Hisense ADM-24UX4SGKA Service Manual
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Hisense ADM-24UX4SGKA Service Manual

Hisense ADM-24UX4SGKA Service Manual

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Summary of Contents for Hisense ADM-24UX4SGKA

  • Page 2: Table Of Contents

    Table of contents Page 1£® OPERATING RANGE 2£® SPECIFICATION 2-1 Unit specifications 2-2 Major component specifications 2-3 Other component specifications 3£® OUTLINES AND DIMENSIONS 3-1 INDOOR 3-2 OUTDOOR 4£® REFRIGERANT FLOW DIAGRAM 4-1 Refrigerant flow diagram 4-2 Evacuation procedures 4-3 Evacuation direction 5£®...
  • Page 3 9-2 Outdoor 10£® PARTS LIST 10-1 Indoor 10-2 Outdoor...

  • Page 4: Operating Range

    Temperature Indoor Air Intake Temp. Outdoor Air Intake Temp COOLING Maximum ¡æ D.B./23 ¡æ W.B. ¡æ D.B./26 ¡æ W.B. Minimum ¡æ D.B./15 ¡æ W.B. ¡æ D.B./ ¡æ W.B. HEATING Maximum ¡æ D.B./18 ¡æ W.B. ¡æ D.B./18 ¡æ W.B. Minimum ¡æ D.B/ ¡Ü...

  • Page 5: Specification

    2-1. Unit specifications Model ADM-24UX4SGKA Function Cooling Heating Power supply a.c 220-230V/50Hz Capacity Capacity Dehumidification L /h ¡ª £- Air flow 1100 1250 Rated current 10.8 11.6 Electrical data MAX. current 16.6 17.2 Rated input MAX. input EER/COP 3.04 MAX.operating High 4.15...

  • Page 6: Major Component Specifications

    2-2. Major component specifications 2-2-1.INDOOR FAN MOTOR ELECTRIC PERFORMANCE PARAMETER Motor model YYW28-4-2085 Rated power source 220-230V Phases/Poles Rated load output(W) Rated speed(r/min) 1080/930/850¡À 40 Ambient temperature(¡æ ) -5¡æ ¡« +43¡æ . 2-2-2 .OUTDOOR FAN MOTOR ELECTRIC PARAMETER PERFORMANCE Motor model YDK70-6H-3 Rated power source 220-230V...

  • Page 7: Other Component Specifications

    2-3. Other component specifications 2-3-1. INDUCTANCE(-069-) ELECTRIC PERFORMANCE PARAMETER Inductance model R2550HS Rated power source 220V 50Hz Rated current(A) Rated inductance 5.0¡À 10£¥ (mH) Ambient temperature(¡æ ) -20¡æ ¡« +70¡æ . 2-3-2. FILTER(-017-) ELECTRIC PERFORMANCE PARAMETER Filter model ESFQ-20TO47-03 Rated current(A) Rated power source AC 220V 50Hz Filter frequency range...

  • Page 8: Outlines And Dimensions

    3-1. INDOOR 20 or more...

  • Page 9: Outdoor

    3-2.OUTDOOR 1010 >100mm >300mm >100mm >500mm...

  • Page 10: Refrigerant Flow Diagram

    4-1. Refrigerant flow diagram £º 4-WAY VALVE EVAPORATOR COMPRESSOR CHECK VALVE ASS'Y CONDENSER CAPILLARY Remark£º COOLING CYCLE...

  • Page 11: Evacuation Procedures

    4-2. Evacuation procedures£º EVACUATION PROCEDURES Connect the refrigerant pipes (both the liquid and gas pipes) between the indoor and the outdoor units. Remove the service port cap of the stop valve on the side of outdoor unit gas pipe. (The stop valve will work in its initial state fresh out of the factory (totally closed with cap on).

  • Page 12: Evacuation Direction

    4-3. Evacuation direction£º MAX. REFRIGERANT PIPING LENGTH Refrigerant Piping Piping size (OD) : mm Length of connecting pipe : m Models Max. Length: m Liquid Indoor unit Outdoor unit ADM 24UX4SGKA 15 88 9 52 MAX. HEIGHT DIFFERENCE Indoor unit Refrigerant piping Max.

  • Page 13: Electrical Data

    5-1.Electrical wiring diagrams 5-1-1.Indoor RZA-1-5253-551-XX-0 FAN MOTOR CAPACITOR WATER LEVER SWITCH PUMP RY06 YLW/GRN TERMINAL TERMINAL CONTROLLER TO OUTDOOR UNIT POWER CABLE 1-2. Outdoor OUTDOOR WIRING DIAGRAM TERMAIL OUTDOOR CONTROL BOARD PANEL FUSE FILTER W(CN3) W(CN3) AC L IN SI AC N (CN14. 3) SI AC N (CN14.

  • Page 14: Electric Control

    5-2. Electric control 1.Indoor control Fan motor driving Relay power supply Coil sensor Room sensor F rom transformer A C 1 2 V 7805 +12V To remote controller Lever switch driving AC 220V input FUSE 3 15A 250V Transformer power supply...
  • Page 15 2.Outdoor control Fan motor driving 4 way valve FUSE 3 15A 250V driving Communication signal (ac 24v To termina board To PFC control board +12V Electronic expansion +15V valve control Compressor overload protection Compressor discharge sensor Outdoor sensor Coil sensor FUSE 3 15A 250V To compressor terminal...

  • Page 16: Sensor Parameter

    5-3£® SENSOR PARAMETER 5-3-1.INDOOR SENSOR PARAMETER THE PARAMETER OF THE COIL SENSOR AND INDOOR AMBIENT SENSOR£ º £ ¨R =15K± 2%£» B=3450±2%£© T(¡æ ) R(KO) V(v) T(¡æ ) R(KO) V(v) T(¡æ ) R(KO) V(v) T(¡æ ) R(KO) V(v) 67.94 0.3235 10.55 1.5410 2.471...
  • Page 17 5-3-2.OUTDOOR SENSOR PARAMETER 1. THE PARAMETER OF THE COIL SENSOR AND OUTDOOR AMBIENT SENSOR£ º £ ¨R =15K±2%£» B=3450±2%£© T(¡æ ) R£¨ K¦¸ £© V(V) T(¡æ ) R£¨ K¦¸ £© V(V) T(¡æ ) R£¨ K¦¸ £© T(¡æ ) R£¨ K¦¸ £© V(V) V(V) 38.32 0.5859...
  • Page 18 2. THE PARAMETER OF OUTDOOR COMPRESSOR TEMPERATURE SENSOR: £¨ R =187.25K±6.3%£© T(¡æ ) R£¨ K¦¸ £© V(V) T(¡æ ) R £¨ K¦¸ £© V(V) T(¡æ ) R£¨ K¦¸ £© V(V) T(¡æ ) R£¨ K¦¸ £© V(V) 526.61 0.0635 92.358 0.3418 23.295 1.1279 6.0731...

  • Page 19: Control Mode

    Control mode 1.Major general technical parameters 1 Conditionings for operation: Ambient temperatures: (-15 - +45 ¡æ ), relative humidity (45 - 85%). 2 Remote receiver distance: 50 m. 3 Temperature control accuracy: ±1¡æ . 4 Time error: Less than 1%. 5 The power supply for the air conditioner is a.c 220V, 50Hz, with its fluctuation in the range of (160 –...
  • Page 20 3.1 Emergency switch 3.1.1 Press the emergency switch once to turn on the machine and press it again to turn off the machine; in the automatic mode, the indoor control temperature is set at 24¡æ with the indoor fan speed setting is automatic. 3.1.2 When the machine is turned on (in the OFF condition), press and hold the emergency switch for 10 seconds, the controller starts in the trial operation, regardless of indoor temperature, the trial operation is the forced cooling with the indoor fan...
  • Page 21 When T – T 3¡æ £¬ it starts in the cooling mode; set £¾ room When -3¡æ ¡Ü T – T 3¡æ £¬ it starts in the ventilation run mode; set ¡Ü room When T – T -3¡æ , it starts in the heating mode. set £¼...
  • Page 22 preset speed. When the fan speed setting is automatic, the fan speed is set based on the difference in room temperatures. Indoor fan speed room <2 OR T room ¡Ü room <4 C ¡Ü T Medium room High set ¡Ý room 4.2.4 Prevention against condensation and insufficient heat exchange at the low indoor fan speed.
  • Page 23 line controller. 4.3.2 Indoor fan The fan speed is set at the high, medium or low fan speed, it operates at a preset speed (in the cold air prevention, it is forced to run at the ultra-low flowrate or stop). When the fan speed is set in the auto-run, the fan speed setting is made according to the room temperature differences (except for the cold air prevention).
  • Page 24 Switchover: When initially powered on for heating, the 4-way valve is activated immediately. In the change from cooling to heating, it needs an interval of 50 seconds for the 4-way valve to change over from being interrupted to being activated. 4.3.7 Overload control 4.3.7.1 Conditions for the system to be interrupted on overload: When the indoor heat exchanger temperature is higher than or equal to the Interrupting Temperature for...
  • Page 25 Indoor Ambient Tset Time Dehumidifying area I: Operation at the frequency in the range (30 – 80 Hz) according to ∆t (T indoor ambient ∆t(¡æ ) f(Hz) ¡Ý 2 Efficient Dehumidifying area II: The compressor stops for 5 minutes and operates for 5 minutes at the lowest frequency.
  • Page 26 × × ¡ï Frequency descent or restriction on frequency ascent caused by overcurrent × ¡ï ¡ï Frequency descent or restriction on frequency ascent caused by anti-freeze in cooling or overload control in heating × ¡ï ¡ï Frequency descent or restriction on frequency ascent caused by too high compressor discharge temperature ×...
  • Page 27 7-1. Trouble alarm Trouble List 一.Indication on the outdoor unit When the compressor is interrupted, the outdoor LEDs are used to indicate the troubles listed below: Ο: flashing ×: OFF Symbols for indicator lights: ★: ON LED1 LED2 LED3 Troubles Possible Cause ×...
  • Page 28 × ★ ★ Between the 2 CPUs in the Outdoor control board in trouble outdoor communication trouble。 × Ο ★ Compressor housing temperature The system refrigeration system too high wants refrigerant(R410A). Ventilation condition of the air conditioner don’t accorded to standard.
  • Page 29 Trouble code Possible Cause No trouble Outdoor coil temperature sensor in 1. Outdoor coil temperature sensor is failure trouble 2. Outdoor control board in trouble Compressor discharge temperature 1. Compressor discharge sensor is failure sensor in trouble 2. Outdoor control board in trouble IPM protection 1.
  • Page 30 Communication between the indoor 1. Connection cable isn’t well connect and outdoor in trouble 2. Indoor control board in trouble 3. Outdoor control board in trouble Water overbrimmed the pump. 1. Check the pump Indoor EEPROM in trouble 1. Indoor control board in trouble. 三.
  • Page 31 Room temperature sensor in trouble 3. Room temperature sensor is failure 4. Indoor control board in trouble Indoor coil temperature sensor in 3. Indoor coil temperature sensor is failure trouble 4. Indoor control board in trouble Between wire remote controller and 3.

  • Page 32: Service Flow Chart

    7-2. Service flow chart Switch on the power supply Does it receive the Check corresponding Does remote controller remote controller trouble according screen display normally? signal? trouble code. Check and find short circuit or open circuit After replacing the fuse(F01, among other Remote controller in...
  • Page 33 Error code 33 Take from Indoor temperature CN13 ,Measure sensor resistance of thermistor Does the resistance Replace of thermistor have indoor control characteristics board Error code 34 Take from on part 5-3 Indoor Coil sensor CN12 ,Meaure trouble resistance of thermistor Replace the thermistor Error code 14 Measure resistance...
  • Page 34 Error code 8 Error code 9 Over current protection Max. current protection Switch off and start Is the operating Normal protection Normal protection up again, is it OK? current beyond peak 20A? Replace Replace Outdoor control outdoor control Outdoor control board fault outdoor control board fault board, is it OK?
  • Page 35 Error code 36 Communication trouble Connect the indoor and Are all the lead wires connected outdoor unit again according between indoor and outdoor unit? to the wiring diagram Is there power output between Indoor control indoor 1 and 2 of teminal block AC220V? board in trouble And "S-N"...
  • Page 36 Check operation Error code 38 Indoor control board fault, Indoor EPROM trouble replace it Error code 11 Outdoor control board Data failure of outdoor fault, replace it EPROM...
  • Page 37 Error code 18 Compressor operating trouble restart the air conditioner， Is it Occur by chance Measure the voltage on the IPM(U 、 V 、 W) terminal The compressor is fault respectively，and observe voltage range,Is right？ Outdoor control board is failure Error code35 Between wire remote controller and indoor unit communication trouble...
  • Page 38 8-1. Check refrigerant system TEST SYSTEM FLOW Conditions: ¢Ù Compressor is running. ¢Ú The air condition should be installed in good ventilation. Tool: Pressure Gauge Technique: ¢Ù ¢Ú feel ¢Û test SEE---Tube defrost. FEEL---The difference tube temperature. TEST--- Test pressure. cooling run heating run Outdoor unit...
  • Page 40 8-2.Check parts unit 1. INDOOR FAN MOTOR£¨ -230-£© .MOTOR EXAMINE AND REPAIR Circuit diagram WINDING BLACK BROWN " " M The main w inding " " The auxiliary w inding Capacitor WHITE Hot protector 130¡æ PURPLE YELLOW Winding resistance ( at 20¡æ ) M: 70.5¦¸...
  • Page 41 observed at early stage after such shock.But it may be found later,This type of mishandling void our warranty. 3. COMPRESSOR£¨ -040-£© 1.Coil Resistance: 0.88¦¸ (at 20 ) ¡æ 2.COMPRESSOR EXAMINE AND REPAIR. OVERLOAD PROTECTION INVERTER POWER Test in resistance. TOOL: Multimeter. Test the resistance of the winding.
  • Page 42 8-2-3. Check others 1. FUSE Checking continuity of fuse on PCB ASS’ Y. 1) 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 Fig.1 2) Check for continuity using a multimeter as shown in Fig.2. Fuse Fig.2 2.
  • Page 43 9-1.INDOOR OPERATION PROCEDURE PHOTOS 1 Remove the electric joint box parts 1 Take out the 2 screws of the electric joint box cover and remove the electric joint box cover 2 Disconnect all the connectors on the PCB 3 Take out the 4 screws of electric joint box and remove it Screws Electric joint box cover...
  • Page 44 OPERATION PROCEDURE PHOTOS emove the flange parts Screws 1 Take out the 8 screws and remove the inlet flange ass y Take out the 12 screws and remove the outlet flange ass y Inlet flange ass y Screws Outlet flange ass y 4 Remove the base parts Screws 1 Take out the 8 screws and remove...
  • Page 45 OPERATION PROCEDURE PHOTOS Base 2 Base 1 Screws Connecting plate 5 Remove the connecting plate parts 1 Take out 2 screws above the side panel 2 Take out 4 screws on the connecting plate remove the connecting plate 3 Take out 4 screws on the other side panel remove the connecting plate Screws Screws...
  • Page 46 OPERATION PROCEDURE PHOTOS Remove the side panel parts Screws Take out the 2 screws on the side panel remove the fixed plate liquid level detector Screws Take out 3 screws and remove the side panel Dobber switch Side panel Screws Take out 4 screws on the both sides remove the evaporator ass y Evaporator ass y...
  • Page 47 OPERATION PROCEDURE AND PHOTOS 9 Disassemble the air oulet parts Take out 4 screws of the air outlet parts on the both sides and take out 4 nuts on the base and remove the air outlet parts Take out the 3 bolts in the fan ass y respectively Take out 4 screws of every one fan ass y The 3 fan ass y have 12 screws in number Remove the right fan ass y Take out 2 nuts on the support plate remove the support plate and remove the left fan ass y...
  • Page 48 9-2. Outdoor OPERATION PROCEDURE AND PHOTOS 1 Remove the top panel Screws 1) Take out the 8 screws of the top panel and remove the top panel. 2 Take out the 3 screws and remove the right front panel Screws Right front panel 2 Remove the side cover £...
  • Page 49 3 Remove the left front panel 1 Take out the 10 screws of the left front panel. £ © 2 Remove the left front panel £ © Screws Left front panel 4 Remove the side panel and back guard 1 Take out the £...
  • Page 50 5 Remove the electrical control box £® 1 Take out the 3 screws of the electrical box . £ © 2) Disconnect all the wires and plugs in the electrical control box and the other parts. 3 Remove the electrical control box Screws Wires and pligs Electrical box...
  • Page 51 5. Remove the fan ,fan motor and fan supporter . 1 Take out the special nut of the fan and remove the fan. £© 2 Take out the 3 screws of the fan motor and remove the fan motor. £ ©...
  • Page 52 10-1. Indoor 1. Parts...
  • Page 53 2. LIST Key No. Part No. Description Q’ ty RZA-0-2223-001-XX-0 Air outlet parts RZA-0-2362-152-XX-0 Strengthen plate ass’ y RZA-2-2362-155-XX-0 Connecting plate RZA-0-4116-425-XX-0 Evaporator ass’ y RZA-0-2362-151-XX-0 Strengthen plate ass’ y RZA-0-2362-147-XX-0 Strengthen plate ass’ y RZA-0-5319-008-XX-0 Water lever switch RZA-0-2205-002-XX-0 Mounting plate ass’...
  • Page 54 RZA-2-5328-078-XX-0 Gasket RZA-0-5171-286-XX-0 Control board RZA-0-5306-061-XX-1 Terminal panel RZA-2-2397-009-XX-0 Rubber lid RZA-2-2295-001-XX-0 Clamp RZA-2-5315-084-XX-0 Elec joint box cover RZA-0-5304-014-XX-0 Clamp RZA-0-5304-021-XX-0 Clamp RZA-0-2239-023-XX-0 Capacitor 4-2379-124-02-0 Terminal panel RZA-0-5259-091-XX-0 Temperature sensor RZA-2-2362-154-XX-0 Connecting plate RZA-0-5259-106-XX-0 Temperature sensor RZA-0-2287-003-XX-0 Gullet RZA-0-2362-153-XX-0 Strengthen plate ass’ y RZA-2-1109-061-XX-0 Upper board RZA-2-1109-060-XX-0...
  • Page 56 2. Llist Key No. Part No. Description Q'ty RZA-0-1321-003-XX-0 Fan Guard Ass'y RZA-2-1112-004-XX-0 Front Panel RZA-2-2502-001-XX-0 Outside Fan RZA-0-2309-012-XX-0 Top Cover Ass'y RZA-0-2506-003-XX-1 Fan Supporter Ass'y RZA-0-2362-068-XX-0 Fixture Brace Ass'y RZA-0-4102-562-XX-0 Condenser Ass'y RZA-0-5259-091-XX-0 Temperature Sensor RZA-2-2431-005-XX-0 Rubber Block RZA-0-1111-001-XX-2 Back Guard RZA-0-1104-004-XX-0 Right Side Panel Ass'y...
  • Page 57 RZA-0-4525-251-XX-0 4-Way Valve Ass'y RZA-0-4501-088-XX-0 5/8 Valve Ass'y RZA-0-5259-090-XX-0 Temperature Sensor RZA-0-4526-172-XX-0 Compressor Ass'y RZA-2-2476-180-XX-0 Sound Insulation Pad RZA-2-2476-183-XX-0 Sound Insulation Pad RZA-2-2476-181-XX-0 Sound Insulation Pad RZA-2-2476-182-XX-0 Sound Insulation Pad RZA-0-2202-075-XX-0 Partition Support Plate RZA-0-0000-057-XX-1 Fan Motor RZA-0-2202-184-XX-0 Base Ass'y RZA-2-2228-002-XX-0 Drainage Elbow 852-2-2350-111-00-2...

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