Hitachi RAC-S25YHAB Instruction Manual Download Page 39 | Manualshive

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Summary of Contents for RAC-S25YHAB

Page 1: ...IT Instruction manual Page 1 38 To obtain the best performance and ensure years of trouble free use please read this instruction manual completely OUTDOOR UNIT RAC S25YHAB RAC S35YHAB R32 RAS S25YHAB RAC S25YHAB RAS S35YHAB RAC S35YHAB RAS S25YHAB RAS S35YHAB ENGLISH 1 ...

Page 2: ... the unit Electric shock or fire may occur if you remove and reinstall the unit yourself improperly WARNING PRECAUTIONS DURING INSTALLATION PRECAUTIONS DURING SHIFTING OR MAINTENANCE OFF PROHIBITION Avoid an extended period of direct air flow for your health Do not connect the power calbe with an extension cable or do not plug too many leads of the other electric appliance into the socket where th...

Page 3: ...t is bad for the plants or animals Do not climb on the outdoor unit or put objects on it PROHIBITION PROHIBITION PROHIBITION DON T TOUCH DON T TOUCH When operating the unit with the door and windows opened the room humidity is always above 80 and with the air deflector facing down or moving automati cally for a long period of time water will condense on the air deflector and drips down occasionall...

Page 4: ...g on the ceiling install the bush and drain pipe on the drain port and drain water MODEL WIDTH mm HEIGHT mm DEPTH mm 780 280 230 7 2 RAC S25YHAB RAC S35YHAB Air outlet When heating operation is performed cool air blows and when cooling or dehumidifying operation is performed warm air blows Drain hose Drains the dehumidified water from the indoor unit to the outdoor during cooling or dehumidifying ...

Page 5: ...bi Air Cleaning Attach the to the C case by gently compress its both sides and release after insertion into filter frame The cooling capacity is slightly weakened and the cooling speed becomes slower when the and reusable up to 20 times by using vacuum cleaner or water rinse under running tap water When you want to renew it please ask your sales agent Optional air cleansing and deodorizing filters...

Page 6: ... the remote controller display begins to fade and degradation of reception performance occurs within a year replace both batteries with new size AAA LR03 alkaline 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 Never expose the remote contro...

Page 7: ...ss RESET button 2 Direct remote controller 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 When there is a power failure When breaker is OFF by user unit is not in STANDBY MODE NOTE Note on setting the calendar and clock If the calendar and clock are not set...

Page 8: ...essing any button the LCD will turn on The LCD will not turn off during TIMER setting 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 indicates the room temperature selected current time timer status function and airflow ra...

Page 9: ...this button to set the POWERFUL mode p 1 INFORMATION Button p 3 p 20 ON OFF TIMER setting Buttons p 22 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 cyclically SILENT Button Use this button to set the SILENT mode p 16 AUTO SWING Vertical Button Controls the angle of the horizontal air d...

Page 10: ...Timer mode is set As the settings are stored in the memory of the remote controller you only have to press the START STOP button next time Press the MODE selector button so that the display indicates the AUTO mode of operation 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 operatio...

Page 11: ...on again to stop operation As the settings are stored in the memory of the remote controller you only have to press the START STOP button next time During AUTO fan the fan speed automatically changes as below When the difference between room temperature and setting temperature is large fan starts to run at HI speed After room temperature reaches the preset temperature fan speed will be changed to ...

Page 12: ...erature with the ROOM TEMPERATURE setting buttons the display indicates the setting Press the START STOP button Dehumidifying operation starts with a beep Press the button again to stop operation As the settings are stored in the memory of the remote controller you only have to press the START STOP button next time START STOP Press the MODE selector button so that the display indicates DEHUMIDIFY ...

Page 13: ...the display indicates the setting AUTO HIGH MED SILENT LOW 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 Temperature range can be set between 16 C and 32 C Press the START STOP button Cooling operation starts with a beep Press the button again to stop operation...

Page 14: ...ng To cancel Horizontal Auto Swing Press AUTO SWING VERTICAL button The deflector s will start to swing up and down is displayed on the LCD Press AUTO SWING HORIZONTAL button The deflectors will start to swing right and left is displayed on the LCD Press AUTO SWING VERTICAL button again The deflector s will stop in the current position disappeared from the LCD Press AUTO SWING HORIZONTAL button ag...

Page 15: ...es with the previous settings used before POWERFUL operation Press the START STOP button Or Press POWERFUL button again POWERFUL operation stops disappears from the LCD 1 NOTE When SLEEP mode ECO mode SILENT mode or LEAVE HOME mode is selected POWERFUL operation is cancelled During POWERFUL operation capacity of the air conditioner will not increase if the air conditioner is already running at max...

Page 16: ...ss SILENT button again or FAN SPEED button Fan speed will return to previous fan speed before SILENT operation starts SILENT operation stops disappears from the LCD 1 NOTE When POWERFUL operation is selected SILENT operation is cancelled Fan speed will return to previous fan speed before SILENT operation After auto restart SILENT operation is cancelled Fan speed will return to previous fan speed b...

Page 17: ...ging the set temperature higher or lower automatically and reducing operation power consumption This function may vary based on the connected outdoor unit Press START STOP button Or Press ECO button again disappears from the LCD A beep sound is emitted from indoor unit NOTE ECO function will not be effective when power consumption is low By pressing POWERFUL button ECO operation is cancelled After...

Page 18: ...s the set temperature is automtatically shifted for energy saving If nobody is in the room for 60 minutes the set temperature is shifted further Cooling operation diagram representation for illustrative purpose only Heating operation diagram representation for illustrative purpose only Setting temperature Shift temperature Shift temperature 20 minutes 60 minutes Setting temperature Shift temperatu...

Page 19: ...cates 0 00 Press SEND button to confirm number of operation days Display for number of operation days will stop blinking Press CANCEL button to reset number of operation days or to have continuous operation To cancel LEAVE HOME operation Press START STOP button Or Press LEAVE HOME button again Return to previous operation mode Or Change to other operation mode by pressing MODE button NOTE After re...

Page 20: ...operation it will stop the Frost Wash operation If the interval of the Off to On timer is less than 2 hours Frost Wash operation may not be completed In that case it will restart Frost Wash operation at the next operation stop To be to normal Frost Wash Auto mode interval 42 hours please stop operation of air conditioner and operate Frost Wash Auto mode or Frost Wash Manual mode Frost Wash auto st...

Page 21: ...se for a long period it may not be possible to completely wash away the dust and dirt adhering to indoor heat exchanger It will cause odor so please conduct frequently Frost Wash function by using the remote controller Frost Wash operation does not wash away all dust and dirt If the air conditioner is continuously running Frost Wash function is not effective During Frost Wash operation if power is...

Page 22: ...e 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 and blink 4 Set the turn on time with TIME button 5 After setting direct the remote controller towards the indoor and press ...

Page 23: ...oor unit and the TIMER lamp on the indoor unit lights up Pressing SLEEP button repeatedly the number of hours will change as below During ECO SLEEP TIMER operation air conditioner will continue to operate for the designated number of hours and then turn off When the ECO SLEEP TIMER has been set the display on the remote controller indicates the turn off time Press START STOP button Room air condit...

Page 24: ... after setting ECO SLEEP TIMER set temperature will be slightly shifted Amount of temperature shifted depends on type of air conditioner These automatic operation changes contribute to energy saving without losing comfort The level of energy consumption depends on outside temperature room temperature set temperature or air conditioner type Cooling operation diagram representation for illustrative ...

Page 25: ...day Mon program no 1 ON OFF setting time and setting temperature blink on the display 3 Select the desired day of the week Press DAY button The day changes from Mon Tue Wed Thu Fri Sat Sun Mon Tue Wed Thu Fri Sat Sun Full days Mon Tue Wed Thu Fri weekday Sat Sun weekend Mon Tue Select Full days for daily reservation Select weekday for Monday to Friday reservation Select weekend for Saturday and Su...

Page 26: ...ompleted The reservation contents will appear on the remote controller display 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 CAUTION Do not press CANCEL button during reservation setting because this will result in all reservation contents to be lost The reservation contents will not stored in ...

Page 27: ...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 To activate back the setting of WEEKLY TIMER repeat the steps for How to select Mode A or Mode B of WEEKLY TIMER setting NOTE When setting ONCE TIMER operation of WEEKLY...

Page 28: ...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 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 Please ensure that the TIME...

Page 29: ...o 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 Please ensure that the TIMER lamp li...

Page 30: ...or unit will blink rapidly After beep sound emitted from indoor unit TIMER lamp will light up Please ensure that the TIMER lamp lights up Reservation will not change if SEND button is not pressed 1 1 2 NOTE If all reservations in the remote controller were deleted and pressed SEND button no signal will be transmitted to indoor unit TIMER lamp will remain off and no changes will be done to the rese...

Page 31: ...tton Wait for 2 seconds for signal transmission While temperature around remote controller is displayed press INFO button repeatedly The display will show as below thismonthpowerconsumptionamountforheating lastmonthpowerconsumption amount for heating this month power consumption amount for cooling last month power consumption amount for cooling temperature around remote controller this month power...

Page 32: ...l remain This indicates that COOLING and DEHUMIDIFYING mode operation is locked When pressing MODE button or will be displayed Method to unlock COOLING and DEHUMIDIFYING modes including FAN operations Press ECO and SILENT 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 mode ...

Page 33: ... filters push the front panel at three arrow portions as shown in figure and close it Do not wash with hot water at more than 40 C The filter may shrink When washing it shake off moisture completely and dry it in the shade do not expose it directly to the sun The filter may shrink Don t operate the unit without filter Fault may occur if you continue CAUTION Please clean the filter once about every...

Page 34: ...se short circuit Never use hot water above 40 C benzine gasoline acid thinner or a brush because they will damage the plastic surface and the coating 3 MAINTENANCE AT BEGINNING OF LONG OFF PERIOD Run the unit by setting the operation mode to FAN and the fan speed to HI for about half a day on a fine day and dry the whole of the unit Switch off the power plug or turn off the circuit breaker BENZINE...

Page 35: ...are used the preset room temperature may not be reached CAUTION Do not use a stove or any other high perature devices in proximity to the indoor unit PROHIBITION For the refrigerant charge information please refer to the outdoor unit installation manual or specification label REFRIGERANT INFORMATION 35 tem REGULAR INSPECTION PLEASE CHECK THE FOLLOWING POINTS EVERY EITHER HALFYEARLY ORYEARLY CONTAC...

Page 36: ...does not wash when outside temperature is less than about 1 degrees Celsius or It does not wash when the humidity in the room is about 30 or less or about 70 or more than 43 degrees Celsius more When FROST WASH is done by operating a remote controller it does not wash Does not change to non automatic FROST WASH Within 60 minutes after the end of FROST WASH FROST WASH is not operated for product pr...

Page 37: ...ration is stopped the microcomputer checks frost accumulated in the outdoor unit and instructs the unit to perform automatic defrosting if necessary Shows preheating or defrosting operation is underway As the protective circuit or preheat sensor operates when unit operation is stopped duringpreheatingandthenrestarted orwhenoperationmodeisswitchedfromcooling to heating the lamp continues to blink A...

Page 38: ...d by smoke foodstuffs cosmetics and so on sticks to it So please clean the air filter and the evaporator regularly to reduce the odor Please contact your sales agent immediately if the air conditioner still fails to operate normally after the above inspections Inform your agent of the model of your unit production number date of installation Please also inform him regarding the fault Please note O...

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