Energy Saving & Eco-Friendly Refrigerant
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1 Technical Seminar Energy Saving & Eco-Friendly Refrigerant Presented By Eva Yim Business Development Director Stephen Cheung Engineering Director Date : Oct 16, 2012
2 Others 25% Lighting 15% Air Conditioning 60% Synergy s lighting solution is capable to save 50% on lighting electricity usage Synergy s A/C solution is capable to save 25% on A/C electricity usage
3 Our partners
4 Agenda Synergy Cooling Solution Case Sharing Technical Issue Q & A
5 Agenda Synergy Cooling Solution Case Sharing Technical Issue Q & A
6 Evolution in Refrigerant 1920s 1930s 2000s CFC HCFC HFC HC Non-Eco Friendly Refrigerant Eco Friendly Refrigerant Eco Friendly & Energy Saving Refrigerant Chiller R22 A/C R22 Freezer R22 /R502 Chiller R134a/R407c A/C R410a Freezer R134a/R404a/R507 Chiller Synergy Refrigerant A/C Synergy Refrigerant Freezer Synergy Refrigerant 6
7 Comparison of Refrigerant Non Eco Friendly Refrigerant CFC/HCFC Eco Friendly HFC Energy Saving Eco Friendly HC Energy Saving Energy Consumption ** - ********** 100% 100% 75% Eco Friendly - *** ********** ODP 1/0.05 0/0 0 GWP100 years 10890/ / Carbon Footprint 100% 100% 75% Harmful to Environment Banned A/C electricity remains high Super Eco Friendly Average Saving 25% 7
8 1 st Wave - Ozone Depletion CFC HCFC HFC 1979, Sept 2006, Sept 2010, Sept Data Source: NASA
9 2 nd Wave Use Low GWP refrigerants Greenhouse Gas : 56% CO2, 13% HFC / CFC Mean Surface Temp keep increasing Low GWP = GWP < 150
10 2 nd Wave Use Low GWP refrigerants Source : CIBSE National Conference 2001
11 2 nd Wave Use Low GWP refrigerants
12 Why can save energy? Weight Latent Heat Size of Particle 90% 40% 184% 50% The loading of Compressor had been reduced significantly The cooling power had been greatly increased Pressure loss had been reduced More surface area for evaporation Non-Eco CFC (R12, R22) Eco HFC (R134a, 407c, 410a) Synergy HC 12
13 Can apply in most of A/C Air Cool Chiller Split Type Water Cool Chiller Window CRAC Unit 13
14 Product Demo Synergy => w R22 => w
15 Agenda Synergy Cooling Solution Case Sharing Technical Issue Q & A
16 Synergy Cooling Reference New Treasure Centre 29.0% 29.0% % % 25.0% 21.4% 3.6% Laws Commercial Plaza 23.0% 19.0% 4.0% 38% 34.8% 21.9% 21.3% Concordia Plaza 38.0% - % 31.3% 3.5% 21.9% % % 26.5% 28.4% 25.1% 27.0% % % % - 荃豐中心 27.7% 27.7% -% 25.5% % 24.8% 24.8% % 22.3% 49.4% : Energy Saving : Temp. Saving
17 Client : Concordia Plaza Project Start : Since early 2011 Facility : York Air Cool Chiller (3,000 Tons) Refrigerant : R22 Electricity Bill in Apr, 2011 Only 16 days, saved 24% Only change 1 chiller out of 8 chillers and complete chiller installation by Apr11. The cut off of electricity bill at Apr 27 Before Installation Saving Result Annual kwh used in A/C 4,500,000 Saving % 27% After Installation In Apr, ,450 kwh $ Annual Amount Saved 1,215,000 Carbon Footprint 656,100 kg No. of Tree Saved 59,645 pcs/yr In Apr, ,583 kwh 17
18 Client : Concordia Plaza Project Start : Since early 2011 Facility : York Air Cool Chiller (3,000 Tons) Refrigerant : R22 Electricity Bill in Jul, 2012 Saved 28.3% Before Installation After Installation In Jul, ,724 kwh Saving Result Annual kwh used in A/C 4,500,000 Saving % 27% $ Annual Amount Saved 1,215,000 Carbon Footprint 656,100 kg No. of Tree Saved 59,645 pcs/yr In Jul, ,937 kwh 18
19 Case Background Customer Location : Swire : Warwick House Project Period : 12 Dec Apr 2012 Facility Test Plan : York 200 Tons Air Cool Chiller : Chiller 7 & 8 Comparison Chiller 7 (R22) Chiller 8 (Synergy)
20 The saving result Client : Warwick House (Swire Properties) Facility : York Air Cooled Recip. Chiller Saving Result Annual kwh used in A/C 3,900,000 Saving % 28.4% $ Annual Amount Saved 1,107,600 Carbon Footprint 598,104 kg No. of Tree Saved 54,373 pcs/yr 20
21 The saving result Before After Chiller 7 (R22/R22) Chiller 8 (R22/Synergy)
22
23
24 Agenda Synergy Cooling Solution Case Sharing Technical Issue Q & A
25 Any potential damage? Compatible with A/C? 25
26 Harmless to A/C Copper Pipe Compressor High Purity/Low water content No corrosion to copper Lower Pressure Reduce compressor work load prolong its lifetime Minimize leakage Had launched to market over 5 years Had installed over 10,000+ a/c system
27 Compatibility Lubricant System Material Guidelines for the use of Hydrocarbon Refrigerants in Static Refrigeration and Air Conditioning Systems from ACRIB (Air Conditioning & Refrigeration Industrial Board) 2001 Compatible with Mineral & POE Compatible with system materials such as O ring, valve seats, seals and gaskets 27
28 Precaution in Using Natural Low GWP Refrigerant
29
30 Precaution in Using Natural Low GWP Refrigerant Carbon Dioxide Ammonia Hydrocarbon Features Non Flammable Non toxic High operating pressure ODP = 0 GWP = 0 Small molecular mass Large latent heat Large vapour density Excellent heat transfer characteristics ODP = 0 Negligible GWP Compatible with copper Miscible with mineral oil Precaution Operating pressure: 80 bars Low efficiency Toxic Flammable Not compatible with copper Temperature on discharge side of compressor is higher Flammable
31 International Guideline in using Hydrocarbon EN 378 Refrigerating systems and heat pumps Safety and environmental requirements Certified Person Flammable Sign HC Accumulation Certified personnel to conduct installation Flammable point R ºC R134a 740 ºC R407c 704 ºC HC 465 ºC Oil 222 ºC Different access pattern got different charge rate control Ventilation BS EN 378-3:2008 Refrigerating systems and heat pumps. Safety and environmental requirements. Installation site and personal protection HC Flammable Window 2.1~ 9.5 % LFL Kg / m3 Practical Limit Kg/m3 State flammable sign on A/C 31
32 International Guideline in using Hydrocarbon EN 378 Refrigerating systems and heat pumps Safety and environmental requirements Roof Top Open area - No limit on charge rate Chiller Room Special Room - No limit on charge rate Ventilation will be required Office Split Type Indoor - got limit on charge rate based on different area e.g 600 sq feet - limit to 5HP / circuit Underground Underground got limit on charge rate Max 1kg (~5HP / circuit)
33 International Guideline
34 International Guideline in all types of refrigerants EN 378 Refrigerating systems and heat pumps Safety and environmental requirements Type of Refrigerant CFC HFC HC Name of Refrigerant R22 R134a/407c/410a Synergy Ventilation N : 4 air change/hr E : 15 air change/hr N : 4 air change/hr E : 15 air change/hr N : 4 air change/hr E : 15 air change/hr Flame Proof in E Fan Alarm Detector Competent Person Charge rate Different access control different charge rate
35 Comparison in MSDS amongst all types of refrigerants Type of Refrigerant CFC HFC HC Name of Refrigerant Ignition Temp 632 / 743 ºC Ventilation of workplace Stability R22 R134a/407c/410a Synergy Well-ventilated Any source of high temp, such as lighted cigarette, flames, hot spots or welding may yield toxic and/or corrosive decomposition products 468 ºC ** Flammable window 2.1 ~ 9.5% Well-ventilated Stable ** Refrigerant will mix with compressor oil when leaks, ignition temp of compressor oil at 220 ºC. Thus all CFC, HFC & HC ignition point will be lowered to 220 ºC.
36 Agenda Synergy Cooling Solution Case Sharing Technical Issue Q & A
37 PLS GO GREEN WHEN WE STILL HAVE TIME ACHIEVE SAVING WHILE USING THANY YOU
38 Thank you! Synergy Group Unit 901, AXA Centre, 151 Gloucester Road, Wanchai Hong Kong T: (852) F: (852)
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