2.
2.
Preparation
Preparation
for installation
for installation
46
46
Problem analysis
Problem analysis
R22 gauge was used in R410a system.
R22 gauge was used in R410a system.
Consequence
Consequence
If you use R22 gauge, remaining oil inside
If you use R22 gauge, remaining oil inside can generate
can generate
wax type material which definitely badly affect POE oil of
wax type material which definitely badly affect POE oil of
R410a system, possibly clogging refrigerant passage or
R410a system, possibly clogging refrigerant passage or
causing compressor failure.
causing compressor failure.
Standard procedure
Standard procedure
Never utilize R22 gauge for R410a system to prevent
Never utilize R22 gauge for R410a system to prevent
the mineral oil
the mineral oil from flowing in to the R410a system.
from flowing in to the R410a system.
Use the measuring instruments that meets
Use the measuring instruments that meets the standard
the standard
requirement.
requirement.
High pressure side :
High pressure side : -0.1 ~ 5.3MPa
-0.1 ~ 5.3MPa
Low pressure side :
Low pressure side : -0.1 ~ 3.8MPa
-0.1 ~ 3.8MPa
Proper method
Proper method
Install in accordance with the standards.
Install in accordance with the standards.
Содержание MXJ-YA1509 Series
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