Application guidelines
22
FRCC.PC.004.A9.22
Refrigerants and lubricants
R22
Alternatives R22, HFC
retrofit
R22 is an HCFC refrigerant and is still in use today.
It has a low ODP (Ozone Depletion Potential)
and therefore it will be phased out in the future.
Check local legislation. Always use mineral oil
160P with R22.
The Maneurop® MT compressor is supplied with
an initial mineral oil charge.
A wide variety of HFC blends exist. There were
developed as temporary HCFC and HFC high
GWP alternatives. Some examples are R422A/D
- R427A, ... Retrofit technical news have been
issued to advice about use of these refrigerants.
Capacity and other data for HFC blends
refrigerants are not published in this document.
Maneurop® compressors however are suitable
for use with these refrigerants and can still be
used as replacements in existing installations, see
technical news FRCC.EN.049. and FRCC.EN.085.
for more information on retrofit.
When choosing a refrigerant, different aspects
must be taken into consideration:
• Legislation (now and in the future)
• Safety
• Application envelope in relation to expected
running conditions
• Compressor capacity and efficiency
• Compressor manufacturer recommendations
& guidelines
Additional points could influence the final choice:
• Environmental considerations
• Standardization of refrigerants and lubricants
• Refrigerant cost
• Refrigerant availability
The table below gives an overview of the
different refrigerant - lubricant - compressor
combinations for Maneurop®‚ MT & MTZ
compressors.
General information
Refrigerant
Type
Lubricant
type
Compressor
type
Danfoss lubricant
Application
R22
HCFC
Mineral
MT
Mineral oil, 160P
Medium / High temperature
R417A
HFC
Polyolester
MT
Polyolester oil 160PZ
Medium / High temperature
R407A/C/F
HFC
Polyolester
MTZ
Polyolester oil 160PZ
Medium / High temperature
R134a
HFC
Polyolester
MTZ
Polyolester oil 160PZ
Medium / High temperature
R404A
HFC
Polyolester
MTZ
Polyolester oil 160PZ
Medium temperature
R507
HFC
Polyolester
MTZ
Polyolester oil 160PZ
Medium temperature
Alternative R22 retrofit
with HFC refrigerants
POE
MT/MTZ
Polyolester oil 160PZ
Medium / High temperature
Hydrocarbons
Danfoss does not authorize the use of hydrocarbons in Maneurop® MT/MTZ compressors