Installation
Mains Operating Voltage
Check that the instrument operating voltage marked on the rear panel is suitable for the local
supply. Should it be necessary to change the operating voltage, proceed as follows:
1.
Ensure that the instrument is disconnected from the AC supply.
2.
Remove the 6 screws holding the case upper and lift off the cover.
3.
Change the plug-in connections between the transformer and main board following the
diagram below:
BROWN
RED
(VIEW FROM ABOVE)
(VIEW FROM ABOVE)
230V OPERATION
115V OPERATION
BLUE
BLUE
RED
BROWN
L
N
P
P
(PARK)
(PARK)
L
N
4.
Re-assemble in the reverse order.
5.
To comply with safety standard requirements the operating voltage on the rear panel must
be changed to clearly show the new voltage setting.
Mains Lead
When a three core mains lead with bare ends is provided this should be connected as follows:
BROWN
- MAINS
LIVE
BLUE - MAINS
NEUTRAL
GREEN/YELLOW
- EARTH
Safety
Earth
Symbol
When fitting a fused plug a 5 amp fuse should be fitted inside the plug. As the colours of the
wires in the mains lead of this apparatus may not correspond with the coloured markings
identifying the terminals in your plug proceed as follows:
The wire which is coloured green-and-yellow must be connected to the terminal in the plug which
is marked by the letter E or by the safety earth symbol shown above or coloured green or green-
and-yellow.
The wire which is coloured blue must be connected to the terminal which is marked with the letter
N or coloured black.
The wire which is coloured brown must be connected to the terminal which is marked with the
letter L or coloured red.
WARNING! THIS INSTRUMENT MUST BE EARTHED
.
Any interruption of the mains earth conductor inside or outside the instrument will make the
instrument dangerous. Intentional interruption is prohibited.
Mounting
This instrument is suitable both for bench use and rack mounting. It is delivered with feet for
bench mounting. The front feet include a tilt mechanism for optimal panel angle.
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