Table 3—Superheat Charging
OUTDOOR
TEMP
(°F)
EVAPORATOR ENTERING AIR TEMPERATURE (°F WB)
50 52 54 56 58 60 62 64 66 68 70 72 74 76
55 9 12141720232629323537404245
60 7 10121518212427303335384043
65 — 6 10 13 16 19 21 24 27 30 33 36 38 41
70 —— 7 1013161921242730333639
75 — — — 6 9 12 15 18 21 24 28 31 34 37
80 ———— 5 8 1215182125283135
85 —————— 8 11151922263033
90 —————— 5 9 131620242731
95 ——————— 6 101418222529
100 ———————— 8 1215202327
105 ———————— 5 9 13172226
110 ————————— 6 11152025
115 —————————— 8 141823
—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 °F is at low-side service port.
Table 4—Required Suction-Line Temperature
SUPERHEAT
TEMP
(°F)
SUCTION PRESSURE AT SERVICE PORT (PSIG)
61.5 64.2 67.1 70.0 73.0 76.0 79.2 82.4 85.7
0 35 37 39 41 43 45 47 49 51
2 37 39 41 43 45 47 49 51 53
4 39 41 43 45 47 49 51 53 55
6 41 43 45 47 49 51 53 55 57
8 43 45 47 49 51 53 55 57 59
10 45 47 49 51 53 55 57 59 61
12 47 49 51 53 55 57 59 61 63
14 49 51 53 55 57 59 61 63 65
16 51 53 55 57 59 61 63 65 67
18 53 55 57 59 61 63 65 67 69
20 55 57 59 61 63 65 67 69 71
22 57 59 61 63 65 67 69 71 73
24 59 61 63 65 67 69 71 73 75
26 61 63 65 67 69 71 73 75 77
28 63 65 67 69 71 73 75 77 79
30 65 67 69 71 73 75 77 79 81
32 67 69 71 73 75 77 79 81 83
34 69 71 73 75 77 79 81 83 85
36 71 73 75 77 79 81 83 85 87
38 73 75 77 79 81 83 85 87 89
40 75 77 79 81 83 85 87 89 91
Copyright 1998 CARRIER Corp. • 7310 W. Morris St. • Indianapolis, IN 46231 38tkb5si
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book 1 4
Tab 3a 2a
PC 101 Catalog No. 563-754 Printed in U.S.A. Form 38TKB-5SI Pg 8 11-98 Replaces: 38TKB-4SI
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