The studies involve measuring flow, differential temperature as well as motor input power to assess operating
efficiency of the individual chiller.
Measuring the flow with non-contact ultrasonic transit time flow meter
Gauging Temperature at inlet and outlet of the chiller with digital temperature indicator; wherever
possible
Determining Power with clamp on power meter
Computing overall chilling effect and Energy Efficiency Ratio (EER) / specific power consumption /
Coefficient of performance (COP) to assess overall Efficiency of the chiller (and motor)
Comparing the values with the design data to analyzing the gaps, if any.
Assessing the performance and suggesting ways for improvement, as applicable
Submitting the report
A team of two engineers is deputed to carry out the studies and furnishing the report. The field visit is
typically for 5 to 6 hours; during which up to 5 measurements can be carried out depending upon initial
preparations, conditions of piping systems and support from the plant team.
Although not a part of regular assignment, the following parameters of the Condenser Unit & Compressors
can also be also measured, if possible and requested by the plant
Measuring the cooling water flow rate with non-contact ultrasonic transit time flow meter
Measuring cooling water inlet temperature with digital thermometer
Computing Cooling Effect delivered by the cooling water
Measuring refrigerant pressure at compressor suction with digital pressure gauge
Measuring refrigerant pressure at compressor discharge with digital pressure gauge
Noting refrigerant temperature at compressor suction with digital temperature gauge
Noting refrigerant temperature at compressor discharge with digital temperature gauge
Noting the refrigerant type
Comparing the values with the design data to analyzing the gaps, if any.
Assessing the performance and suggesting ways for improvement, as applicable
Submitting the report
