Hitachi RAK-18PSC Manual Download Page 17 | Manualshive

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7-1

7 WIRING DIAGRAM

7.1.

RAK-18PS

-25PS

-35PS

C, RAK

C, RAK

C

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Summary of Contents for RAK-18PSC

Page 1: ...TECHNICAL CATALOGUE MONO SPLIT RAK 25PSC RAK 35PSC RAK RA RA RA C 18PSC C 18WS C 25WSC C 35WSC ...

Page 2: ...tice 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: ...____________________6 1 7 WIRING DIAGRAM _________________________________________________________7 1 7 1 RAK 18PSC RAK 25PSC RAK 35PSC _________________________________________7 1 7 2 RAC 18WSC RAC 25WSC RAC 35WS _______________________________________7 2 C 8 REFRIGERANT CYCLE _____________________________________________________8 1 8 1 WALL TYPE RAK 18PSC 25PSC 35PSC RAC 18WSC 25WSC 35WS _______...

Page 4: ...m φ16mm φ16mm φ16mm Running current C H A 0 30 3 83 0 28 7 04 0 30 4 17 0 28 9 78 0 30 5 87 0 28 10 65 Power supply 220 230V 220 230V 220 230V Cable section Interconnection mm 1 50x 3 EARTH 1 50x 3 EARTH 1 50x 3 EARTH Piping diameter Liq Gas Inch 1 4 1 2 1 4 1 2 1 4 1 2 Drain diameter ext mm φ16 φ16 φ16 Remote control standard optional RAR 5W2 SPX RCDB RAR 5W2 SPX RCDB RAR 5W2 SPX RCDB Filter Pre ...

Page 5: ...se size A 25 25 25 Starting current C H A 2 32 2 42 3 37 3 53 4 67 4 88 Running current C H A 0 30 3 83 0 28 7 04 0 30 4 17 0 28 9 78 0 30 5 87 0 28 10 65 Cable section Power mm 2 1 50x 2 EARTH 1 50x 2 EARTH 1 50x 2 EARTH Cable section Interconnection mm 2 1 50x 3 EARTH 1 50x 3 EARTH 1 50x 3 EARTH Piping diameter Liq Gas 1 4 1 2 1 4 1 2 1 4 1 2 Minimum piping length m 3 3 3 Maximum piping length h...

Page 6: ...DIMENSIONAL DATA 2 1 2 DIMENSIONAL DATA 2 1 WALL TYPE RAK 18PS PS PS C 25 C 35 C 12 7 ...

Page 7: ...DIMENSIONAL DATA 2 2 2 2 WALL TYPE RAC 18WSC 25WSC 35WSC Unit mm 600 345 299 202 163 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: ...PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI 16 2357 01081 2687 01151 2901 012043043 012393396 013022325 0 3462537 0 3562928 0 373 18 2334 01070 2664 01135 2874 011793013 012083360 012712314 0 3642528 0 3712916 0 391 20 2300 01055 2640 01120 2848 011592987 011853332 012502300 0 3752473 0 3882898 0 409 22 2269 01117 2618 01108 2813 011372944 011563296 012502286 0 3902500 0 4022884 0 426 24 ...

Page 9: ...2397 628 3290 2457 757 3185 2376 797 2975 2214 853 2870 2133 886 18 0 25 3168 2444 502 3684 2792 534 3396 2595 635 3500 2673 765 3360 2565 797 3150 2403 861 3010 2295 894 19 0 27 3275 2526 510 3812 2941 541 3524 2718 643 3640 2808 773 3500 2700 805 3290 2538 861 3150 2430 894 22 0 30 3631 2499 510 4228 2916 541 3908 2694 643 4025 2781 781 3885 2673 813 3500 2592 894 3255 2538 942 24 0 32 3880 2499...

Page 10: ... 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 Vertical Distance Between Indoor Unit and Outdoor Units in Meters L Actual One Way Piping Length Between Indoor Unit and O...

Page 11: ...e heating capacity is corrected by the equation below Corrected heating capacity Defrost Correction factor x unit capacity OUTDOOR TEMPERATURE CDB 15 10 5 0 7 10 15 Correction factor humidity rate85 RH 0 95 0 95 0 91 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 Hour ...

Page 12: ...of your specific site 35 9 36 9 43 7 44 8 47 2 41 5 38 1 34 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 10 20 30 40 50 60 70 80 90 63 125 250 500 1000 2000 4000 8000 Sound Pressure Level dB Octave band main wave length Hz 33 5 36 8 42 8 42 8 44 6 37 6 33 2 34 1 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 10 20 30 40 50 60 70 80 90 63 12...

Page 13: ...ur specific site 35 6 37 44 2 44 4 47 41 4 33 9 34 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 10 20 30 40 50 60 70 80 90 63 125 250 500 1000 2000 4000 8000 Sound Pressure Level dB Octave band main wave length Hz 33 5 34 0 43 3 42 6 44 8 38 5 32 0 34 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 10 20 30 40 50 60 70 80 90 63 125 250 500...

Page 14: ...ur specific site 36 1 39 1 47 5 45 6 48 4 43 38 2 35 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 10 20 30 40 50 60 70 80 90 63 125 250 500 1000 2000 4000 8000 Sound Pressure Level dB Octave band main wave length Hz 33 6 35 8 44 0 45 6 48 7 42 6 34 2 34 3 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 10 20 30 40 50 60 70 80 90 63 125 250 500...

Page 15: ...5WSC RAC 35WSC 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 C outdoor 10 43 35 outdoor 20 21 7 indoor 16 32 27 indoor 16 32 20 20 10 0 10 20 30 40 50 10 5 0 5 10 15 20 25 30 35 40 Cooling working range 30 20 10 0 10 20 30 40 10 5 0 5 10 15 20 25 30 35 40 Heating working range Indoor Temperatu...

Page 16: ...ssor Motor VOL PH Hz Fuse Rating A Min V Max V Locked Rotor Ampere A STC Cooling Operation Heating Operation RNC IPT RNC IPT RAC 18WSC 230 1 50 25 207 253 2 42 7 04 300 3 83 375 RAC 25WSC 230 1 50 25 207 253 3 53 9 78 470 4 17 570 RAC 35WSC 230 1 50 25 207 253 4 88 10 65 805 5 87 790 VOL Rated Unit Power Supply Voltage V RNC Running Current A HZ Frequency Hz PH Phase φ STC Starting Current A IPT I...

Page 17: ...WIRING DIAGRAM 7 1 7 WIRING DIAGRAM 7 1 RAK 18PS 25PS 35PS C RAK C RAK C ...

Page 18: ...WIRING DIAGRAM 7 2 7 2 RAC 18WS 25WS 35WS C RAC C RAC C ...

Page 19: ...REFRIGERANT CYCLE CYC8 1L 8 REFRIGERANT CYCLE 8 1 WALL TYPE RAK 18PS 25PS 35PS RAC 18WS 25WS 35WS C C C C C C ...

Page 20: ...vice 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 button for about 10 seconds by directing the remote controller towards the indoor un...

Page 21: ... startup of Automatic Operation also known as Auto Changeover function Intervals Duration 1 st 10 minutes interval 2 nd 15 minutes interval Subsequent interval Every 55 minutes 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...

Page 22: ...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 23: ...9 times 009 00 Indoor thermistor defective 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 ...

Page 24: ...IP SWITCH above to the ON or OFF position accordingly 9 7 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 using th...

Page 25: ...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 selecti...

Page 26: ...nt cycle fault 2 times Outdoor unit is under forced operation 3 times 9 times Communication error between indoor and outdoor units 9 times Indoor thermistor defective 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 Overloa...

Page 27: ...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 4 times Abnormal PWB circuit 15 I 4 times 16 times 15 I 4 times 16 I High load stop ...

Page 28: ...here 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 of...

Page 29: ...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 30: ...D 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 s...

Page 31: ...ted 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 Co...

Page 32: ...rating 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 the CARD KEY is in insert condition the air conditioner...

Page 33: ...he 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 O...

Page 34: ...HITACHI TC ERP Model INDOOR OUTDOOR RAK 25PSC RAK 18PSC RAK 35PSC RAC 25WSC RAC 18WSC RAC 35WSC ...

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