Proposal to add a missing footnote concerning the exemptions for heaters located outside the passenger compartment using water as a transfer medium and to clarify that it is not necessary to apply Annex 4 for the heat pump because the heat transfer fluid does not contain polluting air.
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WP.29/2020/23
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57. The expert from CLEPA presented ECE/TRANS/WP.29/GRSG/2019/29 proposing the removal of Annex 4 tests for heat pumps.
58. GRSG adopted ECE/TRANS/WP.29/GRSG/2019/29 and requested the secretariat to submit it to WP.29 and AC.1 as draft supplement 06 to UN Regulation No. 122 for consideration at their March 2020 sessions.
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GRSG-116-22
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74. The expert from CLEPA presented GRSG-116-22 to add a missing reference to the existing note 2 and to clarify the application of Annex 4 for heat pumps. The expert from France raised a study reservation. GRSG agreed to resume consideration of this subject at its next session and requested the secretariat to circulate GRSG-116-22 with an official symbol.