Superheat Charging Table / Required Suction Tube Temperature - Carrier 38C Series Installation, Operation And Maintenance Manual

Superheat Charging Table
OUTDOOR
TEMP (°C) 10
13 5.0
16 3.9
18 –
21 –
24 –
27 –
29 –
32 –
35 –
38 –
41 –
43 –
46 –
OUTDOOR
TEMP (°C) 18
13 16.1
16 15.0
18 13.3
21 11.7
24 10.0
27 8.3
29 6.1
32 5.0
35 3.3
38 –
41 –
43 –
46 –
Where a dash (–) appears, do not attempt to charge system under these conditions, or refrigerant slugging may occur.
Charge must be weighed in.
NOTE: Superheat ° C is at low-side service port.
Required Suction Tube Temperature (°C)
SUPERHEAT
TEMP (°C)
743
0 1.7
1 2.8
2 3.9
3 5.0
4 6.1
6 7.2
7 8.3
8 9.4
9 10.6
10 11.7
11 12.8
12 13.9
13 15.0
14 16.1
15 16.7
16 17.2
17 18.3
18 19.4
19 20.6
20 21.7
21 22.8
22 23.9
EVAPORATOR ENTERING AIR (°C WB)
11 12 13
6.7 7.8 9.4
5.6 6.7 8.3
3.3 5.6 7.2
– 3.9 5.6
– – 3.3
– – –
– – –
– – –
– – –
– – –
– – –
– – –
– – –
EVAPORATOR ENTERING AIR (°C WB)
19 20 21
17.8 19.4 20.6
16.7 18.3 20.0
15.0 16.7 18.3
13.3 15.0 16.7
11.7 7.8 15.6
10.0 11.7 13.9
8.3 10.6 12.2
7.2 8.9 11.1
5.6 7.8 10.0
4.4 6.7 8.3
2.8 5.0 7.2
– 3.3 6.1
– – 4.4
SUCTION PRESSURE AT SERVICE PORT (KPA)
774 805 836
2.8 3.9 5.0
3.9 5.0 6.1
5.0 6.1 7.2
6.1 7.2 8.3
7.2 8.3 9.4
8.3 9.4 10.6
9.4 10.6 11.7
10.6 11.7 12.8
11.7 12.8 13.9
12.8 13.9 15.0
13.9 15.0 16.1
15.0 16.1 17.2
16.1 17.2 18.3
17.2 18.3 19.4
17.8 18.9 20.0
18.3 19.4 20.6
19.4 20.6 21.7
20.6 21.7 22.8
21.7 22.8 23.9
22.8 23.9 25.0
23.9 25.0 26.1
25.0 26.1 27.2
14 15 16
11.1 11.9 12.8
10.0 10.8 11.7
8.9 9.7 10.6
7.2 8.1 8.9
5.0 5.8 6.7
2.8 3.6 4.4
– – –
– – –
– – –
– – –
– – –
– – –
– – –
22 23 24
22.2 23.3 25.0
21.1 22.2 23.9
20.0 21.1 22.8
18.3 20.0 21.7
17.2 18.9 20.6
15.6 17.2 19.4
14.4 16.7 18.3
13.3 15.0 17.2
12.2 13.9 16.1
11.1 12.8 15.0
9.4 12.2 14.4
8.3 11.1 13.9
7.8 10.0 12.8
869 902 957
6.1 7.2 8.3
7.2 8.3 9.4
8.3 9.4 10.6
9.4 10.6 11.7
10.6 11.7 12.8
11.7 12.8 13.9
12.8 13.9 15.0
13.9 15.0 16.1
15.0 16.1 17.2
16.1 17.2 18.3
17.2 18.3 19.4
18.3 19.4 20.6
19.4 20.6 21.7
20.6 21.7 22.8
21.1 22.2 23.3
21.7 22.8 23.9
22.8 23.9 25.0
23.9 25.0 26.1
25.0 26.1 27.2
26.1 27.2 28.3
27.2 28.3 29.4
28.3 29.4 30.6
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17
14.4
13.3
11.7
10.6
8.3
6.7
4.4
2.8
–
–
–
–
–
971 1005
9.4 10.6
10.6 11.7
11.7 12.8
12.8 13.9
13.9 15.0
15.0 16.1
16.1 17.2
17.2 18.3
18.3 19.4
19.4 20.6
20.6 21.7
21.7 22.8
22.8 23.9
23.9 25.0
24.4 25.6
25.0 26.1
26.1 27.2
27.2 28.3
28.3 29.4
29.4 30.6
30.6 31.7
31.7 32.8