Charts; Refrigerant Charging Chart - Trane Variable Speed ComfortLink II Installer's Manual

Subcool Charging Correction Charts

Refrigerant Charging Chart

18-BC89D1-1L-EN
Figure 2. Subcool Charging Corrections — 2.0 Ton
2.0 TON SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE)
50
40
30
Use Design Subcooling
25
15
10
0
20 30 40 50 60 70 80
TOTAL REFRIGERANT LINE LENGTH (FEET)
Figure 3. Subcool Charging Corrections — 3.0 Ton
3.0 TON SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE)
50
40
30
Use Design Subcooling
25
15
10
0
20 30 40 50 60 70 80 90 100 110 120 130 140 150
TOTAL REFRIGERANT LINE LENGTH (FEET)
Figure 4. Subcool Charging Corrections — 4.0 Ton
4.0 TON SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE)
Add 1°
50
40
30
Use Design Subcooling
25
15
10
0
20 30 40 50 60 70 80 90 100 110 120 130 140 150
TOTAL REFRIGERANT LINE LENGTH (FEET)
Figure 5. Subcool Charging Corrections — 5.0 Ton
5.0 TON SUBCOOL CHARGING CHART CORRECTIONS TABLE (FOR LINE LENGTH AND RISE)
1°
50
40
Use Design Subcooling
30
25
15
AC: 1-1/8" Vapor Line Limit
10
HP: 1-1/8" Vapor Line Limit
0
20 30 40 50 60 70 80
TOTAL REFRIGERANT LINE LENGTH (FEET)
NOTE: 150 ft. length is approved ONLY with 7/8" vapor lines.
Add 1°
Add 2°
Add 1°
90 100 110 120 130 140 150
Add 1° Add 2°
Add 1°
Add 2°
Add 1°
1°
1°
1°
Add 4°
Add 1°
Add
2°
Add 1°
Add 1°
1°
90 100 110 120 130 140 150
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