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5 Technical data
5.1 Key data
Products of GEA Refrigeration Germany GmbH are designed and produced for
special applications. For technical specifications, see the following documents:
• order specification,
• parameter list,
• general assembly drawing,
• P+I diagram,
•
Panel data report.
5.2 Basic terms
Refrigerant Materials circulating in a plant (liquid or gas), which by
means of their change of state of the package with-
draw heat from another medium (cooling or heating
agent) or can dissipate heat to this medium.
Secondary refrigerant Fluids that can absorb the heat of a system and dissi-
pate it to a refrigerant (reversible process) and are
used for the cooling of a system (industrial process)
Heating agents Media (liquid or gas) that, e.g. transport and dissipate
the absorbed heat. If water is used as the heat carrier,
the terms warm water or cooling water are also used.
Performance test Factory acceptance test (FAT), test run of the heat
pump under defined conditions (depending on the sec-
ondary refrigerant or heating agent, ambient tempera-
ture) at the plant's test bench.
The maximum heat carrier outlet temperature is limi-
ted, however, to 47 °C, allowing a performance test for
the GEA RedAstrum product currently only under
reduced project conditions.
Function test Function test (EOL = end-of-line test), start-up of the
heat pump and passing through the entire speed band
for which the motor is designed.
5.3 Operating media
5.3.1 Refrigerant
The product is exclusively operated using ammonia as the refrigerant. All compo-
nents of the product are designed for the use of ammonia as the refrigerant.
Notice
The safety data sheet for the refrigerant used must be observed.
► The safety data sheet is part of the product documentation.
Technical data
Key data
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