
Contents 3
Contents
Illustrated parts catalog ................................................................................................................. 5
Structural component identification .............................................................................................................. 5
Life safety component identification ............................................................................................................. 5
Electrical power component identification..................................................................................................... 8
Control cabinet component identification.................................................................................................... 12
HP POD 20c racks .................................................................................................................................. 13
Aisle clearances...................................................................................................................................... 14
Cold aisle clearance...................................................................................................................... 14
Hot aisle clearance........................................................................................................................ 15
Replaceable components.......................................................................................................................... 15
Installation considerations......................................................................................................................... 17
Safety and IEC compliance............................................................................................................. 17
Fire detection and suppression.................................................................................................................. 18
Removal and replacement procedures........................................................................................... 19
Buttons................................................................................................................................................... 19
EPO button ................................................................................................................................... 19
DIN rail components................................................................................................................................ 21
Control relay module ..................................................................................................................... 22
Door position devices .............................................................................................................................. 23
Limit switch ................................................................................................................................... 23
Electrical ................................................................................................................................................ 24
Busway drop box .......................................................................................................................... 24
Fans ...................................................................................................................................................... 28
IT cooling fan................................................................................................................................ 28
Cooling fan bank assembly ............................................................................................................ 30
Cooling fan controller .................................................................................................................... 32
Ventilation fan............................................................................................................................... 34
Filters..................................................................................................................................................... 35
Heat exchanger air filters ............................................................................................................... 35
VESDA filter.................................................................................................................................. 36
Rittal SK 3243 ventilation fan filter................................................................................................... 38
Fire alarm activation................................................................................................................................ 39
Manual call point safety glass replacement ....................................................................................... 39
Indicators ............................................................................................................................................... 42
ECS touchscreen and EPO indicators ............................................................................................... 42
Fluid system components .......................................................................................................................... 44
Chilled water supply and return header pressure sensors .................................................................... 45
Chilled water flow sensor ............................................................................................................... 46
Chilled water system temperature sensor .......................................................................................... 47
Chilled water temperature sensor internal components........................................................................ 49
Valves.......................................................................................................................................... 51
Heat exchanger ............................................................................................................................ 53
Humidifier .................................................................................................................................... 53
Lights..................................................................................................................................................... 57
LED light....................................................................................................................................... 57
Sensors.................................................................................................................................................. 58