At the technology round table strategic presentations on Industrial Refrigeration will be presented by leading industry representatives, followed by a panel discussion.

2. NH3/Pumped CO2 Distribution Centre Project
Mayekawa Australia Pty Ltd

3. M a y e k a w a W o r l d M a p Plants in Japan : Ibaraki / Hiroshima / Nagano
Overseas Plants : U.S.A. / Mexico / Belgium / Brazil / Korea/ India
60 Offices in Japan / 3 Plants in Japan / 38 Countries / 97Offices / 6 Plants
Founded: 1924
Location: Tokyo, Japan
Turnover:US$1.8 Billion
Employees:3,400 (38 countries)

4. NH3/Pumped CO2
 Project Location : Western
Sydney
 Application : Distribution Centre
 End User : Large multi-national
membership based retailer

5. NH3/Pumped CO2
 High Efficiency: Compressor/IPM
motor
 Low Charge: secondary refrigerant
system
:NH3 charge located in plant room
:840 kW capacity MT/LT loads
:200 kg NH3 (0.25kg/kW)
 No oil carry over

6. NH3/Pumped CO2
NH3 pump circulation NewTon unit
Model x nr. N2016SSC x 3 R6000 x 2 (-)
Total Motor power 310 180 (kW)
Annual Power
consumption
(compressor)
1,275,000 765,000 (kWh/y)
NH3 charge 1900 100 (kg)
CO2 charge 0 1,300 (kg)
Freezer Storage Volume : 2580 m3
Freezer Storage Temperature : -24oC
Cooling Capacity : app.240 kW
Location : Sydney, Australia

7. NH3/Pumped CO2
 Plant Room: 6 x NewTon packages
 3 x MT units @ 600 kW total
capacity
 2 x LT units @ 240 kW total
capacity
 1 x MT pump station/CO2
receiver
 1 x LT pump station/CO2 receiver
 1 x future MT unit

8. NH3/Pumped CO2
6000 m3 wet area @ +2oC
CHILLER SIDE
 8 x 80 kW evaporators
 3 x NewTon C packages
 Warm glycol defrost
 Closed loop cooling tower
 1 x pump station/CO2
receiver

9. NH3/Pumped CO2
2580 m3 Freezer area @ -24oC
FREEZER SIDE
 8 x 25 kW evaporators
 2 x NewTon R-6000 packages
 (1 for redundancy)
 Warm glycol defrost
 Closed loop cooling tower
 1 x pump station/CO2 receiver

10. NH3/Pumped CO2
 LT & MT pump stations
 Duty/Stand by pumps on each
skid
 Separate CO2 receivers
CO2 RECEIVER/PUMP
STATIONS

11. NH3/Pumped CO2
BENEFITS
 High efficiency
 Energy saving > semi-hermetic screw
compressor/new rotors/shell & plate heat
exchangers
 Safety > low charge NH3 (below dangerous
goods manifest)
 Plug and play > minimized site work
 Natural refrigerants using (NH3/CO2)→
Environmentally friendly

12. NH3/Pumped CO2
STATUS
 Installation is in final stages with commissioning scheduled
for end May/June 2019
 A ‘’first installation’’ for both the end user and contractor as
well as Mayekawa Australia.
 Possible future site in Japan is under consideration.

13. NH3/Pumped CO2
WHY NEWTON?
 Low charge of NH3 (0.25 kg/kW)
 Efficiency
 Widely used in other countries
 Safe option

14. Natural is What We Design For