Průhledítko 3710/44

The liquid indicators and moisture/liquid indicators
illustrated in this chapter ensure fast, safe inspection of
the refrigerant fluid conditions in the liquid circuit in terms
of its regular flow and the presence of moisture. They
are designed for installation on commercial refrigeration
systems and on civil and industrial air conditioning plants
that use the following refrigerant fluids:
• HCFC (R22)
• HFC (R134a, R404A, R407C, R410A, R507)
• HFO and HFO/HFC mixtures (R1234ze, R448A, R449A,
R450A, and R452A)
belonging to Group 2, as defined in Article 13, Chapter 1,
Point (b) of Directive 2014/68/EU, with reference to EC
Regulation No. 1272/2008.
Furthermore, the indicators of the series 3840 and 3940
can also be installed on systems that use the following
refrigeration fluids:
• HFC (R32) and HFO (R1234yf), classified as A2L in the
ASHRAE 34-2013 standard
• HC (R290, R600, or R600a), classified as A3 in the
ASHRAE 34-2013 standard
belonging to Group 1, as defined in Article 13, Chapter 1,
Point (a) of Directive 2014/68/EU, with reference to EC
Regulation No. 1272/2008.
For specific applications with refrigerant fluids not listed
above, please contact Castel Technical Department.
Note: The indicator series 3680, 3780, and 3781 are
excluded from the scope of application of Directive
2014/68/EU as they are piping components.