American Standard 4A7A4018N Installation And Operation Manual page 18

STEP 2 - Determine the final subcooling value using total Line Length and Lift measured in STEP 1 and the charts below.
For 018N - 060N Models:
& 019
018
SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE)
50
40
30
25
Use Design Subcooling
15
10
0
20 30 40 50 60 70
TOTAL REFRIGERANT LINE LENGTH (FT) - [ includes lift ]
025
SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE)
50
40
30
25 Use Design Subcooling
15
10
0
20 30 40 50 60 70
TOTAL REFRIGERANT LINE LENGTH (FT) - [ includes lift ]
036 &
SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE)
50
40
30
25 Use Design Subcooling
15
10
0
20 30 40 50 60 70
TOTAL REFRIGERANT LINE LENGTH (FT) - [ includes lift ]
049 Models
SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE)
50
40
30
25 Use Design Subcooling
15
10
0
20 30 40 50 60 70
TOTAL REFRIGERANT LINE LENGTH (FT) - [ includes lift ]
18
Models
Add 1°
4°
Add 1° Add 2°
1°
1°
Add 1°
80 90 100 110 120 130 140 150
Models
1°
Add 2°
Add 1°
Add 1°
80 90 100 110 120 130 140 150
042 Models
4°
Add 1° Add 2°
Add 1°
1°
80 90 100 110 120 130 140 150
Add 1°
Add 2°
Add 1°
1°
1°
1°
80 90 100 110 120 130 140 150
024 Models
SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE)
50
40
30
25 Use Design Subcooling
15
10
0
20 30 40 50 60 70 80
TOTAL REFRIGERANT LINE LENGTH (FT) - [ includes lift ]
030 Models
SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE)
50
40
30
25 Use Design Subcooling
15
10
0
20 30 40 50 60 70 80
TOTAL REFRIGERANT LINE LENGTH (FT) - [ includes lift ]
048 Models
SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE)
50
Add 1°
40
30
25 Use Design Subcooling
15
10
0
20 30 40 50 60 70 80
TOTAL REFRIGERANT LINE LENGTH (FT) - [ includes lift ]
Models
060
SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE)
50 1°
40
30
25 Use Design Subcooling
15
10
0
20 30 40 50 60 70 80
TOTAL REFRIGERANT LINE LENGTH (FT) - [ includes lift ]
Design Subcooling Value = __________º F
(from nameplate or Service Facts)
Subcooling Correction = __________º F
Final Subcooling Value = __________º F
1°
Add 2°
Add 1°
Add 1°
90 100 110 120 130 140 150
1°
Add 2°
Add 1°
Add 1°
1°
90 100 110 120 130 140 150
Add 4°
Add 2°
Add 1°
Add 1°
90 100 110 120 130 140 150
Add 4°
1°
Add 2°
Add 1°
Add 1°
1°
90 100 110 120 130 140 150
11-AC11D1-9E-EN