Trane 4TTR4018N Installation And Operation Manual page 12

STEP 2 - Determine the final subcooling value using total Line Length and Lift measured in STEP 1 and the charts below.
018N & 019N 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 ]
025N 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 ]
036N & 042N 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 ]
049N 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 ]
12
Add 1° 4°
Add 1° Add 2°
1°
1°
Add 1°
80 90 100 110 120 130 140 150
1°
Add 2°
Add 1°
Add 1°
80 90 100 110 120 130 140 150
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
024N 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 ]
030N 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 ]
048N 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 ]
060N Models
SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE)
1°
50
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)
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
18-AC51D1-10F-EN