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Table 1: Price comparison based on sensible cooling capacity | |||||
听 | Nominal cooling (kW) @ 27潞C | Total cooling (kW) @ 22潞C | Sensible heat ratio | Sensible cooling (kW) @ 22潞C | Cost of supply (拢) |
SC: A | 3路9 | 0路92 | 3路6 | 2072 | |
Split: A | 6路5 | 6路2 | 0路65 | 4路0 | 1221 |
SC: B | 5路4 | 0路89 | 4路8 | 2524 | |
Split: B | 7路1 | 6路6 | 0路73 | 4路8 | 1868 |
SC: C | 7路6 | 0路86 | 6路5 | 2592 | |
Split: C | 11路5 | 10路8 | 0路57 | 6路2 | 2810 |
SC: D | 9路2 | 0路87 | 8路0 | 2956 | |
Split: D | 10路0 | 9路3 | 0路76 | 7路1 | 2181 |
Table 2: Installation cost comparison | ||||
听 | Sensible cooling capacity (kW) | Installation cost (selected pipe runs) | ||
听 | 听 | 20 m | 40 m | 60 m |
SC: B | 4路8 | 拢840 | 拢1,000 | 拢1,360 |
Split: B | 4路8 | 拢900 | 拢1,085 | 拢1,420 |
SC: D | 8路0 | 拢870 | 拢1,055 | 拢1,415 |
Split: D | 7路1 | 拢925 | 拢1,140 | 拢1,525 |
Table 3: Energy consumption cost comparison | |||||
听 | Sensible cooling (1) @ 22潞C | Total absorbed power (2) (kW) | Effective cop (1) 梅 (2) | Absorbed energy per annum (kWh) | Annual energy cost (4p/kWh) |
SC: A | 3.6 | 1.1 | 3/4 | 9198 | 拢368 |
Split: A | 4.0 | 2.4 | 1路7 | 20 761 | 拢830 |
SC: B | 4.8 | 1.5 | 3路1 | 13 490 | 拢540 |
Split: B | 4.8 | 2.5 | 2路0 | 21 462 | 拢858 |
SC: C | 6.5 | 2.3 | 2路8 | 20 148 | 拢806 |
Split: C | 6.2 | 2.6 | 2路4 | 22 776 | 拢911 |
SC: D | 8.0 | 2.7 | 3路0 | 23 652 | 拢946 |
Split: D | 7.1 | 3.4 | 2路1 | 29 434 | 拢1,177 |
Table 4: Footprint comparison based on sensible cooling capacity | |||
听 | Sensible cooling capacity (kW) | Width (mm) | Depth (mm) |
SC: A | 3路6 | 450 | 550 |
Split: A | 4路0 | 1042 | 190 |
SC: B | 4路8 | 450 | 550 |
Split: B | 4路8 | 1570 | 200 |
SC: C | 6路1 | 450 | 550 |
Split: C | 6路2 | 1570 | 200 |
SC: D | 7路4 | 700 | 550 |
Split: D | 7路1 | 1570 | 200 |
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