Carrier 25HBC5, Installation Instructions Manual

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Table 8 – Superheat Charging (Heat Pump Only)
OUTDOOR TEMP (°F)
EVAPORATOR ENTERING AIR TEMPERATURE (°F WB)
50 52 54 56 58 60 62 64 67 68 70 72 74 76
55 11 11 12 12 12 13 17 20 24 24 25 25 25 25
60 6 6 7 7 7 7 12 16 21 22 23 23 23 23
65 – – – – – 3 7 12 18 19 21 21 22 22
70 – – – – – – – 7 14 16 18 20 20 20
75 – – – – – – – 3 11 13 16 18 18 19
82 – – – – – – – – *6 8 12 15 16 17
85 – – – – – – – – 4 7 11 14 15 16
90 – – – – – – – – – 4 8 12 14 15
95 – – – – – – – – – – 6 10 12 14
100 – – – – – – – – – – 4 8 11 12
105 – – – – – – – – – – 3 6 9 11
110 – – – – – – – – – – – 5 7 10
115 – – – – – – – – – – – 3 6 8
*Optimum performance point, 82°F outdoor ambient and (80°F dry bulb),( 67°F wet bulb) indoor conditions. (DOE B Test Conditions)
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, Allow a tolerance of ± 3°F
Note : Indoor dry bulb between 70°F and 80°F
Table 9 – Required Suction–Line Temperature
SUPERHEAT TEMP (°F)
SUCTION PRESSURE AT SERVICE PORT (PSIG)
107.8 112.2 116.8 121.2 126 130.8 138.8 140.8 145.8
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