Hitachi RAC-18WSPA Instruction Manual Download Page 1

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ENGLISH

– 1 –

SPLIT TYPE AIR CONDITIONER

INDOOR UNIT/OUTDOOR UNIT

MODEL

RAK-18PSPA/RAC-18WSPA

RAK-35PSPA/RAC-35WSPA

RAK-25PSPA/RAC-25WSPA

OUTDOOR UNIT

INDOOR UNIT

REMOTE CONTROLLER

RAK-18PSPA

RAK-25PSPA

RAK-35PSPA

RAC-18WSPA

RAC-25WSPA

RAC-35WSPA

Instruction manual

Page

1~10

To obtain the best performance and ensure years of
trouble free use, please read this instruction manual
completely.

Summary of Contents for RAC-18WSPA

Page 1: ...K 35PSPA RAC 35WSPA RAK 25PSPA RAC 25WSPA OUTDOOR UNIT INDOOR UNIT REMOTE CONTROLLER RAK 18PSPA RAK 25PSPA RAK 35PSPA RAC 18WSPA RAC 25WSPA RAC 35WSPA Instruction manual Page 1 10 To obtain the best performance and ensure years of trouble free use please read this instruction manual completely ...

Page 2: ...ViX ÃgZ ÄVbbVWaZ Vh aZV h VgdjcY i E e c h Vaa WZ hj iVWaZ hjeedgiZY l i V bVm bjb heVX c d b WZilZZc i Z hjeedgih EaZVhZ ZchjgZ hbddi adl d lViZg l Zc chiVaa c i Z YgV c dhZ Vcn failure is found in the drain path water drops from the indoor and outdoor units causing wet household effects BV Z hjgZ i Vi V h c aZ e VhZ K edlZg hdjgXZ h jhZY The use of other power sources may cause electrical compon...

Page 3: ...9d cdi eaVXZ eaVcih dg Vc bVah Y gZXian jcYZg i Z V g Ädl Vh i h WVY dg i Z plants or animals PROHIBITION PROHIBITION 9d cdi Xa bW dc i Z djiYddg jc i dg eji dW_ZXih dc i L Zc deZgVi c i Z jc i l i i Z Yddg VcY l cYdlh deZcZY i Z gddb jb Y in h ValVnh VWdkZ VcY l i i Z V g YZ aZXidg VX c Ydlc dg moving automatically for a long period of time water will condense on the air YZÄZXidg VcY Yg eh Ydlc d...

Page 4: ...tion of the side Drain hose 9gV ch i Z YZ jb Y ZY lViZg gdb i Z cYddg jc i id i Z djiYddg Yjg c Xdda c dg YZ jb Y n c deZgVi dc Piping and Wiring Air inlets Rear and left sides Horizontal deﬂector Vertical deﬂector Air Outlet RAC 18WSPA RAC 25WSPA RAC 35WSPA About the outdoor unit L Zc Hide h hZaZXiZY Yjg c operation of the indoor unit the fan of the outdoor unit continues turning for 10 id hZXdcY...

Page 5: ... djiYddg jc i dg b cjiZh ZVX time TEMPORARY SWITCH JhZ i h hl iX id hiVgi VcY hide l Zc i Z remote controller does not work This temporary operation will be at the most gZXZci hZii c bVYZ I Z jc i l aa bbZY ViZan go into automatic operation once power is hl iX ZY dc TEMPORARY SWITCH CAUTION Turn off the circuit breaker or pull out the power plug if the unit is not be operated for a long period ƿ I...

Page 6: ... display begins to fade and degradation of reception performance occurs within a year replace both batteries with new size AAA LR03 alkaline z The attached batteries are provided for the initial use of the system The usable period of the batteries may be short depending on the manufactured date of the air conditioner Notes on the remote controller z Never expose the remote controller to direct sun...

Page 7: ...Direct remote control towards indoor unit and press INFO button 3 The calendar and clock from indoor unit will be transmitted Calendar and clock will not be transmitted from indoor unit when the following occurs z When there is a power failure z When breaker is OFF by user unit is not in STANDBY MODE NOTE Note on setting the calendar and clock z If the calendar and clock are not set the ON timer O...

Page 8: ...rn on z The LCD will not turn off during TIMER setting NAMES AND FUNCTIONS OF REMOTE CONTROLLER Signal Transmitting Receiving Window Point this window towards the indoor unit when controlling it Sensor A temperature sensor inside the remote controller senses ambient temperature around the remote controller Display This indicate the room themperature selected current time timer status function and ...

Page 9: ...utton Use this button to set the POWERFUL mode f p 12 INFORMATION Button f p 26 ONE TOUCH CLEAN Button f p 16 LEAVE HOME Button f p 15 SLEEP TIMER Button Use this button to set the sleep timer f p 18 ON OFF TIMER setting Buttons f p 17 MODE selector Button Use this button to select the operating mode Every time you press this button the mode will change from AUTO HEAT DEHUMIDIFY COOL and FAN cycli...

Page 10: ...e is set VARIOUS FUNCTIONS AUTOMATIC OPERATION 1 3 2 AUTO HIGH MED LOW SILENT START STOP Press the MODE selector button so that the display indicates the AUTO mode of operation z When AUTO has been selected the device will automatically determine the mode of operation HEAT or COOL depending on the current room temperature However the mode of operation will not change when indoor unit is connected ...

Page 11: ...bove 20 C START STOP AUTO HIGH MED LOW SILENT Press the MODE selector button so that the display indicates HEAT Set the desired FAN SPEED with the FAN SPEED button the display indicates the setting Set the desired room temperature with the TEMPERATURE buttons the display indicates the setting The temperature setting and the actual room temperature may vary depending on conditions Press the START S...

Page 12: ...preset room temperature may not be reached depending on the number of people present in the room or other room conditions START STOP Press the MODE selector button so that the display indicates DEHUMIDIFY The fan speed is set at LOW Press FAN SPEED button to select SILENT or LOW fan speed Set the desired room temperature with the ROOM TEMPERATURE setting buttons the display indicates the setting T...

Page 13: ...ton Cooling operation starts with a beep Press the button again to stop operation The cooling function does not start if the temperature setting is higher than the current room temperature even though the OPERATION lamp lights The cooling function will start as soon as user set the temperature below the current room temperature As the settings are stored in the memory of the remote controller you ...

Page 14: ... STOP AUTO HIGH MED LOW SILENT Press the MODE selector so that the display indicates FAN Set the desired FAN SPEED with the FAN SPEED button the display indicates the setting Press the START STOP button Fan operation starts with a beep Press the button again to stop operation ...

Page 15: ...swing up and down is displayed on the LCD To cancel Vertical Auto Swing z Press AUTO SWING VERTICAL button again The deﬂector s will stop in the current position disappeared from the LCD NOTE z During cooling and dehumidifying operation do not keep the deﬂectors swinging or in the lower position in the case of vertical auto swing for a long time It may cause dew condensation on the deﬂectors When ...

Page 16: ...ion NOTE z When SLEEP mode ECO mode SILENT mode or LEAVE HOME mode is selected POWERFUL operation is cancelled z During POWERFUL operation capacity of the air conditioner will not increase if the air conditioner is already running at maximum capacity just before defrost operation when the air conditioner is running in HEATING operation z After auto restart POWERFUL operation is cancelled and previ...

Page 17: ...eration is cancelled Fan speed will return to previous fan speed before SILENT operation z During any operation with fan speed SILENT if press SILENT button fan speed will not change z Press SILENT button during operation is displayed on the LCD Fan speed will be ultra slow To start SILENT operation To cancel SILENT operation z Press START STOP button Or z Press SILENT button again or FAN SPEED bu...

Page 18: ... start by changing set temperature higher or lower automatically However effectiveness of ECO depends on operation conditions z By pressing the ECO button during AUTO HEATING DEHUMIDIFYING or COOLING operation the air conditioner performs the ECO operation To start ECO operation To cancel ECO operation z Press ECO button during operation is displayed on the LCD Energy saving operation will start b...

Page 19: ... Leave Home or by pressing the Leave Home button again othe unit will operate in previous mode z During Leave Home operation fan speed and horizontal air deﬂector position cannot be changed z By pressing Leave Home button implementation of Weekly Timer or One Timer only Timer is cancelled z In case of power supply shut down after autorestart all setting for number of days operation will be reset a...

Page 20: ...E z When CLEAN operation ﬁnish unit will switch OFF automatically z If Weekly Timer or Once Timer is set there is a need to cancel those timer before operating CLEAN function z For multi connections when pressing CLEAN button operation is limited to FAN operation z For multi connections when one room operates CLEAN operation ﬁrst other rooms can operate COOLING DEHUMIDIFYING or FAN operation Howev...

Page 21: ...e switching occurs ﬁrst at the preset time that comes earlier z The arrow mark appears on the display to indicate the sequence of switching operations 1 Press OFF TIMER button so that and blink on the display 2 Set the turn off time with TIME button After setting direct the remote controller towards the indoor and press SEND button 3 Press ON TIMER button so that and set turn off time light up The...

Page 22: ... SLEEP button repeatedly the number of hours will change as below 1 H 2 H 3 H 7 H SLEEP TIMER off z During ECO SLEEP TIMER operation air conditioner will continue to operate for the designated number of hours and then turn off z When the ECO SLEEP TIMER has been set the display on the remote controller indicates the turn off time Example If ECO SLEEP TIMER is set for 1 hour at 18 00 the switch off...

Page 23: ... and the TIMER lamp on the indoor unit turns off z ECO SLEEP TIMER and ON TIMER reservations are cancelled 30 minutes after setting ECO SLEEP TIMER outdoor fan speed will be reduced to lower the noise level and to have comfort operation 1 hour after setting ECO SLEEP TIMER set temperature will be slightly shifted Amount of temperature shifted depends on type of air conditioner These automatic oper...

Page 24: ... WEEKLY TIMER 1 Select Mode A or Mode B Press WEEKLY button WEEKLY lights up and blink on the display Mode A is selected Press WEEKLY button again and blink on the display Mode B is selected z If no reservation has been made ON OFF appear z If reservation has been made ON OFF will not appear 2 Set a program Press WEEKLY button for about 3 seconds The selection mode can be changed day Mon program n...

Page 25: ... and Timer function has been completed The reservation contents will appear on the remote controller display z If TIMER lamp on the indoor unit does not light up press SEND button while directing the remote controller towards the indoor unit for about 3 seconds z CAUTION Do not press CANCEL button during reservation setting because this will result in all reservation contents to be lost z The rese...

Page 26: ... TIMER have been conﬁrmed Setting non active WEEKLY TIMER 1 Direct the remote controller towards the indoor unit and press CANCEL button Beep sound will be emitted from indoor unit and TIMER lamp will be OFF Reservation indication on remote display will also disappear This indicates that non active WEEKLY TIMER has been conﬁrmed z To activate back the setting of WEEKLY TIMER repeat the steps for H...

Page 27: ...ks on the display Press CANCEL button to cancel the COPY mode Normal setting mode is activated 5 Press DAY button to select a day of the week to paste 6 Press COPY PASTE button one more time to paste only blinks on the display 7 To continue copying to other days press or or or Then start from step 3 8 After copy and paste completed press SEND button while directing the remote controller towards th...

Page 28: ...a day of the week to edit 4 Press to select program number Selected program number will blink 5 Press DELETE button Reservation of selected program number is deleted 6 After deleting press SEND button while directing the remote controller towards the indoor unit for about 3 seconds Timer lamp on the indoor unit will blink rapidly After beep sound emitted from indoor unit TIMER lamp will light up P...

Page 29: ...t 3 seconds Timer lamp on the indoor unit will blink rapidly After beep sound emitted from indoor unit TIMER lamp will light up Please ensure that the TIMER lamp lights up z Reservation will not change if SEND button is not pressed Delete Mode A or Mode B 1 Press WEEKLY button to select Mode A or Mode B 2 Direct the remote controller towards the indoor unit and press DELETE button for about 10 sec...

Page 30: ...ress INFO button repeatedly The display will show as below this month power consumption amount for heating last month power consumption for heating this month power consumption amount for cooling last month power consumption amount for cooling temperature around remote control this month power consumption amount for heating cyclically z If indication is not given bring remote controller closer to ...

Page 31: ...layed for about 10 seconds Later and will remain This indicates that HEATING mode operation is locked When preessing MODE button or will be displayed Method to unlock HEATING mode including FAN operation Press ECO and POWERFUL buttons simultaneously for about 5 seconds when the remote controller is OFF All operation mode symbols will appear on the display for about 10 seconds After that operation ...

Page 32: ...aiZg dcXZ VWdji ZkZgn ild lZZ h 7n Yd c hd i Z edlZg gViZh VgZ hVkZY c XVhZ i Z V g ÃaiZg h jaa d Yjhi i Z V g Ädl l aa YZXgZVhZ VcY i Z Xdda c XVeVX in l aa WZ gZYjXZY jgi Zg cd hZ bVn dXXjg 7Z hjgZ id XaZVc i Z ÃaiZg daadl c i Z egdXZYjgZ WZadl EGD8 9JG 1 DeZc i Z gdci eVcZa XVgZ jaan VcY gZbdkZ i Z ÃaiZg 2 KVXjjb Yjhi gdb i Z V g aiZg jh c kVXjjb cleaner If there is too much dust wash the filte...

Page 33: ...dicators or signal receiver of indoor unit it causes trouble Method of removing the front panel 7Z hjgZ id daY i Z gdci eVcZa l i Wdi VcYh id detach and attach it GZbdk c i Z gdci EVcZa 6iiVX c i Z gdci EVcZa 2 1 H V i daZ L Zc i Z gdci eVcZa h jaan deZcZY l i both hands push the right arm to the inside to release it and while closing the front panel slightly put it out forward 2 1 H V i daZ BdkZ ...

Page 34: ...Zg dgbVcXZ CAUTION 9d cdi jhZ V hidkZ or any other high temperature devices c egdm b in id i Z indoor unit PROHIBITION I Z V g XdcY i dcZg h YZh cZY id ZVi Vc Zci gZ gddb hd i Vi i bVn iV Z hdbZ i bZ WZ dgZ ndj feel warm Timer operation is recommended for effective preheating ahead of the desired time Cooling and Dehumidifying Capabilities i Z ZVi egZhZci c V gddb ZmXZZYh i Z jc i h Xdda c XVeVX i...

Page 35: ...Vc 9d i Z WViiZg Zh cZZY gZeaVXZbZci4 h i Z edaVg in d i Z chZgiZY WViiZg Zh XdggZXi4 L Zc i YdZh cdi deZgViZ h i Z jhZ Vaa g i4 h i Z kdaiV Z ZmigZbZan dg adl4 h i Z X gXj i WgZV Zg DC 4 h i Z edlZg eaj chZgiZY4 9d ndj VkZ Vcn edlZg Xji4 L Zc i YdZh cdi Xdda lZaa L Zc i YdZh cdi ZVi lZaa h i Z V g ÃaiZg WadX ZY l i Yjhi4 h i Z hZi iZbeZgVijgZ hj iVWaZ4 VkZ dg odciVa V g YZ aZXidgh WZZc VY_jhiZY i...

Page 36: ...aZVhZ XdciVXi ndjg hVaZh V Zci bbZY ViZan i Z V g XdcY i dcZg hi aa V ah id deZgViZ cdgbVaan V iZg the above inspections Inform your agent of the model of your unit production number date of installation Please also inform him regarding the fault EaZVhZ cdiZ Dc hl iX c dc i Z Zfj ebZci eVgi XjaVgan l Zc i Z gddb a i h Y bbZY V ha i Wg icZhh fluctuation may occur This is of no consequence I Z XdcY ...

Page 37: ...ENGLISH 11 MEMO ...

Page 38: ... 12 10031C ...

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