materials,andconfigurationoftheroom;thenoiselevelsfromotherequipment;theroomambient
temperatureandpressure,andemployees'locationinrelationtotheequipment.
Heatoutput:
Approximateheatoutput:
•Minimumconfiguration:525.45Btuperhour(AC154watts)
•Maximumconfiguration:6667Btuperhour(AC1954watts)
Environment:
TheLenovoSystemx3650M5computenodecomplieswithASHRAEclassA3specifications.
Poweron:
•Temperature:5°C–40°C(41°F–104°F)upto950m(3117ft).Above950m(3117ft),de-rated
maximumairtemperatureis1°C(33.8°F)per175m(574ft).
•Humidity,non-condensing:-12°Cdewpoint(10.4°F)and8%–85%relativehumidity.
•Maximumdewpoint:24°C(75°F)
•Maximumaltitude:3050m(10000ft)and5°C–28°C(41°F–82°F)
•Maximumrateoftemperaturechange:5°C/hr(41°F/hr)fortapedrive,20°C/hr(68°F/hr)forHDDs
Poweroff:
•Temperature:5°C–45°C(41°F–113°F)
•Relativehumidity:8%–85%
•Maximumdewpoint:27°C(80.6°F)
Storage(non-operating):
•Temperature:1°C–60°C(33.8°F–140°F)
•Altitude:3050m(10000ft)
•Relativehumidity:5%–80%
•Maximumdewpoint:29°C(84.2°F)
Shipment(non-operating):
•Temperature:-40°C–60°C(-40°F–140°F)
•Altitude:10,700m(35105ft)
•Relativehumidity:5%–100%
•Maximumdewpoint:29°C(84.2°F)
Attention:
•DesigntoASHRAEClassA3,ambientof40°C(104°F),withrelaxedsupport:
–Supportcloudlikeworkloadwithnoperformancedegradationacceptable(Turbo-Off).
–Undernocircumstance,cananycombinationofworstcaseworkloadandconfigurationresultin
systemshutdownordesignexposureat40°C(104°F).
•Chassisispoweredon.
•A3-Deratemaximumallowabletemperature1°C(33.8°F)per175m(574ft)above950m(3117ft).
•TheminimumhumiditylevelforclassA3isthehigher(moremoisture)ofthe-12°C(10.4°F)dewpoint
andthe8%relativehumidity.Theseintersectatapproximately25°C(77°F).Belowthisintersection
10LenovoSystemx3650M5InstallationandServiceGuide