No. 2A201-519EN*A
7
CONTENTS - continued
Page
8.
ELECTRICAL WORK----------------------------------------------------------------------------------------------------33
8.1
Electrical Equipment --------------------------------------------------------------------------------------------33
8.1.1
Electrical specification------------------------------------------------------------------------------33
8.1.2
Power transformer and power distribution ----------------------------------------------------34
8.1.2.1
Power transformer and power distribution cabling --------------------------34
8.1.2.2
Grounding for power transformer and hospital power supply ------------37
8.1.3
Ground fault interrupter ----------------------------------------------------------------------------38
8.1.3.1
Leakage current ---------------------------------------------------------------------38
8.1.3.2
Countermeasures -------------------------------------------------------------------39
8.1.4
Voltage regulation-----------------------------------------------------------------------------------40
8.1.5
Countermeasures against high-frequency electromagnetic radiation ------------------40
8.2
Power Distribution Board --------------------------------------------------------------------------------------41
8.3
Grounding ---------------------------------------------------------------------------------------------------------41
8.4
Electrical Equipment --------------------------------------------------------------------------------------------42
8.5
Illumination --------------------------------------------------------------------------------------------------------42
8.6
Cable Connections Between the Units ---------------------------------------------------------------------42
8.7
Installing a Public Telephone Line Jack for InnerVision ------------------------------------------------49
9.
AIR CONDITIONING/WATER SUPPLY AND DRAINAGE WORKS-----------------------------------------50
9.1
Air Conditioning --------------------------------------------------------------------------------------------------50
9.2
Water Supply and Drainage-----------------------------------------------------------------------------------51
10.
OUTLINE DRAWINGS --------------------------------------------------------------------------------------------------51
A.
APPENDIX -----------------------------------------------------------------------------------------------------------------62
A.1
HANDLING EMC-------------------------------------------------------------------------------------------------62
A.1.1
Effects of EMI noise and countermeasures---------------------------------------------------62
A.1.2
Influence of static electricity and required countermeasures -----------------------------65