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Chiller Maintenance

Preventive maintenance, compressor overhauls, tube descaling and leak diagnostics.

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Cooling Tower Induced Draft Fan Balancing, Gearbox Overhaul, and Drift Eliminators

Blog

Aug 28, 2026 • 1 min read

Cooling Tower Induced Draft Fan Balancing, Gearbox Overhaul, and Drift Eliminators

Cooling towers reject heat into hot humid UAE air. Gearbox oil leaks, fan unbalance, and degraded drift eliminators compromise cooling efficiency. Maintain them.

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Chilled Water Closed-Loop Flushing, Chemical Passivation, and Nitrite Dosing

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Aug 27, 2026 • 1 min read

Chilled Water Closed-Loop Flushing, Chemical Passivation, and Nitrite Dosing

Untreated chilled water loops suffer from black iron oxide sludge, microbiological corrosion, and clogged fan coil strainers. Restore water quality.

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Dynamic Balancing & Vibration FFT Spectrum Analysis on Chiller Motors & Blowers

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Aug 26, 2026 • 4 min read

Dynamic Balancing & Vibration FFT Spectrum Analysis on Chiller Motors & Blowers

Mechanical vibration is the earliest signature of bearing failure, shaft misalignment, and unbalance. FFT spectrum analysis pinpoints faults without teardowns.

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Glycol Concentration Hydrometer Testing and pH Buffering for Sub-Zero Chillers

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Aug 25, 2026 • 4 min read

Glycol Concentration Hydrometer Testing and pH Buffering for Sub-Zero Chillers

Diluted or degraded glycol solutions cause catastrophic evaporator burst freezing. Regular refractometer testing and pH buffering protect process loops.

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Electronic Expansion Valve (EEV) Stepper Motor Calibration and Superheat Tuning

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Aug 24, 2026 • 1 min read

Electronic Expansion Valve (EEV) Stepper Motor Calibration and Superheat Tuning

An uncalibrated Electronic Expansion Valve wastes energy through evaporator hunting or risks sending liquid slugging into the compressor. Fine-tune your EEV.

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Centrifugal Chiller Surge Detection, Impeller Machining, and Purge Unit Servicing

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Aug 23, 2026 • 1 min read

Centrifugal Chiller Surge Detection, Impeller Machining, and Purge Unit Servicing

Centrifugal compressor surge causes violent reverse gas flow, shaking chillers and destroying bearings. Learn how surge prevention and purge maintenance save plants.

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Variable Frequency Drive (VFD) Inverter Harmonic Filtering & DC Bus Capacitor Health

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Aug 22, 2026 • 2 min read

Variable Frequency Drive (VFD) Inverter Harmonic Filtering & DC Bus Capacitor Health

VFD inverters modulate chiller compressors to save energy, but 50°C summer ambients dry out electrolytic DC bus capacitors. Keep VFDs running reliably.

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Chiller Approach Temperature Diagnostics: Identifying Fouling and Delta-P Drift

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Aug 21, 2026 • 4 min read

Chiller Approach Temperature Diagnostics: Identifying Fouling and Delta-P Drift

Approach temperature is the single most sensitive indicator of chiller heat exchanger health. Learn how to diagnose tube fouling before power bills surge.

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Microchannel Condenser Coil Repair vs Replacement in Corrosive Marine Zones

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Aug 20, 2026 • 4 min read

Microchannel Condenser Coil Repair vs Replacement in Corrosive Marine Zones

All-aluminum microchannel coils save weight and refrigerant, but coastal salt spray causes rapid galvanic corrosion. Know when to repair vs replace.

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