Chilled water flow sensor ............................................................................................................... 47
Heat exchanger ............................................................................................................................ 51
Humidifier .................................................................................................................................... 52
Humidistat (if installed) ................................................................................................................... 56
Valves.................................................................................................................................................... 58
Periodic maintenance .................................................................................................................. 61
Periodic maintenance overview ................................................................................................................. 61
Qualified personnel ................................................................................................................................. 61
Cooling system ....................................................................................................................................... 61
Leak detection ............................................................................................................................... 62
Leak isolation ................................................................................................................................ 62
Humidifier (if installed) ............................................................................................................................. 63
ECS ....................................................................................................................................................... 64
Electrical ................................................................................................................................................ 64
HP POD 20c structure .............................................................................................................................. 66
Life safety ............................................................................................................................................... 67
Access control ......................................................................................................................................... 68
Third-party components ............................................................................................................................ 68
Specifications ............................................................................................................................. 69
Electrical specifications .................................................................................................................. 69
Water specifications ...................................................................................................................... 70
Rack specifications .................................................................................................................................. 70
Environmental specifications ..................................................................................................................... 70
Contacting HP ............................................................................................................................ 72
Before you contact HP .............................................................................................................................. 72
HP contact information ................................................................................................................... 72
Regulatory information ................................................................................................................ 73
Safety and NEC compliance ........................................................................................................... 73
Warranty information .............................................................................................................................. 75
Glossary .................................................................................................................................... 76
Documentation feedback ............................................................................................................. 78
Index ......................................................................................................................................... 79
Contents 4