HP Modular Cooling System manual 4

Replacing the operator display........................................................................................................	51
Rear automatic door release .....................................................................................................................	53
Removing the rear automatic door release ........................................................................................	54
Replacing the rear automatic door release ........................................................................................	55
Water controller......................................................................................................................................	57
Removing the water controller .........................................................................................................	57
Replacing the water controller .........................................................................................................	59
Water level sensors .................................................................................................................................	61
Removing the water level sensors.....................................................................................................	61
Replacing the water level sensors ....................................................................................................	62
Water valve ...........................................................................................................................................	65
Removing the water valve ...............................................................................................................	65
Replacing the water valve...............................................................................................................	69
Operation checklist..................................................................................................................................	73
Reconnecting the main water hoses..................................................................................................	73
Reconnecting the power .................................................................................................................	73
Restoring water flow ......................................................................................................................	74
Maintenance ..............................................................................................................................	75
Maintenance and service .........................................................................................................................	75
Air and water heat exchanger maintenance......................................................................................	75
Water quality requirements and specifications ............................................................................................	75
Acceptable water quality specifications ............................................................................................	75
Frost damage................................................................................................................................	76
Water precautions.........................................................................................................................	76
Plumbing materials to avoid ............................................................................................................	77
Condensation management ......................................................................................................................	77
Diagnostic tools ......................................................................................................................................	77
Troubleshooting ..........................................................................................................................	78
HP Modular Cooling System troubleshooting...............................................................................................	78
Specifications.............................................................................................................................	79
MCS specifications..................................................................................................................................	79
Thermal and air flow performance ...................................................................................................	80
Environmental specifications ...........................................................................................................	80
HP 10642 G2 Rack specifications.............................................................................................................	80
Acronyms and abbreviations........................................................................................................	81
Index.........................................................................................................................................	82