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14.
LEAKAGE/CLOGGING OF OIL-EQUALIZATION CIRCUIT
Check code list for leakage, clogging of outdoor refrigerant circuit and oil circuit parts
Trouble by clogging
Part name
Outdoor PMV
Check valve of main discharge pipe
collective section
Check valve of discharge pipe
Check valve of oil-equalization circuit
Capillary
Strainer
SV3A valve
SV3B valve
SV3C valve
SV3D valve
SV3D valve circuit capillary
Strainer
SV3E valve
Oil return capillary
SV3C bypass capillary
Position with trouble
(See next page.)
A
B
C
D
E
F
G
H
I
J
K
Unit issuing
check code
Corresponding unit
Corresponding unit
Corresponding unit
Corresponding unit
Other connected unit
Corresponding unit
Other connected unit
Corresponding unit
Corresponding unit
Corresponding unit
Corresponding unit
Check code to be detected
High-pressure protective operation P20
Low-pressure protective operation H06
Discharge temp. error P03
P17
High-pressure protective operation P20
High-pressure SW system error P04-XX
High-pressure SW system error P04-XX
Oil level
detective
circuit error
H16-XX
Oil level down error H07
Oil level down error H07
Oil level down error H07
Oil level down error H07
Oil level down error H07
Oil level detective circuit error H16-04
Oil level down error H07
Oil level down error H07
Oil level
detective
circuit error
H16-03
Phenomena
(Corresponding unit)
High-pressure up
Low-pressure down
Discharge temp. up
Abnormal high-pressure up
Abnormal high-pressure up
Oil-equalization circuit error or
oil-shortage judgment
Excessive oil amount
Shortage of oil amount
Excessive oil amount
Shortage of oil amount
Oil-equalization circuit error
Judgment of shortage
Shortage of oil amount
Shortage of oil amount
Oil-equalization circuit error
Trouble by leakage
Part name
Outdoor PMV
Check valve of main discharge pipe
collective section
Check valve of discharge pipe
Check valve of oil-equalization circuit
SV3A valve
SV3C valve
Position with trouble
(See next page.)
A
B
C
D
E
G
Unit issuing
check code
Corresponding unit
Corresponding unit
Corresponding unit
Corresponding unit
Corresponding unit
Corresponding unit
Check code to be detected
Outdoor liquid back error P13
Oil level down
error
H07
Oil level down
error
H07
Compressor breakdown H01-XX
Compressor error (Lock) H02-XX
Oil level down
error
H07
Compressor breakdown H01-XX
Compressor error (Lock) H02-XX
Oil level down
error
H07
Oil level down
error
H07
Oil level down
error
H07
Phenomena
(Corresponding unit)
Refrigerant stagnation
Refrigerant stagnation
Refrigerant stagnation
Excessive oil amount
(Leaked side)
Shortage of oil amount
(Normal side)
Shortage of oil amount
Judgment of oil shortage
NOTE) XX: Error on sub-code