GE HEALTHCARE
D
IRECTION 5141177-100, REVISION 14 BRIGHTSPEED ELITE, EDGE, EXCEL: PRE-INSTALLATION
Chapter 5 - Environmental Conditions Page 97
5 – Environmental
Conditions
Chapter 5
Environmental Conditions
Ratings and duty cycles of CT subsystems apply if site environment meets the standards of this
section. Maintain environmental conditions listed below at all times – including, for example,
overnight, weekends and holidays. Shut down the CT system if air conditioning is not working.
When system is shut down for major repair, air conditioning may be shut down also.
NOTICE Silver, copper, gold films used in the CT system are especially sensitive to the presence of
sulfide, chloride and nitrate contaminates. Sulfur is the most damaging. If high levels of
contaminates exist site may want to consider appropriate air filtration systems.
Section 1.0
Temperature and Humidity Specifications
Environmental specifications apply to the table, gantry, power distribution unit, and operating
console.
NOTICE System Operation and Image Quality may be affected, if environmental specifications are
exceeded.
1.1 Temperature (Scan Room & Control Room)
Equipment Room: If a separate equipment room is used to house the PDU, the allowable
temperature range is 64º - 79º F (18º - 26º C).
Maximum allowable ambient room temperature: 26º C (79º F)
Recommended ambient room temperature: 22º C (72º F)
Minimum allowable ambient room temperature: 18º C (64º F)
Maximum allowable ambient room temperature rate of change: 3º C/hr. (5º F/hr. )
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