Hitachi MULTIZONE RAK-25RXE Technical Catalogue Download Page 31

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CONTROL AND FUNCTION

TIMER

LAMP

BLINKING

LD301

BLINKING

CODE

MEANING

4 times

6 times

OH thermistor temperature rise

4 times

7 times

Abnormal outdoor thermistor

4 times

times

Hign load stop

4 times

9 times

Communication error

4 times

10 times

Abnormal power source

4 times

11 times

Fan stop for strong wind

4 times

12 times

Fan motor fault

4 times

13 times

EEPROM reading error

4 times

14 times

Active converter defective

4 times

15 times

Abnormal PWB circuit

Summary of Contents for MULTIZONE RAK-25RXE

Page 1: ...TECHNICAL CATALOGUE MONO SPLIT RAK 25RXE RAK 35RXE RAK 50RXE RAC 25WXE RAC 35WXE RAC 50WXE ...

Page 2: ... in order for HITACHI to bring in the latest innovations to their customers Whilst every effort is made to ensure that all dimensions and specifications are correct any printers error not rectified are outside the control of HITACHI who cannot be held responsible for the same ...

Page 3: ...___________ 17 RAK 25RXE RAK 35RXE RAK 50RXE ____________________________________________________ 17 RAC 25WXE RAC 35WXE RAC 50WXE ___________________________________________________ 18 REFRIGERANT CYCLE_________________________________________________________________ 19 WALL TYPE RAK 25RXE RAC 25WXE RAK 35RX RAC 35WX ______________________________ 19 WALL TYPE RAK 50RXE RAC 50WXE ________________...

Page 4: ...t C H A 1 09 4 35 1 09 5 22 1 09 6 09 1 09 6 96 2 17 9 13 2 17 11 74 Power supply 220 230V 220 230V 220 230V Cable section interconnection mm 1 50x 3 EARTH 1 50x 3 EARTH 2 50x 3 EARTH Piping diameter Liq Gas Inch 1 4 3 8 1 4 3 8 1 4 1 2 Drain diameter ext mm φ 16 φ 16 φ 16 Remote control standard optional RAR 6NE1 SPX RCDB RAR 6NE1 SPX RCDB RAR 6NE1 SPX RCDB Filter ACL Filter Optional activated ca...

Page 5: ...ARTH mm 1 50x 3 EARTH 1 50x 3 EARTH 2 50x 3 EARTH Inch 1 4 3 8 1 4 3 8 1 4 1 2 m 3 3 3 m 20 10 20 10 30 10 kg 0 98 0 98 1 30 m g m 20 20 30 C 10 43 20 21 10 43 20 21 10 43 20 21 R32 R32 R32 Propeller Fan Propeller Fan Propeller Fan Type ROTARY ROTARY 2 Cylinder Rotary Oil Charge mL 320 20 320 20 480土20 Oil Type ACS 68R or equivalent ACS 68R or equivalent ACS 68R or equivalent Coil resistance Ω 1 3...

Page 6: ...DIMENSIONAL DATA 4 2 DIMENSIONAL DATA 2 1 WALL TYPE RAK 25RXE 35RXE 50RXE 900 295 210 12 7 RAK 50RXE RAK 25 35RXE 265 265 370 231 5 231 5 70 530 75 19 3 60 220 4 ...

Page 7: ...DIMENSIONAL DATA 5 2 2 WALL TYPE RAC 25WXE 35WXE Unit mm 600 346 299 202 163 5 589 92 59 792 877 55 57 190 147 12 11 Drain hole Drain hole AIR SUCTION View from the rear Drain hole ...

Page 8: ...DIMENSIONAL DATA 6 2 3 WALL TYPE RAC 50WXE ...

Page 9: ...71 2238 328 2381 2088 391 2350 2057 452 2275 1989 476 2125 1853 510 2050 1785 529 18 0 25 2119 1916 281 2738 2432 332 2524 2260 395 2500 2237 457 2400 2147 476 2250 2011 515 2150 1921 534 19 0 27 2190 1980 285 2833 2561 337 2619 2368 400 2600 2350 462 2500 2260 481 2350 2124 515 2250 2034 534 22 0 30 2429 1959 285 3143 2540 337 2905 2346 400 2875 2328 467 2775 2237 486 2500 2170 534 2325 2124 563 ...

Page 10: ...355 3950 3108 1453 3800 2994 1523 16 0 22 3952 2996 804 5143 3754 953 4762 3501 1134 4700 3449 1313 4550 3335 1383 4250 3108 1481 4100 2994 1537 18 0 25 4238 3212 817 5476 4079 965 5048 3790 1147 5000 3752 1327 4800 3601 1383 4500 3373 1495 4300 3222 1551 19 0 27 4381 3321 829 5667 4295 978 5238 3970 1160 5200 3942 1341 5000 3790 1397 4700 3563 1495 4500 3411 1551 22 0 30 4857 3285 829 6286 4259 9...

Page 11: ...g to Piping Length The heating capacity should be corrected according to the following formula HCA HC x F HCA Actual Corrected Heating Capacity kcal h HC Heating Capacity in the Performance Table kcal h F Correction Factor Based on the Equivalent Piping Length The correction factors are shown in the following figure Equivalent Piping Length for One 90º Elbow is 0 5m One 180º Curve is 1 5m H Vertic...

Page 12: ... 10 Models RAK 25RXE RAC 25WXE RAK 35RXE RAC 35WXE Cooling Change Ratio Heating Change Ratio Pipe length m Pipe length m Models RAK 50RXE RAC 50WXE Cooling Change Ratio Heating Change Ratio Pipe length m Pipe length m ...

Page 13: ...ating capacity is corrected by the equation below Corrected heating capacity Defrost Correction factor x unit capacity OUTDOOR TEMPERATURE CDB 15 10 7 5 0 7 10 15 Correction factor humidity rate85 RH 0 95 0 95 0 89 0 85 0 81 1 0 1 0 1 0 Correction Factor NOTE The correction factor is not valid for special conditions such as snowfall or operation in a transitional period Heating capacity 1 cycle Ho...

Page 14: ...re Level dB 250 500 1000 2000 Octave band main wave length Hz Sound Pressure Level dB 250 500 1000 2000 Octave band main wave length Hz COOLING HEATING 49 0 46 3 46 1 43 4 40 5 37 0 30 4 24 4 NC 15 NC 20 NC 25 NC 30 NC 35 NC 40 NC 45 NC 50 NC 55 NC 60 NC 65 NC 70 0 0 10 0 20 0 30 0 40 0 50 0 60 0 70 0 80 0 90 0 63 125 4000 8000 47 1 48 4 46 6 45 0 42 3 38 3 32 7 26 8 NC 15 NC 20 NC 25 NC 30 NC 35 ...

Page 15: ...50 500 1000 2000 Octave band main wave length Hz Sound Pressure Level dB 250 500 1000 2000 Octave band main wave length Hz COOLING HEATING 49 7 48 4 46 9 45 0 41 9 37 9 32 6 25 7 NC 15 NC 20 NC 25 NC 30 NC 35 NC 40 NC 45 NC 50 NC 55 NC 60 NC 65 NC 70 0 0 10 0 20 0 30 0 40 0 50 0 60 0 70 0 80 0 90 0 63 125 4000 8000 49 7 48 6 48 5 46 3 43 7 39 6 34 1 27 2 最小可聴値 NC 15 NC 20 NC 25 NC 30 NC 35 NC 40 ...

Page 16: ...dB 250 500 1000 2000 Octave band main wave length Hz Sound Pressure Level dB 250 500 1000 2000 Octave band main wave length Hz COOLING HEATING 50 8 50 2 48 5 44 3 38 9 36 0 26 9 24 0 NC 15 NC 20 NC 25 NC 30 NC 35 NC 40 NC 45 NC 50 NC 55 NC 60 NC 65 NC 70 0 0 10 0 20 0 30 0 40 0 50 0 60 0 70 0 80 0 90 0 63 125 4000 8000 52 7 50 5 50 7 48 9 44 7 42 7 36 7 30 0 NC 15 NC 20 NC 25 NC 30 NC 35 NC 40 NC ...

Page 17: ... models RAC 25WXE RAC 35WXE RAC 50WXE The temperature range is indicated in the following table Cooling Heating working range min o C max o C rated o C working range min o C max o C rated o outdoor C 10 43 35 outdoor 20 21 7 indoor 16 43 27 indoor 16 26 20 10 20 30 0 10 20 30 40 50 5 10 15 20 25 30 35 40 45 50 10 20 30 0 10 20 30 40 0 5 10 15 20 25 30 35 40 Indoor Temperature Indoor Temperature Am...

Page 18: ...nit Power Supply Voltage V HZ Frequency Hz STC Starting Current A NOTE 1 The above compressor data is based on 100 capacity combination of indoor units at the rated operating frequency 2 This data is based on the same conditions as the nominal heating and cooling capacities 3 The compressor started by an inverter resulting in extremely low starting current RAK 25RXE 230 1 50 3 15 C 2 92 H 2 73 C 4...

Page 19: ...WIRING DIAGRAM 17 7 WIRING DIAGRAM 7 1 RAK 25RXE RAK 35RXE RAK 50RXE ...

Page 20: ...WIRING DIAGRAM 18 7 2 RAC 25WXE RAC 35WXE RAC 50WXE ...

Page 21: ...REFRIGERANT CYCLE CYC19LE 8 REFRIGERANT CYCLE 8 1 WALL TYPE RAK 25RXE RAC 25WXE RAK 35RXE RAC 35WXE 8 2 WALL TYPE RAK 50RXE RAC 50WXE Silencer Silencer Silencer Silencer ...

Page 22: ...g and thawing of the heat exchanger WEEKLY TIMER buttons ON OFF TIMER button The device will turn on off and off on at the designated time TIME button Press the button to set starting time of the program OK button Press the button to save the program The button shall be pressed everytime after finishing a program setting DELETE button 1 Press the button to delete the selected program 2 Press the b...

Page 23: ...utes 9 3 SHIFT VALUE 1 Press and hold button and ON button 2 Press RESET button on the same time Release RESET button only then release and ON button once Screen 1 appears Screen 1 Screen 2 3 Press the MODE button to display fan mode Screen 3 Screen 3 4 Press and Screen 4 appear Screen 4 5 Select FAN SPEED button to choose Heating Shift or Cooling Shift Mode Screen 5 By setting fan speed to HIGH o...

Page 24: ...peration is unlocked 2 COOLING AND DEHUMIDIFYING MODE a Press and hold ECO and SILENT buttons for at least 5 seconds when the remote controller is OFF b Wait until only and displayed on the screen The cooling and dehumidifying modes operation is locked c To unlock HEATING mode repeat step a After all operations mode symbols displayed for 10 seconds the operation mode symbol before cancellation wil...

Page 25: ...on Sun button Remote controller now enters Intermittent Fan Control Change Mode 2 Press ROOM TEMPERATURE setting UP V DOWN buttons The intermittent pattern changed with indoor unit beep sound Pattern 1 Pattern 2 Pattern 3 Single Model Continuous 30sec ON 210sec OFF repeatedly 50sec ON 190sec OFF repeatedly Multi Model 30sec ON 210sec OFF repeatedly 50sec ON 190sec OFF repeatedly Continuous NOTE 1 ...

Page 26: ...usly for about 5 seconds when the remote controller is OFF Beep sound pattern 1 Default setting Short beep 2 Changed setting Double beep Fan speed during thermo off Default Setting Ultra low Changed Setting Set fan speed When auto fan speed is set the fan speed is low NOTE 1 The selected fan speed will remain unchanged after the unit is turned off 2 If Timer reservation has been set it will be can...

Page 27: ...or 10 times 010 00 Abnormal rotating numbers 13 times 013 00 IC401 data reading error OUTDOOR 4 times 2 times 002 01 Peak current cut 4 times 3 times 003 01 Compressor abnormal low speed rotation 4 times 4 times 004 01 Compressor switching failure 4 times 5 times 005 01 Overload lower limit cut 4 times 6 times 006 01 OH thermistor temperature rise 4 times 7 times 007 01 Abnormal outdoor thermistor...

Page 28: ...on the DIP SWITCH above to the ON or OFF position accordingly 9 9 2 HEATING COOLING ONLY MODEL SELECTION When this function is enabled the operation mode could be locked to either Heating Only Heating or Fan or Cooling Only Cooling Fan or Dehumidifying by setting the Pin No 4 and 5 accordingly LOCKED MODE REMARKS HEATING ONLY Unit will not enter into Cooling mode although cooling mode is selected ...

Page 29: ...ranging from 3 to 3 2 The changed shift value will remain unchanged after turned off the power RAR 5G2 SPX RCDB BUTTONS FUNCTION MODE Selector Use this button to select the operationg mode Every time you press this button the mode will change from cyclically FAN SPEED Selector Button This determines the fan speed Every time you press this button the airflow rate will change from This button allows...

Page 30: ...r unit is under forced operation 3 times 9 times Communication error between indoor and outdoor units 9 times Indoor thermistor 10 times Abnormal rotating numbers 13 times IC401 data reading error OUTDOOR 4 times 2 times Peak current cut 4 times 3 times Compressor abnormal low speed rotation 4 times 4 times Compressor switching failure 4 times 5 times Overload lower limit cut 01 03 04 I 02 I 03 I ...

Page 31: ...thermistor 4 times 16 times Hign load stop 4 times 9 times Communication error 4 times 10 times Abnormal power source 4 times 11 times Fan stop for strong wind 4 times 12 times Fan motor fault 4 times 13 times EEPROM reading error 4 times 14 times Active converter defective 4 times 15 times Abnormal PWB circuit 07 I 12 I 13 I 14 I 06 I 10 I 11 I 09 I 15 I 16 I ...

Page 32: ...e where there is electromagnetic wave direct radiation shield the controller and cables by covering with the steel box and running the cable through the metal conduit tube In case that there is electric noise at the power source for the indoor unit provide a noise filter 10 2 2 INSTALLATION WORK Before installation Check the contents and the number of the accessories in the packing Adaptor 1 piece...

Page 33: ...rol device when performing the wiring work DO NOT run all the H LINK cable or power supply cable along the other signal cable or malfunction may occur due to the noise etc If it is required to run along the other transmission cable separate the cable more than 30cm or run the cable through the metal tube and earth the tube Follow local codes and regulations when performing electrical wiring and ea...

Page 34: ... 2 The position of the DIP switch is shown below CAUTION DO NOT turn ON various pins of DSW1 and DSW2 3 Set the refrigerant cycle by RSW1 and DSW1 DSW1 Ten digit RSW1 Last digit DSW1 and RSW1 are set 0 before shipment Up to 15 cycles can be set E g Setting in Ref No 5 4 Set the unit No by RSW2 and DSW2 DSW2 Ten digit RSW2 Last digit DSW2 and RSW3 are set 0 before shipment Up to 15 cycles can be se...

Page 35: ...ed only by the RAC adaptor set the terminating resistance by the RAC adaptor The terminating resistance should be set ON in only one position in whole H LINK system 10 2 5 TEST RUN Test run should be performed in the following after finishing the installation wiring and setting Refer to the installation manuals enclosed with the control system equipment 1 Confirmation of RAC Adaptor Connection Con...

Page 36: ...DIP SWITCH AIR CONDITIONER Standby AIR CONDITIONER Operating POSITION CONDITION OF DIP SWITCH CARD KEY Door Switch REMOVE INSERT INITIAL CONDITION CARD KEY NO USE Contact type a OPEN CLOSE Contact type b CLOSE OPEN After all connection has been done as below diagram ON the breaker and push ON button of wireless remote controller or wired remote controller to operate the air conditioner unit When t...

Page 37: ...e optional connecting cords SPX WDC3 for more details AC POWER SUPPLY Connecting Cord to PCB SPX WDC3 Contact with sleeve CN6 DIP SW DSW1 Dry contact Card sensor indicator Window Close ON Open OFF Window Close ON Open OFF Card key unit Insert Card ON Remove Card OFF Indoor unit PWB Connection Connection SERIAL CONNECTION All SW ON OPERATION Connecting cord to PCB Accessory SPX WDC3 Window Close OF...

Page 38: ...red remote controller when there is a need to centralize the control of multiple indoor units using only a single wired remote controller A single distributor could be connected further to 3 separate distributors so that up to 13 units of indoor could be controlled by a single wired remote controller ...

Page 39: ...TC ERP Model 2019 02 INDOOR OUTDOOR RAC 25WXE RAC 35WXE RAC 50WXE RAK 25RXE RAK 35RXE RAK 50RXE ...

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