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2 C120-H007-05EN
CHAPTER 1 Installation Planning Overview
A server system involving equipment that is too large to fit into the available office
space or a mixture of equipment having a combined heat dissipation over about 21
MJ/h (20000 Btu/h) would need to be installed in facilities meeting the computer
room installation requirements.
(1) Equipment suitable for office installation
Equipment meeting any of the following requirements is suitable for office
installation.
z Equipment that operates from a power supply of single-phase, and that can be
plugged in
z Equipment whose noise level is low enough to permit installation in a general
office environment
(Equipment with a height of 1 m or lower: Noise level of 47 dB (A) or less;
equipment with a height of 1 m or higher: Noise level of 50 dB (A) or less)
z Equipment with permissible ranges of temperature and humidity that meet
installation requirements in a general office environment
(Indoor temperature: 5 to 35°C; indoor humidity: 20 to 80% RH (operating) or 8 to
80% RH (not operating))
(2) Air conditioning and power requirements of equipment subject to
office installation, and associated facilities
The amount of heat dissipated by equipment subject to installation in an office, the
power requirements, and the number of equipment items installed may require
improvements to the air conditioning and power supply facilities in the office in
question. In installing equipment in an office space, it is important to review
beforehand the air conditioning facilities of the office and the ratings of the power
supplies available.
1.1.2 Computer room installation
Computer equipment appropriate for computer room installation is:
z A server system involving equipment that is too large to fit into the office space
z A mixture of equipment having combined heat dissipation over about 21 MJ/h
(20000 Btu/h)