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Power Supplies
The Monobloc requires one Power supply, the details of the power supply are detailed below.
*The above sizing are for guidance only, correct cable sizing should be undertaken by a suitably qualified engineer.
All electrical connections should be completed by a NICEIC competent electrician
If an immersion heater is installed to the DHW tank this should have its own independent supply.
DO NOT
supply
directly from the PCB. This would require an additional 13amp supply and suitably sized cable.
All supplies should be via a double switched isolator and all cables should be sized in accordance with BS7671.
The Controller Requires a 5 core Screened cable. We would
recommend CAT 5e FTP cable, this cable is polarity sensitive,
so, it is important not to mix up the cores.
Unit
4kW
6kW
8kW
10kW
12kW
14kW
16kW
12kW 3-PH
14kW 3-PH
16kW 3-PH
Maximum
overcurrent
protector(MOP)(A)
18
18
32
32
43
43
43
27
27
27
Wiring size(mm
2
)
4.0*
4.0*
8.0*
8.0*
10.0*
10.0*
10.0*
4.0*
4.0*
4.0*
L
L
L
N
N
N
N
N
L1
L1
L2
L2 L3
L3
Unit Power Supply
1-Phase
Unit Power Supply
1-Phase
Unit Power Supply
3-Phase
Unit Power Supply
3-Phase
