Commercial Refrigeration - Ammendments to AS1731-2003

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					                                                                                  Standards Australia
     Commercial Refrigeration
                                                                        ME-
                                                                        ME-008 Refrigerated Display Cabinets
      Amendments to                                                       Chair: Tony Fairclough
                                                                          Secretary: Boris Krastev
                                                                          Members:
       AS1731-2003                                                         •
                                                                           •
                                                                               T Fonseca
                                                                               S Holt
                                                                                                     SGS
                                                                                                     AGO
                                                                           •   Rod King              SKOPE
                                                                           •   E Leonardi            Mechlab
                    Mark Ellis                                             •   T Michael             Vipac
                                                                           •   B Rees                McAlpine Hussmann
                     MEA                                                   •   K Richardson          CSIRO
                                                                           •   G Speranski           EECA
                                                                           •   S Walker              Woolworths
                    Presented at                                                                   Austral……..
                                                                          Other observers: Orford, Austral……..
 NAEEEC Commercial Refrigeration Compliance Forum
                                                                                                                       NAEEEC
          Brisbane, 11 November 2005
                                                                                                      Commercial Refrigeration Compliance Forum
                                                                                                              Brisbane, 11 November 2005          2




       Standards Australia                                                                    Outline
Committee has been working since September                              Source of amendments:
2004 on amendments
                                                                          industry queries/suggestions
Care taken not to lose consistency with En441
                                                                          committee members
and ISO std
                                                                          proposals from test laboratories
                                   04-
9 week public comment period (Sept 04-Feb 05)
                                                                          changes to EN441 and ISO 23953
Extensive redrafting based on comments
To be published in December 2005
For immediate effect
                                            NAEEEC                                                                     NAEEEC
                        Commercial Refrigeration Compliance Forum                                     Commercial Refrigeration Compliance Forum
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                                                                                                                                                      1
      Scope of amendments
All parts of AS1731
  Note some proposals were considered and
  rejected
  Some were deferred for further consideration                                Significant amendments
Editorials
Clarifications
Changes………………..
Changes………………..
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                         Commercial Refrigeration Compliance Forum                              Commercial Refrigeration Compliance Forum
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            AS1731: Part 1                                                           AS1731: Part 1
New                                                                      For further consideration:
  This Standard specifies terminology, general                                Some concern that the scope excludes
  mechanical and physical requirements, test conditions
                                                                                             non-
                                                                              catering and non-retail applications
  as well as installation and maintenance, for
  commercial refrigerators and freezers used for the                          May try to extend the scope in due course
                                              beverages.
  sale or display of food products including beverages.                       Industry divided as to whether the current
  This Standard does not cover refrigerated vending                           definition is clear
              ice- makers,
  machines, ice-makers, cabinets intended for use in
                        non-
  catering and similar non-retail applications.


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                         Commercial Refrigeration Compliance Forum                              Commercial Refrigeration Compliance Forum
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                                                                                                                                                2
Part 4: General Test Conditions                                          Part 4: General Test Conditions
5.1.3.3                                                                  5.1.3.6
  For closed refrigerated cabinets the direction of                        Changes to position of sensors for
  the air flow shall be parallel to the doors and
                                                                           measurement for ambient temperature
  such that the air enters the cabinet when the
  majority of doors are open, as far as practical
                                                                           and humidity
                                                                             To avoid influence of cold air on the sensor
  A view that air flow should be vertical so as to
  negate direction with respect to door openings –
  on-
  on-going discussion with ISO

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                         Commercial Refrigeration Compliance Forum                                   Commercial Refrigeration Compliance Forum
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     Part 5 –Temperature Test                                                 Part 5 –Temperature Test
Clause 4.7                                                               Note to Clause 4.7
    The test for closed refrigerated cabinets shall                          The test laboratory may need to work with the
                                                                             manufacture or importer of the cabinet to agree on a
    always be carried out on a complete cabinet,
                                                                             mutually acceptable cable entry. In difficult situations
    regardless of the number of doors or lids. The                           a cable entry hole may need to be provided in the
    door opening sequences shall be performed                                cabinet for testing. This hole may be able to be fitted
                                 means.
    by automated, mechanical means. Each door                                                                    complete.
                                                                             with sealing plugs after testing is complete.
    or lid shall be opened six times per hour.                               For closed refrigerated cabinets with doors used for
                                                                             loading only, these loading doors shall not be opened
                                                                             during the test sequence.

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                         Commercial Refrigeration Compliance Forum                                   Commercial Refrigeration Compliance Forum
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                                                                                                                                                  3
 Part 14 – MEPS Requirements                                                Part 14 – MEPS Requirements
Clauses 2.1, 2.2, 2.3, 2.4
     Where a cabinet is designed to operate at                             Section 5: Warning Label
     more than one M package temperatures, the
     cabinet shall be tested to the lowest M                                   deleted
     package temperature range.                                            Appendix C: Registration form
Tables 2.2 and 3.2                                                                                          on-
                                                                              Changes to be consistent with on-line
                    types’     self-
     Correction of ‘types’ for self-contained                                 registration form
     cabinets (chilled and freezing)
     Correction of values for IVF4
                                               NAEEEC                                                             NAEEEC
                              Commercial Refrigeration Compliance Forum                          Commercial Refrigeration Compliance Forum
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 Part 14 – MEPS Requirements                                                Part 14 – MEPS Requirements
Appendix D: Total Display Area                                                        (cont…
                                                                           Appendix D (cont…)
  Where foodstuffs is visible through a glazing surface, the
  light transmission Tg is taken into account as follows:                     For solid door cabinets the TDA is calculated
                anti-
    (a) Single anti-reflection glass: ................ 98%                    on the same basis as glass door cabinets with
    (b) Single glass: ....................................... 90%
                                                                              the door(s) open. Tg is assumed to be 100%
    (c) Double glass or 2 single glasses: ....... 81%
    (d) Triple glass without coating: ............... 73%                     For cabinets with glazing on two or more
    (e) Specific glass with reflective or heater face(s):                     sides of the cabinet the TDA shall be
                                                                              calculated for the total glazing area
(c), (d) and (e) replaced by:
   (c) all other configurations: ……………..81%
                                 ……………..81%                                   New figs D2 and D7
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                                                                                                                                              4
                                                                     Part 14 – MEPS Requirements
Standards Committee concerns on TDA
  calculations                                                      Appendix F: Guide to TDA calculations
   Current provision may penalise more efficient                                                self-
                                                                        Extended table to cover self-contained and
   glazing options                                                      remote cabinets
   More efficient glazing = lower TDA = higher                                                       self-
                                                                    Appendix G: TDA calculations for self-
   TEC/TDA value                                                     contained cabinets
   Australia is trying to change this in En441 and                      Deleted
   ISO standard                                                         Contents included in Appendix F

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