Progress Report III: Testing and monitoring of an energy-efficient indirect evaporative

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B1 Research Project

TITLE HERE

Testing and monitoring of an energy efficient indirect evaporative CO2 refrigeration system at a Coles supermarket in Adelaide

Progress Report III

RACE for Business

Research Theme B1: Transforming energy productivity through value chains

Progress report III

Testing and monitoring of an energy efficient indirect evaporative CO2 refrigeration system at a Coles supermarket

October 2023

Citations

Lau, T., Bruno, F., Evans, M., Gilbert, R., J., Leak, J., Leonardis, C., Liddle, R., Taghipour, A., Rainey, T., Xing, K. (2023). Testing and monitoring of an energy efficient indirect evaporative CO2 refrigeration system at a Coles supermarket: Progress Report III Prepared for RACE for 2030 CRC.

Project team

UniSA

• Dr Timothy Lau (TL)

• A/Prof Ke Xing (KX)

• Dr Michael Evans (ME)

• Prof Frank Bruno (FB)

• Mr Raymond Liddle (RL)

QUT

• A/Prof Thomas Rainey (TR)

• Dr Alireza Taghipour (AT)

Seeley International

• Mr Rob Gilbert (RG)

• Mr Clint Leonardis (CL)

Australian Alliance for Energy Productivity (A2EP)

• Mr Jarrod Leak (JL)

Project partners

Acknowledgement of Country

The authors of this report would like to respectfully acknowledge the Traditional Owners of the ancestral lands throughout Australia and their connection to land, sea and community We recognise their continuing connection to the land, waters and culture and pay our respects to them, their cultures and to their Elders past, present, and emerging.

What is RACE for 2030?

RACE for 2030 CRC is a 10-year cooperative research centre with AUD350 million of resources to fund research towards a reliable, affordable, and clean energy future. https://racefor2030.com.au

Disclaimer

The authors have used all due care and skill to ensure the material is accurate as at the date of this report. The authors do not accept any responsibility for any loss that may arise by anyone relying upon its contents.

DP-CO2gascoolermodule

Evaporator(MTandLT)

Compressor(MT,LTandParallel)

Oilseparator

Electronicexpansionvalves

Plateheatexchanger

LiquidReceiverVessel

Load(%ofdailymaximum)

Date/Time

Compressor Power (kW)

7:48:00AM10:48:00AM1:48:00PM

Timestamp

Charttotalcompressorpower-ModelledVsMonitored(June2022)

1/06/20222/06/20223/06/20224/06/20225/06/20226/06/20227/06/2022 Total Compressor Power Consumption (kW)

Timestamp

GroupBcompressors-TotalPower-ModelledGroupBcompressors-TotalPower-Monitored

y=0.8926x+2.3903

R²=0.8818

ModelledDataLinear(ModelledData)

Appendix A:

Piping and Instrumentation Diagrams (P & ID) of the DP-CO2 system

Detailed drawings of system subject to Copyright and is currently not being released publicly. For further information on the installed DP-Co2 system, please contact Dr Tim Lau (tim.lau@unisa.edu.au) or the RACE for 2030 CRC.

AppendixB: DP-CO2MonitoringEquipmentSchedule

InstrumentList

Description Manufacturer

i1AmbientAirHumidityDwyer

i2AmbientAirTemp.IFM

i3aUnitatopleftDamperBelimo actuator

i3bUnitatoprightDamperBelimo actuator(same0-10asi3a)

i3cUnitaBottomleftDamperBelimo actuator

i3dUnitaBottomrightDamperBelimo actuator(same0-10asi3c)

i3eUnitbtopleftDamperBelimo actuator

i3fUnitbtoprightDamperBelimo actuator(same0-10asi3e)

i3gUnitbBottomleftDamperBelimo actuator

i3hUnitbBottomrightDamperBelimo actuator(same0-10asi3g)

i3iUnitctopleftDamperBelimo actuator

i3jUnitetoprightDamperBelimo actuator(same0-10asi3i)

i3kUniteBottomleftDamperBelimo actuator

i3IUniteBottomrightDamperBelimo actuator(same0-10asi3k)

i4WatertankLevelsensorIFM

i4+CTemp.ProbeCable&SocketIFM

i5alevelswitchWatertanklowSPX levelswitch

i5blevelswitchWatertanklowSPX levelswitch

i5clevelswitchWatertanklowSPX levelswitch

Model Number

RHP-2R11

TA2262(PT1000 inbuiltsignal converter)

Modulating actuators5Nm

Modulating actuators5Nm

Modulating actuators5Nm

Modulating actuators5Nm

Modulating actuators5Nm

Modulating actuators5Nm

Modulating actuators5Nm

Modulating actuators5Nm

Modulating actuators5Nm

Modulating actuators5Nm

Modulating actuators5Nm

Modulating actuators5Nm

LR2050

EVT001

Ultimaswitch (bilgepump)

Ultimaswitch (bilgepump)

Ultimaswitch (bilgepump)

o-10V24Vac

o-10V24Vac

o-10V24Vac o-10V24Vac o-10V24Vac o-10V24Vac

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