Compressor Handbook - Embraco
Compressor Handbook - Embraco
Compressor Handbook - Embraco
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6.4.1 Guide for the use of R134a<br />
6.4.1.1 General information<br />
COMPRESSORS<br />
HANDBOOK<br />
Chapter<br />
INFORMATION ABOUT CORRECT COMPRESSOR INSTALLATION<br />
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Table 21 R134a Physical Characteristics<br />
Molecular Weight <br />
Critical Temperature <br />
Critical Pressure <br />
Boiling Point <br />
Table 22 R134a Ecological Characteristics<br />
ODP (Ozone Depletion Potential) <br />
GWP (Global Warming Potential) <br />
6.4.1.2 System components compatibility<br />
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chlorine, mineral oils, paraffin and silicone <br />
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DIN 8964 <br />
6.4.1.3 Expansion device<br />
Capillary tubes: <br />
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It is not recommended to use a capillary tube with an internal diameter less than 0.6 mm.<br />
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Expansion Valve:<br />
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6.4.1.4 Evaporator and condenser<br />
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(1) The soluble residual contents and solid residues must be less than 100mg /m 2 of system internal surface area. Of this,<br />
a maximum of 40 mg/m 2 can be soluble and the maximum of 60mg /m 2 can be insoluble (for the definitions of solid/<br />
soluble and additional details refer to the norm mentioned above).<br />
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