44
5.2
Operation
5.2.1
Supply Voltage Connections
The 200A-3PH mk2 delta-star transformer is supplied with a 4 core supply cable. The cores
are marked to ensure correct phase rotation. The mains input lead is marked as follows:
L1
Brown
L2
Black
L3
Grey
Earth
Green and yellow
3 wire mains inlet connector
4 wire outlet connector
Figure 5.2 Mains inlet and three phase output connectors
5.2.2
Connections between units
Ensure that the supply is switched off.
Set
the
supply
voltage
selector
key
switch
to
match
the
supply
voltage.
SETTING THIS SWITCH TO THE WRONG VOLTAGE MAY DAMAGE THIS
UNIT AND ANY EQUIPMENT CONNECTED TO IT.
WARNING
DO NOT SWITCH THE SUPPLY VOLTAGE SELECTOR WITH POWER
APPLIED.
Connect the three phase output from the delta-star transformer to the 200A-3PH mk2 using
the interconnecting lead supplied.
Connect the single phase output from the unit to the DVS3 mk2, if required.
Switch on the supply.
Switch on the delta-star transformer.
Switch on the 200A-3PH mk2 and DVS3 mk2.
A
1
2
3
4
3
4
A
1
2
E
L3
L2
L1
L3
N
E
L1
L2