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CONTROL AND FUNCTION

23

9.6.

INTERMITTENT FAN SPEED SETTING

The intermittent fan control during thermo off in Heating Mode can be changed by the remote controller.

(This procedure should be done only by service personnel.)

It is possible to select from 3 patterns.

PROCEDURE

1. Press

[START/STOP] button,

[Mon-Sun] button and press

[RESET] button

simultaneously. Release

[RESET] button only and make sure that all marks on the remote controller display

are indicated, then release

[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

repeatedly

Continuous

NOTE :

(1) The indication of the selected intermittent pattern will disappear after 10 seconds.

(2) The selected intermittent pattern will remain unchanged after the unit is turned off.

Transmission sign lights up with beep from indoor unit simultaneously.

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Содержание RAC-25WXD

Страница 1: ...TECHNICAL CATALOGUE MONO SPLIT RAK 25RXD RAK 35RXD RAK 50RXD RAC 25WXD RAC 35WXD RAC 50WXD ...

Страница 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 ...

Страница 3: ..._________________ 17 RAK 25RXD RAK 35RXD RAK 50RXD ____________________________________________________ 17 RAC 25WXD RAC 35WXD RAC 50WXD ___________________________________________________ 18 REFRIGERANT CYCLE_________________________________________________________________ 19 WALL TYPE RAK 25RXD RAC 25WXD RAK 35RXD RAC 35WXD ______________________________ 19 WALL TYPE RAK 50RXD RAC 50WXD ________...

Страница 4: ...nt 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 6N1 SPX RCDB RAR 6N1 SPX RCDB RAR 6N1 SPX RCDB Filter ACL Filter Optional activated carb...

Страница 5: ...EARTH 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 ...

Страница 6: ...DIMENSIONAL DATA 4 2 DIMENSIONAL DATA 2 1 WALL TYPE RAK 25RXD 35RXD 50RXD 900 295 210 12 7 RAK 50RX 265 265 231 5 231 5 70 530 370 75 ...

Страница 7: ...DIMENSIONAL DATA 5 2 2 WALL TYPE RAC 25WXD 35WXD 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 ...

Страница 8: ...DIMENSIONAL DATA 6 2 3 WALL TYPE RAC 50WXD ...

Страница 9: ...600 1390 3543 1276 3400 992 3200 593 3350 653 3600 753 22 3216 1223 3466 1323 3620 1379 3566 1262 3426 977 3218 566 3368 624 3630 720 24 3232 1216 3482 1316 3640 1368 3589 1248 3451 962 3237 538 3385 595 3659 688 EWB EDB 10 C C TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI 12 0 18 1976 1679 273 2238 2238 324 2071 2066 382 2050 2057 443 1975 1966 462 1850 1853 495 1775 1763 ...

Страница 10: ...871 3150 2628 904 22 0 30 3400 2531 483 4400 3282 570 4067 3031 676 4025 3008 790 3885 2891 822 3500 2803 904 3255 2745 952 24 0 32 3633 2531 490 4700 3282 577 4333 3031 684 4305 3008 790 4130 2891 830 3640 2862 928 3325 2832 985 INDOOR OUTDOOR TEMPERATURE CDW 21 27 32 35 40 43 EWB EDB 10 C C TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI TC SHC PI 12 0 18 3952 2815 792 4476 3754 940 ...

Страница 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...

Страница 12: ... 10 Models RAK 25RXD RAC 25WXD RAK 35RXD RAC 35WXD Cooling Change Ratio Heating Change Ratio Pipe length m Pipe length m Models RAK 50RXD RAC 50WXD Cooling Change Ratio Heating Change Ratio Pipe length m Pipe length m ...

Страница 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...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 17: ... models RAC 25WXD RAC 35WXD RAC 50WXD 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...

Страница 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 25RXD 230 1 50 3 15 C 2 92 H 2 73 C 4...

Страница 19: ...WIRING DIAGRAM 17 7 WIRING DIAGRAM 7 1 RAK 25RXD RAK 35RXD RAK 50RXD ...

Страница 20: ...WIRING DIAGRAM 18 7 2 RAC 25WXD RAC 35WXD RAC 50WXD ...

Страница 21: ...REFRIGERANT CYCLE CYC19LE 8 REFRIGERANT CYCLE 8 1 WALL TYPE RAK 25RXD RAC 25WXD RAK 35RXD RAC 35WXD 8 2 WALL TYPE RAK 50RXD RAC 50WXD Silencer Silencer Silencer Silencer ...

Страница 22: ...Y 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 button for about 10 seconds by directing t...

Страница 23: ... 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...

Страница 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...

Страница 25: ... 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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 ...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 39: ...TC ERP Model 2018 02 INDOOR OUTDOOR RAC 25WXD RAC 35WXD RAC 50WXD RAK 25RXD RAK 35RXD RAK 50RXD ...

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