Adey Mini 130, Installation And Servicing

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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 Mini is fitted with a single volt free contact specifically assigned for  

boiler/chiller shut down in the event that the APU Mini 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 

Boiler interlock connections:

The circuit connected to the relay is 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 Mini 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

Boiler Interlock

Fig . 13

Fig . 14

Fig . 15

Fig . 16