User Manual
Table Of Contents
- Front_page_ErP2013
- TC_Clause
- 00_CONTENTS_ErP_2013
- 01_SYSTEM_DESCRIPTION_ErP2013(190313-draft_10C1a)
- 02_GENERAL_DATA_ErP2013(draft2D)
- 03_DIMENSIONAL_DATA_ErP2013(done)
- -DIMENSIONAL DATA
- MONOZONE / MULTIZONE Indoor Units
- MONOZONE / MULTIZONE Outdoor Units
- MONO SPLIT
- WALL TYPE: RAK-18PSA/25PSA/35PSA/18PSAN/25PSAN/35PSAN
- WALL TYPE: RAC-18WSA/25WSA/35WSA/18WSAN/25WSAN/35WSAN
- WALL TYPE: RAK-18PSPA/25PSPA/35PSPA
- WALL TYPE: RAC-18WSPA/25WSPA/35WSPA
- WALL TYPE: RAK-25PXA/35PXA/50PXA
- WALL TYPE: RAC-25WXA/35WXA
- WALL TYPE: RAC-50WXA
- WALL TYPE: RAK-18PPA/25PPA/35PPA
- WALL TYPE: RAC-18WPA/25WPA
- WALL TYPE: RAC-35WPA
- WALL TYPE: RAK-50PPA
- WALL TYPE: RAC-50WPA
- WALL TYPE : RAK-60PPA
- WALL TYPE: RAC-60WPA
- WALL TYPE: RAK-70PPA
- WALL TYPE: RAC-70WPA
- WALL TYPE: RAK-18PEA/25PEA/35PEA/50PEA
- WALL TYPE: RAC-18WEA/25WEA
- WALL TYPE: RAC-35WEA
- WALL TYPE: RAC-50WEA
- FLOOR TYPE: RAF-25PXA/35PXA/50PXA
- FLOOR TYPE: RAC-25FXA/35FXA
- FLOOR TYPE: RAC-50FXA
- FLOOR TYPE: RAF-25RPA/35RPA/50RPA
- FLOOR TYPE: RAC-25FPA/35FPA
- FLOOR TYPE: RAC-50FPA
- DUCT TYPE: RAD-50PPA/60PPA/70PPA
- DUCT TYPE: RAC-50DPA/60DPA/70DPA
- -DIMENSIONAL DATA
- 04_CAPACITIES_AND_SELECTION-ErP2013(DRAFT04)_3
- 05_WORKING_RANGE_ErP2013(23042012-done)
- 06_ELECTRICAL_DATA_ErP2013(Done)
- 07_A_ELECTRICAL_WIRING_DIAG-ErP2013(draft-03)
- ELECTRICAL WIRING DIAGRAM
- MONOZONE/MULTIZONE
- RAK-18QXA, RAK-25QXA, RAK-35QXA, RAK-50QXA
- RAK-18QPA, RAK-25QPA, RAK-35QPA, RAK-50QPA
- RAF-25QXA, RAF-35QXA, RAF-50QXA
- RAF-25RPA, RAF-35RPA, RAF-50RPA
- RAI-25RPA, RAI-35RPA, RAI-50RPA
- RAD-18RPA, RAD-25RPA, RAD-35RPA, RAD-50RPA
- RAC-25NPA, RAC-35NPA, RAC-50NPA
- RAM-36NP2A
- RAM-53NP2A
- RAM-53NP3A
- RAM-68NP3A
- RAM-70NP4A
- RAM-90NP5A
- RAM-130NP6A (OUTDOOR 1)
- RAM-130NP6A (OUTDOOR 2)
- MONO - SPLIT
- RAK-18PSA, RAK-25PSA, RAK-35PSA
- RAK-18PSAN, RAK-25PSAN, RAK-35PSAN
- RAC-18WSA, RAC-25WSA, RAC-35WSA, RAC-18WSAN, RAC-25WSAN, RAC-35WSAN
- RAK-18PSPA, RAK-25PSPA, RAK-35PSPA
- RAC-18WSPA, RAC-25WSPA, RAC-35WSPA
- RAK-25PXA, RAK-35PXA, RAK-50PXA
- RAC-25WXA, RAC-35WXA
- RAC-50WXA
- RAK-18PPA, RAK-25PPA, RAK-35PPA
- RAC-18WPA, RAC-25WPA
- RAC-35WPA
- RAK-50PPA
- RAC-50WPA
- RAK-60PPA
- RAC-60WPA
- RAK-70PPA
- RAC-70WPA
- RAK-18PEA, RAK-25PEA, RAK-35PEA, RAK-50PEA
- RAC-18WEA, RAC-25WEA
- RAC-35WEA
- RAC-50WEA
- RAF-25PXA, RAF-35PXA, RAF-50PXA
- RAC-25FXA, RAC-35FXA
- RAC-50FXA
- RAF-25RPA, RAF-35RPA, RAF-50RPA
- RAC-25FPA, RAC-35FPA
- RAC-50FPA
- RAD-50PPA, RAD-60PPA, RAD-70PPA
- RAC-50DPA, RAC-60DPA, RAC-70DPA
- MONOZONE/MULTIZONE
- ELECTRICAL WIRING DIAGRAM
- 08_REFRIGERANT_CYCLE_ErP2013(done)
- REFRIGERANT CYCLE
- Monozone/Multizone Indoor Units
- Monozone/Multizone Outdoor Units
- MONO SPLIT
- WALL TYPE: RAK-18PSA/25PSA/35PSA / RAC-18WSA/25WSA/35WSA
- WALL TYPE: RAK-18PSAN/25PSAN/35PSAN / RAC-18WSAN/25WSAN/35WSAN
- WALL TYPE: RAK-18PSPA/25PSPA/35PSPA / RAC-18WSPA/25WSPA/35WSPA
- WALL TYPE: RAK-25PXA / RAC-25WXA
- WALL TYPE: RAK-35PXA / RAC-35WXA
- WALL TYPE: RAK-50PXA / RAC-50WXA
- WALL TYPE: RAK-18PPA/25PPA / RAC-18WPA/25WPA
- WALL TYPE: RAK-35PPA / RAC-35WPA
- WALL TYPE: RAK-50PPA / RAC-50WPA
- WALL TYPE: RAK-60PPA / RAC-60WPA
- WALL TYPE: RAK-70PPA / RAC-70WPA
- WALL TYPE: RAK-18PEA/25PEA / RAC-18WEA/25WEA
- WALL TYPE: RAK-35PEA / RAC-35WEA
- WALL TYPE: RAK-50PEA / RAC-50WEA
- FLOOR TYPE: RAF-25PXA/35PXA / RAC-25FXA/35FXA
- FLOOR TYPE: RAF-50PXA / RAC-50FXA
- FLOOR TYPE: RAF-25RPA / RAC-25FPA
- FLOOR TYPE: RAF-35RPA / RAC-35FPA
- FLOOR TYPE: RAF-50RPA / RAC-50FPA
- DUCT TYPE: RAD-50PPA/60PPA / RAC-50DPA/60DPA
- DUCT TYPE: RAD-70PPA / RAC-70DPA
- REFRIGERANT CYCLE
- 09_REMOTE_CONTROLLERS_OPERA-ErP2013(draft-03D)
- 10_UNITS_INSTALLATION-ErP2013(draft04A)
- UNITS INSTALLATION
- 10.1 INSTALLATION OF INDOOR UNIT
- INSTALLATION OF OUTDOOR UNIT
- FINAL STAGE OF INSTALLATION
- UNITS INSTALLATION
- 11_REFRIGERANT_PIPING_ErP2013(done)
- 12_DRAIN_PIPING_ErP2013(done)
- 13_ELECTRICAL_WIRING-ErP2013(draft01)
- ELECTRICAL WIRING
- General Check
- Electrical wiring for MONOZONE/MULTIZONE Unit
- Procedures of Wiring
- Electrical Wiring for Outdoor unit
- Electrical Wiring for Wall Type Indoor unit
- Electrical Wiring for Floor Type Indoor unit
- Electrical Wiring for 4 Way Ceiling Cassette Type Indoor unit (RAI-25RPA/RAI-35RPA/RAI-50RPA)
- Electrical Wiring for Duct Type Indoor unit (RAD-18RPA/RAD-25RPA/RAD-35RPA/RAD-50RPA/RAD-50PPA/RAD-60PPA/RAD-70PPA)
- Electrical wiring for SINGLE INVERTER Unit
- ELECTRICAL WIRING
- 14_TROUBLESHOOTING_ErP2013(done)
- TROUBLESHOOTING
- PRECAUTIONS FOR TROUBLE SHOOTING
- MONOZONE RAC-25NPA / 35NPA / 50NPA
- MULTIZONE RAM-36NP2A
- MULTIZONE/MONO SPLIT RAM-53NP2A / 53NP3A / 68NP3A / 70NP4A , MONO SPLIT RAF-50PXA/RAC-50FXA
- MULTIZONE RAM-90NP5A
- MULTIZONE RAM-130NP6A
- MONO SPLIT RAK-18/25/35PSA / RAC-18/25/35WSA , RAK-18/25/35PSAN / RAC-18/25/35WSAN , RAK-18/25/35PSPA / RAC-18/25/35WSPA
- MONO SPLIT RAK-18/25/35PPA / RAC-18/25/35WPA , RAK-18/25/35/50PEA / RAC-18/25/35/50WEA , RAF-25/35RPA / RAC-25/35FPA
- MONO SPLIT RAK-50/60/70PPA / RAC-50/60/70WPA
- MONO SPLIT RAF-50RPA / RAC-50FPA
- MONO SPLIT RAF-25/35PXA / RAC-25/35FXA
- MONO SPLIT RAD-50/60/70PPA / RAC-50/60/70DPA
- DISCHARGE PROCEDURE AND POWER SHUT OFF METHOD FOR POWER CIRCUIT
- MONOZONE RAC-25NPA / 35NPA / 50NPA & MULTIZONE RAM-36NP2A / 53NP2A / 53NP3A / 68NP3A / 70NP4A / 130NP6A & MONO SPLIT RAF-50PXA / RAC-50FXA, RAD-50/60/70PPA / RAC-50/60/70DPA
- MULTIZONE RAM-90NP5A
- MONO SPLIT RAK-18/25/35PSA / RAC-18/25/35WSA, RAK-18/25/35PSAN / RAC-18/25/35WSAN , RAK-18/25/35PSPA / RAC-18/25/35WSPA
- MONO SPLIT RAK-18/25/35PPA / RAC-18/25/35WPA, RAK-18/25/35/50PEA / RAC-18/25/35/50WEA , RAF-25/35PXA / RAC-25/35FXA RAF-50RPA / RAC-50FPA
- MONO SPLIT RAK-50/60/70PPA / RAC-50/60/70WPA
- MONO SPLIT RAF-25/35RPA / RAC-25/35FPA
- PRELIMINARY CHECK ON INDOOR/OUTDOOR UNIT ELECTRICAL PARTS AND REFRIGERATING
- CHECKING THE INDOOR UNIT ELECTRICAL PARTS
- No power is detected (no operation)
- Indoor fan does not operate (others are normal) – RAK-25/35/50PXA, RAK-18/25/35/50/70PPA, RAK-18/25/35/50PEA, RAF-25/35/50RPA, RAF-25/35/50PXA, RAD-50/60/70PPA
- Air deflector does not move (others are normal)
- Check the control P.W.B. (power circuit) – RAK-25/35PXA, RAK-18/25/35PPA, RAK-18/25/35/50PEA, RAF-25/35/50RPA, RAF-25/35PXA
- Checking the remote controller
- Outdoor unit does not operate (but receives remote infrared signal)
- All systems stop from several seconds to several minutes after operation is started (all indicators are also off)
- CHECKING OUTDOOR UNIT ELECTRICAL PARTS
- CHECKING BETWEEN GAS LEAKAGE AND COMPRESSOR FAULTY
- TROUBLESHOOTING WHEN INDOOR TIMER LAMP BLINKS
- TROUBLESHOOTING WHEN OUTDOOR LED LAMP BLINKS
- MONOZONE RAC-25NPA / 35NPA / 50NPA
- MULTIZONE
- COMMUNICATION ERROR DIAGNOSIS MULTIZONE RAM- 53NP3A / 68NP3A / 70NP4A / 130NP6A
- COMMUNICATION ERROR DIAGNOSIS MULTIZONE RAM-90NP5A
- MONO SPLIT(RAC-18/25/35WPA, RAC-25/35WXA, RAC-25/35FXA)
- MONO SPLIT (RAC-50WXA, RAC-50FXA
- MONO SPLIT (RAC-50/60/70WPA, RAC-50/60/70DPA)
- CHECKING POWER MODULE
- THERMISTOR
- PRECAUTIONS FOR TROUBLE SHOOTING
- TROUBLESHOOTING
- 15_MISC_Notes_split_ErP2013(done)
- MISCELLANEOUS NOTE
- INSTALLATION AT COLD REGIONS OR SNOWFALL REGIONS.
- INSTALLATION POINTS ON OUTDOOR UNITS IN COLD OR SNOWFALL REGIONS.
- Installation place of Cold and Snowfall Regions
- Considerations to the Seasonal Winds and Snowfall
- Considerations to Snowfall / Snow Buildup
- Considerations to Sliding Snow from Roof or SNOWFALL
- As to Proper Drainage of Defrosting WATER
- Request to cut Net attached to Rear side of Outdoor Unit
- Installation of HOT PIPE
- H-LINK ADAPTOR
- MISCELLANEOUS NOTE
- Back_page(new)
![](/manual/hitachi/rak25pxa/user-manual-english/images/img-348.png)
CAPACITIES AND SELECTION DATA
4-239
INDOOR
OUTDOOR TEMPERATURE (°CDW)
EDB
-15
-10
-7
-5
0
7
10
15
°C
TC
SHC
PI
TC
SHC
PI
TC
SHC
PI
TC
SHC
PI
TC
SHC
PI
TC
SHC
PI
TC
SHC
PI
TC
SHC
PI
(1.2+1.2+1.2)
+(1.8+2.5+3.5
)
16
4536
0
2501
7182
0
2569
8187
0
2678
8858
0
2751
10786
0
3079
12739
0
3120
13898
0
3204
16040
0
3363
18
4473
0
2535
7119
0
2603
8109
0
2734
8770
0
2822
10672
0
3157
12676
0
3279
13847
0
3346
15977
0
3522
20
4410
0
2569
7056
0
2636
8039
0
2778
8694
0
2873
10584
0
3211
12600
0
3380
13545
0
3498
15876
0
3684
22
4347
0
2603
6993
0
2670
7938
0
2836
8568
0
2947
10471
0
3289
12524
0
3515
13696
0
3627
15800
0
3836
24
4284
0
2636
6930
0
2704
7867
0
2893
8492
0
3018
10382
0
3366
12449
0
3650
13621
0
3765
15574
0
3992
(1.2+1.2+1.2)
+(1.8+3.5+3.5
)
16
4536
0
2501
7182
0
2569
8187
0
2678
8858
0
2751
10786
0
3079
12739
0
3120
13898
0
3204
16040
0
3363
18
4473
0
2535
7119
0
2603
8109
0
2734
8770
0
2822
10672
0
3157
12676
0
3279
13847
0
3346
15977
0
3522
20
4410
0
2569
7056
0
2636
8039
0
2778
8694
0
2873
10584
0
3211
12600
0
3380
13545
0
3498
15876
0
3684
22
4347
0
2603
6993
0
2670
7938
0
2836
8568
0
2947
10471
0
3289
12524
0
3515
13696
0
3627
15800
0
3836
24
4284
0
2636
6930
0
2704
7867
0
2893
8492
0
3018
10382
0
3366
12449
0
3650
13621
0
3765
15574
0
3992
(1.2+1.2+1.2)
+(2.5+2.5+2.5
)
16
4536
0
2501
7182
0
2569
8187
0
2678
8858
0
2751
10786
0
3079
12739
0
3120
13898
0
3204
16040
0
3363
18
4473
0
2535
7119
0
2603
8109
0
2734
8770
0
2822
10672
0
3157
12676
0
3279
13847
0
3346
15977
0
3522
20
4410
0
2569
7056
0
2636
8039
0
2778
8694
0
2873
10584
0
3211
12600
0
3380
13545
0
3498
15876
0
3684
22
4347
0
2603
6993
0
2670
7938
0
2836
8568
0
2947
10471
0
3289
12524
0
3515
13696
0
3627
15800
0
3836
24
4284
0
2636
6930
0
2704
7867
0
2893
8492
0
3018
10382
0
3366
12449
0
3650
13621
0
3765
15574
0
3992
(1.2+1.2+1.2)
+(2.5+2.5+3.5
)
16
4536
0
2501
7182
0
2569
8187
0
2678
8858
0
2751
10786
0
3079
12739
0
3120
13898
0
3204
16040
0
3363
18
4473
0
2535
7119
0
2603
8109
0
2734
8770
0
2822
10672
0
3157
12676
0
3279
13847
0
3346
15977
0
3522
20
4410
0
2569
7056
0
2636
8039
0
2778
8694
0
2873
10584
0
3211
12600
0
3380
13545
0
3498
15876
0
3684
22
4347
0
2603
6993
0
2670
7938
0
2836
8568
0
2947
10471
0
3289
12524
0
3515
13696
0
3627
15800
0
3836
24
4284
0
2636
6930
0
2704
7867
0
2893
8492
0
3018
10382
0
3366
12449
0
3650
13621
0
3765
15574
0
3992
(1.2+1.2+1.8)
+(1.2+1.2+1.2
)
16
4140
0
2264
6555
0
2326
7473
0
2425
8085
0
2491
9844
0
2788
11627
0
2824
12685
0
2901
14640
0
3045
18
4083
0
2295
6498
0
2356
7401
0
2476
8004
0
2555
9741
0
2858
11569
0
2968
12639
0
3029
14582
0
3189
20
4025
0
2326
6440
0
2387
7337
0
2515
7935
0
2601
9660
0
2907
11500
0
3060
12363
0
3167
14490
0
3335
22
3968
0
2356
6383
0
2417
7245
0
2568
7820
0
2668
9557
0
2977
11431
0
3182
12501
0
3283
14421
0
3473
24
3910
0
2387
6325
0
2448
7181
0
2619
7751
0
2733
9476
0
3048
11362
0
3305
12432
0
3409
14214
0
3614
(1.2+1.2+1.8)
+(1.2+1.2+1.8
)
16
4392
0
2338
6954
0
2402
7928
0
2504
8577
0
2572
10443
0
2879
12334
0
2917
13457
0
2996
15531
0
3144
18
4331
0
2370
6893
0
2433
7852
0
2556
8491
0
2639
10333
0
2951
12273
0
3065
13408
0
3128
15470
0
3293
20
4270
0
2402
6832
0
2465
7784
0
2598
8418
0
2686
10248
0
3002
12200
0
3160
13115
0
3271
15372
0
3444
22
4209
0
2433
6771
0
2496
7686
0
2652
8296
0
2756
10138
0
3075
12127
0
3286
13261
0
3391
15299
0
3587
24
4148
0
2465
6710
0
2528
7618
0
2704
8223
0
2822
10053
0
3147
12054
0
3413
13188
0
3520
15079
0
3732
(1.2+1.2+1.8)
+(1.2+1.2+2.5
)
16
4788
0
2575
7581
0
2645
8642
0
2758
9350
0
2833
11385
0
3170
13446
0
3212
14670
0
3299
16931
0
3463
18
4722
0
2610
7515
0
2680
8560
0
2815
9257
0
2906
11265
0
3250
13380
0
3376
14617
0
3445
16864
0
3626
20
4655
0
2645
7448
0
2714
8485
0
2861
9177
0
2958
11172
0
3306
13300
0
3480
14298
0
3602
16758
0
3793
22
4589
0
2680
7382
0
2749
8379
0
2920
9044
0
3035
11052
0
3386
13220
0
3619
14457
0
3734
16678
0
3950
24
4522
0
2714
7315
0
2784
8305
0
2978
8964
0
3108
10959
0
3466
13140
0
3758
14377
0
3877
16439
0
4110
(1.2+1.2+1.8)
+(1.2+1.2+3.5
)
16
4788
0
2575
7581
0
2645
8642
0
2758
9350
0
2833
11385
0
3170
13446
0
3212
14670
0
3299
16931
0
3463
18
4722
0
2610
7515
0
2680
8560
0
2815
9257
0
2906
11265
0
3250
13380
0
3376
14617
0
3445
16864
0
3626
20
4655
0
2645
7448
0
2714
8485
0
2861
9177
0
2958
11172
0
3306
13300
0
3480
14298
0
3602
16758
0
3793
22
4589
0
2680
7382
0
2749
8379
0
2920
9044
0
3035
11052
0
3386
13220
0
3619
14457
0
3734
16678
0
3950
24
4522
0
2714
7315
0
2784
8305
0
2978
8964
0
3108
10959
0
3466
13140
0
3758
14377
0
3877
16439
0
4110
EWB : Evaporator Wet Bulb temperature (°C)
TC : Total Capacity (W)
EDB : Evaporator Dry Bulb temperature (°C)
SHC : Sensible Heating Capacity (W)
(°CDB) : Outdoor Unit Inlet Air Dry Temperature (°C)
PI : Power Input