LS User Manual 9
3.3 VOLTAGE SELECTION
The LS can be used with electricity supplies of either 230Vac ±10% or 115Vac ±10%. The power in-
put cable should be inserted at the rear of the machine. Before switching on the machine you MUST
check the correct voltage has been selected on the mains input connector. Ensure that the selection
is correct for the voltage of your power supply.
CAUTION: You must check to ensure the correct voltage has been selected on the mains
input connector before you switch the machine ON.
To change the voltage setting, unplug the mains lead from the back of the machine and use a
screwdriver to open the voltage selector. The screwdriver should then be used to move the selector
from the 115V position to the 230V position as appropriate. You MUST also check that the fuse rating
is suitable for the supply voltage that you are using. The fuses (live and neutral) located inside the
power input connector.
3.4 COMPUTER AND OTHER CONNECTIONS
Use lead part number CBT/1357/00, supplied in the accessory kit with the LS, to connect the machine
to a computer.
NOTE: To maintain EMC compatibility, only connection leads supplied by LLOYD
INSTRUMENTS should be used to connect this equipment to computers and/or
accessories.
Main Power SwitchPower Mains Input
Voltage Selection
The LS test machine uses two ceramic high breaking capacity type fuses (20mm x 5mm) as shown
above. The two fuses are assembled into the power entry module fuse block as shown above.
WARNING: Replace the fuses with the exact same type and rating as the ones supplied by
factory. Do not replace with higher or lower rated fuses.
Fuse Ratings and Part Numbers
Model Fuse Rating Part Number Type
LS1 - 115VAC 3.15A SPK/LS/0011/A T3A15H250V
LS1 - 230VAC 3.15A SPK/LS/0011/A T3A15H250V
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