88-A4AC3001-1G-EN
19
Design Subcooling Value = __________º F
(from nameplate or Service Facts)
Subcooling Correction = __________º F
Final Subcooling Value = __________º F
STEP 2
- Determine the final subcooling value using total Line Length and Lift measured in STEP 1 and the charts below.
1.5 Ton Units
50
4°
40
30
1°
25
Use Design Subcooling
1°
15
10
0
20 30 40 50 60 70 80 90 100 110 120 130 140 150
Add 1°
Add 1°
Add 1°
Add 2°
RE
FR
IGE
RANT
LI
NE
LI
FT (FT)
SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE)
TOTAL REFRIGERANT LINE LENGTH (FT) - [ includes lift ]
2 Ton Units
50
1°
40
30
25
Use Design Subcooling
15
10
0
20 30 40 50 60 70 80 90 100 110 120 130 140 150
Add 1°
Add 1°
TOTAL REFRIGERANT LINE LENGTH (FT) - [ includes lift ]
SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE)
Add 2°
RE
FR
IGE
RANT
LI
NE
LI
FT (FT)
2.5 Ton Units
50
1°
40
30
25
Use Design Subcooling
15
1°
10
0
20 30 40 50 60 70 80 90 100 110 120 130 140 150
Add 1°
RE
FR
IGE
RANT
LI
NE
LI
FT (FT)
SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE)
TOTAL REFRIGERANT LINE LENGTH (FT) - [ includes lift ]
Add 2°
Add 1°
3 Ton Units
50
4°
40
30
25
Use Design Subcooling
15
1°
10
0
20 30 40 50 60 70 80 90 100 110 120 130 140 150
Add 1°
Add 2°
RE
FR
IGE
RANT
LI
NE
LI
FT (FT)
SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE)
TOTAL REFRIGERANT LINE LENGTH (FT) - [ includes lift ]
Add 1°
3.5 Ton Units
50
40
30
25
Use Design Subcooling
15
10
0
20 30 40 50 60 70 80 90 100 110 120 130 140 150
Add 1°
Add 1°
Add 1°
Add 2°
Add 4°
RE
FR
IGE
RANT
LI
NE
LI
FT (FT)
SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE)
TOTAL REFRIGERANT LINE LENGTH (FT) - [ includes lift ]
4 Ton Units
50
1°
40
1°
30
25
Use Design Subcooling
15
10
0
20 30 40 50 60 70 80 90 100 110 120 130 140 150
RE
FR
IGE
RANT
LI
NE
LI
FT (FT)
SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE)
Add 4°
TOTAL REFRIGERANT LINE LENGTH (FT) - [ includes lift ]
Add 2°
Add 1°
Add 1°
5 Ton Units
50
1°
40
1°
30
25
Use Design Subcooling
15
10
0
1°
20 30 40 50 60 70 80 90 100 110 120 130 140 150
Add 4°
Add 2°
Add 1°
Add 1°
RE
FR
IGE
RANT
LI
NE
LI
FT (FT)
SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE)
TOTAL REFRIGERANT LINE LENGTH (FT) - [ includes lift ]