Tecumseh CAJ Serie Instrucciones De Instalación página 3

It is essential that you read this document in full.
The implementation, operation, maintenance, and end-of-life management of the products involves the observance of and
adherence to strict rules and regulations in line with existing standards, norms, and best practice. Compliance with the applicable
standards and norms in force and the legislation of the country in which the compressor is installed is essential, as is the application
of the specific rules governing refrigerated and electrical connections.
These instructions cover the main points of the ISO standards. The EN directives and standards described below prevail within the
European Union.
1. Declarations of conformity and incorporation
These refrigerant compressors have been designed for incorporation within machines in accordance with the Machine Directive
2006/42/EC. They comply with the Low Voltage Directive (LVD) 2006/95/EC and the Pressure Equipment Directive (PED) 97/23/EC.
They may only be put into service if installation has been carried out in accordance with the instructions below and if the machines
comply with the regulations in force.
In the event of the use of fluids classified as A2L, A2, or A3 according to ISO 817, the safety rules and regulations specific to the
inflammable fluids must be respected. The compressors will be installed and maintained in accordance with safety standards ISO
5149 or EN 378.
The respective compressor designations are C/TAJ * * * *U for the R290 and C/TAJ * * * *N, if these are running using R1234yf.
2. Safety and risks associated with the implementation and use of inflammable refrigerant fluids, classified in categories A2L, A2, or A3
2.1. Inflammable refrigerant fluids R290 and R1234yf
R1234yf is a tetrafluoropropene.
R290 is a propane used as a refrigerant. With an extremely high purity level (>99.5%), it guarantees the long service life of the
equipment in contact with the product.
Fluids R1234yf and R290 are always heavier than air and their concentration will always be higher than the lowest level.
Their primary characteristics are:
Refrigerant
Safety class according to ISO 817
Lower flammability limit (LFL) in air at an
ambient temperature
Practical limit
Auto-ignition temperature
(according to ISO 5149-1)
CAS no.
(Chemical Abstracts Service)
Never use the product without first consulting the Safety Data Files, which can be obtained from your refrigerant supplier.
2.2. Scope of application of the standards and norms relating to refrigerating systems which use inflammable fluids
R290
A3
2.1% according to ISO 817
or
3
0.038 kg/m according to EN 378-1
3
7.6 g/m
470°C
74-98-6
2
R1234yf
A2L
6.2% according to ISO 817
or
3
0.289 kg/m according to EN 378-1
3
57.8 g/m
405°C
754-12-1