Trane 4TTV7X48A1000A - Subcool Charging Correction Charts

22
18-BC111D1-1A-EN
Subcool Charging Correction Charts
Note: System will auto configure airflow in Link mode.
Figure 2. Subcool Charging Corrections — 2.0 Ton
2.0 TON SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE)
TOTAL REFRIGERANT LINE LENGTH (FEET)
Add 1°
Add 1°
Use Design Subcooling
Add 2°
70 80 90 100 110 120 130 140 1506050403020
50
40
30
25
15
10
0
REFRIGERANT LINE LIFT (FEET)
Figure 3. Subcool Charging Corrections — 3.0 Ton
3.0 TON SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE)
TOTAL REFRIGERANT LINE LENGTH (FEET)
Add 1°
Add 1°
Use Design Subcooling
Add 2°
70 80 90 100 110 120 130 140 1506050403020
50
40
30
25
15
10
0
REFRIGERANT LINE LIFT (FEET)
Figure 4. Subcool Charging Corrections — 4.0 Ton
4.0 TON SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE)
TOTAL REFRIGERANT LINE LENGTH (FEET)
Add 1°
1°
1°
1°
Add 1°
Use Design Subcooling
Add 2°
70 80 90 100 110 120 130 140 1506050403020
50
40
30
25
15
10
0
REFRIGERANT LINE LIFT (FEET)
Figure 5. Subcool Charging Corrections —5.0 Ton
5.0 TON SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE)
NOTE: 150 ft. length is approved ONLY with 7/8” vapor lines.
1°
1°
TOTAL REFRIGERANT LINE LENGTH (FEET)
Add 1°
Add 1°
Add 1°
Use Design Subcooling
Add
2°
Add 4°
70 80 90 100 110 120 130 140 15060
50
40
3020
50
40
3
0
25
15
10
0
REFRIGERANT LINE LIFT (FEET)
AC: 1-1/8” Vapor Line Limit