Capacities Table; Capacity Characteristic Curves; Rak-18Psc/Rac-18Ws; Rak-25Psc/Rac-25Ws - Hitachi RAK-18PSC Manual

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.
Condition:
①Pipe length / height difference : 5m / 0m
②Indoor fan speed at High mode
3.1.1. RAK-18PS C/RAC
INDOOR
EWB EDB -10
°C °C TC SHC PI
12.0 18 2636 2416 315 1692 1825 212 1566 1685 250 1476 1597 276 1422 1527 288 1332 1439 309 1278 1369 321
14.0 20 2636 2416 315 1818 1825 212 1692 1702 253 1584 1597 279 1530 1544 291 1422 1439 312 1368 1386 327
16.0 22 2636 2571 320 1944 1825 215 1800 1702 256 1692 1597 282 1638 1544 297 1530 1439 318 1476 1386 330
18.0 25 2827 2756 325 2070 1983 218 1908 1843 259 1800 1737 285 1728 1667 297 1620 1562 321 1548 1492 333
19.0 27 2922 2849 330 2142 2088 220 1980 1931 262 1872 1825 288 1800 1755 300 1692 1650 321 1620 1580 333
22.0 30 3240 2818 330 2376 2071 220 2196 1913 262 2070 1808 291 1998 1737 303 1800 1685 333 1674 1650 351
24.0 32 3462 2818 335 2538 2071 223 2340 1913 265 2214 1808 291 2124 1737 306 1872 1720 342 1710 1702 363
INDOOR
EDB -15
°C TC SHC PI TC SHC PI
16 2357 0 1081 2687
18 2334 0 1070 2664
20 2300 0 1055 2640
22 2269 0 1117 2618
24 2234 0 1026 2593
3.1.2. RAK-25PS C/RAC
INDOOR
EWB EDB -10
°C °C TC SHC PI
12.0 18 2964 2410 400 2350 2250 332 2175 2076 392 2050 1968 432 1975 1882 451 1850 1774 484 1775 1687 503
14.0 20 2964 2410 400 2525 2250 332 2350 2098 396 2200 1968 437 2125 1903 456 1975 1774 489 1900 1709 512
16.0 22 2964 2565 406 2700 2250 337 2500 2098 401 2350 1968 442 2275 1903 465 2125 1774 498 2050 1709 517
18.0 25 3179 2750 412 2875 2444 341 2650 2271 405 2500 2141 447 2400 2055 465 2250 1925 503 2150 1839 522
19.0 27 3286 2843 418 2975 2574 345 2750 2379 410 2600 2250 451 2500 2163 470 2350 2033 503 2250 1947 522
22.0 30 3643 2812 418 3300 2552 345 3050 2358 410 2875 2228 456 2775 2141 475 2500 2076 522 2325 2033 550
24.0 32 3893 2812 425 3525 2552 350 3250 2358 415 3075 2228 456 2950 2141 479 2600 2120 536 2375 2098 569
EWB : Evaporator Wet Bulb temperature (°C)
EDB : Evaporator Dry Bulb temperature (°C)
(°CDB) : Outdoor Unit Inlet Air Dry Temperature (°C)
-18WS 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 TC SHC PI
0 1151 2901 0 1204 3043
0 1135 2874 0 1179 3013
0 1120 2848 0 1159 2987
0 1108 2813 0 1137 2944
0 1094 2787 0 1115 2917
-25WS C
COOLING [50Hz, 230V]
OUTDOOR TEMPERATURE (°CDB)
21 27
TC SHC PI TC SHC PI
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 TC SHC PI
0 1239 3396 0 1302 2325
0 1208 3360 0 1271 2314
0 1185 3332 0 1250 2300
0 1156 3296 0 1250 2286
0 1128 3268 0 1190 2272
32 35
TC SHC PI TC SHC PI
TC : Total Capacity (W)
SHC : Sensible Heating Capacity (W)
PI : Power Input
CAPACITIES TABLE
40 43
TC SHC PI TC SHC
7 10
TC SHC PI
0 346 2537 0 356 2928
0 364 2528 0 371 2916
0 375 2473 0 388 2898
0 390 2500 0 402 2884
0 405 2486 0 418 2843
40 43
TC SHC PI TC SHC PI
3-1
PI
15
0 373
0 391
0 409
0 426
0 443