Hisense INT01L-4639/CS-74 Service Manual
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Hisense INT01L-4639/CS-74 Service Manual

Hisense INT01L-4639/CS-74 Service Manual

Split type air conditioner
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SERVICE MANUAL

AS-09UR4SGN
Hisense Corporation
第 1／51页

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Summary of Contents for Hisense INT01L-4639/CS-74

  • Page 1: Service Manual

    SERVICE MANUAL AS-09UR4SGN Hisense Corporation 第 1／51页...

  • Page 2: Table Of Contents

    Table of contents Page 1．OPERATING RANGE …………………………………………………………………………….….1 2．SPECIFICATION………………………………………………………………………………….… 2 2-1 Unit specifications ……………………………………………………………… 2-2 Major component specifications ……………………………………………… 2-3 Other component specifications ……………………………………………… 3．OUTLINES AND DIMENSIONS…………………………………………………………..…..…… 6 3-1 INDOOR ……………………………………………………………………… 3-2 OUTDOOR …………………………………………………………………….. 4．REFRIGERANT FLOW DIAGRAM ………………………………………………………..………8 4-1 Refrigerant flow diagram …………………………………………………………………….. 4-2 Evacuation procedures ……………………………………………………………………..

  • Page 3: Operating Range

    N PQ 2-3-5. OVERLOAD PROTECTION ELECTRIC PARAMETER PERFORMANCE Model INT01L-4639/CS-74 Reset temperature( ) 90±5℃ ℃ Trip temperature( ) 120±4℃ ℃ 第 3／51页...

  • Page 4: Unit Specifications

    N PQ 2-1. Unit specifications Model AS-09UR4SGNPQ Function Cooling Heating Power supply a.c 220V~230V/50Hz Capacity 9000 12000 Capacity —－ Dehumidification l /h Air flow Rated current Electrical data MAX. current 10.0 Rated input 0.76 0.88 MAX. input 1.50 1.85 EER/COP 3.42 3.64 MAX.operating...

  • Page 5: Major Component Specifications

    N PQ 2-2. Major component specifications 2-2-1.INDOOR FAN MOTOR ELECTRIC PERFORMANCE PARAMETER Motor model YYW16-4-532 Rated power source 220V 50Hz Phases/Poles Rated load output(W) Rated speed(r/min) Ambient temperature( ) -5℃～+43℃. ℃ 2-2-2 OUTDOOR FAN MOTOR ELECTRIC PARAMETER PERFORMANCE Motor model YDK29-6I Rated power source 220V 50Hz...

  • Page 6: Other Component Specifications

    N PQ 2-3. Other component specifications 2-3-1. INDUCTANCE ELECTRIC PERFORMANCE PARAMETER Inductance model Rated power source Rated Loop winding rated current current(A) Filter winding rated current Rated Loop winding rated inductance - inductance (mH) Filter winding rated inductance - Ambient temperature( ) ℃...
  • Page 7 N PQ 2-3-5. OVERLOAD PROTECTION ELECTRIC PARAMETER PERFORMANCE Model INT01L-4639/CS-74 Reset temperature( ) 90±5℃ ℃ Trip temperature( ) 120±4℃ ℃ 第 7／51页...

  • Page 8: Outlines And Dimensions

    N PQ 3-1. INDOOR 190mm 750mm 65mm 94mm 631mm 23mm 50mm 50mm 3-2.OUTDOOR 第 8／51页...
  • Page 9 N PQ >10cm >25cm >5cm Outlet >40cm 第 9／51页...

  • Page 10: Refrigerant Flow Diagram

    N PQ 4-1. Refrigerant flow diagram ： OUTDOOR INDOOR COMPRESSOR CONDENSER EVAPORATOR desiccator CHECK VALVE ASS'Y CAPILLARY Remark： COOLING CYCLE Remark： HEATING CYCLE 第 10／51页...

  • Page 11: Evacuation Procedures

    N PQ 4-2. Evacuation procedures： 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 the outdoor unit gas pipe. (The stop valve will not work in its initial state fresh out of the factory (totally closed with cap on).

  • Page 12: Evacuation Direction

    N PQ 4-3. Evacuation direction： MAX. REFRIGERANT PIPING LENGTH Refrigerant Piping Piping size (OD) : mm Length of connecting pipe : m Models Max. Length: m Liquid Indoor unit Outdoor unit 6.35 AS 09UR4SGNZA 9 52 MAX. HEIGHT DIFFERENCE Indoor unit Refrigerant piping Max.

  • Page 13: Electric Wiring Diagrams

    N PQ 5-1.Electrical wiring diagrams 1.INDOOR 2.OUTDOOR 第 13／51页...

  • Page 14: Electric Control

    N PQ 5-2. Electric control 1.Indoor control 第 14／51页...
  • Page 15 N PQ 2.Outdoor control 第 15／51页...
  • Page 16 N PQ 第 16／51页...
  • Page 17 N PQ OUT IPM： 第 17／51页...
  • Page 18 N PQ 1. THE PARAMETER OF OUTDOOR COMPRESSOR TEMPERATURE SENSOR: =187.25K±6.3%；R =3.77K±2.5K；B=3979±1%） （R T(℃ ) R(KΩ ) V(v) T(℃ ) R(KΩ ) V(v) T(℃ ) R(KΩ ) V(v) 966.1 0.1014 55.46 1.3252 6.662 3.7507 910.3 0.1075 53.11 1.3678 6.446 3.7813 0.1139 50.86 1.4112...
  • Page 19 N PQ 2. THE PARAMETER OF THE COIL AND INDOOR AND OUTDOOR SENSOR： （R =15K±2%； B=3450±2%） T(℃) R(KΩ) V(v) T(℃) R(KΩ) V(v) T(℃) R(KΩ) V(v) 67.94 0.3235 6.962 2.0151 1.297 3.9186 64.25 0.3408 6.688 2.0636 1.258 3.9443 60.79 0.3588 6.427 2.1120 1.22 3.9696...
  • Page 21 N PQ operation is irrelevant with room temperatures. 3.1.3 If a remote signal has been received during the emergency run, the machine will operate upon the command of such a remote signal. 3.2 Operator-machine communication 3.2.1 The air conditioner has a thermal sensor to detect room temperatures. Some remote controller is equipped with a thermal sensor (Such remote controller has the function of man-machine communication.
  • Page 22 N PQ also cancel the sleep function. 3.4.4 The sleep function is valid for 8 hours. The air conditioner will turns off and cancel the sleep function after the sleep function works for 8 hours. 3.5High efficient run function In the heating (except for the single cooling unit), cooling or dehumidifying mode, it may be set for high efficient run with the indoor fan speed changed to the high efficient fan speed and the compressor operating at the highest frequency as available.
  • Page 23 N PQ ambient Cooling mode Heating mode Cooling mode 3.6.2 Cooling→heating turnover operation Cooling→heating: the compressor stops; 50 s later the 4-way valve is activated and 3 minutes more the compressor turns on. Heating→cooling: the compressor stops, 50 s later the 4-way valve is interrupted and 3 minutes more the compressor turns on.
  • Page 24 N PQ 3.7.4 Prevention against condensation and insufficient heat exchange at the low indoor fan speed. When the indoor fan speed is set at the low fan speed, the compressor’s power is restricted as in the low temperature cooling. 3.7.5 4-way valve State: It is interrupted in cooling.
  • Page 25 N PQ C <T <4 Medium room ≥4 High room 3.8.3 Cold air prevention In the heating-run, to prevent the indoor fan from blowing cold air, the indoor fan speed is different from the set speed after turning on air-conditioner. 3.8.4 Residual heat blowing off When the compressor is turned off in the heating run, the indoor fan does not stop at once, but until the indoor evaporator temperature is below 23...
  • Page 26 N PQ Indoor Ambient Temperature Tset Time Dehumidifying area I: Operation at the frequency in the range (30 – 80 Hz) according to Δt (T indoor ambient Δt(℃) f(Hz) ≥2 Efficient Dehumidifying area II: The compressor stops for 5 minutes and operat es for 5 minutes at the lowest frequency.
  • Page 27 N PQ compressor’s current operating frequency. Ο: flashing ×: OFF Symbols for indicator light:: ★: ON The cause of the restriction on the compressor’s current operating LED1 LED2 LED3 frequency Ο Ο Ο Normal frequency ascent and descent with no restriction on the frequency ×...

  • Page 28: Troubleshooting

    N PQ 7-1. Trouble alarm Trouble List Indication on the outdoor unit When the compressor is interrupted, the outdoor LEDs are used to indicate the troubles listed below: Symbols for indicator lights: ★: ON Ο: flashing ×: OFF LED1 LED2 LED3 Troubles Normal ×...
  • Page 29 N PQ IPM module protection Over and under-voltage control Room temperature sensor in trouble Communication trouble Indoor coil temperature sensor in trouble Current overload control Communication between the indoor and outdoor in trouble Maximum current control Indoor fan motor operation abnormal 4-way valve changeover Grid protection alarm (cabinet...

  • Page 30: Service Flow Chart

    N PQ 7-2. Service flow chart Switch on the power supply Does it receive the Start up self-test remote controller Does DLED screen function signal? display normally? Check the result remote fuse(F01, controller in good 3.15A/250V) blown? Replace the battery press condition ACL button.
  • Page 31 N PQ Error code 33 Take from Indoor temperature ,Measure sensor resistance of thermistor Does the resistance of thermistor have Replace characteristics indoor pcb board Error code 34 on part 6-3 Take from Indoor Coil sensor ,Meaure trouble resistance of thermistor Replace Does the unit exit hot thermistor...
  • Page 32 N PQ Error code 39 Indoor fan motor trouble Set the air conditioner operate in fan mode Check the connector of Does fan motor stop with the Is indoor fan motor running? indoor motor remote controller Does the socket CN1(1-3) of Indoor control board faulty indoor control board and replace it...
  • Page 33 G NPQ Error code 36 Communication trouble Connect the indoor and Are all the lead wires connected outdoor unit again according between indoor and outdoor unit? Display board fault, to the wiring diagram replace it Is there power output between indoor T/B 1 and 2 AC220V? Indoor control Indoor control board...

  • Page 34: Checking Components

    N PQ 8-1. Check refrigerant system TEST SYSTEM FLOW Conditions: Compressor is running. ① ② The air condition should be installed in good ventilation. Tool: Pressure Gauge Technique: feel test ① ② ③ SEE---Tube defrost. FEEL---The difference tube temperature. TEST--- Test pressure. cooling run heating run Outdoor unit...
  • Page 35 N PQ Cooling mode Test system The pressure on the pressure.Does the low high side. pressure normal at service part ? Recharge refrigerant after air purging with If the pressure is The pressure on the the vacuum close to static low side.

  • Page 36: Check Parts Unit

    N PQ 8-2.Check parts unit 1. INDOOR FAN MOTOR .MOTOR EXAMINE AND REPAIR Circuit diagram BROWN BLACK WINDING BLACK M The main winding " " A The auxiliar y winding " " YELLOW Vout WHITE Capacitor Hot protector 100 ℃ Test in resistance.
  • Page 37 N PQ 3. COMPRESSOR 1.Coil Resistance::0.71Ω(at 20 ) ℃ 2.COMPRESSOR EXAMINE AND REPAIR. OVERLOAD PROTECTION INVERTER POWER & CONTROLLER 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 trouble: 1)Compressor motor lock.
  • Page 38 N PQ 2 7mH 2 0M 0 5W Ω / . AC 220V Test in resistance. TOOL: Multimeter. Test the resistance of “LOAD”port. The filter is fault if the resistance of winding 0(short circuit)or∞（open circuit） 7. STEPPER MOTOR Test in resistance. TOOL: Multimeter.
  • Page 39 N PQ Fuse Fig.2 2.CAPACITOR Remove the lead wires from the capacitor terminals, and then place a probe on the capacitor terminals as shown in Fig.3.Observe the deflection of the pointer, setting the resistance measuring range of the multimeter to the maximum value. The capacitor is “good”...
  • Page 40 N PQ 9-1.INDOOR OPERATION PROCEDURE AND PHOTOS 1． Remove the installation plate Iinstallation plate Take out the screw of the installation plate and remove the installation plate. Screw 2 Remove the mounting plate Take out the mounting plate . Mounting plate 3 Remove the front panel ASS Y 1 Hold the both sides of the front panel and drag it towards oneself and remove it.
  • Page 41 N PQ 4 Take out the 4 screws of the grille and remove the grille. ） grille and remove the grille. Screws Remove the electrical control box ． the electrical cover 1 Take out the screw of the electrical cover and remove it. ）...
  • Page 42 N PQ then remove the evaporator. Evaporator. 6 remove the indoor cross flow fan and fan motor 1 Take out the 2 screws of the cover and remove the cover of the bearing housing. Bearing housing Screws Cover 2 Take out the 3 screws of the motor cover and remove the motor cover. Take out the 1 special screw connecting the cross-flow fan. Cover Screws Special screw...
  • Page 43 N PQ 9-2. Outdoor OPERATION PROCEDURE AND PHOTOS 1 Remove the top panel the front panel ． 1 Take out the screws of the top panel and remove the top panel. ） Top panel Screws 2 Remove the front panel Front panel 1) Take out the 9 screws of the front panel and remove the panel.

  • Page 44: Disassembly Instructions

    N PQ 3 Take out the 8 screws of the side panel. ） Back guard Screws Side panel 4 Remove the side panel. ） 4．Remove the electrical control box 1 Take out the 1 screw of the electrical box cover and remove it. ）...
  • Page 45 N PQ 3 Take out the 1 screw of the electrical control box and remove electrical control box. ） Screw 5. Remove the fan ,fan motor and fan supportor . 1 Take out the special nut of the fan and remove the fan. ）...
  • Page 46 N PQ 4 Remove the partition plate and cover 5 Take out the 3 screws of cover . Remove the partition . Partition Cover Screws 7 Remove the inductance at the base 5 Take out the screws of cover Remove the inductance . Screws Inductance Base...

  • Page 47: Parts List

    10-1.Indoor 1. Parts 1 7 1 1 7 4 1 7 3 1 7 2 2. LIST Key No. Part No. Code Description Q’ty name Front Panel Front Panel RZA-0-2307-006-01-0 1203049 Air Filter Ass’y grill Ass'y...
  • Page 48 RZA-2-2369-067-XX-0 Left Down Cover 1203645 Right Down Cover RZA-2-2369-068-XX-0 1203646 Evaporator Ass’y RZA-0-4116-313-XX-1 1205665 Evaporator bracket RZA-2-2219-043-XX-0 1203331 RZA-2-2514-113-XX-0 1203664 Motor Cover Indoor temp Sensor RZA-0-5259-080-XX-0 1202893 Ass’y RZA-0-5259-105-XX-0 1201218 Coil Sensor Ass’y RZA-0-2510-106-XX-1 Bearing Ass’y 1203072 RZA-2-2509-123-01-0 Cross-Flow Fan Ass’y 1203264 RZA-0-0000-143-XX-0 Fan motor Ass’y...

  • Page 49: Outdoor

    10-2. Outdoor 1. Parts...
  • Page 50 2. LIST PART NAME PART NO. Q'TY Code name FAN GUARD 852-2-1321-156-02-0 1203681 FRONT PANEL RZA-2-1112-024-XX-0 1203959 PROPELLOR FAN 1203264 RZA-2-2509-123-01-0 FAN MOTOR ASSY RZA-0-0000-043-XX-0 1206041 FAN SUPPORTER RZA-2-2354-031-XX-0 1203315 STRENGTHEN PANEL ASS’Y RZA-0-2208-036-XX-0 1203761 CONDENSER ASSY RZA-0-4102-631-XX-0 1306312 BACK GUARD RZA-2-1111-014-XX-0 1203577 SIDE PANEL ASSY...
  • Page 51 NOISE DEFENING COVER(4) 1304957 RZA-2-2476-200-XX-0 COMPRESSOR ASSY 1319474 K37210044 DRAINAGE HOSE 1204014 852-2-2228-132-02-0 BASE ASSY 1203756 RZA-0-2202-179-XX-0...

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