Hitachi RAC-25NXA1 Instruction Manual Download | Manualshive

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Summary of Contents for RAC-25NXA1

Page 1: ... 50NXA1 OUTDOOR UNIT FOR SINGLE SPLIT MODEL RAF 25NXA1 RAF 35NXA1 RAF 50NXA1 Instruction manual Page 1 22 To obtain the best performance and ensure years of trouble free use please read this instruction manualcompletely SPLIT TYPE AIR CONDITIONER RAC 50NXA1 INDOOR UNIT RAC 25NXA1 RAC 35NXA1 ...

Page 2: ...eaks around it Piping shall be suitable supported with a maximum spacing of 1m between the supports Please ensure smooth flow of water when installing the drain hose Make sure that a single phase 220V or 230V or 240V power source is used The use of other power sources may cause electrical components to overheat and lead to fire PRECAUTIONS DURING INSTALLATION PROHIBITION CONNECT EARTH LINE PROHIBI...

Page 3: ...n it 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 automatically for a long period of time water will condense on the air deflector and drips down occasionally This will wet your furniture Therefore do not operate under such condition for a long time If the amount of heat in the room is above the cooli...

Page 4: ...lter Front panel Signal receiver OUTDOOR UNIT FOR SINGLE SPLIT MODEL Remote controller OUTDOOR UNIT for single split model MODEL WIDTH HEIGHT DEPTH RAF 25NXA1 RAF 35NXA1 760mm 600mm 235mm RAF 50NXA1 INDOOR UNIT RAC 25NXA1 750mm 548mm 288mm RAC 35NXA1 750mm 548mm 288mm RAC 50NXA1 792mm 600mm 299mm RAC 25NXA1 RAC 35NXA1 RAC 50NXA1 ...

Page 5: ...ting operation For about 2 3 minutes after start up 2 During defrosting heating operation Defrosting will be performed about once an hour when frost forms on the heat exchanger of the outdoor unit for 5 10 minutes each time If the piping length used is longer than usual frost will likely to form TEMPORARY SWITCH Top left and right corners TEMPORARY SWITCH TEMPORARY SWITCH If the remote controller ...

Page 6: ...tor button during operation the device may stop for about 3 minutes for protection Signal emitting window transmission sign Point this window toward the indoor unit when controlling it The transmission sign blinks when a signal is sent Display This indicates the room temperature selected current time timer status function and intensity of circulation selected START STOP button Press this button to...

Page 7: ... determine the mode of operation HEAT or COOL depending on the current room temperature When AUTO is first selected the device will determine the current room temperature and select the proper operation mode accordingly When the air conditioner has adjusted the room s temperature to the near preset temperature it will begin to monitor operation If the room temperature subsequently changes the air ...

Page 8: ...ngs are stored in memory in the remote controller you only have to press the START STOP button next time Set the desired room temperature with the TEMPERATURE buttons the display indicates the setting The temperature setting and the actual room temperature may vary somewhat depending on conditions Press the START STOP button Heating operation starts with a beep Press the button again to stop opera...

Page 9: ...FUNCTION selector so that the display indicates DEHUMIDIFY Press the FAN SPEED button to select LOW and SILENT Press the START STOP button 1 Dehumidifying takes place with a target temperature which is slightly lower than the room temperature setting However target temperature is 16 C for a temperature setting of 16 C If the room temperature becomes lower than the target value operation stops If t...

Page 10: ... TEMPERATURE buttons the display indicates the setting The temperature setting and the actual room temperature may vary somewhat depending on conditions Press the START STOP button 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 lig...

Page 11: ...omatically change according to the temperature of discharged air As room temperature reaches the preset temperature a very light breeze will blow Operation starts in the HI mode to reach the preset temperature As room temperature approaches the preset temperature fan speed automatically switches to LOW Press the START STOP button Fan operation starts with a beep Press the button again to stop oper...

Page 12: ...Press the RESERVE button 3 Press the ON TIMER button so that the OFF mark lights and the ON mark blinks The device will turn on off and off on at the designated times The switching occurs first at the preset time that comes earlier The arrow mark appearing on the display indicates the sequence of switching operations How to Cancel Reservation Point the signal window of the remote controller toward...

Page 13: ...SERVED sign lights A beep occurs and the TIMER lamp lights on the indoor unit The timer may be used in three ways off timer on timer and ON OFF OFF ON timer Set the current time at first because it serves as a reference As the time settings are stored in memory in the remote controller you only have to press the RESERVE button is order to use the same settings next time Example The current time is...

Page 14: ...e timer information will be displayed on the remote controller The TIMER lamp lights with a beep from the indoor unit When the sleep timer has been set the display indicates the turn off time Example If you set 3 hours sleep time at 11 38 p m the turn off time is 2 38 a m Start Sleep timer The device will be turned off by the sleep timer and turned on by on timer 1 Set the ON timer 2 Press the SLE...

Page 15: ...Vertical When heating about 50 When cooling dehumidifying about 40 about 30 Adjustment of the conditioned air to the left and right Hold the vertical air deflector as shown in the figure and adjust the conditioned air to the left and right 2 If the AUTO SWING button is pressed once the horizontal air deflector swings up and down If the button is pressed again the deflector stops in its current pos...

Page 16: ...door and outdoor units Benzine thinner and scrub can damage plastic surfaces or coating Hot water above 40 C can shrink the filter and deform plastic parts 5 Do not block the air intake and air outlet Do not block the air outlets and intakes of the indoor and outdoor units with curtains or other obstacles which could degrade air conditioner performance and cause unit failure TEMPORARY SWITCH If th...

Page 17: ...e filters 4 CAUTION 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 And also use a soft sponge to wash Using a scrubber or brush cause the metal film on the surface to come off Don t operate the unit without filter Fault may occur if you continue Close...

Page 18: ...he front panel 3 CLEANING OF FRONT PANEL The front panel can be washed in water It can be kept clean at all times Front panel can be removed and washed in water Gently clean the front panel using a soft sponge When the air conditioner is to be cleaned without removing the front panel clean both the body and remote controller with a dry soft cloth Wipe off water completely If water remains on the d...

Page 19: ... filters remove the air filters and attach them onto the hooks of the front cover frame The cooling capacity is slightly weakened and the cooling speed becomes slower when the air cleansing filters are used So set the fan speed to HIGH when using it in this condition The air cleansing filters can be used for 2 years Air cleansing filters ...

Page 20: ...emote controller before starting manual operation and the buttons are released the indication of settings will go off in 10 seconds and only the operation mode will be displayed Pressing the button while the unit is in operation will let the protective circuit work so that the unit will not operate for approximately 3 minutes During heating operation the indoor unit s color indicator lamp may flas...

Page 21: ...ircuit breaker ON Is the setting of operation mode different from other indoor units When it does not operate When it does not cool well When it does not heat well The following phenomena do not indicate unit failure Operation start The unit is preparing to blow warm air Please wait In operation The outdoor unit is defrosting Please wait Hissing or fizzy sounds Refrigerant flow noise in the pipe o...

Page 22: ...ot stable Foreign matter or water accidentally enters the unit interior The power cord gets excessively hot or its insulation is torn or stripped TIMER lamp on the indoor unit display blinks As the nature of the failure can be identified by the blinking cycle check the blinking cycle before turning off the circuit breaker Please contact your sales agent immediately if the air conditioner still fai...

Page 23: ... 2 3 MEMO ...

Page 24: ... 3768 C ...

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