Download

R1234YF Service Equipment






Advertisement
/ 10 []
Download Presentation
Comments
persephone
From:
|  
(109) |   (0) |   (0)
Views: 221 | Added:
Rate Presentation: 0 0
Description:
R1234YF Service Equipment. Status of R1234YF Service Equipment 2/06/09. R1234YF Service Equipment. New SAE Standards: J2843 Recovery Recycling Recharge Equipment for R1234YF J2851 Recovery Only Equipment for R1234YF. R1234YF Service Equipment. SAE J2843
R1234YF Service Equipment

An Image/Link below is provided (as is) to

Download Policy: Content on the Website is provided to you AS IS for your information and personal use only and may not be sold or licensed nor shared on other sites. SlideServe reserves the right to change this policy at anytime. While downloading, If for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.











- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -




R1234yf service equipment l.jpgSlide 1

R1234YF Service Equipment

Status of R1234YF Service Equipment

2/06/09

R1234yf service equipment2 l.jpgSlide 2

R1234YF Service Equipment

  • New SAE Standards:

    • J2843 Recovery Recycling Recharge Equipment for R1234YF

    • J2851 Recovery Only Equipment for R1234YF

R1234yf service equipment3 l.jpgSlide 3

R1234YF Service Equipment

  • SAE J2843

    • Same performance requirements as SAE J2788

      • 95% Recovery Efficiency

      • +/- 1 Ounce Recovery Accuracy

      • +/- .5 Ounce Charge Accuracy

    • Same purity requirements as SAE J2788

      • 500 ppm HBR (Oil)

      • 150 ppm Noncondensables

      • 50 ppm moisture

R1234yf service equipment4 l.jpgSlide 4

R1234YFService Equipment

  • New Safety Requirements J2843/J2851

  • ANSI/ISA-S12.12.01-2000 Reference NFPA-70 and NFPA497 Class 1/Division2/Zone2

    • Class 1 Flammable gas or vapor

    • Division 2 Flammable atmosphere only occurs due to abnormal operation leaks, lost ventilation, etc

    • Zone 2 Flammable atmosphere is not likely to occur in normal operation

R1234yf service equipment5 l.jpgSlide 5

R1234YF Service Equipment

SAE J2843 and J2851 new requirements :

  • Class 1/Division 2/Zone 2 requires nonincendive method:

    • Use of nonarcing make/break components by:

      • Sealing

      • Limiting current and voltage

      • Using arc suppression methods

  • Limiting the surface temperature of exposed components to < 405C

  • R1234yf service equipment6 l.jpgSlide 6

    R1234YFService Equipment

    SAE J2843 and J2851 new requirements:

    Control discharge of refrigerant normally vented during the service process.

    • Collecting and directing refrigerant into the garage ventilation system.

      • Air Purge

      • Oil Drain

      • Vacuum Pump Exhaust

    R1234yf service equipment7 l.jpgSlide 7

    R1234YF Service Equipment

    • Other Changes from R-134a Equipment:

      • New Charge Coupling and Hoses

      • New unique tank fitting and tank color

      • Air Purge Circuit Calibration

    R1234yf service equipment8 l.jpgSlide 8

    R1234YF Service Equipment

    Related standards:

    • J2888 Service Standard for Hose, Fittings and Couplers for Mobile AC systems.

    • J2844 Refrigerant and purity and container standards for refrigerant used in mobile equipment.

    • J639 Revision

      • Service ports for R1234YF

    R1234yf service equipment9 l.jpgSlide 9

    R1234YF Service Equipment

    Test Status:

    • Prototypes deployed supporting mobile AC development .

    • Months of operation with no issues.

    • Recovery efficiency and charge accuracy same as R134a (as expected)

    • Preliminary recycling testing being conducted.

    R1234yf service equipment10 l.jpgSlide 10

    R1234YFService Equipment

    Open issues in finalizing standards and designs:

    • Test agencies approved by the EPA (UL and ETL) have not committed to a plan for testing and certification.

      • A proposed revision to UL1963 is being submitted to expedite final construction definition and test requirements.

    • Need to take into account and incorporate global requirements.


    Copyright © 2014 SlideServe. All rights reserved | Powered By DigitalOfficePro