Case Study: The Cooling System Was Running — But the Data Hall Was Still Overheating
OverviewData center cooling systems are often designed with redundant cooling units, pumps, and power supplies.
Cooling and Environmental ControlArticles / Knowledge Base
Articles / Knowledge Base
60 results
Grounding vs. Earthing in Data Centers
The terms grounding and earthing are frequently used in data center electrical design. In everyday engineering conversation, they are sometimes treated as interchangeable.
Data Center Electrical Systems
Best Practices for Data Center Network Rooms, Meet-Me Rooms, and Telecommunications Distribution Infrastructure
IntroductionThe telecommunications and network infrastructure of a data center is one of the facility’s most important availability systems.
Networking and Telecommunications
Data Centre Fundamentals: How Critical Infrastructure Supports Digital Services
Comprehensive long-form Data Centre Fundamentals training article covering integrated critical infrastructure, resilience, power, cooling, operations, commissioning and lifecycle management.
Data Centre Fundamentals
Data Centre Electrical Fundamentals: From Utility Power to the IT Equipment
Comprehensive long-form Data Centre Fundamentals training article covering integrated critical infrastructure, resilience, power, cooling, operations, commissioning and lifecycle management.
Data Centre Fundamentals
Data Center Commissioning Lifecycle: From Design Review to Integrated Systems Testing
A practical guide to the full data center commissioning lifecycle, covering design review, submittal review, installation verification, pre-functional checks, functional testing, integrated systems testing, issue management and handover.
Testing and Commissioning
Alarm Management in Data Centers: Priorities, Escalation and Avoiding Alarm Fatigue
A practical guide to data center alarm management, covering alarm classification, priorities, delays, escalation, nuisance alarms, shelving, acknowledgment, ownership, incident correlation and continuous improvement.
BMS, EPMS and DCIM
Commissioning BMS, EPMS and DCIM: Proving Monitoring, Alarms and System Integration
A structured commissioning guide for BMS, EPMS and DCIM in data centers, covering point-to-point testing, scaling, alarm logic, control sequences, timestamps, network failures, dashboards, integrations and integrated systems testing.
BMS, EPMS and DCIM
Pre-Action Sprinkler Systems in Data Centers: Why Water Protection Still Matters
A practical explanation of pre-action sprinkler systems for data centers, covering dry piping, detection interfaces, single- and double-interlock concepts, accidental discharge risk, inspection, testing and operational considerations.
Health, Safety and Environment
Environmental Control in Data Centers: Temperature, Humidity, Dew Point and Sensor Strategy
A practical guide to environmental control for data centers, explaining temperature, humidity and dew point at IT inlets, ASHRAE equipment classes, sensor placement, alarm thresholds, trends and change control.
Cooling and Environmental Control
Data Center Electrical Distribution Architecture: From UPS Output to the IT Rack
A practical guide to data center electrical distribution from UPS output through switchboards, PDUs, RPPs, busways and rack PDUs, with emphasis on redundancy, selectivity, maintainability and failure domains.
Data Center Electrical Systems
Static Transfer Switches in Data Centers: Protecting Single-Corded Critical Loads
A practical explanation of Static Transfer Switches for data centers, covering dual-source operation, fast solid-state transfer, source quality, synchronization, fault behavior, maintenance and use with single-corded equipment.
Data Center Electrical Systems
UPS Battery Lifecycle Management: Commissioning, Maintenance, Replacement and End-of-Life Risk
Battery reliability is built across the complete lifecycle: specification, delivery, storage, installation, commissioning, monitoring, maintenance, replacement and disposal. Weak control at any stage can shorten useful life or hide risk until.
Batteries and Energy Storage
Data Center Power Architecture: Designing Resilient Electrical Paths from Utility to IT Load
A practical guide to resilient data center power architecture, covering utility sources, transformers, switchgear, UPS, generators, A/B paths, redundancy, failure domains and maintainability.
Data Center Electrical Systems
Managing Data Center Projects: Governance, Lifecycle and Decision Gates
A practical framework for governing data center projects through defined objectives, lifecycle stages, decision gates, accountability and controlled delivery.
Design and Project Management
Life-Cycle Costing for Data Centers: Looking Beyond Initial Purchase Price
How to evaluate data center infrastructure using lifecycle cost, including purchase, energy, maintenance, replacement, downtime exposure and end-of-life cost.
Financial and Economic Analysis
NPV, Payback and Discounted Cash Flow for Data Center Investments
A practical guide to evaluating data center investments using NPV, payback and discounted cash flow while documenting assumptions and uncertainty.
Financial and Economic Analysis
Human Factors in Data Center Operations: Designing Work to Reduce Error
A practical guide to reducing operational error in data centers through task design, procedures, supervision, verification and learning.
Human Factors and Organisational Culture
Health and Safety Management in Data Centers: Building a Critical-Facility Safety System
Extended educational engineering article covering occupational health and safety management across electrical, mechanical, fire, construction and operational activities, with practical controls, lifecycle considerations and reference-based guidance.
Health, Safety and Environment
Electrical Safety in Data Centers: Switching, Isolation, Arc-Flash Risk and Safe Work
Extended educational engineering article covering electrical safety for energized infrastructure, isolation, switching, verification and maintenance, with practical controls, lifecycle considerations and reference-based guidance.
Health, Safety and Environment
Permit to Work and LOTO in Data Centers: Controlling High-Risk Maintenance
Extended educational engineering article covering permit-to-work, energy isolation, lockout/tagout, simultaneous operations and safe restoration, with practical controls, lifecycle considerations and reference-based guidance.
Health, Safety and Environment
Fire, Battery and Chemical Safety in Data Centers: Managing Specialized Hazards
Extended educational engineering article covering fire protection interfaces, battery hazards, fuels, refrigerants, cleaning chemicals and emergency response, with practical controls, lifecycle considerations and reference-based guidance.
Health, Safety and Environment
Environmental Management for Data Centers: Energy, Water, Waste, Noise and Pollution Control
Extended educational engineering article covering environmental management covering energy, water, emissions, waste, noise, spills and lifecycle controls, with practical controls, lifecycle considerations and reference-based guidance.
Health, Safety and Environment
Data Center Audit Programs: Building Evidence-Based Assurance Across the Facility Lifecycle
Extended technical training article on data-center auditing and quality assurance with lifecycle evidence, QA/QC, commissioning and corrective-action guidance.
Auditing and Quality Assurance
Quality Assurance and Quality Control in Data Center Construction
Extended technical training article on data-center auditing and quality assurance with lifecycle evidence, QA/QC, commissioning and corrective-action guidance.
Auditing and Quality Assurance
Managing Nonconformities and Corrective Actions in Critical Data Centers
Extended technical training article on data-center auditing and quality assurance with lifecycle evidence, QA/QC, commissioning and corrective-action guidance.
Auditing and Quality Assurance
Technical Documentation Audits for Data Centers: Proving the Facility Matches Its Records
Extended technical training article on data-center auditing and quality assurance with lifecycle evidence, QA/QC, commissioning and corrective-action guidance.
Auditing and Quality Assurance
Commissioning Quality Audits: Verifying Data Center Systems Before Operational Acceptance
Extended technical training article on data-center auditing and quality assurance with lifecycle evidence, QA/QC, commissioning and corrective-action guidance.
Auditing and Quality Assurance
Physical Security Architecture for Data Centers: Defense in Depth from Perimeter to Critical Rooms
Extended technical training article on physical security architecture, access control, monitoring, resilience, commissioning and operations in data centers.
Security and Compliance
Data Center Access Control Systems: Identity, Authorization, Anti-Passback and Auditability
Extended technical training article on physical security architecture, access control, monitoring, resilience, commissioning and operations in data centers.
Security and Compliance
CCTV and Security Monitoring in Data Centers: Designing for Detection, Investigation and Evidence
Extended technical training article on physical security architecture, access control, monitoring, resilience, commissioning and operations in data centers.
Security and Compliance
Visitor, Contractor and Escort Security in Data Centers
Extended technical training article on physical security architecture, access control, monitoring, resilience, commissioning and operations in data centers.
Security and Compliance
Security Control Rooms and Incident Response for Data Centers
Extended technical training article on physical security architecture, access control, monitoring, resilience, commissioning and operations in data centers.
Security and Compliance
Business Continuity for Data Centers: Building Resilience Beyond Redundant Equipment
Extended technical training article covering data-center business continuity, disaster recovery, BIA, recovery objectives, crisis management and exercising.
Business Continuity and Disaster Recovery
Data Center Disaster Recovery Strategy: Aligning Facilities, IT Services and Recovery Objectives
Extended technical training article covering data-center business continuity, disaster recovery, BIA, recovery objectives, crisis management and exercising.
Business Continuity and Disaster Recovery
Business Impact Analysis for Data Centers: Translating Service Criticality into Infrastructure Priorities
Extended technical training article covering data-center business continuity, disaster recovery, BIA, recovery objectives, crisis management and exercising.
Business Continuity and Disaster Recovery
Data Center Emergency and Crisis Management: Command, Communication and Controlled Recovery
Extended technical training article covering data-center business continuity, disaster recovery, BIA, recovery objectives, crisis management and exercising.
Business Continuity and Disaster Recovery
Testing Data Center Business Continuity and Disaster Recovery Plans: Exercises, Failover and Lessons Learned
Extended technical training article covering data-center business continuity, disaster recovery, BIA, recovery objectives, crisis management and exercising.
Business Continuity and Disaster Recovery
Data Centre Availability and Resilience: Understanding Redundancy, Failure Domains and Maintainability
Comprehensive long-form Data Centre Fundamentals training article covering integrated critical infrastructure, resilience, power, cooling, operations, commissioning and lifecycle management.
Data Centre Fundamentals
Data Centre Cooling Fundamentals: Heat Removal, Airflow and Environmental Control
Comprehensive long-form Data Centre Fundamentals training article covering integrated critical infrastructure, resilience, power, cooling, operations, commissioning and lifecycle management.
Data Centre Fundamentals
Data Centre Physical Infrastructure Fundamentals: Space, Racks, Cabling, Fire and Security
Comprehensive long-form Data Centre Fundamentals training article covering integrated critical infrastructure, resilience, power, cooling, operations, commissioning and lifecycle management.
Data Centre Fundamentals
Data Centre Operations Fundamentals: Monitoring, Maintenance, Change, Incidents and Lifecycle Management
Comprehensive long-form Data Centre Fundamentals training article covering integrated critical infrastructure, resilience, power, cooling, operations, commissioning and lifecycle management.
Data Centre Fundamentals
Power Transformers in Data Centers: Selection, Sizing, Loading, Efficiency and Resilience
Comprehensive long-form training article covering transformers, MV switchgear, protection, short-circuit studies, commissioning, maintenance and failure response in data centers.
Utility Supply and Transformers
Medium-Voltage Switchgear for Data Centers: Architecture, Ratings, Interlocks and Internal-Arc Safety
Comprehensive long-form training article covering transformers, MV switchgear, protection, short-circuit studies, commissioning, maintenance and failure response in data centers.
Utility Supply and Transformers
Protection Coordination for Data Center MV Systems: Relays, CTs, VTs, Breakers and Selective Fault Clearing
Comprehensive long-form training article covering transformers, MV switchgear, protection, short-circuit studies, commissioning, maintenance and failure response in data centers.
Utility Supply and Transformers
Short-Circuit, Earthing and Arc-Fault Engineering in Data Center Medium-Voltage Networks
Comprehensive long-form training article covering transformers, MV switchgear, protection, short-circuit studies, commissioning, maintenance and failure response in data centers.
Utility Supply and Transformers
Transformer and MV Commissioning in Data Centers: FAT, Site Tests, Protection and Functional Switching
Comprehensive long-form training article covering transformers, MV switchgear, protection, short-circuit studies, commissioning, maintenance and failure response in data centers.
Utility Supply and Transformers
Transformer and Medium-Voltage Operations and Maintenance: Condition Monitoring, Switching and Failure Response
Comprehensive long-form training article covering transformers, MV switchgear, protection, short-circuit studies, commissioning, maintenance and failure response in data centers.
Utility Supply and Transformers
Data Center Airflow Fundamentals: A Data Center Engineering Guide
Comprehensive long-form engineering article on Airflow and Containment, covering design, resilience, safety, commissioning, operations, maintenance and lifecycle management.
Cooling and Environmental Control
Hot-Aisle and Cold-Aisle Containment: A Data Center Engineering Guide
Comprehensive long-form engineering article on Airflow and Containment, covering design, resilience, safety, commissioning, operations, maintenance and lifecycle management.
Cooling and Environmental Control
Rack Airflow Management for High-Density IT: A Data Center Engineering Guide
Comprehensive long-form engineering article on Airflow and Containment, covering design, resilience, safety, commissioning, operations, maintenance and lifecycle management.
Cooling and Environmental Control
Data Hall Pressure and Air Balance: A Data Center Engineering Guide
Comprehensive long-form engineering article on Airflow and Containment, covering design, resilience, safety, commissioning, operations, maintenance and lifecycle management.
Cooling and Environmental Control
Airflow and Containment Commissioning: A Data Center Engineering Guide
Comprehensive long-form engineering article on Airflow and Containment, covering design, resilience, safety, commissioning, operations, maintenance and lifecycle management.
Cooling and Environmental Control
Airflow Troubleshooting and Optimization: A Data Center Engineering Guide
Comprehensive long-form engineering article on Airflow and Containment, covering design, resilience, safety, commissioning, operations, maintenance and lifecycle management.
Cooling and Environmental Control
Preventive Maintenance Strategy for Critical Data Centers: A Data Center Engineering Guide
Comprehensive long-form engineering article on Preventive and Corrective Maintenance, covering design, resilience, safety, commissioning, operations, maintenance and lifecycle management.
Preventive and Corrective Maintenance
Condition-Based Maintenance and Asset Health: A Data Center Engineering Guide
Comprehensive long-form engineering article on Preventive and Corrective Maintenance, covering design, resilience, safety, commissioning, operations, maintenance and lifecycle management.
Preventive and Corrective Maintenance
Corrective Maintenance in Live Data Centers: A Data Center Engineering Guide
Comprehensive long-form engineering article on Preventive and Corrective Maintenance, covering design, resilience, safety, commissioning, operations, maintenance and lifecycle management.
Preventive and Corrective Maintenance
Maintenance Under Reduced Redundancy: A Data Center Engineering Guide
Comprehensive long-form engineering article on Preventive and Corrective Maintenance, covering design, resilience, safety, commissioning, operations, maintenance and lifecycle management.
Preventive and Corrective Maintenance
Maintenance Quality Control and Return to Service: A Data Center Engineering Guide
Comprehensive long-form engineering article on Preventive and Corrective Maintenance, covering design, resilience, safety, commissioning, operations, maintenance and lifecycle management.
Preventive and Corrective Maintenance
Maintenance Optimization and Lifecycle Reliability: A Data Center Engineering Guide
Comprehensive long-form engineering article on Preventive and Corrective Maintenance, covering design, resilience, safety, commissioning, operations, maintenance and lifecycle management.
Preventive and Corrective Maintenance