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Cont ...
5.21
Wiring of connection unit:
WARNING: This appliance must be earthed.
This product range must be permanently connected to fixed wiring and is provided with a
set of terminals which allow the connection of a flexible supply cord.
Select a supply cord and fuse size based on the full load current and the surrounding
conditions and wired with the following code:
Green and Yellow: Earth
Blue: Neutral
Brown: Live
As the colours of the wires in the mains lead of this appliance may not correspond with
the coloured markings identifying the terminals in your connection unit proceed as
follows:
z
The wire which is coloured green and yellow must be connected to the terminal in
the connection unit which is marked with the letter E or by the earth symbol: or
coloured green or green and yellow.
z
The wire which is coloured blue must be connected to the terminal which is marked
with the letter N or coloured black.
z
The wire which is coloured brown must be connected to the terminal which is
marked with the letter L or coloured red.
5.22
Boiler interlock safety function:
The Matrix Maxi is fitted with a volt free contact specifically assigned for boiler/chiller
shut down in the event that the Matrix Maxi detects system pressure above the
Hi alarm
pressure or below the
Lo alarm
pressure.
The boiler interlock contact will be open circuit below the
Lo alarm
pressure and above
the
Hi alarm
pressure.
When the system pressure is in its normal operating pressure range (above
Lo alarm
pressure and below
Hi alarm
pressure settings) the contact is closed circuit
Always refer to the boiler/chiller manufacturer’s instructions for correct integration.
Fig. 8
20 mm Fuse
Brown: Live
Green and Yellow: Earth
Blue: Neutral