Chillflow Solutions Ltd has designed and installed a bespoke R449A-based marine refrigeration system for a 65m super yacht, operating on high efficiency BITZER ECOLINE compressors.
The ocean-going ice-breaker required a highly reliable replacement refrigeration system to serve its onboard cold room, freezer and garbage store.
Use of an off-the-shelf replacement pack was ruled out due to space restrictions, and the distance between the pack, cold rooms and condensers. The system also required 100% redundancy to ensure continuity of cooling in the unlikely event of a breakdown at sea.
Chillflow Solutions Ltd went back to the drawing board to design a totally bespoke solution, with support from BITZER UK. The resulting system, built at the refrigeration specialist’s Redruth site, has a capacity of 12kW and is based on two BITZER ECOLINE 4PES-12Y semi-hermetic compressors operating on a run and stand-by basis, each able to cover the cooling load and operating with a condensing temperature of 45deg C.
R449a refrigerant is non-toxic and non-flammable, with an A1 safety classification under EN 378 and ASHRAE 34 standards.
The compressors have an integrated monitoring system that keeps track of winding temperature, phase sequence, phase failure, current, plus oil temperature and level, ensuring optimum performance at all times.
The pack is connected to two Bitzer sea-water resistant K373HB shell and tube condensers, which provide excellent corrosion resistance and heat transfer between the refrigerant and sea water, used to reject heat.
Darren Mockridge, Managing Director of Chillflow Solutions, said: "The time-window to complete the project was tight due to the vessel’s limited time in port. It was crucial to have a proven, water-tight design ready to go from the moment the installation team had access."
He added: "Our relationship with BITZER UK goes back many years. However, this was our first direct project collaboration with the company, via the local distributor. The team was extremely supportive on the technical aspects and helped us deliver a reliable, highly efficient bespoke solution."
A key design requirement was optimum energy efficiency given the limited power availability onboard. The pack uses BITZER CM-RC01 controllers to regulate the compressors’ VARISTEP capacity controls, allowing refrigeration output to be precisely matched to cooling load, down to 10% of full capacity.
The pack is also equipped with a BITZER IQ module with Bluetooth connectivity, giving hands-free access to key performance parameters, if required.
Darren Mockridge: "The close relationship between BITZER UK and its remanufacturing arm, Green Point UK, is also a big plus for us – not just in the UK but worldwide. For example, our operation in Australia works with the local BITZER and Green Point remanufacturing divisions there to support our Australian marine contracts."
Kevin Glass, Managing Director of BITZER UK, said: "Marine refrigeration applications are particularly demanding due to the critical nature of onboard cooling and challenging marine environment. ECOLINE compressors are proven to give long-lasting service in harsh applications, such as marine cooling.
"We were delighted to support Chillflow Solutions in their innovative solution for this project, which was delivered successfully despite the tight timeframe and restricted access onsite."
R449A-based marine refrigeration system for a 65m super yacht
Wed Aug 16 08:41:09 CST 2023
Collect
Editor: Amanda
Five ways cities can keep it chill while cutting emissions
The release today of the Global Cooling Watch Report 2023: Keeping it chill highlights the importance of passive cooling alternatives to energy-hungry air conditioners. The report, produced by the United Nations Environment Programme (UNEP), points out......
Some key takeaways from the COP28 climate summit
The world is welcoming with caution a landmark decision, referred to as the Global Stocktake, in which nearly 200 countries pledged to move away from fossil fuels, a breakthrough that came in the waning hours of the UN Climate Change Conference (COP28).......
- 3 A-Gas welcomes John Phipps as UK Commercial Director
- 4 New IOR Trustees, President-Elect and Treasurer appointed
- 5 IOR Hosts a CoolTalk on the Future of Refrigerants with A-Gas
- 6 Green Point UK Invests to Increase Compressor Remanufacturing Capacity in Milton Keynes
- 7 ATMOsphere Europe 2023 Conference on Natural Refrigerants Set for September in Brussels
- 8 Fujitsu Split Systems In Studio Spotlight
- 9 First 100% all-electric reefer from Schmitz Cargobull for Finland
- 1 Contract Renewal with RACC 2024|Green Fluorinated Refrigerant Brand Manufacturers, Zhejiang Ice Loong Environmental Sci-Tech Co.,Ltd will appear in the RACC 2024
- 2 RACC Exhibitor Recommendation | Renqiu Qiangsheng Plastic Products Factory will appear at the RACC Expo
- 3 YUHUAN MAERJIA VALVE CO.,LTD will be present at 2024 Asia International Heat Pump Expo(2024 AHP)
- 4 Anhui Zhongxiang Refrigeration Technology Co.,Ltd. Invites You to Attend the China International Air Conditioning, Ventilation, Refrigeration and Cold Chain Exhibition
- 5 Shanghai Bilang Refrigeration Equipment Invites you to Attend the China International Air Conditioning, Ventilation, Refrigeration and Cold Chain Exhibition (RACC2024)
- 6 INDEE+ Shines at ACREX India 2024, Emphasizing Eco-Friendly HVAC&R Solutions
- 7 The Cold Chain Federation recognises Sunswap in its Sustainability Awards at annual Climate Summit
- 8 Johnson Controls Launches New Low-GWP Residential Portfolio Ahead of 2025 Regulations
- 9 NewCold will launch fourth US warehouse in mid-2024
- 10 Mojave More than Doubles its Sales Coverage Across the U.S.
Contract Renewal with RACC 2024|Green Fluorinated Refrigerant Brand Manufacturers, Zhejiang Ice Loong Environmental Sci-Tech Co.,Ltd will appear in the RACC 2024
Contract Renewal with RACC 2024|Green Fluorinated Refrigerant Brand Manufacturers, Zhejiang Ice Loong Environmental Sci-Tech Co.,Ltd will appear in the RACC 2024
RACC Exhibitor Recommendation | Renqiu Qiangsheng Plastic Products Factory will appear at the RACC Expo
RACC Exhibitor Recommendation | Renqiu Qiangsheng Plastic Products Factory will appear at the RACC Expo
INDEE+ Shines at ACREX India 2024, Emphasizing Eco-Friendly HVAC&R Solutions
INDEE+, an Indo-Norwegian project funded by the Norwegian Ministry of Foreign Affairs and coordinated by NTNU Norway, made a significant impact at the 23rd edition of ACREX India in Delhi. The event, themed "Powering Global HVAC Supply Chain," brought......
RACC 2024 Global Promotion Stop No.10-MCE 2024
RACC 2024 Global Promotion Stop No.10-MCE 2024
On March 12, the 44th MCE in 2024 was grandly opened at the new exhibition center in Milan, Italy, with a total of 1748 exhibitors from 51 countries around the world, bringing together almost all the world's well-known enterprises.
RACC2024 Global Promotion Tour Stop 9 —— The 19th CLIMATE WORLD in Russia, 2024
RACC2024 Global Promotion Stop 9 —— The 19th CLIMATE WORLD in Russia, 2024
On February 25th, the RACC Organizing Committee, along with some Chinese exhibitors, departed from Shanghai Pudong International Airport to Moscow to participate in the 19th CLIMATE WORLD.