Carrier 38C Series - Superheat Charging Table; Required Suction Tube Temperature

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