background image

OPTION LIST

3

6

TIMER 

LAMP 

BLINKING

LD301 

BLINKING

CODE

MEANING

O

U

TD

OO

R

4 times

6 times

OH thermistor temperature rise

4 times

7 times

Abnormal outdoor thermistor

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

15 times

07

I

12

I

13

I

14

I

06

I

10

I

11

I

09

I

44  ttiim

meess

A

Abno

bnorm

rmaall  P

PW

WB

B  cciirrccuuiitt

1155

II

16 times

44  ttiim

meess

1156

II

High load stop

Summary of Contents for RAC-18WPD

Page 1: ...TECHNICAL CATALOGUE MONO SPLIT RAK 18RPD RAK 25RPD RAK 35RPD RAK 42RPD RAK 50RPD RAC 18WPD RAC 25WPD RAC 35WPD RAC 42WPD RAC 50WPD ...

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: ...____________________ 7 WIRING DIAGRAM _____________________________________________________________________ 7 1 RAK 18RPD 25RPD 35RPD 42RPD 50RPD 7 2 RAC 18WPD 25WPD 35WPD _____________________________________________________________ 7 3 RAC 42WPD 50WPD____________________________________________________________________ 8 REFRIGERANT CYCLE __________________________________________________________...

Page 4: ...09 4 39 1 09 4 22 1 09 5 61 1 09 6 52 1 09 6 35 1 09 7 39 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 3 8 1 4 3 8 1 4 3 8 Drain diameter ext mm φ 16 φ 16 φ 16 Remote control standard optional RAR 6N1 SPX RCDB RAR 6N1 SPX RCDB RAR 6N1 SPX RCDB Filter ACL Filter activated carbon activated carbon a...

Page 5: ...230V 220 230V Cable section interconnection mm 2 50x 3 EARTH 2 50x 3 EARTH Piping diameter Liq Gas Inch 1 4 1 2 1 4 1 2 Drain diameter ext mm φ 16 φ 16 Remote control standard optional RAR 6N1 SPX RCDB RAR 6N1 SPX RCDB Filter ACL Filter activated carbon activated carbon ACL part name SPX CFH25 SPX CFH25 Pre filter Standard Optional WASHABLE Stainless SPX SPF8 WASHABLE Stainless SPX SPF8 1 2 WALL T...

Page 6: ...ARTH 1 50x 3 EARTH Inch 1 4 3 8 1 4 3 8 1 4 3 8 m 3 3 3 m 20 10 20 10 20 10 kg 0 870 0 870 0 870 m g m 20 20 20 C R32 R32 R32 Propeller Fan Propeller Fan Propeller Fan Type ROTARY ROTARY ROTARY Oil Charge mL 320 20 320 20 320 20 Oil Type ACS 68R or equivalent ACS 68R or equivalent ACS 68R or equivalent Coil resistance Ω 2 167 at 20 2 167 at 20 2 167 at 20 Quantity 1 1 1 EER COP Nominal Cooling cap...

Page 7: ...2 m 3 3 m 20 10 20 10 kg 1 050 1 050 m g m 20 20 R32 R32 Propeller Fan Propeller Fan Type 2 Cylinder Rotary 2 Cylinder Rotary Oil Charge mL 480土20 480土20 Oil Type ACS 68R or equivalent ACS 68R or equivalent Coil resistance Ω 1 354 at 20 1 354 at 20 Quantity 1 1 EER COP Nominal Cooling capacity min max Nominal Heating capacity min max Nominal cooling power input min max Nominal heating power input ...

Page 8: ... 70 Narrow pipe ø6 35 Wide pipe ø9 52 RAK 18RPD 25RPD 35RPD Wide pipe ø12 7 RAK 42RPD 50RPD 73 47 47 5 60 280 5 0 6 203 273 284 284 2 1 WALL TYPE RAK 18RPD 25RPD 35RPD 42RPD 50RPD DIMENSIONAL DATA 6 2 DIMENSIONAL DATA ...

Page 9: ...AC 18WPD 25WPD 35WPD Handle Air Suction grill Air outlet Handle Rear side Holes for anchor bolt 2 ø12 x 6 slots for ø8 0 bolt for 2 ø8 0 bolt Notch for anchor bolt Fixing hole Drain hole Drain hole DIMENSIONAL DATA 7 ...

Page 10: ...Unit mm 600 345 299 202 163 5 589 92 59 792 877 55 57 190 147 12 11 Drain hole Drain hole Drain hole 2 3 WALL TYPE RAC 42WPD 50WPD DIMENSIONAL DATA 8 ...

Page 11: ... 348 2300 1998 406 2220 1921 423 2000 1862 465 1860 1824 490 24 0 32 2076 1681 252 2686 2180 297 2476 2014 352 2460 1998 406 2360 1921 427 2080 1901 478 1900 1882 507 INDOOR OUTDOOR TEMPERATURE CDW 21 27 32 35 40 43 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 16 1975 832 2350 900 2568 948 2549 894 2510 749...

Page 12: ...767 1798 533 3367 2397 633 3133 2236 755 3080 2202 875 2975 2130 913 2765 1984 979 2660 1912 1026 16 0 22 2767 1913 542 3600 2397 642 3333 2236 764 3290 2202 885 3185 2130 932 2975 1984 997 2870 1912 1035 18 0 25 2967 2051 550 3833 2604 650 3533 2420 773 3500 2396 894 3360 2299 932 3150 2154 1007 3010 2057 1045 19 0 27 3067 2120 558 3967 2743 658 3667 2535 782 3640 2517 903 3500 2420 941 3290 2275...

Page 13: ...8 834 4810 3397 990 4476 3169 1181 4400 3121 1368 4250 3018 1427 3950 2813 1530 3800 2710 1603 16 0 22 3952 2711 847 5143 3397 1003 4762 3169 1194 4700 3121 1383 4550 3018 1456 4250 2813 1559 4100 2710 1618 18 0 25 4238 2907 860 5476 3691 1016 5048 3430 1208 5000 3396 1397 4800 3259 1456 4500 3053 1574 4300 2916 1633 19 0 27 4381 3005 873 5667 3887 1029 5238 3593 1222 5200 3567 1412 5000 3430 1471...

Page 14: ...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 Vertical Distance ...

Page 15: ...Change Ratio Pipe length m Pipe length m Cooling Change Ratio Heating Change Ratio Pipe length m Pipe length m CAPACITIES TABLE 13 RAC 18WPD RAC 25WPD RAC 35WPD RAK 18RPD RAK 25RPD RAK 35RPD Models RAC 42WPD RAC 50WPD RAK 42RPD RAK 50RPD ...

Page 16: ...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 17: ...ve length Hz Sound Pressure Level dB Octave band main wave length Hz COOLING HEATING 4 1 RAC 18WPD 45 1 46 5 44 6 43 0 39 6 35 9 29 9 25 5 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 63 125 250 500 1000 2000 4000 8000 44 0 45 4 44 3 41 5 38 2 34 3 28 3 23 1 NC 15 NC 20 NC 25 NC 30 NC 35 NC 40 NC 45 NC 50 NC 55 NC 60 NC 65...

Page 18: ...gth Hz Sound Pressure Level dB Octave band main wave length Hz COOLING HEATING 4 2 RAC 25WPD 0 0 10 0 20 0 30 0 40 0 50 0 60 0 70 0 80 0 90 0 63 125 250 500 1000 2000 4000 8000 0 0 10 0 20 0 30 0 40 0 50 0 60 0 70 0 80 0 90 0 63 125 250 500 1000 2000 4000 8000 49 1 47 9 46 7 45 8 40 4 36 2 30 1 24 2 NC 15 NC 20 NC 25 NC 30 NC 35 NC 40 NC 45 NC 50 NC 55 NC 60 NC 65 NC 70 51 4 47 2 46 7 46 4 41 9 38...

Page 19: ...gth Hz Sound Pressure Level dB Octave band main wave length Hz COOLING HEATING 4 3 RAC 35WPD 0 0 10 0 20 0 30 0 40 0 50 0 60 0 70 0 80 0 90 0 63 125 250 500 1000 2000 4000 8000 0 0 10 0 20 0 30 0 40 0 50 0 60 0 70 0 80 0 90 0 63 125 250 500 1000 2000 4000 8000 49 6 46 0 44 7 43 6 40 0 35 8 28 9 21 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 52 0 48 3 46 9 44 7 42 0 37...

Page 20: ...gth Hz Sound Pressure Level dB Octave band main wave length Hz COOLING HEATING 4 4 RAC 42WPD 0 0 10 0 20 0 30 0 40 0 50 0 60 0 70 0 80 0 90 0 63 125 250 500 1000 2000 4000 8000 0 0 10 0 20 0 30 0 40 0 50 0 60 0 70 0 80 0 90 0 63 125 250 500 1000 2000 4000 8000 51 9 48 9 46 3 45 0 42 0 37 5 30 8 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 50 4 50 0 49 6 47 9 45 5 42...

Page 21: ...gth Hz Sound Pressure Level dB Octave band main wave length Hz COOLING HEATING 4 5 RAC 50WPD 0 0 10 0 20 0 30 0 40 0 50 0 60 0 70 0 80 0 90 0 63 125 250 500 1000 2000 4000 8000 50 4 48 8 47 2 45 4 41 2 38 0 31 3 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 SOUND DATA 19 0 0 10 0 20 0 30 0 40 0 50 0 60 0 70 0 80 0 90 0 63 125 250 500 1000 2000 4000 8000 53 1 51 3 50 ...

Page 22: ... indicated in the following table Cooling Heating working range min o max C o rated C o C working range min o max C o rated C o outdoor C 10 43 35 outdoor 15 21 7 indoor 16 43 27 indoor 16 26 20 30 20 10 0 10 20 30 40 50 5 10 15 20 25 30 35 40 45 50 Cooling working range 30 20 10 0 10 20 30 40 0 5 10 15 20 25 30 35 40 Heating working range Indoor Temperature Indoor Temperature Ambient Temperature ...

Page 23: ... 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 18RPD 230 1 50 3 15 C 2 46 H 2 93 C 4 39 H 4 22 0 67 30 RAK 25RPD 230 1 50 3 15 C 3 08 H 3 87 C 5 61 H 6 52 0 67 30 RAK 35RPD 230 1 50 3 15 C H 4 20 C H 7 39 0 67 30 RAK 42RPD 230 1 50 3 15 C 5 10 H 5 99 C 7 39 H 8 70 0 6...

Page 24: ...7 1 RAK 18RPD 25RPD 35RPD 42RPD 50RPD 22 WIRING DIAGRAM 7 WIRING DIAGRAM ...

Page 25: ...7 2 RAC 18WPD 25WPD 35WPD 23 WIRING DIAGRAM ...

Page 26: ...7 3 RAC 42WPD 50WPD 24 WIRING DIAGRAM ...

Page 27: ...RIGERANT CYCLE 8 1 WALL TYPE RAK 18RPD RAC 18WPD RAK 25RPD RAC 25WPD RAK 35RPD RAC 35WPD 8 2 WALL TYPE RAK 42RPD RAC 42WPD RAK 50RPD RAC 50WPD 25 REFRIGERANT CYCLE Silencer Silencer Silencer Silencer Silencer ...

Page 28: ...RAK 35RPD RAK 42RPD RAK 18RPD RAK 25RPD RAK 50RPD 26 CONTROL AND FUNCTION 9 CONTROL AND FUNCTION 9 1 WIRELESS REMOTE CONTROL FUNCTION REMOTE CONTROLLER TYPE RAR 6N1 ...

Page 29: ...n 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 button for about 10 seconds by directing the remote controller towards the i...

Page 30: ... startup of Automatic Operation also known as Auto Changeover function Intervals Duration 10 minutes 1 st interval 15 minutes 2 nd 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 and ON button release once Screen 1 appears Screen 1 Screen 2 3 Press the MODE button to display fan...

Page 31: ...FYING 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 will be display The cooling and dehumidifying ...

Page 32: ... START STOP button and Mon 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 repea...

Page 33: ...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 34: ...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 35: ...No 1 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 sele...

Page 36: ...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 37: ...t 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 Overload lower limit cut 01 03 04 I 02 I ...

Page 38: ...n 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 15 times 07 I 12 I 13 I 14 I 06 I 10 I 11 I 09 I 4 4 t ti im me es s A Abno bnorm rma al l P PW WB B c ci ir rc cu ui it t 1 15 5 I I 16 times 4 4 t ti im me es s 1 15 6 I I High load stop ...

Page 39: ...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 40: ...l 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 eart...

Page 41: ... 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 42: ...m equipment 1 Confirmation of RAC Adaptor Connection Confirm if the RAC adaptor connection is recognized in the control system equipments In case that it is not confirmed check the transmission cable refrigerant cycle indoor unit terminal resistance setting etc 2 3 Registration Confirm if the RAC adaptor connection is recognized Confirmation of RUN STOP Operation Confirm if the room air conditione...

Page 43: ...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 44: ...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 45: ...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 46: ...TC ERP Model 2018 01 INDOOR OUTDOOR RAC 18WPD RAC 25WPD RAC 35WPD RAC 42WPD RAC 50WPD RAK 18RPD RAK 25RPD RAK 35RPD RAK 42RPD RAK 50RPD ...

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