Table of Contents
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Contents
Illustrated parts catalog ................................................................................................................. 5
Structural component identification .............................................................................................................. 5
Life safety component identification ............................................................................................................. 6
Electrical power component identification ..................................................................................................... 7
Control cabinet component identification ...................................................................................................... 9
HP POD 20c racks .................................................................................................................................. 10
Aisle clearances ...................................................................................................................................... 10
Cold aisle clearance ...................................................................................................................... 10
Hot aisle clearance ........................................................................................................................ 11
Replaceable components for China models ................................................................................................. 11
Overview ................................................................................................................................... 13
Installation considerations ......................................................................................................................... 13
(Optional) Fire suppression system ............................................................................................................. 13
Removal and replacement procedures ........................................................................................... 14
Buttons ................................................................................................................................................... 14
EPO button ................................................................................................................................... 14
DIN rail components ................................................................................................................................ 15
Control relay module ..................................................................................................................... 15
Differential pressure sensor ............................................................................................................. 16
Door position devices .............................................................................................................................. 18
Magnetic contacts ......................................................................................................................... 18
Electrical ................................................................................................................................................ 19
Busway drop box .......................................................................................................................... 19
Fans ...................................................................................................................................................... 22
IT cooling fan ................................................................................................................................ 22
Ventilation fan ............................................................................................................................... 24
Filters ..................................................................................................................................................... 26
Heat exchanger air filters ............................................................................................................... 26
VESDA filter .................................................................................................................................. 27
Rittal SK 3326 ventilation fan filter ................................................................................................... 28
Indicators ............................................................................................................................................... 30
ECS touchscreen and EPO indicators ............................................................................................... 30
Lights ..................................................................................................................................................... 32
LED light ....................................................................................................................................... 32
Sensors .................................................................................................................................................. 33
Heat exchanger condensate drain pan sensors .................................................................................. 33
Chilled water supply and return header drain pan sensors .................................................................. 34
Humidistat .................................................................................................................................... 35
Humidity sensor ............................................................................................................................. 37
Chilled water system temperature sensor .......................................................................................... 39
Chilled water temperature sensor internal components ........................................................................ 40
Temperature sensor (cold aisle) ....................................................................................................... 43
Temperature sensors (hot aisle) ........................................................................................................ 44
Fluid system components .......................................................................................................................... 45
Chilled water supply and return header pressure sensors .................................................................... 45
Contents 3
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