Capacities Table; Capacity Characteristic Curves; Rak-18Rpb/Rac-18Wpb - Hitachi RAC-18WPB Technical Catalogue

CAPACITIES TABLE

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3 CAPACITIES TABLE

3.1. CAPACITY CHARACTERISTIC CURVES

The following charts show the characteristics of outdoor unit capacity, which corresponds with the operating ambient
temperature of outdoor unit.
Conditions:
①Pipe length / height difference : 5m / 0m
②Indoor fan speed at High mode
3.1.1.

RAK-18RPB/RAC-18WPB

INDOOR
EWB EDB -10
°C °C TC SHC PI
12.0 18 1556 1371 307 1763 1828 364 1631 1688 430 1640 1706 506 1580 1631 528 1480 1538 567 1420 1463 589
14.0 20 1556 1371 307 1894 1828 364 1763 1705 435 1760 1706 512 1700 1650 534 1580 1538 572 1520 1481 600
16.0 22 1556 1459 312 2025 1828 369 1875 1705 440 1880 1706 517 1820 1650 545 1700 1538 583 1640 1481 605
18.0 25 1669 1564 316 2156 1986 374 1988 1846 445 2000 1856 523 1920 1781 545 1800 1669 589 1720 1594 611
19.0 27 1725 1617 321 2231 2092 379 2063 1934 450 2080 1950 528 2000 1875 550 1880 1763 589 1800 1688 611
22.0 30 1913 1600 321 2475 2074 379 2288 1916 450 2300 1931 534 2220 1856 556 2000 1800 611 1860 1763 644
24.0 32 2044 1600 326 2644 2074 384 2438 1916 455 2460 1931 534 2360 1856 561 2080 1838 627 1900 1819 666
INDOOR
EDB -15
°C TC SHC PI TC SHC PI
16
1725 662 2038
18
1738 656 2050
20
1750 650 2063
22
1763 644 2075
24
1775 638 2088
EWB : Evaporator Wet Bulb temperature (°C)
EDB : Evaporator Dry Bulb temperature (°C)
(°CDB) : Outdoor Unit Inlet Air Dry Temperature (°C)
COOLING [50Hz, 230V]
OUTDOOR TEMPERATURE (°CDB)
21 27
TC SHC PI TC SHC PI
HEATING [50Hz, 230V]
OUTDOOR TEMPERATURE (°CDB)
-10 -7
TC SHC PI TC SHC PI
680 2218 698 2249
675 2234 689 2268
669 2250 680 2286
663 2266 671 2304
657 2282 662 2322
③Capacity loss due to white frost and defrost operation is not included.
32 35
TC SHC PI TC SHC PI
-5 0
TC SHC PI
689 2335 655 2471
677 2355 642 2486
666 2375 630 2500
654 2395 618 2514
643 2415 605 2529
TC : Total Capacity (W)
SHC : Sensible Heating Capacity (W)
PI : Power Input
40
TC SHC PI TC
7 10
TC SHC PI TC SHC PI
626 2660 639 2954
603 2674 615 2977
580 2688 591 3000
557 2701 567 3023
534 2715 543 3046
43
SHC PI
15
TC SHC PI
664
637
610
583
556