Electra ELSI-JKD009-N11 Service Manual
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Electra ELSI-JKD009-N11 Service Manual

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JKD Indoor Units
KBD Indoor Units QAD Indoor Units OCD Indoor Units
ELSI-JKD009-N11
ELSI-KBD012-N11 ELSI-QAD012-N11 ELSI-OCD012-N11 ELAU-VCZ327-H11
ELSI-JKD012-N11
ELSI-JKD018-N11
REFRIGERANT
REFRIGERANT
REFRIGERANT
R410A
SM VCZ DCI 1-A.1 GB
Multi Splits Series
Outdoor Units
ELAU-VCZ218-H11
ELAU-VCZ430-H11
ELAU-VCZ536-H11
HEATPUMP
March 2016

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Summary of Contents for Electra ELSI-JKD009-N11

  • Page 1 Multi Splits Series JKD Indoor Units KBD Indoor Units QAD Indoor Units OCD Indoor Units Outdoor Units ELSI-JKD009-N11 ELAU-VCZ218-H11 ELSI-KBD012-N11 ELSI-QAD012-N11 ELSI-OCD012-N11 ELAU-VCZ327-H11 ELSI-JKD012-N11 ELSI-JKD018-N11 ELAU-VCZ430-H11 ELAU-VCZ536-H11 REFRIGERANT REFRIGERANT REFRIGERANT R410A HEATPUMP SM VCZ DCI 1-A.1 GB March 2016...
  • Page 2 Contents Part 1 General Information ....................1 Part 2 Indoor Units ....................... 11 Part 3 Outdoor Units ......................46 Part 4 Installation ........................68 Part 5 Electrical Control System ..................79 ※The specifications, designs, and information in this book are subject to change without notice for product improvement.

  • Page 3: Table Of Contents

    General Information Part 1 General Information 1. Model Lists ................2 2. External Appearance ............3 2.1 Indoor Units ................. 3 2.2 Outdoor Units ................3 3. Product specification ............4 General Information...

  • Page 4: Model Lists

    Model Lists 1. Model Lists 1.1 Indoor Units Cooling & Heating Indoor units type Indoor units model Capacity(Btu/h) Power supply 9000 220-240V 50Hz 1Ph ELSI-JKD009-N11 JKD indoor 12000 220-240V 50Hz 1Ph ELSI-JKD012-N11 18000 220-240V 50Hz 1Ph ELSI-JKD018-N11 Four-way cassette(compact) ELSI-KBD012-N11...

  • Page 5: External Appearance

    External Appearance 2. External Appearance 2.1 Indoor Units Duct Four-way cassette(Compact) Console 2.2 Outdoor Units General Information...

  • Page 6: Product Specification

    Product specification 3. Product specification Model Outdoor Unit ELAU-VCZ218-H11 Installation Method of Pipe 2 x ELSI-JKD009-N11 Installation Method of Pipe Flared Heating Characteristics Units Cooling Average Capacity Pdesign SEER / SCOP Energy efficiency class Annual energy consumption 2063 Tbiv Power supply...
  • Page 7 Product specification Model Outdoor Unit ELAU-VCZ327-H11 Installation Method of Pipe 3 x ELSI-JKD009-N11 Installation Method of Pipe Flared Heating Characteristics Units Cooling Average Capacity Pdesign SEER / SCOP Energy efficiency class Annual energy consumption 2947 Tbiv Power supply V/Ph/Hz 220-240V/Single/50Hz...
  • Page 8 Product specification ELAU-VCZ430-H11 Model Outdoor Unit Installation Method of Pipe 4 x ELSI-JKD009-N11 Installation Method of Pipe Flared Heating Characteristics Units Cooling Average Capacity Pdesign SEER / SCOP Energy efficiency class Annual energy consumption 3021 Tbiv Power supply V/Ph/Hz 220-240V/Single/50Hz...
  • Page 9 Product specification ELAU-VCZ536-H11 Model Outdoor Unit Installation Method of Pipe 5 x ELSI-JKD009-N11 Installation Method of Pipe Flared Heating Characteristics Units Cooling Average Capacity 10.5 11.5 Pdesign 10.5 10.5 SEER / SCOP Energy efficiency class Annual energy consumption 3868 Tbiv...
  • Page 10 Product specification Model Indoor Unit ELSI-JKD009-N11 ELSI-JKD012-N11 Flared Installation Method of Pipe Flared Characteristics Units Cooling Heating Cooling Heating Capacity (4) 2.65(1.2-3.3) 2.8(0.85-3.7) 3.54(1.3-4.4) 3.5(1.2-4.8) 220-240 220-240 Power supply Crossflow x 1 Fan type & quantity Crossflow x 1 Cooling...
  • Page 11 Product specification Model Indoor Unit ELSI-QAD012-N11 ELSI-OCD012-N11 Installation Method of Pipe Flared Flared Characteristics Units Cooling Heating Cooling Heating Capacity (4) 220-240 220-240 Power supply Fan type & quantity Centrifugal fan x1 Centrifugal fan x2 Cooling H/M/L/VL 810/780/680/530 1200/1070/1000 Fan speeds Heating H/M/L/VL 810/780/680/530...
  • Page 12 Product specification Model Indoor Unit ELSI-KBD012-N11 Installation Method of Pipe Flared Characteristics Units Cooling Heating Capacity (4) 220-240 Power supply Fan type & quantity Centrifugal fan x1 Cooling H/M/L/VL 830/720/660 Fan speeds Heating H/M/L/VL 830/720/660 Air flow (1) H/M/L/VL m3/hr 800/710/560 External static pressure Sound power level (2)

  • Page 13: Part 2 Indoor Units

    Indoor Units Part 2 Indoor Units JKD Type ................12 Light Commercial ..............22 Indoor Units...

  • Page 14: Jkd Type

    JKD Type JKD Type 1. Function ................13 2. Dimensions ..............14 3. Wiring Diagrams ............. 15 4. Exploded View and Spare Part list ........ 16 Indoor Units...

  • Page 15: Function

    Function 1. Function 2 ways of drainage Filter Killer Of Formaldehyde Louver Position Memory Function Ionizer(O) Refrigerant Leakage Detect Silver Ico Filter(O) Self-diag. Function Vitamin C Filter(O) ydrophilic Aluminum Fin 3M HAM Filter(O) PTC Heating Belt(O) Bio Filter(O) Golden Fin(O) 1W Standby O: optional function Indoor Units...

  • Page 16: Dimensions

    Dimensions 2. Dimensions Model ELSI-JKD009-N11 ELSI-JKD012-N11 ELSI-JKD018-N11 Dimension of installation Model L(mm) R(mm) H(mm) hole(mm) ELSI-JKD009-N11 ￠65 ELSI-JKD012-N11 ELSI-JKD018-N11 Indoor Units...

  • Page 17: Wiring Diagrams

    Wiring Diagrams 3. Wiring Diagrams ELSI-JKD009-N11, ELSI-JKD012-N11, ELSI-JKD018-N11 Indoor Units...

  • Page 18: Exploded View And Spare Part List

    Exploded View and Spare Part list 4. Exploded View and Spare Part list Exploded View of indoor unit: ELSI-JKD009-N11 Indoor Units...

  • Page 19: Elsi-Jkd009-N11

    Exploded View and Spare Part list Spare part list of indoor unit: ELSI-JKD009-N11 BOM Code Part Name Quantity 12122000001640 Panel assembly 12100204000673 Filter 17222000A01019 Structure Subassembly of Display Box 17122000A02292 VLED Display Module 12122000006694 E-Parts Cover Plate 12122000001883 frame assembly...

  • Page 20: Elsi-Jkd012-N11

    Exploded View and Spare Part list Exploded View of indoor unit: ELSI-JKD012-N11 Indoor Units...
  • Page 21 Exploded View and Spare Part list Spare part list of indoor unit: ELSI-JKD012-N11 BOM Code Part Name Quantity 12122000A01035 Panel assembly 17222000A01019 Structure Subassembly of Display Box 17122000A02292 VLED Display Module 12122000006694 E-Parts Cover Plate 12122000001749 frame assembly 12122000006272 Screw Cap 12100501000021 Drain Hose 15500406000016...

  • Page 22: Elsi-Jkd018-N11

    Exploded View and Spare Part list Exploded View of indoor unit: ELSI-JKD018-N11 Indoor Units...
  • Page 23 Exploded View and Spare Part list Spare part list of indoor unit: ELSI-JKD018-N11 BOM Code Part Name Quantity 12122000001346 Panel assembly 12100204000667 Filter 17222000A01019 Structure Subassembly of Display Box 17122000A02292 VLED Display Module 12122000006694 E-Parts Cover Plate 12122000001747 Panel frame assembly 12122000006272 Screw Cap 12100501000021...

  • Page 24: Light Commercial

    Light Commercial Light Commercial 1. Features ................23 2. Dimensions ..............32 3. Service Space(unit:mm) ..........35 4. Wiring Diagrams ............. 37 5. Exploded View and Spare Part list ........ 40 Indoor Units...

  • Page 25: Features

    Features Features 1.1 Four-way cassette type(compact) ⑴ New panel  360° surrounding air outlet design, affords comfortable feeling ⑵ Compact design  The body size is 570×260×570mm, it’s just smaller than the ceiling board, so it’s very easy for installation and will not damage the decoration. The panel size is 647×50×647mm. ...
  • Page 26 Features ⑶ Electric control box built-in design  The E-box is simply and safely built inside the indoor unit. It’s convenient for installation and maintenance. Can check the control part easily, you only need to open the air return grille. ⑷...
  • Page 27 Features Fresh Dimension:Φ75mm ⑸ Air passage function  Reserves the space for air outlet from the side of indoor unit; It’s availed to connect air duct from the two sides to the nearby small rooms. Light Commercial...
  • Page 28 Features 1.2 A5 Duct ⑴ Installation accessories: (Optional)  Front Board, Canvas Air Passage, Filter, Panel, for easy installation Front Board Canvas Air Passage Filter Panel ⑵ Easy Installation: Two air inlet styles (Bottom side or Rear side)  Air inlet from rear is standard for all capacity; air inlet from bottom is optional. ...
  • Page 29 Features ⑷ Easy maintenance  Clean the filter (Optional, standard product without filter) It is easy to draw out the filter from the indoor unit for cleaning, even the filter is installed in rear side or bottom side.  Replace the motor or centrifugal fan Remove the ventilated panel firstly.
  • Page 30 Features Motor Blower Housing Ventilated Panel ⑸ Reserved remote on-off and central control ports  Reserved remote on-off ports and central control ports, can connect the cable of an on-off controller or a central controller to realize remote on-off control function or group control function. Remote on-off ports Central control ports ⑹...
  • Page 31 Features ⑺ Built-in display board  The standard indoor unit can be controlled by wired controller.  There is a display board with a receiver in the E-box. Move out the display, and fix it in other place, even in the distance of 10m. The unit will realized remoter control. ...
  • Page 32 Features Display 1.3 Console (1) Consumes up to 30% less energy than non-inverter units ——DC inverter compressor ——indoor fan motor adopts DC motor (2) Achieves set temperature more quickly ——air supplying from top and bottom or from top only ——air inlet from four directions Indoor Units...
  • Page 33 Features (3) Compact unit body, space saving ——this unit body is very thin and harmonious with room. It is beautiful, elegant and space saving. ——lightweight and compact. (4) Flexible installation. ——can be used for floor standing or lower wall applications ——as a floor standing floor model, it can be semi or fully recessed without loss of capacity.

  • Page 34: Dimensions

    Dimensions Dimensions 2.1 Four-way cassette type(compact): 2.2 A5 Duct Indoor Units...
  • Page 35 Dimensions Size of outline dimension Outline dimension(mm) Air outlet opening size Air return opening size mounted plug Model ELSI-OCD012-N11 2.3 Console Light Commercial...
  • Page 36 Dimensions Indoor Units...

  • Page 37: Service Space(Unit:mm)

    Service Space(unit:mm) Service Space(unit:mm) 3.1 Four-way cassette(compact) 3.2 A5 Duct Ensure enough space required for installation and maintenance . All the indoor units reserve the hole to joint the fresh air pipe. The hole size as following: Light Commercial...
  • Page 38 Service Space(unit:mm) 3.3 Console Indoor Units...

  • Page 39: Wiring Diagrams

    Wiring Diagrams Wiring Diagrams ELSI-KBD012-N11(7SP042243) Alarm Fresh Air Remote RCW8(Optional) Output Address Control S1(1-2) (Central control) OFF-OFF 0-15(Default=0) ON-OFF 16-31 RCW6 (Optional) OFF-ON 32-47 ON-ON 48-63 SW1-1 SW1-2 Anti Cold Air Setting ALARM Fan OFF when ICT<24(Default) Fan OFF when ICT<15 CN15 Fan OFF when ICT<8 CN33...
  • Page 40 Wiring Diagrams ELSI-OCD012-N11 ELSI-QAD012-N11 Indoor Units...
  • Page 41 Wiring Diagrams Light Commercial...

  • Page 42: Exploded View And Spare Part List

    Exploded View and Spare Part list 1. Exploded View and Spare Part list Exploded View of indoor unit:ELSI-KBD012-N11 Indoor Units...
  • Page 43 Exploded View and Spare Part list Spare part list of indoor unit:ELSI-KBD012-N11 BOM Code Part Name Quantity 12822500000017 Water receiver assembly 12122500000022 Line pressing box 15822500A00260 Evaporator assembly Gas valve assembly 15822500000173 Evaporator 15500406000010 Brass Nut 15122500000648 Outlet Pipes of Evaporator 15122500000277 Input pipes of Evaporator assembly Joint board of Evaporator...
  • Page 44 Exploded View and Spare Part list Exploded View of indoor unit: ELSI-OCD012-N11 Indoor Units...
  • Page 45 Exploded View and Spare Part list Spare part list of indoor unit: ELSI-OCD012-N11 BOM Code Part Name Quantity 201285190014 Chassis assembly 201185190001 Up volute shell 201100100809 Centrifugal fan 201185190002 Below volute shell 201280200005 Fan motor axes clamp (left) 201252490002 Fan motor fixing board 201280200006 Fan motor axes clamp (right) 202400300053...
  • Page 46 Exploded View and Spare Part list Exploded View of indoor unit:ELSI-QAD012-N11 Indoor Units...
  • Page 47 Exploded View and Spare Part list Spare part list of indoor unit:ELSI-QAD012-N11 BOM Code Part Name Quantity 2011440A0001 Panel assembly 201144090002 Air filter 201144090022 Panel frame assembly 201544090014 Evaporator assembly 202301310085 Pipe temperature sensor assembly 201144090030 Ventilation assembly 201144090016 Chassis assembly 201244090009 Hang board assembly 201131410703...

  • Page 48: Part 3 Outdoor Units

    Outdoor Units Part 3 Outdoor Units 1. Dimensions ..............47 2. Service Space ..............51 3. Refrigeration Cycle Diagram.......... 52 4. Wiring Diagrams ............. 54 5. Indoor units combination ..........56 6. Operation Limits .............. 57 7. Sound Levels ..............58 8.
  • Page 49 Dimensions 1. Dimensions ELSI-QAD012-N11 200.7 D1 335 560 W1 D2 360 845 W Outdoor Units...
  • Page 50 Dimensions ELAU-VCZ327-H11 238.4 590 W1 D1 333 900 W D2 355 Outdoor Units...
  • Page 51 Dimensions ELAU-VCZ430-H11 238.4 D1 333 590 W1 D2 355 900 W Outdoor Units...
  • Page 52 Dimensions ELAU-VCZ536-H11 Outdoor Units...
  • Page 53 Service Spa 2. Service Space (Wall or obstacle) More than 30cm Air inlet More than 60cm More than 30cm Maintain channel Air inlet More than 60cm Air outlet More than 200cm Outdoor Units...

  • Page 54: Refrigeration Cycle Diagram

    Refrigeration Cycle Diagram 3. Refrigeration Cycle Diagram 3.1 Refrigeration cycle diagram of inverter 1 drive 2 type INDOOR OUTDOOR EXV A CAPILIARY A LIQUID VALVE A CHECK VALVE EXV B CAPILIARY B LIQUID VALVE B Condenser temp. sensor CAPILIARY TUBE HEAT HEAT EXCHANGE...

  • Page 55: Cycle Diagram

    Refrigeration Cycle Diagram INDOOR OUTDOOR EXV A CAPILIARY A LIQUID VALVE A EXV B CAPILIARY B LIQUID VALVE B CHECK VALVE EXV C CAPILIARY C LIQUID VALVE C Condenser temp. sensor EXV D CAPILIARY D CAPILIARY TUBE LIQUID VALVE D HEAT HEAT EXCHANGE...
  • Page 56 Wiring Diagrams 4. Wiring Diagrams ELAU-VCZ218-H11 ELAU-VCZ327-H11 Outdoor Units...
  • Page 57 Wiring Diagr ELAU-VCZ430-H11 ELAU-VCZ536-H11 Outdoor Units...

  • Page 58: Indoor Units Combination

    Indoor units combination 5. Indoor units combination 5.1 Indoor unit combination for ELAU-VCZ218-H11 ELAU-VCZ218-H11 Two IDU 9+12 9+18 12+12 5.2 Indoor unit combination for ELAU-VCZ327-H11 ELAU-VCZ327-H11 Two IDU Three IDU 9+18 9+9+9 9+12+12 12+18 9+9+12 9+12+18 18+18 9+9+18 12+12+12 5.3 Indoor unit combination for ELAU-VCZ430-H11 ELAU-VCZ430-H11 Two IDU Three IDU...

  • Page 59: Operation Limits

    Operation Li mits 6. Operation Limits Temperature Cooling operation Heating operation Mode ≤30℃ ≥17℃ Room temperature 0℃～50℃ -15℃～50℃ Outdoor temperature -15℃～24℃ (For the models with low temperature cooling system) CAUTION: 1. If the air conditioner is used beyond the above conditions, certain safety protection features may come into operation and cause the unit to operate abnormally.

  • Page 60: Sound Levels

    Sound Levels 7. Sound Levels Outdoor Unit Microphone 1.0m Note: H= 0.5 × height of outdoor unit Model Noise Power dB(A) Noise level dB(A) ELAU-VCZ218-H11 ELAU-VCZ327-H11 ELAU-VCZ430-H11 ELAU-VCZ536-H11 Outdoor Units...
  • Page 61 Exploded Vi ew and Spare Part list 8. Exploded View and Spare Part list Exploded View of outdoor unit: ELAU-VCZ218-H11 Outdoor Units...
  • Page 62 Exploded View and Spare Part list Spare part list of outdoor unit: ELAU-VCZ218-H11 Part Name BOM Code Part Name BOM Code Ambient temperature Partition board 202301310075 201257190118 sensor assembly assembly Electronic control box Rear net 2011481G0001 203357090061 assembly Cover of electronic Condenser assembly 201537990084 20.1...
  • Page 63 Exploded Vi ew and Spare Part list Exploded View of outdoor unit: ELAU-VCZ327-H11 Outdoor Units...
  • Page 64 Exploded View and Spare Part list Spare part list of outdoor unit: ELAU-VCZ327-H11 Part Name BOM Code Part Name BOM Code Ambient temperature 202301310075 20.5 Radiator 202301901173 sensor assembly Terminal board Rear net 2011482G0001 203357190096 assembly Condenser assembly 201557190037 21.1 Wire joint 202301450156 Pipe...
  • Page 65 Exploded Vi ew and Spare Part list Exploded View of outdoor unit: ELAU-VCZ430-H11 Outdoor Units...
  • Page 66 Exploded View and Spare Part list Spare part list of outdoor unit: ELAU-VCZ430-H11 Part Name BOM Code Part Name BOM Code Ambient temperature 202301310069 21.2 Terminal board 201257190120 sensor assembly Rear net 2011482G0001 Liquid valve assembly 201657190352 Condenser assembly 201557190037 22.1 Liquid valve 201600740091...
  • Page 67 Exploded View and Spare Part list Exploded View of outdoor unit: ELAU-VCZ536-H11 Outdoor Units...
  • Page 68 Exploded Vi ew and Spare Part list Spare part list of outdoor unit: ELAU-VCZ536-H11 Part Name BOM Code Part Name BOM Code Electronic installing Rear net 2011487G0001 21.7 201257190055 box assembly Ambient temperature Active PFC Module 202301310075 21.8 201319901145 sensor assembly Subassembly Condenser assembly 201557190043...
  • Page 69 Installation Part 4 Installation 1.Wrench torque sheet for installation ........... 69 2.Connecting the cables ................69 3.Pipe length and the elevation ............... 69 4 Installation for the first time ..............71 5 Adding the refrigerant after running the system for many years ..74 6 Re-installation while the indoor unit need to be repaired ....

  • Page 70: Wrench Torque Sheet For Installation

    Wrench torque sheet for installation Wrench torque sheet for installation Outside diameter Torque Additional tightening torque N.cm N.cm Ф6.35 1500(153kgf.cm) 1600(163kgf.cm) Ф9.52 2500(255kgf.cm) 2600(265kgf.cm) Ф12.7 3500(357kgf.cm) 3600(367kgf.cm) 2. Connecting the cables The power cord of connect should be selected according to the following specifications sheet. Rated current of appliance Nominal cross-sectional area (mm²...
  • Page 71 Pipe length and the elevation Indoor unit Extension pipe diameter (mm/inch) Model Pipe diameter (mm/inch) Liquid 6.35(1/4) Liquid 6.35(1/4) 7K9K12K 9.52(3/8) 9.52(3/8) Liquid 6.35(1/4) Liquid 6.35(1/4) 12.7(1/2) 12.7(1/2) Outdoor unit union diameter (mm/inch) Liquid 6.35(1/4) Indoor unit A/B/C/D 9.52(3/8) Installation...

  • Page 72: Installation For The First Time

    Installation for the first time 4. Installation for the first time Air and moisture in the refrigerant system have undesirable effects as below: ● Pressure in the system rises. ● Operating current rises. ● Cooling or heating efficiency drops. ● Moisture in the refrigerant circuit may freeze and block capillary tubing. ●...
  • Page 73 Installation for the first time coming out, then tighten the flare nut again. Make sure the pressure display in the pressure indicator is a little higher than the atmosphere pressure. Then remove the charge hose from the 3 way valve. 8) Fully open the 2 way valve and 3 way valve and securely tighten the cap of the 3 way valve.
  • Page 74 Installation for the first time Be sure to use a torque wrench to tighten the service port cap to a torque 18N· m. Be sure to check the gas leakage. 4.3. Adding the refrigerant if the pipe length >5m Electronic scale Procedure: 1).

  • Page 75: Adding The Refrigerant After Running The System For Many Years

    Adding the refrigerant after running the system for many years 5. Adding the refrigerant after running the system for many years Electronic scale Procedure: 1). Connect the charge hose to the 3-way service port, open the 2-way valve and the 3-way valve. Connect the charge hose to the valve at the bottom of the cylinder.

  • Page 76: Re-Installation While The Indoor Unit Need To Be Repaired

    Re-installation while the indoor unit need to be repaired 6. Re-installation while the indoor unit need to be repaired 6.1. Collecting the refrigerant into the outdoor unit Procedure 1). Confirm that both the 2-way and 3-way valves are set to the opened position Remove the valve stem caps and confirm that the valve stems are in the opened position.
  • Page 77 Re-installation while the indoor unit need to be repaired 6.2. Air purging by the refrigerant Procedure: 1). Confirm that both the 2-way and 3-way valves are set to the closed position. 2). Connect the charge set and a charging cylinder to the service port of the 3-way valve Leave the valve on the charging cylinder closed.

  • Page 78: Re-Installation While The Outdoor Unit Need To Be Repaired

    Re-installation while the outdoor unit need to be repaired Be sure to check the gas leakage. 7. Re-installation while the outdoor unit need to be repaired 7.1. Evacuation for the whole system Procedure: 1). Confirm that both the 2-way and 3-way valves are set to the opened position. 2).
  • Page 79 Re-installation while the outdoor unit need to be repaired 7.2. Refrigerant charging Procedure: 1). Connect the charge hose to the charging cylinder, open the 2-way valve and the 3-way valve Connect the charge hose which you disconnected from the vacuum pump to the valve at the bottom of the cylinder.
  • Page 80 Electrical Control System Part 5 Electrical Control System 1. Electrical Control Function ........... 80 2. Troubleshooting ............. 94 Electrical Control System...

  • Page 81: Part 5 Electrical Control System

    If the unit runs in heating mode, the indoor fan will be also controlled by anti-cold wind function. 1.2.5 Fan speed is out of control(Excluding ELSI-JKD009-N11) When indoor fan speed keeps too low for certain time, the unit will stop and the LED will display the failure.

  • Page 82: Operation Modes And Functions

    Electrical Control Function COOL_F6 ICOOLLMT2 COOL_F5 ICOOLLMT1 If the current frequency is lower than COOL_F4, the frequency will not be limited. After 10s of the compressor start, if the current>ICOOL, the AC will display the failure for 30 seconds and stop. The AC will restart 3 minutes later.
  • Page 83 Electrical Control Function High Medium For JKD,HND, Console T1-24 (H-L)*0.75+L (H-L)*0.5+L (H-L)*0.25+L 1.3.2 Cooling Mode 1.3.2.1 Compressor running rules The compressor will run at corresponding frequency according to the gross amendatory capacity demand. …… Frequency COOL_F0 COOL_F1 COOL_F2 COOL_F15 COOL_F16 ……...
  • Page 84 Electrical Control Function DC_FAN_HI_SPD_ADD 28℃ 26℃ DC_FAN_MID_SPD_ADD 25℃ 23℃ DC_FAN_MIN_SPD_ADD 22℃ 20℃ DC_FAN_SLOW_SPD_ADD 19℃ 17℃ DC_FAN_SSLOW_SPD_ADD 1.3.2.3 Indoor fan running rules For Cassette、A5 In cooling mode, indoor fan runs all the time and the speed can be selected as high, medium, low and auto. The auto fan: High Medium...
  • Page 85 Electrical Control Function The auto fan acts as below rules: T1-Ts (H-L)*0.75+L (H-L)*0.5+L (H-L)*0.25+L 1.3.2.4 Condenser temperature protection When T3>65℃ for 3 seconds, the compressor will stop while the indoor fan and outdoor fan will continue. When T3<52℃, the protection will release and the compressor will restart after 3 minutes. 1.3.2.5 Evaporator low temperature protection When T2B<0℃...
  • Page 86 Electrical Control Function DC_FAN_SSLOW_SPD_ADD 21℃ 19℃ DC_FAN_SLOW_SPD_ADD 18℃ 16℃ DC_FAN_MIN_SPD_ADD 15℃ 13℃ DC_FAN_MID_SPD_ADD 12℃ 10℃ DC_FAN_HI_SPD_ADD 1.3.3.3 Indoor fan running rules: For JKD,HND, Console In heating mode, indoor fan can be selected as high, medium, low, auto and silent. The anti-cold-wind function has the priority.
  • Page 87 Electrical Control Function T1-Ts+ΔT -1.0 (H+-L)*0.2+L -2.0 (H+-L)*0.4+L -3.0 (H+-L)*0.6+L -4.0 (H+-L)*0.6+L -5.0 -6.0 (H+-L)*0.8+L -6.5 For Cassette & Duct: When the compressor is on, the indoor fan can be set to high, medium, low and auto. And the anti-cold wind function has the priority.
  • Page 88 Electrical Control Function ----T3 rises to be higher than TCDE1℃. ----T3 keeps to be higher than TCDE2℃ for 80 seconds. ----The machine has run for 10 minutes in defrosting mode. Defrosting action： 4-Way valve no longer than 10min Compressor Cool-F9 TimeA 10S 30S Indoor fan...
  • Page 89 Electrical Control Function Low indoor room temperature protection All protections are active and the same as that in cooling mode. For other models: Indoor fan speed is fixed at breeze and can’t be changed. The louver angle is the same as in cooling mode. Low indoor room temperature protection In drying mode, if room temperature is lower than 10℃, the compressor will stop and not resume until room temperature exceeds 12℃.
  • Page 90 Electrical Control Function 1.3.10.1 Enter forced operation function: Press the touch button continually, the AC will run as below sequence: Forced auto→Forced cooling→Off When the machine is off, pressing the touch button will carry the machine to forced auto mode, after this, if pressing the button once again, the machine will turn into forced cooling mode.
  • Page 91 Electrical Control Function The PCB will take action to the mode change information from remote controller signal, and the follow-me function will be turned off. (if the wired remote controller does not initiate follow me function). When the unit is running with follow-me function, if the PCB doesn’t receive any signal from remote controller for 7 minutes or pressing FOLLOW ME button again, the follow-me function will be turned off automatically, and the temperature collection function of room temperature sensor will be available, the PCB will control the unit according to the room temperature detected from its own room temperature...
  • Page 92 Electrical Control Function The digital display tube will display the follow procedure when push SW1 each time. Display Remark Normal display Display running frequency, running state or malfunction code No. of indoor units in good connection Actual data Outdoor unit running mode code Off:0,Fan only 1, Cooling:2, Heating:3, Forced cooling:4 A indoor unit capacity B indoor unit capacity...
  • Page 93 Electrical Control Function EXV open angle for E indoor unit Frequency limit caused by IGBT Bit7 The display value radiator is hex number. For Bit6 Frequency limit caused by PFC example, the Bit5 Frequency limit caused by T4. digital display tube show 2A,then Bit4 Frequency limit caused by T2.
  • Page 94 Electrical Control Function Capacity area Norm value (N) 1.3.12. 4 Number of indoor unit Display Number of indoor unit 1.3.12. 5 Opening degree of electronic expansion valve: Actual opening degree equals the display data times 4 Electrical Control System...
  • Page 95 Troubleshooting 2. Troubleshooting 2.1 Display board 2.1.1 Icon explanation on indoor display board (JKD& HND). ION indication lamp(optional function)：This lamp illuminates when Clean Air feature is activated. DEFROST indication lamp(For cooling & heating models only): Lights up when the air conditioner starts defrosting automatically or when the warm air...
  • Page 96 Troubleshooting 2.1.3 Icon explanation on indoor display board (Compact cassette). Infrared signal receiver Temporary button Operation temp. Timer indicator Alarm indicator PRE-DEF indicator(cooling and heating type) or fan only indicator(cooling only type) 2.1.4 Icon explanation on indoor display board (Console) Infrared signal receiver Operation temp.
  • Page 97 Troubleshooting 2.2 Indoor unit malfunction For JKD,HND Display Operation lamp flash times Timer lamp Failure Indoor EEPROM malfunction Indoor / outdoor units communication error Indoor fan speed has been out of control Open or short circuit of T1 temperature sensor Open or short circuit of T2 temperature sensor Open or short circuit of T4 temperature sensor Open or short circuit of T3 temperature sensor...
  • Page 98 Troubleshooting For Console: Malfunction Running lamp Timer lamp Defrosting lamp ☆ Open or short circuit of T1 temperature sensor ☆ Open or short circuit of T2 temperature sensor Communication malfunction between indoor and outdoor ☆ units. ☆ Outdoor fan speed has been out of control ☆...
  • Page 99 Troubleshooting 2.3 Outdoor unit malfunction Display LED STATUS Outdoor EEPROM malfunction Indoor / outdoor units communication error Communication malfunction between IPM board and outdoor main board Open or short circuit of outdoor unit temperature sensor(T3,T4,T5,T2B) Voltage protection Outdoor fan speed has been out of control No A Indoor unit coil outlet temperature sensor or connector of sensor is defective No B Indoor unit coil outlet temperature sensor or connector of sensor is defective No C Indoor unit coil outlet temperature sensor or connector of sensor is defective...
  • Page 100 Troubleshooting 2.4 Solving steps for typical malfunction 2.4.1 For the indoor unit 2.4.1.1 Indoor EEPROM malfunction Shut off the power supply and turn it on 1 minute later. Is it still displaying the error code? If the EEPROM chip is welded on PCB, replace the PCB directly.
  • Page 101 Troubleshooting 2.4.1.2 Indoor / outdoor units communication error Indoor / outdoor units communication error Start: Power off , then Power on the A/C by the Breaker. (reconnect the power wire). Is it still displaying the error code? Check wiring on the outdoor and indoor terminal follow the wiring diagram.
  • Page 102 Troubleshooting Pic 1: check (Vs), is it m between po value? Pic 2: :IPM (For dual/tri-zone) Operating Self-Check Electrical Control System els)
  • Page 103 Troubleshooting Pic 2: :IPM (For qua-zone) Power, Self-Check Operating PIC3 :Main board LED when power on and unit standby. PIC 4: check point button, Press 1 time for check how many indoor units are connected els) Electrical Control System...
  • Page 104 Troubleshooting 2.4.1.3 indoor unit fan speed has been out of control Shut off the power supply and turn it on 1 minute The unit operates normally. later. Is it still displaying the error code? Find out the cause and have it solved. For Shut off the power supply, example, check rotate the fan by hand.
  • Page 105 Troubleshooting For console: Color White Blue Yellow Black For other models: Color Black White Yellow Blue Index2: 1: Indoor AC fan motor Power on and set the unit running in fan mode at high fan speed. After running for 15 seconds, measure the voltage of pin1 and pin2.
  • Page 106 Troubleshooting For console: DC motor voltage input and output For JKD &HND: Color Signal Voltage Vs/Vm 280V~380V Black White 14-17.5V Yellow 0~5.6V Blue 14-17.5V For Duct & Cassette: Color Signal Voltage Vs/Vm 192V~380V Black White 13.5-16.5V Yellow 0~6.5V Blue For console: Color Signal Voltage...
  • Page 107 Troubleshooting 2.4.1.4 Open or short circuit of temperature sensor. Check the connections between temperature Correct the connections. sensor and PCB. Are the connections good? Check the resistance value of the sensor via Appendix 1 Is it normal? Replace indoor or outdoor PCB. Replace the sensor 2.4.1.5 Full-water malfunction If the water-level switch...
  • Page 108 Troubleshooting 2.4.2 For the outdoor unit 2.4.2 1 Outdoor EEPROM malfunction(ODU E0) Outdoor EEPROM malfunction If the EEPROM chip is welded on PCB, replace the PCB directly. Otherwise, Insert the EEPROM well check whether the EEPROM chip plugged in PCB well? Replace the outdoor main board Electrical Control System...
  • Page 109 Troubleshooting 2.4.2.2 Communication malfunction between IPM board and outdoor main board(ODU E3) Communication malfunction between IPM board and outdoor main board Is there at least one LED in the IPM board light? Check the signal wire between the IPM module and the main board, is it connected good? Reconnect and retry.
  • Page 110 Troubleshooting 2.4.2.3 Voltage protection(ODU E5) Voltage protection Check the voltage of outdoor unit power supply, whether the voltage Check the power supply between L(L1) and N (L2) is about 220~240VAC Check whether the voltage of IPM board P and N is normal? DC277-356V for 18-27KBtu/h;...
  • Page 111 Troubleshooting 2.4.2.4 Outdoor unit fan speed has been out of control (E8) Shut off the power supply and turn it on 1 minute The unit operates normally. later. Is it still displaying the error code? Find out the cause and have it solved.
  • Page 112 Troubleshooting Index 1: 1.Outdoor DC fan motor(control chip is inside fan motor) Measure the resistance value of each winding by using the tester. If any resistance value is zero, the fan motor must have problems and need to be replaced. Color Black White...
  • Page 113 Troubleshooting 2.4.2.5 High pressure protection (ODU P1) (For ELAU-VCZ430-H11, ELAU-VCZ536-H11) High pressure protection Judge 1: Whether the wiring between the high pressure switch and main control Connect it well board is connected well or correctly Judge 2: Whether the high pressure protector is broken Method: Short connect the high pressure protector...
  • Page 114 Troubleshooting 2.4.2.6 Low pressure protection (ODU P2) (For ELAU-VCZ430-H11, ELAU-VCZ536-H11) Low pressure protection Judge 1: Whether the wiring between the low pressure protector and main Connect it well control board is connected well or correctly Judge 2: Whether the low pressure protector is broken Method: Short connect the low pressure protector...
  • Page 115 Troubleshooting 2.4.2.7 Current protection of compressor(ODU P3) Current protection of compressor Judge 1: Check whether the input current of the power supply wire is more than 15A (For 27K(1x3) , it is 18.5A .For 36K(1x4), it is 23A Check whether the refrigerant system is ok Judge 2: Check whether the...
  • Page 116 Troubleshooting 2.4.2.8 Temperature protection of compressor discharge(ODU P4) Temperature protection of compressor discharge Check whether the Check whether the compressor discharge temp. Stop leaking and add refrigerant refrigerant is leak is more than 115° C ? Check whether the wiring connection is right between compressor discharge temp.
  • Page 117 Troubleshooting 2.4.2.9 High temperature protection of condenser(ODU P5) When outdoor pipe temperature is more than 65° C, the unit will stop, and unit runs again when outdoor pipe temp. less than 52° C. High temperature protection of condenser Replace the temperature sensor Check whether the condenser temperature is more than 65°...
  • Page 118 Troubleshooting 2.4.2.10 IPM module protection(ODU P6) IPM module protection Check whether the voltage range Check whether the input Regulate it to correct, then of P-N on IPM module is normal? power supply is correct? check whether the system DC277-356V for 18-27KBtu/h; 208-230V, 1N, 60Hz can work normally? DC277-410V for 36KBtu/h...
  • Page 119 2.4.3 Main parts check Spec. Indoor unit ELSI-HND012-N11 ELSI-HND018-N11 Model ELSI-HND009-N11 WZDK20-38G WZDK58-38G Indoor fan motor WZDK20-38G ELSI-JKD012-N11 ELSI-JKD018-N11 Model ELSI-JKD009-N11 WZDK20-38G WZDK30-38G Indoor fan motor RPG20E ELSI-OCD012-N11 ELSI-KBD012-N11 ELSI-QAD012-N11 Model WZDK27-38GS WZDK37-38G RD-280-20-8A Indoor fan motor Outdoor unit Model...
  • Page 120 Troubleshooting 1. Temperature sensor checking Disconnect the temperature sensor from PCB, measure the resistance value with a tester. Temperature Sensors. Room temp.(T1) sensor, Indoor coil temp.(T2) sensor, Outdoor coil temp.(T3) sensor, Outdoor ambient temp.(T4) sensor, Compressor discharge temp.(T5) sensor. Measure the resistance value of each winding by using the multi-meter. Electrical Control System...
  • Page 121 Troubleshooting Appendix 1 Temperature Sensor Resistance Value Table for T1,T2,T3,T4,T2B (℃--K) ℃ ℃ ℃ ℃ K Ohm K Ohm K Ohm K Ohm 115.266 12.6431 2.35774 0.62973 108.146 12.0561 2.27249 0.61148 101.517 11.5000 2.19073 0.59386 96.3423 10.9731 2.11241 0.57683 89.5865 10.4736 2.03732 0.56038...
  • Page 122 Troubleshooting Appendix 2 Temperature Sensor Resistance Value Table for T5 (℃--K) ℃ ℃ ℃ ℃ K Ohm K Ohm K Ohm K Ohm 542.7 68.66 13.59 3.702 511.9 65.62 13.11 3.595 62.73 12.65 3.492 455.9 59.98 12.21 3.392 430.5 57.37 11.79 3.296 406.7...
  • Page 123 Troubleshooting 2.Compressor checking Measure the resistance value of each winding by using the tester. Position Resistance Value DA150S1C-20FZ DA250S2C-30MT TNB306FPGMC-L Blue - Red 0.55Ω(20℃) 0.95Ω(20℃) 0.53Ω(20℃) Electrical Control System...
  • Page 124 Troubleshooting 3. IPM continuity check Turn off the power, let the large capacity electrolytic capacitors discharge completely, and dismount the IPM. Use a digital tester to measure the resistance between P and UVWN; UVW and N. Digital tester Normal resistance value Digital tester Normal resistance value (+)Red...
  • Page 125 SERVICE MANUAL Multi Splits Series...

This manual is also suitable for:

Elsi-kbd012-n11Elsi-qad012-n11Elsi-ocd012-n11Elau-vcz327-h11Elsi-jkd018-n11Elau-vcz430-h11 ... Show all

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