IBM 6648 User Guide - Page 128
Input kilovolt-amperes, Heat output
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UPC - 087944583387
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Air temperature: System on: 10°to 35°C (50° to 95°F) System off: 10° to 43°C (50° to 110°F) Humidity: System on: 8% to 80% System off: 8% to 80% Maximum altitude: 2134 m (7000 ft.) Electrical input Input voltage: Low range: Minimum: 90 V ac Maximum: 137 V ac Input frequency range: 57-63 Hz Voltage switch setting: 115 V High range: Minimum: 180 V ac Maximum: 265 V ac Input frequency range: 47-53 Hz Voltage switch setting: 230 V Input kilovolt-amperes (kVA) (approximately): Minimum configuration as shipped: 0.08 kVA Maximum configuration: 0.30 kVA Note: Power consumption and heat output vary depending on the number and type of optional features installed and the power-management optional features in use. Heat output Approximate heat output in British thermal units (Btu) per hour: Minimum configuration: 240 Btu/hr. (75 watts) Maximum configuration: 705 Btu/hr. (207 watts) Airflow Approximately 0.5 cubic meters per minute (18 cubic feet per minute) Acoustical noise-emission values Average sound-pressure levels: At operator position: Idle: 38 dBA Operating: 43 dBA At bystander position-1 meter (3.3 ft.): Idle: 33 dBA Operating: 37 dBA Declared (upper limit) sound power levels: Idle: 4.8 bels Operating: 5.1 bels Note: These levels were measured in controlled acoustical environments according to procedures specified by the American National Standards Institute (ANSI) S12.10 and ISO 7779, and are reported in accordance with ISO 9296. Actual sound-pressure levels in your location might exceed the average values stated because of room reflections and other 114 User Guide
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