Hitachi RPIL-1.0UNE1NH Service Manual
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Hitachi RPIL-1.0UNE1NH Service Manual

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SERVICE MANUAL
HPS2017004HA

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Summary of Contents for Hitachi RPIL-1.0UNE1NH

  • Page 1 SERVICE MANUAL HPS2017004HA...
  • Page 2 Models < Indoor Units > Ducted Heat pump type Cooling only type RPIL-1.0UNE1NH RPIL-1.0TNE1NH RPIL-1.5UNE1NH RPIL-1.5TNE1NH RPIL-2.0UNE1NH RPIL-2.0TNE1NH RPIM-3.0UNE1NH RPIM-3.0TNE1NH RPIH-4.0UNE1NH RPIH-4.0TNE1NH RPIH-5.0UNE1NH RPIH-5.0TNE1NH RPIH-6.0UNE1NH RPIH-6.0TNE1NH RPIH-6.5UNE1NH RPIH-6.5TNE1NH Cassette Heat pump type Cooling only type RCI-1.5UNE1NH RCI-1.5TNE1NH RCI-2.0UNE1NH RCI-2.0TNE1NH RCI-3.0UNE1NH RCI-3.0TNE1NH...

  • Page 3: Table Of Contents

    DC-Inverter Air Conditioner Service Manual Table of Contents Option list ........................1 1.1Wired Remote Controller ..................1 1.2 Wireless Remote Controller .................. 10 1.3 IR receiver ......................15 2.Troubleshooting ......................16 2.1Trouble guide ......................16 2.2 Fault codes ......................21 3.

  • Page 4: Option List

    Wired Rmote Controller(Model：HCWA21NEWH) 1.1 Wired remote controller installation in the grips,...
  • Page 5 Custom Custom Custom Temperature measurement Celsius unit The method of setting the custom parameters: to access custom custom be displayed custom settings mode...
  • Page 6 enabled revised set point all values will be flicking at the display, press all values will be flicking at the display, press. settings. remote located at an area with different temperature than the room correction start an offset...
  • Page 7 all values will be flicking at the display, press. Upper cover assembly screen of 1.2Wired pressing setting values or to set the airflow direction. DOWN setting value.
  • Page 8 operation swing swing revision setting once setting setting available for specific Custom-setting parameters b must be configured by installer or autorized person. Basic operation...
  • Page 9 increases decreases staff reaches increase decrease During the appliance in working mode unabling is the default setting swing swing swing swing Function set Super mode activated at activate with the working unit to activate the Super mode Silent mode silent mode operation activate during appliance operation...
  • Page 10 With improve comfort. activate be displayed activated. will disappear lock buttons users setting overwrite. disabled activate activate be displayed staff is displayed staff perform warning prompt. available actual set. enter...
  • Page 11 Single Timer ON/OFF activate During setting. timer timer Single Timer ON/OFF timer timer value. with the same procedure. Single Timer ON/OFF setting Single Timer ON/OFF will appear Single Timer ON/OFF setting appears, cancellation Single Timer ON/OFF Single Timer ON/OFF cancellation Holding Single Timer ON/OFF cancellation...
  • Page 12 setting is displayed SELECTION SETTING SELECTION setting, is displayed are flickering. selection. setting. hour setting, selection selected to cancel setting. setting, setting selected setting. setting is done with the same procedure as setting. setting need to. setting setting...

  • Page 13: Wireless Remote Controller

    Wireless Rmote Controller (Model：HCRA31NEWH) Remote controller The remote controller transmits signals to the system. TEMP. MODE Used to adjust the room temperature and Press this button to select the operation mode. the timer. POWERFUL ON/OFF Used to start or stop the fast cooling/heating. The appliance will be started when it is (Fast cooling operates at high fan speed with energized or will be stopped when it is...
  • Page 14 Remote controller How to Insert the Batteries Remove the battery cover according to the arrow direction. Insert new batteries making sure that the (+) and (-) of battery are matched correctly. Reattach the cover by sliding it back into position. Note: Use 2 LR03 AAA(1.5volt) batteries.
  • Page 15 � Operation modes Selecting mode Press button once by once The operation modes changed in sequence: Result : COOL HEAT PRESS Heating mode is NOT available for cooling only air conditioner. FAN mode Press button once by once Result : The fan speed is changed in sequence: Auto Quiet Low...
  • Page 16 What you can do in AUTO mode? Your feeling Button Adjust Uncomfortable because Indoor fan speed alternates among Auto, Low,Medium of unsuitable air flow and High each time this button is pressed. volume. Press it once, the horizontal adjustment louver(vertical Uncomfortable because adjustment louver) swings to change vertical airflow of unsuitable flow...
  • Page 17 How to set TIMER ON ? Press TIMER button when the unit is off. Result : flash on the LCD. PRESS Press the button. Result : Once to increase or decrease the time setting by 1 hour. PRESS When your desired time displayed on LCD, press the TIMER button and confirm it. Result : stop flashing.

  • Page 18: Ir Receiver

    IR Receiver (Model：HRBA31NEGH) Important Notice Please carefully read the Installation Manual supplied with the signal receiver, and perform installation in accordance with these instructions properly. Indoor Unit Parts Introduction Install the receiver onto the wall or ceiling near the indoor unit. Connect it with the indoor unit by the connect wire.It should be used The connection of the connecting wire with the wireless remote controller.

  • Page 19: Troubleshooting

    2.Troub bleshooti 2.1Troub ble guide When the air co nditioner fa ailure occu urs, the fau ult code wil l displays o on control board , wi remote c controller o or display p panel. to check f fault codes Indoo or Unit (1)Fault...
  • Page 20 Displ l ay panel DEFROST FILTER TIME E M E R G ENCY Run indicator (Red) Indicates the fault code ten digital number. Defrost indicator (Green) Indicates the fault code singal digital number. LED FA FALSH CONTRO OL：flash 300m mS(T1)，off 300 0 mS(T2)，after 2000mS(T3)fau u lt code repeat d d isplays. (as shown below) T1 T T 2 Fig.2 2 2 LED ALSH H CONTROL...
  • Page 21 Outd d oor Unit a a irconditone r 1.0/1.5/2.0/3.0 Hp(Main control boar DC-In n verter split d upside-doww n) Fault code displa y y s by LED la a mps on out d d oor main co o ntrol board. There are 3 LED laamps on control board, LEED1,LED2 aand LED3.
  • Page 22 For ex xample, outd oor main con ntrol fault 32 For ex xample, outd oor drive fau ult 32: SPLIT AIR CONDITI (4.0/5.0/6.0/6.5HP)： （ 2 ） ONER INVERTER Fault code will dis splay on digit tal tube boar Outdoor r Control Board Digital Tu...

  • Page 24: Fault Codes

    2.2 Fault codes The following is the fault code table of outdoor. Sheet 1 Outdoor Fault code Fault Fault Description Possible Reason of Abnormality How to Deal With Remarks code 1.Reconnect the outdoor ambient 1.The outdoor ambient temperature temperature sensor; Outdoor ambient sensor connect loose;...
  • Page 25 Fault Fault Description Possible Reason of Abnormality How to Deal With Remarks code 1.The connection cable connect wrong 1.Reconnect the connection cable refer between the indoor unit and outdoor to the wiring diagram; unit; 2.Reconnect the communication cable; 2.The communication cable connect 3.Replace the communication cable;...
  • Page 26 Fault Fault Description Possible Reason of Abnormality How to Deal With Remarks code 1.The AC voltage>275V or <160V. 1. Normally protection, please check the AC voltage is 2.The AC voltage of sampling circuit on supply power; abnormal the driver board is abnormally 2.
  • Page 27 Fault Fault Description Possible Reason of Abnormality How to Deal With Remarks code the refrigerant of Discharge the refrigerant and charge the the unit is not The refrigerant of the unit is not enough refrigerant refer to the rating label enough fault 1.The wiring of the 4-way valve coil 1.
  • Page 28 The following is the fault code table of indoor. Sheet 2 Indoor fault code Fault Fault Description Possible Reason of Abnormality How to Deal With Remarks code 1.1 Check whether there are something to block the drain hose or the height of the drain hose is too high;...
  • Page 29 Fault Fault Description Possible Reason of Abnormality How to Deal With Remarks code 1. Reconnect the cable of the coil 1.The cable of the coil temperature Evaporator temperature sensor of the sensor of the evaporator is failure; Middle evaporator; 2. The coil temperature sensor of the Temperature 2.
  • Page 30 Note 3:Overload in cooling mode Sheet 3 Overload in cooling mode overload in cooling mode The root cause Corrective measure Discharge the refrigerant, and recharge the refrigerant refer The refrigerant is excessive to the rating label The outdoor ambient temperature is too high Please use within allowable temperature range The air outlet and air inlet of the outdoor unit is Adjust the installation of the outdoor unit refer to the user...
  • Page 31 Sheet 5 Drive Fault code(1.0/1.5/2.0/3.0HP） Fault Fault Description Possible Reason of Abnormality How to Deal With code Inverter DC voltage overload fault 1.Power supply input too high or too 1.Check power supply Inverter DC low voltage fault low; 2.Change driver board. Inverter AC current overload fault 2.Driver board fault.
  • Page 32 Sheet 6 Drive Fault code (4.0/5.0/6.0/6.5HP) Fault Fault Description Possible Reason of Abnormality How to Deal With code 1. compressor wire connect not well; 1. Check compressor wire; 2. Bad driver board components; 2. Change driver board ; Q axis current 3.
  • Page 33 Fault Fault Description Possible Reason of Abnormality How to Deal With code 1.Voltage input too low ; 1.Check the power supply. Low DC voltage 200V 2.Driver board fault. 2.Change the driver board. Driver board read EE 1.EEPROM has no data or data error; 1,Change EEPROM component;...

  • Page 34: Checking Components

    3.CHECKING COMPONENTS 3. Check king com ponents 3.1 Chec ck refrige erant syst TEST SYST TEM FLOW ditions: ① C Cond Compressor is running. ② T The air cond dition should d be installed d in good ve ntilation. Tool: Pressure G Gauge nique: ①...
  • Page 35 3 . . C C H H E E C C K K I I N N G G C C O O M M P P O O N N E E N N T T S S Test system flow Cooling mode Test system The pressure on the...

  • Page 36: Check Parts Unit

    3.CHECKING COMPONENTS 3.2 Chec ck parts u unit INDOOOR FAN MOTOR Ducted 1.0/1.5/3.0/4.0/5.0/6.0/6.5HP--DC motor 2.0HP--- AC motor 1.0/1.5HP Motor m -68CVL-F1 40-1 odel：SIC- 3.0HPMotor mode l：SIC-70 CW-F195- 4.0/5.06.0/6.5HP Motor m model：SI C C-101CW-F1250-4 2.0HP Motor model：YSK11 0-40-4-A...
  • Page 37 3.CHECKING COMPONENTS BLACK K-YELLOW W:146±15 %Ω YELLO OW-BROW WN:33±15 %Ω BROW WN-ORANG GE: 43±15 5%Ω Ω YELLO OW-RED: 6 63±15%Ω ±15%Ω RED-B BLUE: 63± Ω BLUE- -WHITE: 1 19±15%Ω Casset 1.5HP-D C MOTOR 2.0HP-AC MOTOR M MODEL:YDK K95-28-4-B 25 ℃ 3.0/4.0HP EHDS50A DC-MOT O...
  • Page 38 3.CHECKING COMPONENTS Floor ceiling 2.0HP DC MOTOR MOD EL: SIC-52F FV-F130-3 3.0HP DC MOTOR MOD EL: SIC-70C CW-F1100-6 4.0HP DC MOTOR MOD EL: SIC-70C CW-F1140-3 5.0/6.0/6.5HP DC MOTO R MODE L L: SIC-101CW W-F1181-2 Test in resis stance. TOOL: Mult timeter.
  • Page 39 3.CHECKING COMPONENTS TOOL: Multimeter. Insert screwdriver into to rotate indoor fan motor slowly for 1 revolution or over, and measure voltage “YELLOW” and “GND” on motor. The voltage repeat 0V DC and 5V DC. Notes: Please don’t hold motor by lead wires. Please don’t plug IN/OUT the motor connecter while power ON.
  • Page 40 3.CHECKING COMPONENTS 2. OUTDOO OR FAN MO OTOR DC MOTOR 1.0/1.5HP-- MOTOR M O ODEL: SIC- 52FV-F130- 2.0/3.0HP- MOTOR M MODEL: SIC C-61FV-F161 4.0HP—MOT OR MODEL L:SIC-71FW W-D8121-1 5.0HP—MOT OR MODEL L:SIC-81FW W-F1138-1 MOTOR MOD EL:SIC-71 6.0/6.5HP: FW-D8121- -1+ SIC-71F F W-D8121-2 3.
  • Page 41 3.CHECKING COMPONENTS Test in resistance. TOOL: Multimeter. Test the resistance of the winding. The compressor is fault if the resistance of winding 0(short circuit)or∞（open circuit） Familiar error: 1）Compressor motor lock. 2）Discharge pressure value approaches static pressure value . 3）Compressor motor winding abnormality. Notes：...
  • Page 42 3.CHECKING COMPONENTS Test in resistance. TOOL: Multimeter. Test the resistance of winding. The stepper motor is fault if the resistance of winding 0(short circuit)or∞ （open circuit）. 6. FUSE Checking continuity of fuse on PCB ASS’Y. Remove the PCB ASS’Y from the electrical component box. Then pull out the fuse from the PCB ASS’Y (Fig.1) Fuse PCB Ass'Y...
  • Page 43 3.CHECKING COMPONENTS Multimeter Compressor motor capacitor Fan motor Fig.3 capacitor...

  • Page 44: Disassembly And Assembly For Compressor And Motor

    The special tools for compressor & motor disassembly and assembly： Tool Hexagon Screwdriver Hexagon Socket Outdoor unit Outdoor unit 1.0/1.5/2.0/3.0HP Important: Before disassembly and assembly, make sure that the power to the system has been disconnected and verified as voltage free. Step Illustration Handling Instruction...
  • Page 45 4.0HP Important: Before disassembly and assembly, make sure that the power to the system has been disconnected and verified as voltage free. Step Illustration Handlin Instruction 1.Remove cover, 1.Remove handle and valve cover; external 2.Remove the outer case and casing right side plate.
  • Page 46 6.0/6.5HP Important: Before disassembly and assembly, make sure that the power to the system has been disconnected and verified as voltage free. Step Illustration Handling Instruction 1.Remove the top cover, 1.Remove external handle and valve cover; casing 2.Remove the outer case and right side plate.
  • Page 47 Indoor unit Ducted（1.0/1.5HP） Removal and Assembly of Fan Motor Important: Before removing the fan, make sure power to the system is disconnected. Step Illustration Handling Instruction Use screwdriver to remove the electric box 1. Unplug the motor cover and unplug the cables motor cables in electric box.
  • Page 48 2.0HP Removal and Assembly of Fan Motor Important: Before removing the fan, make sure power to the system is disconnected. Step Illustration Handling Instruction Use screwdriver to remove the 1. Unplug the motor electric box cover and unplug the cables motor cables in electric box.
  • Page 49 4.0/5.0/6.0/6.5HP Removal and Assembly of Fan Motor Important: Before removing the fan, make sure power to the system is disconnected. Step Illustration Handling Instruction Use screwdriver to remove the 1. Unplug the motor electric box cover and unplug cables the motor cables in electric box. Use a offset spanner to loosen 2.
  • Page 50 Cassette type 1.5/2.0HP Step Illustration Handling Instruction Loosen screws Use screwdriver to loosen holding the electric box the electric box and the cover remove plate. plate. 2. Loosen the bolts holding Use a wrench or socket to the fan blades in place and carefully remove the fan Remove the fan blade.
  • Page 51 3.0/4.0/5.0/6.0/6.5HP Step Illustration Handling Instruction 1.Loosen the screws Use screwdriver to loosen holding the electric box cover and electric box. Electric box. 2. Loosen the screws Use screwdriver to loosen holding condensate pan the screws holding the drain and Remove the pan in place.
  • Page 52 Floor ceiling Removal of the motor Step Illustration Handling Instruction Slide open the 4 decorative covers, loose and take out the 4 screws, then open the down front panel assembly. Disassembly of the down front panel assembly Loose and take out the 4 screws fixing the hinge, then remove the down front panel assembly.
  • Page 53 Removal of the motor Step Illustration Handling Instruction Remove the 2 screws fixing the motor Disassembly of shaft and fan blade by allen the motor shaft screwdriver. Remove the fasteners between the up shell and the below shell; Take out of the motor and centrifugal Disassembly of fan blade;...
  • Page 54 Removal of the motor Step Illustration Handling Instruction motor. Remove the fasteners between the up shell and the below shell on both sides of the motor; Disassembly of Remove the 2 screws fixing the the motor Crosshead and take it away from the (5.0/6.0/6.5HP) motor;...

  • Page 55: Control Logic Description

    5 5 . CONTR R OL LOGIC DESC C RIPTION N 5 5 . Contr o o l logic d d escriptio o n .1 Fan Onl l y Mode 1 1 ) Outdoor r fan and co o mpresso r r stop.
  • Page 56 5 5 . CONTR R OL LOGIC DESC C RIPTION N 30 0 rpm~60rp p m. .3 Heating g Mode n n door fan r r unning rul n n several m m inutes aft t er the he a a ting mode e is starte d d , the fan o o f the ind o o or unit w w ill not run...
  • Page 57 5 5 . CONTR R OL LOGIC DESC C RIPTION N .4 Auto M M ode his mode can be c h h osen wit h h remote c c ontroller a a nd the se e tting temp p erature 0 0 ℃.
  • Page 58 5 5 . CONTR R OL LOGIC DESC C RIPTION N 5.6 Condenser High-temperature Protection DC-Inverter outdoor unit AC will enter T3 protection if any of the following conditions is satisfied. TE10 TE11 Condition1: Cooling mode: When the outdoor coil temp. T3 keeps higher than T2 for 10 seconds, the compressor and outdoor fan will shut off.

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