Changes Required By New Refrigerants; Changes Required By New Refrigerant - Daikin VRV Plus Series General Information Manual

Si33-003.book Page 170 Monday, June 25, 2001 9:06 AM

Changes Required by New Refrigerants

2. Changes Required by New Refrigerants

2.1

Changes Required by New Refrigerant

The following two types of refrigerant are being used in place of the HCFC22 (R22) refrigerant.
Main differences in specification are pressure difference (higher) and compatible refrigerant oil type.
Refrigerant name
Main application
Composing
substances
Design pressure
Refrigerant oil
Ozone destruction
factor (ODP)
Combustibility
Toxicity
1 Non-azeotropic mixture refrigerant ; mixture of two or more refrigerants having different boiling points.
1Mpa : Approx. 10.19716kgf/cm²
170
HFC units (Units using new refrigerants)
R-407C
Packaged air conditioners
Non-azeotropic mixture 1 of HFC32,
HFC125 and HFC134a
3.2MPa (gauge pressure)=32.6kgf/cm²
Synthetic oil (ether)
0
None
None
: http://splitoff.ru/tehn-doc.html
SiE33-003
HCFC units
R22
Room air conditioners
Packaged air conditioners
Single-component refrigerant
2.75Mpa(gauge pressure)=28.0kgf/cm²
Mineral oil (suniso)
0.05
None
None
New Refrigerant R-407C