Hitachi RAD25QH4 Instruction Manual Download

Page: 1 / 29

SPLIT TYPE AIR CONDITIONER

INDOOR UNITS/OUTDOOR UNIT

RAD25QH4
RAD40QH4

ûCH

RAF25NH4
RAF50NH4

RAM70QH4
RAM80QH4

RAM70QH4

(MULTIZONE 70H)

RAM80QH4

(MULTIZONE 80H)

RAF25NH4
RAF50NH4
RAD25QH4
RAD40QH4

Summary of Contents for RAD25QH4

Page 1: ...SPLIT TYPE AIR CONDITIONER INDOOR UNITS OUTDOOR UNIT RAD25QH4 RAD40QH4 û CH RAF25NH4 RAF50NH4 RAM70QH4 RAM80QH4 RAM70QH4 MULTIZONE 70H RAM80QH4 MULTIZONE 80H RAF25NH4 RAF50NH4 RAD25QH4 RAD40QH4 ...

Page 2: ... 0 1 0 2 34 5 16 17 1778 80 6 9 78 16 17 16 17 0 8 16 17 16 17 16 17 1 1 ...

Page 3: ... 9 78 8 A B 16 17 17C 8 16 17 16 17 16 17 17 1A 6 1 16 17 16 17 16 17 16 17 16 17 1 9B1 8 58 8 0A 17 ...

Page 4: ...he indoor unit which is switched on first continues to operate but other indoor units which is switched on later does not operate while the lamp lights To restart an indoor unit which was operated later stop the indoor unit which was operated first or later and reset the type of operation then perform operation again Decrease the number of indoor units to be operated especially when it is very hot...

Page 5: ...work Normally do not use this button HOT KEEP lamp This lamp lights in the following cases during heating While this is lit heated air will not come out of the indoor unit 1 During preheating For about 2 3 minutes after start up 2 During defrosting 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 TIMER lamp This l...

Page 6: ...was operated later stop the indoor unit which was operated first or later and reset the type of operation then perform operation again Decrease the number of indoor units to be operated especially when it is very hot or very cold or when you want to reach the preset temperature quickly When an indoor unit is operated in the cooling heating or dehumidifying mode in one room the sound of refrigerant...

Page 7: ...r will automatically be directed only from the top side air outlet When it is desirable to direct cold air from the bottom side air outlet for a longer period of time set the temperature at 16 C and fan speed at HI When the room temperature is more than 8 C above the preset temperature 16 C cold air will continuously blow from the bottom side air outlet DEHUMIDIFYING OPERATION For more efficient d...

Page 8: ...ON selector button during operation the device may Point this window toward the indoor unit when controlling it The transmission sign blinks when a signal is sent This indicates the room temperature selected current time timer status function and intensity of circulation selected Press this button to start operation Press it again to stop operation Use this button to set the sleep timer Use these ...

Page 9: ...pending on the initial room temperature The selected mode of operation will change when the room temperature varies Press the FAN SPEED button AUTO and LOW is available Press the START STOP button Operation starts with a beep Press the button again to stop operation As the settings are stored in memory in the remote controller you only have to press the START STOP button next time You can raise or...

Page 10: ... START STOP button next time Set the desired FAN SPEED with the FAN SPEED button the display indicates the setting AUTO The fan speed changes automatically according to the temperature of the air which blows out HI Economical as the room will become warm quickly But you may feel a chill at the beginning MED Quiet LOW More quiet Set the desired room temperature with the TEMPERATURE buttons the disp...

Page 11: ...The FAN SPEED is set at LOW automatically The FAN SPEED button does not work Press the START STOP button When the room temperature is higher than the temperature setting The device will dehumidify the room reducing the room temperature to the preset level When the room temperature is lower than the temperature setting Dehumidifying will be performed with the room temperature set slightly lower tha...

Page 12: ...ature 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 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 OPER...

Page 13: ...emperature of discharged air As room temperature reaches the preset temperature a very light breeze will blow Operation starts in the ÒHIÓ mode to reach the preset temperature As room temperature approaches the preset temperature fan speed automatically switches to ÒLOWÓ Press the START STOP button Fan operation starts with a beep Press the button again to stop operation Press the FAN SPEED button...

Page 14: ...ge the batteries You can set the device to turn off at the present time Time Day Month 1 Press the ON TIMER button The ON mark blinks on the display The device will turn on at the designated times 1 Press the ON OFF button so that the OFF mark blinks 2 Set the turn off time with the TIMER control button Press the RESERVE button 3 Press the ON TIMER button so that the OFF mark lights and the ON mar...

Page 15: ... at 7 00 a m The settings of the turn on off time are now complete 5 Point the signal window of the remote controller toward the indoor unit and press the RESERVE button The ON mark starts lighting instead of flashing and the RESERVED sign lights A beep occurs and the TIMER lamp lights on the indoor unit 2 Set the TIME button Example The current time is 1 30p m The time indication will disappear a...

Page 16: ...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 H AM SLEEP 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 SLEEP button and set the sleep timer For heating In this case the device will turn off in 2 hours at 1 38 a m and i...

Page 17: ...pressed again the deflector stops in its current position Use the horizontal air deflector within the adjusting range shown on the right When the auto swing operation is performed if the horizontal air deflector is moved manually the swing range may drift However it will return to the original operation range after a short time 2 FULL DUCT SEMI DUCT As shown in the diagram perform by holding the h...

Page 18: ...ce again TEMPORARY SWITCH CIRCUIT BREAKER When you do not use the room air conditioner set the circuit breaker to ÒOFFÓ HOW TO USE THE AIR CONDITIONER EFFECTIVELY 1 Anaverageroomtemperaturesettingisprobablythebestforyouaswellasbeing economical Excessive cooling or heating is not recommended for health reasons High electricity bills may also result Close the curtains or blinds to prevent heat from ...

Page 19: ...2 CLEANING OF SUCTION GRILLE Wipe it with a soft dry cloth When it is excessively dirty wipe with soft cloth soaked in lukewarm water or neutral detergent Then wipe thoroughly with a soft dry cloth CAUTION Never clean with hot water above 40 C benzine gasoline acid thinner or a brush because it will damage the plastic surface and the coating 3 MAINTENANCE AT BEGINNING OF LONG OFF PERIOD Running th...

Page 20: ... fan speed room temperature are set with the remote 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 If you feel cold wind duri...

Page 21: ...ration is stopped the horizontal air deflector moves and stops at the position where the air outlet closes Whentheautoswingoperationisperformed if the horizontal air deflector is moved manually the swinging range may drift However it will return to the original operation range after a short time Adjustment of the conditioned air to the left and right Holdtheverticalairdeflectorasshowninthefigure a...

Page 22: ...40 C can shrink the filter and deform plastic parts A 0 56 B 08 4 4 0 B 4 206 0 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 If the remote controller does not work due to battery failure press this switch to start and stop operation This temporary operation will be at...

Page 23: ... up 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 DonÕt operate the unit without filter Fault may occur if you continue To close the front panel press the two Ò Ó sections below PUSH at the top left and right corners of the front panel Press the uppe...

Page 24: ...ole of the protrusion inside the right section of the front panel Air blow Resin band Hook Front cover Front panel Resin band 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...

Page 25: ... the air cleansing and deodorizing 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 and deodorizing filters are used So set the fan speed to ÒHIGHÓ when using it in this condition The air cleansing and deodorizing filters is washable and reusable up to 20 time...

Page 26: ...er 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 unitÕs color indicator lamp may flash with no air ...

Page 27: ...t 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 or valve sound generated when flow rate is adjusted Squeaking noise Noise generated when the unit expands or contracts due to temperature change...

Page 28: ...n the refrigerating cycle 2 Slightrubbingnoisefromthefancasingwhichiscooledandthengradually warmed as operation stops The odor will possibly be emitted from the room air conditioner because the variousodor emittedbysmoke foodstuffs cosmeticsandsoon stickstoit So please clean the air filter and the evaporator regularly to reduce the odor Steam emitted from the outdoor unit Water generated during de...

Page 29: ...47 Milano Italia ITALY Tel 39 02 487861 Tel 39 02 38073415 Servizio Clienti Fax 39 02 48786381 2 Email customerservice italy hitachi eu com HITACHI Europe AB Box 77 S 164 94 Kista SWEDEN Tel 46 0 8 562 711 00 Fax 46 0 8 562 711 13 Email csgswe hitachi eu com HITACHI EUROPE S A S Lyon Office B P 45 69671 BRON CEDEX FRANCE Tel 04 72 14 29 70 Fax 04 72 14 29 99 Email france consommateur hitachi eu co...

Search results

Summary of Contents for RAD25QH4

Reviews:

Related manuals for RAD25QH4

Brands by name

Popular brands

Hitachi RAD25QH4, Instruction Manual

Search results

Summary of Contents for RAD25QH4

Reviews:

Related manuals for RAD25QH4

Brands by name

Popular brands