Description
OLAB Humidity And Liquid Indicators Sight Glass Refrigerant Fluids 1/4″ Made in Italy
Description: The indicated humidity values are to be considered acceptable according to the type of refrigerant fluid used, as indicated in the table below. Main Features:
Applications: The liquid and humidity indicators are designed to be installed on refrigeration and air-conditioning systems for domestic and industrial use. It’s possible to use them with all the refrigerant fluids of group II (as defined in Article 13, chapter 1, Point b of Directive 2014/68/EU, with reference to EC Regulation No.1272/2008) and they are defined as “pressure equipments”, as described in Directive 2014/68/UE, Art. 2, point 5, Art. 4 point 1.C. Installations: At the start-up of the circuit, the color of the test paper can be yellow, in a consequence of atmospheric humidity or humidity contamination of plant where the indicator is installed. When the humidity level of refrigerant fluid is steady, by the action of dryer filter, the color of test paper becomes green, because the equilibrium conditions are reached. Normally, the time required to reach the stationary condition of circuit is 12 hour; if the yellow color of test paper remains, it means that is necessary a further action to eliminate the humidity presence inside the circuit. The braze welding of indicators equipped by copper tubes should made by special alloy, with low melting point. The flame should not be directed toward the glass or body of indicator, because it can damage the indicator in consequence of overheating. Please read enclosed leaflet before proceeding with the installation. |
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