ENGINEERING INTELLIGENCE

    Equipment Health Monitoring for Chillers & HVAC Systems

    Engineering-based health monitoring for chillers, HVAC systems and cooling infrastructure that detects performance degradation before it becomes an energy, reliability or maintenance problem.

    Thermal
    Heat Transfer Health
    Evaporator, condenser and refrigerant cycle performance.
    Mechanical
    Compressor Reliability
    Bearings, oil system, motor loading and operating envelope.
    Hydraulic
    Water Side Performance
    Flow, ΔT, fouling and pumping efficiency.
    Outcome
    Engineering Diagnosis
    Evidence-based maintenance and reliability decisions.
    Equipment Health Monitoring
    LIVE ANALYSIS
    Equipment Health
    Condenser Approach+2.4°C
    Compressor Lift18.6°C
    Plant COP5.82
    LIVE ANALYSIS
    Collecting Data
    Validating Sensors
    Correlating Parameters
    Engineering Diagnosis
    ENGINEERING REASONING
    Cause
    ↑ Condenser Approach
    Effect
    ↑ Compressor Lift
    Impact
    ↓ Plant COP
    Recommendation
    Inspect Heat Rejection
    ECWT
    29.5°C
    Lift
    18.6°C
    COP
    5.82
    Health
    Normal
    Engineering Health Matrix

    Every engineering parameter tells a story.

    RHYDAK correlates refrigeration cycle, hydraulic performance, compressor loading, heat transfer and control behaviour to identify equipment degradation before performance, reliability or energy consumption are affected.

    Thermal Health

    Heat Transfer Performance

    • • Evaporator Approach
    • • Condenser Approach
    • • Discharge Superheat
    • • Liquid Subcooling
    • • Saturation Temperatures
    • • Heat Exchanger Fouling Trend
    Mechanical Health

    Compressor Reliability

    • • Compressor Lift
    • • Motor Current
    • • Oil Differential Pressure
    • • Oil Temperature
    • • Bearing Temperature
    • • Operating Envelope
    Engineering Outcome

    Evidence-Based Diagnosis

    • • Root Cause Identification
    • • Progressive Degradation Trend
    • • Reliability Assessment
    • • Condition-Based Maintenance
    • • Remaining Performance Margin
    • • Engineering Recommendation
    Engineering Correlation Engine

    One abnormal value does not indicate a fault.

    A high condensing temperature, low COP or elevated motor current does not independently identify the problem. RHYDAK correlates dozens of thermodynamic, hydraulic, electrical and control relationships simultaneously before identifying the engineering root cause.

    Collect Multi-System Evidence

    Temperatures, pressures, flow, power, compressor loading, VFD behaviour, control response and historical trends.

    Reject False Causes

    Different faults often produce similar symptoms. RHYDAK eliminates unlikely causes using engineering relationships before identifying the actual degradation mechanism.

    Identify Root Cause

    Instead of reporting alarms, RHYDAK explains why performance changed, what component is responsible, and what engineering action should be taken.

    Engineering Correlation Example

    High Condensing Pressure Investigation

    Condenser Approach+2.4°C
    Condenser Water ΔTNormal
    Compressor Lift↑ Increasing
    Motor Current↑ Increasing
    Plant COP↓ 5.42
    Likely Engineering Cause

    Condenser fouling is the most probable cause.

    Cooling tower degradation is unlikely because condenser water ΔT remains within the expected operating range.

    Engineering inspection should first focus on condenser tube cleanliness before investigating refrigerant charge or compressor condition.

    Engineering Decisions

    Knowing the fault is only the beginning.

    Engineering intelligence should lead to the correct maintenance strategy. RHYDAK prioritises actions based on equipment condition, performance impact, reliability risk and operating criticality.

    🟢

    Healthy

    Equipment operating within engineering limits. Continue monitoring and performance trending.

    🟡

    Monitor

    Progressive degradation detected. Schedule engineering inspection during planned maintenance.

    🟠

    Plan Intervention

    Performance deterioration is affecting plant efficiency. Corrective action should be prioritised during the next shutdown.

    🔴

    Immediate Action

    High reliability risk or severe thermodynamic deviation. Immediate engineering intervention recommended.

    Equipment Covered

    Engineering intelligence across the complete cooling infrastructure.

    Equipment health cannot be assessed by evaluating chillers alone. RHYDAK correlates the operating behaviour of every major component influencing cooling plant performance.

    Chiller Package

    • • Screw Compressors
    • • Centrifugal Compressors
    • • Scroll Compressors
    • • Evaporators
    • • Condensers
    • • Refrigerant Circuit

    Balance of Plant

    • • Chilled Water Pumps
    • • Condenser Water Pumps
    • • Cooling Towers
    • • Plate Heat Exchangers
    • • Variable Frequency Drives
    • • Control Valves

    Control & Electrical

    • • PLC & BMS Integration
    • • Control Sequences
    • • Sensors & Instrumentation
    • • Electrical Loading
    • • Motor Performance
    • • Plant Trending
    Engineering Parameters

    Critical parameters that define equipment health.

    RHYDAK evaluates engineering parameters that directly influence chiller efficiency, HVAC reliability, refrigeration performance and cooling infrastructure health. These parameters are analysed together to identify degradation trends and engineering root causes.

    Refrigeration Cycle

    • • Suction Superheat
    • • Discharge Superheat
    • • Liquid Subcooling
    • • Evaporating Temperature
    • • Condensing Temperature
    • • Compression Ratio

    Water Side

    • • CHW Supply Temperature
    • • CHW Return Temperature
    • • Condenser Water Temperature
    • • Evaporator ΔT
    • • Condenser ΔT
    • • Water Flow Rate

    Compressor

    • • Motor Current
    • • Oil Temperature
    • • Oil Differential Pressure
    • • Compressor Lift
    • • Runtime Hours
    • • Operating Envelope

    Plant Performance

    • • COP
    • • Plant kW/TR
    • • IPLV
    • • NPLV
    • • Cooling Capacity
    • • Equipment Health Index
    Applications

    Built for mission-critical cooling infrastructure.

    RHYDAK equipment health monitoring is designed for facilities where cooling performance, equipment reliability and energy efficiency directly influence operational continuity.

    Data Centres

    Continuous monitoring of mission-critical chillers, pumps, cooling towers and refrigeration systems supporting high-availability data centre cooling.

    Commercial HVAC

    Office buildings, hospitals, airports, hotels and institutional facilities operating central chilled water systems.

    Industrial Cooling

    Process cooling applications where equipment health directly affects production stability and product quality.

    Pharmaceutical & Healthcare

    Reliable cooling infrastructure supporting controlled environments, laboratories and manufacturing processes.

    Manufacturing

    Engineering health assessment for process chillers, utility systems and high-capacity industrial refrigeration equipment.

    Cooling Infrastructure

    Integrated engineering intelligence across chillers, pumps, cooling towers, heat exchangers, controls and complete chilled water plants.

    RHYDAK Engineering Workflow

    From plant data to engineering decisions.

    Every equipment health assessment follows a structured engineering methodology that transforms operating data into actionable recommendations.

    01

    Collect

    Operating data, trends and plant configuration

    02

    Validate

    Sensor quality and engineering consistency

    03

    Correlate

    Thermodynamic and hydraulic relationships

    04

    Diagnose

    Root cause of performance degradation

    05

    Recommend

    Maintenance and optimisation priorities

    06

    Verify

    Measure improvement after implementation

    Engineering Intelligence for Cooling Infrastructure

    Move beyond equipment monitoring.

    RHYDAK combines HVAC engineering expertise, thermodynamic analysis and equipment health monitoring to detect degradation, improve reliability and support engineering decisions across chillers and cooling infrastructure.

    RHYDAK Navigator

    Engineering Intelligence starts with the right question.

    Is your chiller consuming more energy than expected?