System Installation 3-1
3 System Installation
3.1 Preparations for Installation
Do not install the machine in the following locations:
Locations near heat generators;
Locations of high humidity;
Locations with flammable gases.
3.1.1 Electrical Requirements
3.1.1.1 Requirement of Regulated Power Supply
Power specification is showing in chapter 2.2.2. Due to the difference of the power supply
stability of different districts, please advise the user to adopt a regulator of good quality
and performance such as an on-line UPS.
3.1.1.2 Grounding Requirements
The power cable of the system is a three-wire cable, the protective grounding terminal of
which is connected with the grounding phase of the power supply. Please ensure that the
grounding protection of the power supply works normally.
DO NOT connect this system to outlets with the same
fuses that control the current of devices such as
life-support systems. If this system malfunctions and
generates an over current, or when there is an
instantaneous current at power ON, fuses of the
building’s supply circuit may be tripped.
3.1.1.3 EMI Limitation
Ultrasound machines are susceptible to Electromagnetic Interference (EMI) by radio
frequencies, magnetic fields, and transient in the air wiring. They also generate a weak
electromagnetic radiation. Possible EMI sources should be identified before the unit is
installed. Electrical and electronic equipment may produce EMI unintentionally as the
result of defect.
These sources include: medical lasers, scanners, monitors, cauterizing guns and so on.
Besides, other devices that may result in high frequency electromagnetic interference
such as mobile phone, radio transceiver and wireless remote control toys are not allowed
to be presented or used in the room. Turn off those devices to make sure the ultrasound
system can work in a normal way.
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