1. An introduction to UL Certification & American Refrigerant Paul Fu Ph. D. UL LLC Program Manager HVAC Performance July 13, 2016 Yoshihiro Taema UL Japan, Inc. Commercial & Industrial Business Unit

2. Agenda:  Overview of UL certification  Process for UL certification  HVAC Products Refrigerant for safety measures In America 2

3. 1. Overview of UL certification UL is a global Independent safety Science company with more than a century of experience in innovating safety solutions:  UL helps its customers to bring safe products to market with research and design, training and education, testing, certification and validation services. UL’s services address quality, performance privacy, security, interoperability, and connectivity issues along with product environmental impacts.  UL’s mission is to promote safe living and working environments for people.  UL Japan is supporting for a safety products through eight offices and testing site that have been installed in domestic as the Japanese corporation. 3

4. Building Life and SafetyBuilding Life and Safety Appliances, HVAC and LightingAppliances, HVAC and Lighting Wire and CableWire and Cable Performance MaterialsPerformance Materials Energy and Power TechnologyEnergy and Power Technology Transaction SecurityTransaction Security Cyber SecurityCyber Security Consumer TechnologyConsumer Technology Consumer Goods and ToysConsumer Goods and Toys Social Accountability AuditingSocial Accountability Auditing Occupational Health and Safety ManagerOccupational Health and Safety Manager Regulatory TrainingRegulatory Training Furniture EnvironmentFurniture Environment Medical Devices and EquipmentMedical Devices and Equipment Information and InsightsInformation and Insights 1.2 UL Three Core Business Units

5. 1.3 UL Service Industry UL & cUL Main Products Certification – Appliances (HVAC- Safety\ DOE\EPA\CEC\FTC ) – Building Materials – Plastics & Components – Health Science – Consumer Technology – Life Safety & Security – Lighting – Power & Controls – Energy – Wire & Cable – Food & Water 5

6. 1.4 UL Listing & Component Recognition Marks – Classification Mark – Listing Mark – Recognized Component Mark 6 – UL Energy Listed and Component Recognition Marks – UL Functional Safety Marks

7. 7 2.0 Application process for UL certification UL Quotation Applicant Accept Quotation Establishment For the project order UL Evaluate Project Content Applicant Prepare Samples UL Review Sample Construct UL sample Test UL Notice of Completion For the case UL Initial Product Inspection UL Periodic Follow-up Service UL Mark Quotation Processing Product testing Evaluation sample Tracking testing

8. If know more information of UL certification, Please refer to the following UL Website WebsiteContentsRemarks http://www.ul.com UL WebsiteUL Official Website http://www.ul.com/database UL Online Certifications Directory Online http://iq.ul.com/ UL iQ Database No need Account & Password 8 WebsiteContentsRemarks http://ulstandardsinfonet.ul.com UL Standards Information / http://www.comm-2000.com UL Standards-ordering /

9. 3.0 Refrigerant for U.S.A Terms to Understand: UL 2182 – Safety Refrigerants ASHRAE 34, Designation and Safety Classification of Refrigerants  Classified for Toxicity: Class A (Lower) & Class B (Higher)  Classified for Flammability: Class “1” - Not Flammable Class “2” - Lower Flammability Class “2L” - Same as “2” with low Burning Velocity Class “3” - Higher Flammability (R600a, R290) Noted: Some Common Class A2L Refrigerants: R-32; R-1234yf and R-1234ze 9

10. 3.1 Refrigerant for U.S.A UL 474 Dehumidifiers – No flammable requirements planned UL 1995 Heating and Cooling Equipment – No flammable requirements planned UL 484 Room air conditioners – Allowable amounts presently based on room size. 10

11. 3.2 Natural refrigerant for U.S.A UL 60335-2-40 - Heat pumps, air conditioners & dehumidifiers: Requirements currently being developed for small amounts of Class A3 refrigerants and somewhat larger amounts of A2/A2L refrigerants. Requirements for equipment with larger amounts of A2L are being drafted as part of the IEC process. 11

12. 3.3 Refrigerant for U.S.A UL 60335-2-24 Refrigerating Appliances, Ice Cream Appliance & Ice-Makers – 225 & 50 gm (A2 and A3) UL 250 Household Refrigerators/Freezers – 225 & 57 gm UL 399 Drinking Water Coolers – 270 & 60 gm UL 427 Refrigerating Units – 500 & 150-300 gm* UL 471 Commercial Refrigerators/Freezers – 500 & 150 UL 541 Refrigerated Vending Machines – 500 & 150 gm UL 563 Ice Makers – 500 & 150 gm * For a charge limit not over 300 grams but greater than 150 grams, leak detection means and use of Class 1, Division 2 (HAZ LOC) components are required. Alternately, a “walk-in” refrigerator must be intended for use within a room sized per UL 427, Section SA3. 12

13. Thank You Questions? 13