Hitachi RAS-25YHA / RAC-25YHA RAS-35YHA / RAC-35YHA INDOOR UNIT manual

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A good user manual

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Table of contents for the manual

  • Page 1

    MODEL RAS-25YHA / RA C-25YHA RAS-35YHA / RA C-35YHA INDOOR UNIT Instruction manual T o obtain the best performance and ensure years of trouble free use , please read this instruction manual completely . OUTDOOR UNIT INDOOR UNIT/OUTDOOR UNIT RAS-25YHA RAS-35YHA RA C-25YHA RA C-35YHA SPLIT TYPE AIR CONDITIONER[...]

  • Page 2

    – 2 – W ARNING SAFETY PRECA UTION • Please read the “Saf ety Precaution” carefully bef ore operating the unit to ensure correct usage of the unit. • P ay special attention to signs of “ W arning ” and “ Caution ”. The “W ar ning” section contains matters which, if not obser ved strictly , ma y cause death or serious injury .[...]

  • Page 3

    – 3 – ENGLISH DEUTSCH FRANÇAIS IT ALIANO SP ANISH POR TUGUÊS ∂ÏÏËÓÈο Р УССКИЙ PRECA UTIONS DURING OPERA TION CA UTION • Indoor unit cleaning must be performed by author iz ed personnel only . Consult your sales agent. Using a commercially a vailab le detergent or similar can damage the plastic par ts or clog the drain pipe [...]

  • Page 4

    – 4 – N AM ES A ND FUNC TIONS OF E A CH P A R T INDOOR UNIT MODEL NAME AND DIMENSIONS MODEL WIDTH (mm) HEIGHT (mm) DEPTH (mm) RAS-25YHA, RAS-35YHA 780 280 215 RA C-25YHA, RA C-35YHA 750 548 288 Air filter T o prevent du st from com ing into the ind oor unit. (Refer p age 1 6 ) F ront panel Indoor unit indicators Light in dicator s howing the o[...]

  • Page 5

    – 5 – ENGLISH DEUTSCH FRANÇAIS IT ALIANO SP ANISH POR TUGUÊS ∂ÏÏËÓÈο Р УССКИЙ N AM ES A ND FUNC TIONS OF E A CH P A R T INDOOR UN IT INDI C A TORS CA UTION FIL TER LAMP (Green) When the de vice is operated for a total of about 200 hours, the FIL TER lamp lights indicates that it is time to clean the filter .The lamp goes out[...]

  • Page 6

    – 6 – A UTO HEA T DEHUMIDIFY COOL F AN F AN SPEED LOW MED HI SLEEPING ST OP (CANCEL) ST ART (RESER VE) ST ART/ST OP TIME TIMER SET TIMER SELECT OR ON TIMER OFF TIMER A UTO SWING NAMES AND FUNCTIONS OF EACH P AR T REMO TE CONTROLLER • This controls the operation of the indoor unit. The range of control is about 7 meters. If indoor lighting is [...]

  • Page 7

    – 7 – ENGLISH DEUTSCH FRANÇAIS IT ALIANO SP ANISH POR TUGUÊS ∂ÏÏËÓÈο Р УССКИЙ V ARIOUS FUNCTIONS Auto Restart Control AUTOMA TIC OPERA TION The device will autom ati cally dete rmin e the mode of operation , HEA T or COOL dependin g on the initi al room te mpera tur e . The sele cted m ode of op eration w ill change w hen the[...]

  • Page 8

    – 8 – Set the desire d F AN SPE ED w ith the (F AN SPE ED) but ton (the disp lay indicates t he set ting). (A UT O ) : The fan spe ed chan ges automatic ally acco rding to the temp erature of the air w hich blow s out. (HI ) : Ec o n o m i c a l a s t h e r o o m w i l l b e c o m e wa r m quic kly . But you may feel a chil l at the beg inning.[...]

  • Page 9

    – 9 – ENGLISH DEUTSCH FRANÇAIS IT ALIANO SP ANISH POR TUGUÊS ∂ÏÏËÓÈο Р УССКИЙ DEHUMIDIFYING OPERA TION Use the de vice f or dehumidifying when the room temperature is ov er 16°C . When it is under 15°C , the dehumidifying function will not work. When you w ant to change the operation mode , please use the FUNCTION selector [...]

  • Page 10

    – 10 – Set the desired F AN SPEED with the (F AN SPEED) button (the displa y indicates the setting). (A UT O) : The F AN SPEED is HI at first and v aries to MED automatically when the preset temperature has been reached. ( H I ) : Economical as the room will become cool quickly . (MED) : Quiet. (LO W) : More quiet. Press the FUNCTION selector [...]

  • Page 11

    – 11 – ENGLISH DEUTSCH FRANÇAIS IT ALIANO SP ANISH POR TUGUÊS ∂ÏÏËÓÈο Р УССКИЙ F AN OPERA TION Y ou can use the de vice simply as an air circulator . Use this function to dry the inter ior of the indoor unit at the end of summer . F AN SPEED (A UT O) … When the A UT O f an speed mode is set in the cooling/heating operation:[...]

  • Page 12

    – 12 – Stop Star t HOW TO SET THE TIMER TIME, D A Y , MONTH (current time, da y , month) OFF TIMER ON TIMER RESER VE CANCEL 1 Set the current month and da y with the TIMER control button. 1 Press the (OFF-TIMER) b ut- ton. The (O FF) ma rk blin ks on the displa y . After you change the batteries; Y ou can set the de vice to turn off at the pres[...]

  • Page 13

    – 13 – ENGLISH DEUTSCH FRANÇAIS IT ALIANO SP ANISH POR TUGUÊS ∂ÏÏËÓÈο Р УССКИЙ 3 P oint the signal window of the remote controller to ward the indoor unit, and press the (RESER VE) b utton. The (ON) mark star ts lighting instead of flashing and the (RESER VED) sign lights. A beep occurs and the (TIMER) lamp lights on the ind[...]

  • Page 14

    – 14 – HOW TO SET THE SLEEP TIMER SLEEP How to Cancel Reserv ation P oint the signal window of the remote controller to ward the indoor unit, and press the (CANCEL) button. The (RESER VED) sign goes out with a beep and the (TIMER) lamp tur ns off on the indoor unit. Sleep Timer: The de vice will continue w orking f or the desired number of hour[...]

  • Page 15

    – 15 – ENGLISH DEUTSCH FRANÇAIS IT ALIANO SP ANISH POR TUGUÊS ∂ÏÏËÓÈο Р УССКИЙ ADJUSTING THE AIR DEFLECTORS Adjustment of the conditioned air in the upward and downw ard directions. The horizontal air deflector is automatically set to the proper angle suitable f or each operation. The deflector can be s wung up and down con[...]

  • Page 16

    – 16 – MAINTENANCE 2 1 CA UTION PROC EDURE 1. AIR FIL TER Cleaning and maintenanc e mus t b e c arrie d out only by qual ified ser vice per sonal. B efore clean ing, sto p ope ration and sw itch of f the power sup ply . When the filter indi cator lamp comes on, b e sure to clean t he filter . By doin g so, t he power rates are saved. In c as[...]

  • Page 17

    – 17 – ENGLISH DEUTSCH FRANÇAIS IT ALIANO SP ANISH POR TUGUÊS ∂ÏÏËÓÈο Р УССКИЙ 2. CLEANING OF FR ONT P ANEL CA UTION • D o not splash o r direc t water to the bod y of the unit when c leaning it a s t his may cause shor t c ircuit. • N ev er use hot water (a bove 40°C), benzine, gaso line , aci d, thinner or a b rush, be[...]

  • Page 18

    – 18 – Heating Capability • This room air conditioner utilizes a heat pump system that absorbs e xterior heat and brings it into a room to be heated. As the ambient temperature gets lower , heating capability will also lower . In such a situation, the inv er ter work to increase compressor r pm to keep the unit’ s heating capability from de[...]

  • Page 19

    – 19 – ENGLISH DEUTSCH FRANÇAIS IT ALIANO SP ANISH POR TUGUÊS ∂ÏÏËÓÈο Р УССКИЙ REGULAR INSPECTION PLEASE CHECK THE FOLLOWING POINTS EVER Y EITHER HALF YEARL Y OR YEARL Y . CONT ACT Y OUR SALES A GENT SHOULD Y OU NEED ANY HELP . 1 2 3 Check to see if the unit’ s earth line has been connected correctly . If the ear th line is[...]

  • Page 20

    – 20 – Perking n oise Nois e of the v entilat ion fan suckin g in air present in the drain hose and blowing out dehumi dify ing water that ha d acc umulated in t he con densed wat er c ollec tor . For deta ils, consult your s ales agent. Changing o perati on noise Op eration noise changes due to power varia tions ac cor ding to room temp eratur[...]

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