Contents 4
Environmental specifications ........................................................................................................... 62
HP 10642 G2 Rack specifications............................................................................................................. 62
Replaceable parts and maintenance and service information ........................................................... 63
Replaceable parts ................................................................................................................................... 63
Maintenance and service ......................................................................................................................... 63
Air and water heat exchanger maintenance...................................................................................... 63
Water quality and leveling requirements, and condensation management......................................... 64
Water quality requirements and specifications ............................................................................................ 64
Cooling water composition guidelines.............................................................................................. 64
Acceptable water quality range....................................................................................................... 64
Monitoring the quality of cooling solutions........................................................................................ 66
Frost damage................................................................................................................................ 66
Leveling requirements............................................................................................................................... 66
Condensation management ...................................................................................................................... 67
Technical support........................................................................................................................ 68
Before you contact HP.............................................................................................................................. 68
HP contact information............................................................................................................................. 68
Customer Self Repair ............................................................................................................................... 68
Regulatory compliance notices ..................................................................................................... 76
Regulatory compliance identification numbers............................................................................................. 76
Federal Communications Commission notice............................................................................................... 76
Modifications.......................................................................................................................................... 76
Cables................................................................................................................................................... 77
Canadian notice ..................................................................................................................................... 77
European Union regulatory notice ............................................................................................................. 77
Disposal of waste equipment by users in private households in the European Union......................................... 78
Japanese class A notice ........................................................................................................................... 78
BSMI notice............................................................................................................................................ 78
Korean class A notice .............................................................................................................................. 78
Laser compliance .................................................................................................................................... 78
Battery replacement notice........................................................................................................................ 79
Taiwan battery recycling notice................................................................................................................. 79
Power cord statement for Japan................................................................................................................. 80
Acronyms and abbreviations........................................................................................................ 81
Index......................................................................................................................................... 83
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