Hitachi RAF-50RPA Service Manual

Text of Hitachi RAF-50RPA User Guide:

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• Hitachi RAF-50RPA, – 36 – ENGLISH DEUTSCHFRANÇAISITALIANOSPANISHPORTUGUÊS∂ÏÏËÓÈο«®¬¬¥£¤ REGULAR INSPECTION PLEASE CHECK THE FOLLOWING POINTS EVERY EITHER HALF YEARLY OR YEARLY. CONTACT YOUR SALES AGENT SHOULD YOU NEED ANY HELP. 1 2 Check to see if the unit’s earth line has been connected correctly. If the earth line is disconnected or faulty, unit failure or electric shock hazard may result. Check to see if the mounting frame has rusted excessively or if the outdoor unit has tilted or become unstable. It could collapse or

• Hitachi RAF-50RPA, ENGLISH – 8 – NAMES AND FUNCTIONS OF REMOTE CONTROLLER REMOTE CONTROLLER ƽ This controls the operation of the indoor unit. The range of control is about 7 meters. If indoor lighting is controlled electronically, the range of controller may be shorter. This unit can be fixed on a wall using the fixture provided. Before fixing it, make sure the indoor unit can be controlled from the remote controller. ƽ Handle the remote controller with care. Dropping it or getting it wet may compromise its signal transmission capability. ƽ After new batteries are inserted into the remote contr

• Hitachi RAF-50RPA, MODEL　 Unit : mm 　 580.5 600 345 299 (19.5) A P F05-CAR CONSTRUCTION AND DIMENSIONAL DIAGRAM OUTDOOR UNIT More than 200 28 NOTE: 1.For outdoor unit installation , allow at least 2 sides of space around the unit ensure ventilation . 2.The connecting pipe , should all the insulated with insulation pipe. 3.Piping length is within 20m. 4.Height d fferent of the piping between the indoor unit and outdoor unit s ould be within 10m.ih flue

• Hitachi RAF-50RPA, – 18 – ECO OPERATION ƽ By pressing the (ECO) button during AUTO, HEATING, DEHUMIDIFYING or COOLING operation, the air conditioner performs the "ECO" operation. 1 Ƶ To start ECO operation ƵTo cancel ECO operation Press (ECO) button during operation. “ ” is displayed on the LCD. Energy saving operation will start by changing the set temperature higher or lower automatically and reducing operation power consumption. This function may vary based on the ƽ Press (START/STOP) button.Or ƽ Press (ECO) button again. “ ” disappears from the LCD. NOTE ƽ ECO functi

• Hitachi RAF-50RPA, Notes: (1) Condition for entering into Cool Dashed mode. When fan set to “Hi” or “Auto and when the compressor speed (P section) due to temperature difference between setting temperature (including the correction shift only) and room temperature is CMAX or higher. (2) Cool Dashed will release when i) a maximum 25 minutes is lapsed and ii) room temperature is lower than set temperature –3°C (thermo off) and iii) when room temperature has achieved setting temperature –1°C then maximum Cool Dashed time will be revised to 20 minutes. And iv) indoor fan is set to Lo and Med fan mode

• Hitachi RAF-50RPA, MODEL FAN MOTOR FAN MOTOR CAPACITOR FAN MOTOR PROTECTOR COMPRESSOR OVER HEAT PROTECTOR OVERLOAD RELAY FUSE (for MICRO COMPUTER) POWER RELAY, STICK RELAY POWER SWITCH TEMPORARY SWITCH SERVICE SWITCH TRANSFORMER VARISTOR NOISE SUPPRESSOR THERMOSTAT REFRIGERANT CHARGING VOLUME (R410A) UNIT PIPES (MAX. 20m) SPECIFICATIONS REMOTE CONTROL SWITCH (LIQUID CRYSTAL) YES NO RAF-50RPA 25W (DC35V) NO NO NO NO YES NO NO NO NO YES (IC) RAC-50FPA 47W (DC380V) YES YES 3A G4A-1A NO YES NO 450NR NO NO WITHOUT REFRIGERANT BECAUSE COUPLING IS FLARE TYPE. NO NO NO 1,250g ASG133C

• Hitachi RAF-50RPA, ENGLISH DEUTSCHFRANÇAISITALIANOSPANISHPORTUGUÊS∂ÏÏËÓÈο«®¬¬¥£¤ – 4 – NAMES AND FUNCTIONS OF EACH PART MODEL NAME AND DIMENSIONS INDOOR UNIT OUTDOOR UNIT FOR SINGLE SPLIT MODEL Remote controller * OUTDOOR UNIT for single split model. DEPTH HEIGHT WIDTH MODEL 760mm 600mm 235mm RAF-50RPA (INDOOR UNIT) RAC-50FPA 792mm 600mm 299mm RAC-50FPA – 5 – Open the front panel 1. To open the front panel, use the remote controller to stop unit operation. Then press at the top left and right corners of the front panel. 2. Grasp the left and right sides of the front panel and open it toward you. Close the front panel 1. To close the front panel, press the u

• Hitachi RAF-50RPA, Fig. 7-4 Power module circuit (U is OFF, V is ON) +– Since current flows at point B only when U + transistor and V – transistor are ON, the current waveform at point B becomes intermittent waveform as shown in Fig. 3. Since current at point B is approximately proportional to the input current of the air conditioner, input current is controlled by using DC current (Id) detection resistor. <Reference> If power module is defected, self diagnosis lamps on the MAIN P.W.B. may indicate as shown below: 1- 7 elbaT - 7 R008 C032 C023 C024 C021 C022 Fig. 7-5 68

• Hitachi RAF-50RPA, – 22 – Press (SLEEP) button during operation. ƽ “ ”, “ ”, “ ”, “OFF”, off time, “ ” and number of hour are displayed on the remote controller display. ƽ During ECO SLEEP TIMER operation, fan speed will be ultra ƽ A beep sound emitted from indoor unit and the (TIMER) lamp on the indoor unit lights up. Pressing (SLEEP) button repeatedly, the number of hours ƽ During ECO SLEEP TIMER operation, air conditioner will ƽ When the ECO SLEEP TIMER has been set, the display on Press (START/STOP) button. ƽ Room air conditioner will switch o

• Hitachi RAF-50RPA, (6) Use a three wire type soldering iron including a grounding wire. Fig.4 Grounding a solder iron Use a high insulation mode (100V, 10MΩ or higher) when ordinary iron is to be used. (7) In checking circuits for maintenance, inspection, or some others, be careful not to have the test probes of the measuring instrument short circuit a load circuit or the like. Bare copper wire (for body earth) Metal plate (of Al. stainless steel, etc.) Working table Resistor 1MΩ(1/2W) Earth wire Staple Fig.3 Grounding of

• Hitachi RAF-50RPA, 2 6 &IG"UZZER#IRCUIT &IG &IG"UZZER/PERATION -ETALDIAPHRAGM 0IEZOELECTRICELEMENT 6 3OUNDWAVE -ICROCOMPUTER "UZZEROUTPUT ":  6 )#  6 s4HELIGHTRECEIVINGUNITRECEIVESANINFRAREDSIGNALFROMTHEWIRELESSREMOTECONTROL4HERECEIVERAMPLIFIES ANDSHAPESTHESIGNALANDOUTPUTSIT 7)2%,%33 INPUT -ICROCOMPUTER R62 )#

• 6(59,&(&$//4$ &22/,1*02'(       

• Hitachi RAF-50RPA, 1. In quiet operation or stopping the running, its heard slight flowing noise of refrigerant in the refrigerating cycle occasionally, but this noise is not abnormal for the operation. 2. When it thunders near by, it is recommend to stop the operation and to disconnect the power cord plug from the power outlet for safety. 3. The room air conditioner dose not start automaticaly after recovery of the electric power failure for preventing fuse blowing. Re-press START / STOP button

• Hitachi RAF-50RPA, above 200mm above 100mm above 200mm ( ) above 50 mm when installed on the ceiling of balcony s The refrigerating machine oil is easily affected by moisture. Use caution to prevent water from entering the cycle. s The difference in height between the indoor and outdoor unit should be kept below 10m. s The connecting pipe, no matter big or small, should all be insulated with insulation pipe and then wrapped with vinyl tape. (The insulator will deteriorate if it is not wrapped with tape.) Inner diameter ø16mm The connection of insulated drain hose. Please use ins

• CHECKING THE REFRIGERATING CYCLE   2.96｛30.14｝   2.62｛26.72｝   2.31｛23.58｝   2.03｛20.73｝   1.78｛18.14｝   1.55｛15.79｝   1.34｛13.66｝   1.15｛11.74｝   0.98｛10.02｝   0.83｛ 8.48｝   0.70｛ 7.10｝   0.58｛ 5.89｝   0.47｛ 4.81｝ Outdoor air temperature (℃) 50 45 40 35 30 25 20 15 10 5 0 -5 -10 （R410A)

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More Instructions:

	Hitachi RAF-50RPA Instruction manual 01-11-2023 38	DOWNLOAD
	Hitachi RAF-50RPA Instruction manual 29-01-2024 38	DOWNLOAD

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