YORK oil analysis parameters
The oil properties in the following tables are assumed to be completely degassed with no residual
traces of dissolved refrigerant.
Table 4: YORK J oil analysis parameters
Property
Units
Viscosity at 40°C
cSt
Antioxident level
% remaining Liquid chromatography
Acid number
mg KOH/g
Phosphorus
ppm
Zinc
ppm
Calcium
ppm
Barium
ppm
Iron
ppm
Copper
ppm
Lead
ppm
Tin
ppm
Aluminum
ppm
Silicon
ppm
Molybdenum
ppm
Water content
ppm
Particle count
micron
Note: Items marked XX refer to any number.
Table 5: YORK K oil analysis parameters
Property
Units
Viscosity at 40°C
cSt
Antioxidant level
% remaining Liquid chromatography
Acid number
mg KOH/g
Phosphorus
ppm
Zinc
ppm
Calcium
ppm
Barium
ppm
Iron
ppm
Copper
ppm
Lead
ppm
Tin
ppm
Aluminum
ppm
Silicon
ppm
Molybdenum
ppm
Water content
ppm
Particle count
micron
Note: Items marked XX refer to any number.
YORK Oil Application, Oil Change Interval, and Oil Quality Limits Replacement Recommendations
Test method
New oil
ASTM D-445
46–51
n/a
ASTM D-974
0.1
Plasma emission
0
Plasma emission
0
Plasma emission
0
Plasma emission
0
Plasma emission
0
Plasma emission
0
Plasma emission
0
Plasma emission
0
Plasma emission
0
Plasma emission
0
Plasma emission
0
Karl Fischer
<100
HIAC ROYCO
ISO code 17/14
Test method
New oil
ASTM D-445
30–35
n/a
ASTM D-974
0.1
Plasma emission
0
Plasma emission
0
Plasma emission
0
Plasma emission
0
Plasma emission
0
Plasma emission
0
Plasma emission
0
Plasma emission
0
Plasma emission
0
Plasma emission
0
Plasma emission
0
Karl Fischer
<100
HIAC ROYCO
ISO code 17/14
© 2025 Johnson Controls. All rights reserved.
Marginal
Unacceptable
32–40 and 54–55
<32 and >55
n/a
n/a
0.3
>0.5
0–20
>20
0–20
>20
0–20
>20
0–20
>20
10
>10
10
>10
10
>10
10
>10
10
>10
15
>15
20
>20
100–300
>300
ISO code XX/19
ISO code XX/>19
Marginal
Unacceptable
25–29 and 36–40
<25 and >40
n/a
n/a
0.3
>0.5
0–20
>20
0–20
>20
0–20
>20
0–20
>20
10
>10
10
>10
10
>10
10
>10
10
>10
15
>15
20
>20
100–300
>300
ISO code XX/19
ISO code XX/>19
11
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