A-7
Use Table A-6 to calculate the system’s heat dissipation. Depending on the component combination
used, the air conditioning requirements differ between systems.
To account for the heat dissipation by accessory equipment, lights, and people, complete Table A-3
using the following guidelines:
• Consider the heat dissipated by special interface equipment (supplied by other vendors) as
well as that produced by auxiliary equipment such as electric typewriters or any other
electronic instruments. For these values, consult the appropriate vendors documentation.
• Estimate the heat produced by the lights used to illuminate the facility.
• Calculate the heat dissipation of all individuals working within the site. A reasonable estimate
is approximately 176 Watts/hr (600 BTU/hr) per person.
Table A-6. Worksheet for Heat Dissipation Calculations by Machine Type
Equipment Type
Product
Number
Watts (W) BTU/hr
Number of
Machines (B)
Total Heat
Dissipation
Computer
Expansion Cabinet
Disk Drive
Mag Tapes
Printers
Terminals
Other
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