Adey CP1-03-04913, Установка и обслуживание

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5 .21
Wiring of connection unit:
WARNING: This appliance must be earthed.
The wires in the mains lead (supply cord) are coloured in accordance 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 APU Midi is fitted with a volt free contact specifically assigned for boiler/
chiller shut down in the event that the APU Midi 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 .
5 .23
Alarm and boiler interlock connections:
Circuits connected to the relays are limited to 5 Amps, 230 V a.c.
maximum. The Installer MUST fit a 5 Amp fuse in the circuit to the
alarm relay to protect the APU Midi from damage.
For connection of output relays follow the steps and images below:
1) Remove the required green connector from the right hand side of the
control board .
2) Strip 6-8 mm insulation from the end of the connection wire (Max 1 .5 mm
2
CSA) .
3) Insert wire into connector and screw down terminal screws to secure
(0 .6 Nm max .) .
NO
NO
NO
NO
Boiler Interlock
Common Alarm
High pressure alarm
Low pressure alarm
Fig. 15
Fig. 16
Fig. 17
Fig. 18