At EKG (Malaysia) Sdn Bhd, we offer expert chiller performance tuning with demand flow control, designed to unlock the full potential of your cooling system. By aligning chilled water and refrigerant flow with real-time load requirements, our demand flow tuning service enhances energy efficiency, reduces wear on components, and ensures consistently reliable performance under all operating conditions.
Demand flow-based tuning involves optimizing the interaction between chillers, pumps, fans, and control systems to ensure that cooling output precisely matches building or process demand. Instead of running at fixed speeds or static setpoints, the system uses dynamic, real-time feedback to adjust how much and how fast chilled water and refrigerant are circulated—maximizing performance while minimizing energy waste.
1. System Assessment & Data Logging
We begin with a detailed audit of your chiller’s current operating conditions, load profile, and inefficiencies.
2. Delta-T Optimization
We fine-tune the chilled water temperature differential to improve heat exchange and avoid over-pumping.
3. Pump & Fan Speed Calibration
Variable speed drives (VSDs) are adjusted to match system demand and eliminate unnecessary power usage.
4. Compressor Load Balancing
Optimizing compressor staging, unloading, and modulation to avoid short cycling and improve part-load efficiency.
5. Expansion Valve Adjustment
Calibration of thermostatic or electronic expansion valves (TXVs/EXVs) for precise refrigerant metering.
6. Control Logic Tuning
Modification of chiller PLC or BMS control sequences to support demand-based operation, temperature resets, and smarter start/stop cycles.
7. Post-Tuning Testing & Reporting
System is re-evaluated under real load conditions with performance benchmarking and full reporting.
Up to 30–40% energy savings, especially at part load
Enhanced system responsiveness and load adaptability
Reduced compressor cycling and pump stress
More consistent zone temperature and humidity control
Lower maintenance frequency and repair costs
Support for green building certifications and ESG goals
Buildings with fluctuating cooling demand (e.g. malls, offices, hotels)
Industrial facilities using process cooling
Multi-chiller or multi-zone systems needing coordination and load sharing
Existing chiller plants undergoing energy retrofits or control upgrades
Facilities preparing for energy audits or sustainability compliance
Experts in HVAC optimization, flow control, and system tuning
Skilled in handling scroll, screw, and reciprocating compressors
Seamless integration with VSDs, BMS platforms, and OEM control systems
Complete service—from audit and adjustment to validation and support
Transparent performance tracking with before/after energy comparisons
With rising energy costs and increasing performance demands, precise chiller tuning is more important than ever. EKG (Malaysia) Sdn Bhd’s demand flow-based chiller performance tuning ensures your cooling system runs smarter, lasts longer, and saves more.
Contact us today to schedule a performance audit or customized tuning service.
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