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Table 4
Subcooling (SC) and Superheat (SH)*
Reading s are in °F
Metering
Out. Coil
−024 −030 −036 −037 −042 −047 −048 −060
Device
Entering
Air°F (°C)
SC+2 SH+2 SC+2 SH+2 SC+2 SH+2 SC+2 SH+2 SC+2 SH+2 SC+2 SH+2 SC+2 SH+2 SC+2 SH+2
65 (18.3) 9 17 9 13 7 20 8 19 8 18 9 19 11 27 16 21
70 (21) 9 16 8 14 7 18 8 18 8 18 10 19 10 26 15 20
75 (23.9) 8 17 8 14 8 18 8 18 8 18 10 18 10 24 14 18
80 (27) 8 17 8 14 8 17 8 18 9 18 10 17 10 24 13 17
85 (29.4) 7 17 8 15 8 18 8 17 9 18 10 19 9 23 13 17
13ACC
TXV
90 (32) 6 18 9 16 8 18 9 16 9 19 9 17 9 23 13 17
95 (35) 6 18 9 17 8 19 7 16 9 19 9 17 9 23 13 17
100 (38) 6 19 9 17 8 20 8 16 9 19 9 18 9 23 12 17
105 (40.6) 7 19 8 17 8 20 9 17 10 19 9 19 9 24 12 18
110 (43) 6 20 8 17 8 20 8 18 10 19 9 19 8 24 10 18
115 (45) 6 21 9 17 9 22 8 19 11 20 9 18 7 24 10 17
RFC SIZE
0.063
42J4301
0.071
42J4701
0.078
42J5101
0.077
42J5001
0.079
25M5601
0.084
42J5401
0.093
78L7401
0.099
42J6201
Out. Coil
Entering
Air°F (°C)
SC+1 SH+1 SC+1 SH+1 SC+1 SH+1 SC+1 SH+1 SC+1 SH+1 SC+1 SH+1 SC+1 SH+1 SC+1 SH+1
65 (18.3) 14 25 10 29 12 32 10 32 13 30 8 29 13 36 19 31
70 (21) 14 24 10 29 11 30 9 29 13 28 8 28 13 33 18 29
75 (23.9) 13 24 10 28 11 28 10 27 12 26 7 27 13 30 18 27
13ACC
80 (27) 12 23 10 25 10 27 9 25 11 24 7 25 13 29 17 25
RF
85 (29.4) 11 22 9 22 8 25 9 22 10 22 7 24 12 27 16 22
90 (32) 9 21 8 20 7 22 8 18 9 19 6 22 11 25 15 20
95 (35) 8 19 7 15 7 19 8 16 8 17 6 20 10 23 14 18
100 (38) 7 18 6 9 5 14 8 6 8 13 6 17 10 20 13 14
105 (40.6) 5 16 6 3 4 11 8 2 7 9 5 11 10 15 13 9
110 (43) 4 13 5 4 3 5 7 1 5 3 5 4 9 11 12 3
115 (45) 4 7 4 2 3 2 6 1 4 2 4 1 8 2 10 2
* Reading taken at compressor.