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1. (WO2018185271) METHOD FOR FIRE- AND EXPLOSIVE SAFE CHARGING OF A REFRIGERANT

Pub. No.:    WO/2018/185271    International Application No.:    PCT/EP2018/058830
Publication Date: Fri Oct 12 01:59:59 CEST 2018 International Filing Date: Sat Apr 07 01:59:59 CEST 2018
IPC: F25B 45/00
F25B 49/00
Applicants: AGRAMKOW FLUID SYSTEMS A/S
Inventors: THYSSEN, Leif
BENTZON, Jens Christian
CORDING, Loius Bernhard
KLIETSCH, Morten
Title: METHOD FOR FIRE- AND EXPLOSIVE SAFE CHARGING OF A REFRIGERANT
Abstract:
Method for fire- and explosive safe charging of a refrigerant to refrigerators, air conditioning units, cooling or heating circuits etc., where the method comprises at least the following steps: • Connecting a charging adapter to a unit to be charged by means of a quick-connector, • Checking proper connection of charging adapter · Monitoring gas presence and ventilation inside the charging system, • Pressure check of RAC system. • Leak-checking of RAC system. • Receiving signals for operation permission from a safety emergency relay, · Supply of refrigerant from e.g. a bottle situated in a supply cabinet to a charging station and the charging adapter, • Charging the unit to be charged, • Evacuation of gas from the quick-connector, • Leak-checking quick-connector · Disconnecting the charging adapter from the charged unit by disconnecting the quick-connector, • Stopping the mentioned functions. whereby, a safe operation during a production line charging of air conditioners/refrigerators is assured.