UN R122: Proposal for amendments
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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.

Reference Number: GRSG-116-22
Origin: CLEPA
Date: 27 March 2019
Proposal Status: Superseded
Related Documents:
GRSG/2019/29 | UN R122: Proposal for Supplement 6
Discussion(s):
Working Party on General Safety | Session 116 | 8-12 Apr 2019

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.