devireg
™
550-see the instructions below:
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