1100 Series Nano Pump Service Manual 229
Introduction to the Nano Pump 5
No accessible hardware fuse is needed because the main power supply is safe
against any short circuits or overload conditions on the output lines. When
overload conditions occur, the power supply turns off all output voltages.
Turning the line power off and on again resets the power supply to normal
operation if the cause of the overload condition has been removed.
An over-temperature sensor in the main power supply is used to turn off
output voltages if the temperature exceeds the acceptable limit (for example, if
the cooling fan of the instrument fails). To reset the main power supply to
normal operating conditions, turn the instrument off, wait until it is
approximately at ambient temperature and turn the instrument on again.
The following table gives the specifications of the main power supply.
Table 62 Main Power Supply Specifications
Maximum power 300 VA / 200 W Continuous output
Line Input 100 – 240 volts AC
± 10 %, line frequency of 50/60 Hz
Wide ranging
Output 1 + 24 V / 4.5 A (maximum) total power consumption of + 24 V
and +36 V must not exceed 107 W.
Output 2 + 36 V / 2.5 A (maximum)
Output 3 + 5 V / 3 A
Output 4 + 15 V / 0.3 A
Output 5 - 15V / 0.3 A
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