TABLE 3—REQUIRED LIQUID-LINE TEMPERATURE (°F)
LIQUID |
|
| REQUIRED SUBCOOLING |
|
| ||
PRESSURE AT |
|
| TEMPERATURE |
|
| ||
SERVICE VALVE |
|
|
| (°F) |
|
| |
(PSIG) | 8 | 10 | 12 |
| 14 | 16 | 18 |
189 | 58 | 56 | 54 |
| 52 | 50 | 48 |
195 | 60 | 58 | 56 |
| 54 | 52 | 50 |
202 | 62 | 60 | 58 |
| 56 | 54 | 52 |
208 | 64 | 62 | 60 |
| 58 | 56 | 54 |
215 | 66 | 64 | 62 |
| 60 | 58 | 56 |
222 | 68 | 66 | 64 |
| 62 | 60 | 58 |
229 | 70 | 68 | 66 |
| 64 | 62 | 60 |
236 | 72 | 70 | 68 |
| 66 | 64 | 62 |
243 | 74 | 72 | 70 |
| 68 | 66 | 64 |
251 | 76 | 74 | 72 |
| 70 | 68 | 66 |
259 | 78 | 76 | 74 |
| 72 | 70 | 68 |
266 | 80 | 78 | 76 |
| 74 | 72 | 70 |
274 | 82 | 80 | 78 |
| 76 | 74 | 72 |
283 | 84 | 82 | 80 |
| 78 | 76 | 74 |
291 | 86 | 84 | 82 |
| 80 | 78 | 76 |
299 | 88 | 86 | 84 |
| 82 | 80 | 78 |
308 | 90 | 88 | 86 |
| 84 | 82 | 80 |
317 | 92 | 90 | 88 |
| 86 | 84 | 82 |
326 | 94 | 92 | 90 |
| 88 | 86 | 84 |
335 | 96 | 94 | 92 |
| 90 | 88 | 86 |
345 | 98 | 96 | 94 |
| 92 | 90 | 88 |
354 | 100 | 98 | 96 |
| 94 | 92 | 90 |
364 | 102 | 100 | 98 |
| 96 | 94 | 92 |
374 | 104 | 102 | 100 |
| 98 | 96 | 94 |
384 | 106 | 104 | 102 |
| 100 | 98 | 96 |
395 | 108 | 106 | 104 |
| 102 | 100 | 98 |
406 | 110 | 108 | 106 |
| 104 | 102 | 100 |
416 | 112 | 110 | 108 |
| 106 | 104 | 102 |
427 | 114 | 112 | 110 |
| 108 | 106 | 104 |
439 | 116 | 114 | 112 |
| 110 | 108 | 106 |
450 | 118 | 116 | 114 |
| 112 | 110 | 108 |
462 | 120 | 118 | 116 |
| 114 | 112 | 110 |
474 | 122 | 120 | 118 |
| 116 | 114 | 112 |
486 | 124 | 122 | 120 |
| 118 | 116 | 114 |
499 | 126 | 124 | 122 |
| 120 | 118 | 116 |
511 | 128 | 126 | 124 |
| 122 | 120 | 118 |
|
|
|
|
|
|
|
|
TABLE 4—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 | 12 |
| 14 |
| 17 |
| 20 |
| 23 | 26 | 29 | 32 | 35 | 37 | 40 | 42 | 45 |
60 | 7 | 10 |
| 12 |
| 15 |
| 18 |
| 21 | 24 | 27 | 30 | 33 | 35 | 38 | 40 | 43 |
65 | — | 6 |
| 10 |
| 13 |
| 16 |
| 19 | 21 | 24 | 27 | 30 | 33 | 36 | 38 | 41 |
70 | — | — |
| 7 |
| 10 |
| 13 |
| 16 | 19 | 21 | 24 | 27 | 30 | 33 | 36 | 39 |
75 | — | — | — |
|
| 6 |
| 9 |
| 12 | 15 | 18 | 21 | 24 | 28 | 31 | 34 | 37 |
80 | — | — | — |
| — |
|
| 5 |
| 8 | 12 | 15 | 18 | 21 | 25 | 28 | 31 | 35 |
85 | — | — | — |
| — |
| — | — |
| 8 | 11 | 15 | 19 | 22 | 26 | 30 | 33 | |
90 | — | — | — |
| — |
| — | — |
| 5 | 9 | 13 | 16 | 20 | 24 | 27 | 31 | |
95 | — | — | — |
| — |
| — | — | — |
| 6 | 10 | 14 | 18 | 22 | 25 | 29 | |
100 | — | — | — |
| — |
| — | — | — | — |
| 8 | 12 | 15 | 20 | 23 | 27 | |
105 | — | — | — |
| — |
| — | — | — | — |
| 5 | 9 | 13 | 17 | 22 | 26 | |
110 | — | — | — |
| — |
| — | — | — | — | — |
| 6 | 11 | 15 | 20 | 25 | |
115 | — | — | — |
| — |
| — | — | — | — | — | — |
| 8 | 14 | 18 | 23 |
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