Site Preparation
2.3Refrigerant Planning Values
Planning for the refrigerant requirements of the completed system is the addition of the charges from Indoor Unit, Condenser (including
These values can be used for obtaining adequate refrigerant for the system, but should not be used for final charging. Consult indoor unit manual for charging procedures.
Table 3 |
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| Approximate | Approximate | ||||||||||||
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| Single Circuit |
| Dual Circuit | Single Circuit |
| Dual Circuit | ||||||||
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| lb (kg) |
| lb/circuit (kg/circuit) | lb (kg) |
| lb/circuit (kg/circuit) | ||||||||
Standard |
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Condenser |
| FSC or | (includes | FSC or | (includes | FSC or | (includes | FSC or | (includes | ||||||
Models |
| VFD | receiver) | VFD | receiver) | VFD | receiver) | VFD | receiver) | ||||||
83 |
| 5 (2.3) | 27 | (12.3) | 3 | (1.4) | 15 | (6.8) | 5 (2.3) | 26 | (11.8) | 3 | (1.4) | 15 | (6.8) |
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104 |
| 8 (3.6) | 39 | (17.7) | 7 | (3.2) | 21 | (9.5) | 8 (3.6) | 37 | (16.8) | 7 | (3.2) | 20 | (9.0) |
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165 |
| 15 (6.8) | 53 | (24.0) | 5 | (2.3) | 27 (12.3) | 15 (6.8) | 50 | (22.7) | 5 | (2.3) | 26 (11.8) | ||
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205 |
| 20 (9.1) | 76 | (34.5) | 7 | (3.2) | 38 (17.2) | 19 (8.6) | 72 | (32.7) | 7 | (3.2) | 36 (16.3) | ||
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251 |
| 19 (8.6) | 75 | (34.0) | 10 (4.6) | 38 (17.2) | 18 (8.2) | 71 (32.23) | 10 (4.6) | 36 (16.3) | |||||
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308 |
| 29 (13.2) | 113 (51.3) | 11 (5.0) | 58 (26.3) | 28 (12.7) | 107 (48.5) | 11 (5.0) | 55 (24.9) | ||||||
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415 |
| 54 (24.5) | 182 (82.6) | 15 (6.8) | 75 (34.0) | 51 (23.1) | 173 (78.4) | 15 (6.8) | 71 (32.2) | ||||||
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510 |
| 72 (32.7) |
| N/A | 30 | (13.6) | 149 | (67.6) | 68 (30.8) |
| N/A | 29 | (13.2) | 142 | (64.4) |
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616 |
| N/A | 267 | (121.3) | 27 | (12.3) | 113 | (51.3) | N/A | 254 | (115.2) | 26 | (11.8) | 108 | (49.0) |
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830 |
| N/A |
| N/A | 30 | (13.6) | 149 | (67.6) | N/A |
| N/A | 29 | (13.2) | 142 | (64.4) |
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1010 |
| N/A |
| N/A | 60 | (27.2) | 154 | (69.9) | N/A |
| N/A | 57 | (25.9) | 147 | (66.7) |
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63 |
| N/A | 39 | (17.7) |
| N/A | 21 | (9.5) | N/A | 37 | (16.8) |
| N/A | 20 | (9.1) |
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119 |
| N/A | 50 | (22.7) |
| N/A | 27 (12.3) | N/A | 48 | (21.8) |
| N/A | 26 (11.8) | ||
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127 |
| N/A | 76 | (34.5) |
| N/A | 38 (17.2) | N/A | 72 | (32.6) |
| N/A | 36 (16.3) | ||
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143 |
| N/A | 126 (57.2) |
| N/A | 64 (29.0) | N/A | 120 (54.5) |
| N/A | 61 (27.7) | ||||
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214 |
| N/A | 161 (73.0) |
| N/A | 81 (36.7) | N/A | 153 (69.4) |
| N/A | 77 (34.9) | ||||
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286 |
| N/A | 196 (88.9) |
| N/A | 125 | (56.7) | N/A | 186 (84.4) |
| N/A | 119 | (54.0) | ||
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409 |
| N/A |
| N/A |
| N/A | 129 | (58.5) | N/A |
| N/A |
| N/A | 125 | (55.8) |
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572 |
| N/A |
| N/A |
| N/A | 196 | (88.9) | N/A |
| N/A |
| N/A | 186 | (84.4) |
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Table 4 | Interconnecting piping refrigerant charge |
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Line Size, | |||||||
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O.D., in. |
| Liquid Line | Hot Gas Line | Liquid Line | Hot Gas Line | ||
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3/8 |
| 3.8 | (1.7) | — | 3.7 | (1.7) | — |
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1/2 |
| 7.3 | (3.3) | — | 6.9 | (3.1) | — |
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5/8 |
| 11.7 (5.3) | 2.1 (1.0) | 11.0 (5.0 | 2.2 (1.0) | ||
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3/4 |
| 16.6 (7.5) | 3.0 (1.4) | 15.7 (7.1) | 3.1 (1.3) | ||
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7/8 |
| 24.4 | (11.1) | 4.4 (2.0) | 23.0 | (10.4) | 4.5 (1.9) |
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| 41.4 | (18.9) | 7.8 (3.5) | 39.3 | (17.8) | 7.8 (3.5) | |
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| 63.3 | (28.7) | 11.8 (5.4) | 59.8 (27.1 | 11.8 (5.4) | ||
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| — | 16.7 (7.6) | — | 16.7 (7.6) | |||
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12
