Table 4—Required Subcooling
REQUIRED SUBCOOLING °F (°C)
Model Size |
|
| Outdoor Ambient Temperature |
|
| ||
75 (24) | 82 | (28) | 85 (29) |
| 95 (35) | 105 (41) | |
|
| ||||||
048 | 17.5 (9.7) | 17 (9.4) | 16.5 (9.2) |
| 16 8.9) | 14 (7.8) | |
060 | 21 (11.7) | 20.5 | (11.4) | 20 (11.1) |
| 19 (10.6) | 16 (8.9) |
Table 5—Required Liquid Line Temperature
REQUIRED LIQUID LINE TEMPERATURE FOR A SPECIFIC SUBCOOLING
Pressure (psig) |
| Required Subcooling (°F) |
|
| Pressure (kPa) |
| Required Subcooling (°C) |
| ||||||
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5 |
| 10 | 15 |
| 20 | 3 |
| 6 | 8 |
| 11 | |||
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|
134 | 71 |
| 66 | 61 |
| 56 |
| 924 | 24 |
| 22 | 19 |
| 16 |
141 | 74 |
| 69 | 64 |
| 59 |
| 972 | 26 |
| 23 | 21 |
| 18 |
156 | 80 |
| 75 | 70 |
| 65 |
| 1075 | 30 |
| 27 | 24 |
| 21 |
163 | 83 |
| 78 | 73 |
| 68 |
| 1124 | 31 |
| 28 | 26 |
| 23 |
170 | 86 |
| 81 | 76 |
| 71 |
| 1172 | 33 |
| 30 | 27 |
| 24 |
177 | 89 |
| 84 | 79 |
| 74 |
| 1220 | 34 |
| 31 | 29 |
| 26 |
184 | 91 |
| 86 | 81 |
| 76 |
| 1268 | 36 |
| 33 | 30 |
| 27 |
191 | 94 |
| 89 | 84 |
| 79 |
| 1317 | 37 |
| 34 | 31 |
| 29 |
198 | 96 |
| 91 | 86 |
| 81 |
| 1365 | 38 |
| 36 | 33 |
| 30 |
205 | 98 |
| 93 | 88 |
| 83 |
| 1413 | 40 |
| 37 | 34 |
| 31 |
213 | 101 |
| 96 | 91 |
| 86 |
| 1468 | 41 |
| 38 | 36 |
| 33 |
221 | 104 |
| 99 | 94 |
| 89 |
| 1524 | 43 |
| 40 | 37 |
| 34 |
229 | 106 |
| 101 | 96 |
| 91 |
| 1579 | 44 |
| 41 | 38 |
| 36 |
237 | 108 |
| 103 | 98 |
| 93 |
| 1634 | 45 |
| 42 | 40 |
| 37 |
245 | 111 |
| 106 | 101 |
| 96 |
| 1689 | 47 |
| 44 | 41 |
| 38 |
253 | 113 |
| 108 | 103 |
| 98 |
| 1744 | 48 |
| 45 | 42 |
| 40 |
262 | 116 |
| 111 | 106 |
| 101 |
| 1806 | 49 |
| 46 | 44 |
| 41 |
271 | 118 |
| 113 | 108 |
| 103 |
| 1868 | 51 |
| 48 | 45 |
| 42 |
280 | 121 |
| 116 | 111 |
| 106 |
| 1930 | 52 |
| 49 | 46 |
| 44 |
289 | 123 |
| 118 | 113 |
| 108 |
| 1992 | 53 |
| 51 | 48 |
| 45 |
298 | 125 |
| 120 | 115 |
| 110 |
| 2054 | 55 |
| 52 | 49 |
| 46 |
307 | 128 |
| 123 | 118 |
| 113 |
| 2116 | 56 |
| 53 | 50 |
| 48 |
317 | 130 |
| 125 | 120 |
| 115 |
| 2185 | 57 |
| 54 | 52 |
| 49 |
327 | 132 |
| 127 | 122 |
| 117 |
| 2254 | 59 |
| 56 | 53 |
| 50 |
337 | 135 |
| 130 | 125 |
| 120 |
| 2323 | 60 |
| 57 | 54 |
| 52 |
347 | 137 |
| 132 | 127 |
| 122 |
| 2392 | 61 |
| 58 | 56 |
| 53 |
357 | 139 |
| 134 | 129 |
| 124 |
| 2461 | 62 |
| 60 | 57 |
| 54 |
367 | 142 |
| 137 | 132 |
| 127 |
| 2530 | 64 |
| 61 | 58 |
| 55 |
280 | 121 |
| 116 | 111 |
| 106 |
| 1930 | 52 |
| 49 | 46 |
| 44 |
289 | 123 |
| 118 | 113 |
| 108 |
| 1992 | 53 |
| 51 | 48 |
| 45 |
298 | 125 |
| 120 | 115 |
| 110 |
| 2054 | 55 |
| 52 | 49 |
| 46 |
307 | 128 |
| 123 | 118 |
| 113 |
| 2116 | 56 |
| 53 | 50 |
| 48 |
317 | 130 |
| 125 | 120 |
| 115 |
| 2185 | 57 |
| 54 | 52 |
| 49 |
327 | 132 |
| 127 | 122 |
| 117 |
| 2254 | 59 |
| 56 | 53 |
| 50 |
337 | 135 |
| 130 | 125 |
| 120 |
| 2323 | 60 |
| 57 | 54 |
| 52 |
347 | 137 |
| 132 | 127 |
| 122 |
| 2392 | 61 |
| 58 | 56 |
| 53 |
357 | 139 |
| 134 | 129 |
| 124 |
| 2461 | 62 |
| 60 | 57 |
| 54 |
367 | 142 |
| 137 | 132 |
| 127 |
| 2530 | 64 |
| 61 | 58 |
| 55 |
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b.Inspect for oil at all refrigerant tubing connections and on unit base. Detecting oil generally indicates a refrigerant leak.
c.Inspect all field- and
d.Inspect coil fins. If damaged during shipping and handling, carefully straighten fins with a fin comb.
3.Verify the following conditions:
a.Make sure that
b.Make sure that air filter is in place.
c.Make sure that condensate drain trap is filled with water to ensure proper drainage.
d.Make sure that all tools and miscellaneous loose parts have been removed.
7