HP Modular Cooling System Restoring water flow

a.Connect the primary power cable.

b.Connect the secondary power cable.

Restoring water flow

If water was disconnected, restore water flow to the MCS unit at the facility-side valve.

Removal and replacement procedures 74

Contents

HP Modular Cooling System G2 Maintenance and Service Guide Page Contents Page Parts only warranty service Service de garantie "pièces seules Servizio di garanzia per i soli componenti Parts-onlyWarranty Service (Garantieservice ausschließlich für Teile) Servicio de garantía exclusivo de componentes Garantieservice "Parts Only Serviço de garantia apenas para peças Page Page Page Page Replaceable spare parts Page Page Page Overview Spare replacement tips Spare replacement video Component location Required tools Safety considerations Rack warnings and cautions Preparation procedures Disconnecting the power Turning off the water Draining water from the MCS G2 unit AC transfer switch Removing the AC transfer switch Replacing the AC transfer switch Air bleeder valve Removing the air bleeder valve Replacing the air bleeder valve Bottom fan unit Removing the bottom fan unit Replacing the bottom fan unit Condensation pump Removing the condensation pump Page Replacing the condensation pump Page Fan controller Removing the fan controller Replacing the fan controller Fan unit Removing the fan unit Replacing the fan unit Flow meter sensor Removing the flow meter sensor Page Replacing the flow meter sensor Page Page Page Front automatic door release Removing the front automatic door release Replacing the front automatic door release Management module Removing the management module Page Replacing the management module Operator display Removing the operator display Page Replacing the operator display Page Rear automatic door release Removing the rear automatic door release Replacing the rear automatic door release Page Water controller Removing the water controller Page Replacing the water controller Page Water level sensors Removing the water level sensors Replacing the water level sensors Page Page Water valve Removing the water valve Page Page Page Replacing the water valve Page Page Page Operation checklist Reconnecting the main water hoses Reconnecting the power Restoring water flow Maintenance and service Air and water heat exchanger maintenance Water quality requirements and specifications Acceptable water quality specifications Frost damage Water precautions Plumbing materials to avoid Condensation management Diagnostic tools HP Modular Cooling System troubleshooting MCS specifications Thermal and air flow performance Environmental specifications HP 10642 G2 Rack specifications Acronyms and abbreviations Index