Acson AMSD-A Series Manual
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Acson AMSD-A Series Manual

Multi-split systems
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Model:
AMSD - A/AR
AMST - A/AR
AMSH - A
A4MSD-A/AR
A4MST-A/AR
AMS-2005
MSD
MSD
MST
MST
MST
Multi-Split Systems
MSH
MSH
MSH
REGISTERED
ISO 9002

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Summary of Contents for Acson AMSD-A Series

  • Page 1 Model: AMSD - A/AR AMST - A/AR AMSH - A A4MSD-A/AR A4MST-A/AR Multi-Split Systems REGISTERED AMS-2005 ISO 9002...

  • Page 2: Table Of Contents

    CONTENTS 1. GENERAL INFORMATION ..................2 2. FEATURE ........................2 3. COUPLING VERSATILITY ..................3 4. SPECIFICATIONS .....................11 5. OUTLINES AND DIMENSIONS .................35 6. WIRING DIAGRAMS ....................42 7. REFRIGERANT CIRCUIT DIAGRAM ................ 51 8. SPECIAL PRECAUTION FOR R407C................56 9. INSTALLATION ......................58 10.

  • Page 3: General Information

    Product Nomenclature : 1010 A : Generation Double - R22 Generation R : Heatpump Compressor 4 R407C (Cooling only) Brand Name Product (A = ACSON) Multi Split Capacity 101010 - R22 Triple 4 R407C Generation Compressor (Cooling only) Brand Name Product...

  • Page 4: Coupling Versatility

    3. COUPLING VERSATILITY OUTDOOR INDOOR Cooling : AWMS 10/15F Heatpump : AWMS 10/15/20FR Cooling : AWMS 10/15F Heatpump : AWMS 10/15/20FR Cooling : AMSD / A4MSD 1010/1015/1515A Heatpump : AMSD / A4MSD 1010/1015/1515AR AMSD 1520AR Cooling : AWMS 10/15F Cooling : AWMS 20F Cooling : AMSD 1020/1520A Cooling : AWMS 20F...
  • Page 5 OUTDOOR INDOOR Cooling : AWMS 10/15F Heatpump : AWMS 10/15FR Cooling : AWMS 10/15F Heatpump : AWMS 10/15FR Cooling : AMST 101010 / 101015 / 101515 / 151515A AMST 101020A Cooling : AWMS 10/15/20F A4MST 101010 / 101015 / 101515 / 151515A/AR Heatpump : AWMS 10/15FR Cooling : AWMS 10/15F Cooling : AWMS 10/15F...
  • Page 6 OUTDOOR INDOOR COOLING : AMSH8K8A A : AWMS 10F B : AWMS 10F Double Compressor 2-Indoor Split System COMP COMP COOLING : AMSH8K66A A1 : AWMS 10F A2 : AWMS 10F Double Compressor 3-Indoor Split System B : AWMS 10F COMP COMP COOLING :...
  • Page 7 OUTDOOR INDOOR COOLING : AMSH66K555A A1 : AWMS 10F A2 : AWMS 10F A3 : AWMS 10F B1 : AWMS 10F B2 : AWMS 15F Double Compressor 5-Indoor Split System COMP COMP...
  • Page 8 OUTDOOR INDOOR Cooling : AWMS 10/15G Heatpump : AWMS 10/15/20GR Cooling : AWMS 10/15G Heatpump : AWMS 10/15/20GR Cooling : AMSD / A4MSD 1010/1015/1515A Heatpump : AMSD / A4MSD 1010/1015/1515AR AMSD 1520AR Cooling : AWMS 10/15G Cooling : AWMS 20G Cooling : AMSD 1020/1520A Cooling : AWMS 20G...
  • Page 9 OUTDOOR INDOOR Cooling : AWMS 10/15G Heatpump : AWMS 10/15GR Cooling : AWMS 10/15G Heatpump : AWMS 10/15GR Cooling : AMST 101010 / 101015 / 101515 / 151515A AMST 101020A Cooling : AWMS 10/15/20G A4MST 101010 / 101015 / 101515 / 151515A/AR Heatpump : AWMS 10/15GR Cooling : AWMS 10/15G Cooling : AWMS 10/15G...
  • Page 10 OUTDOOR INDOOR COOLING : AMSH8K8A A : AWMS 10G B : AWMS 10G Double Compressor 2-Indoor Split System COMP COMP COOLING : AMSH8K66A A1 : AWMS 10G A2 : AWMS 10G Double Compressor 3-Indoor Split System B : AWMS 10G COMP COMP COOLING :...
  • Page 11 OUTDOOR INDOOR COOLING : AMSH66K555A A1 : AWMS 10G A2 : AWMS 10G A3 : AWMS 10G B1 : AWMS 10G B2 : AWMS 15G Double Compressor 5-Indoor Split System COMP COMP...

  • Page 12: Specifications

    4. SPECIFICATIONS AMSD SERIES COOLING ONLY MODEL OUTDOOR UNIT AMSD1010A AMSD1015A AMSD1515A INDOOR UNIT AWMS10F AWMS10F AWMS10F AWMS15F AWMS15F AWMS15F 2,394 3,200 NOMINAL kcal/h 2,394 3,200 2,784 3,722 COOLING 2,784 3,722 CAPACITY Btu/h 9,500 9,500 12,700 12,700 RATED POWER ONE UNIT RUNNING 1,018 1,018 1,018...
  • Page 13 AMSD SERIES COOLING ONLY AMSD1020A AMSD1520A AMSD2020A MODEL OUTDOOR UNIT INDOOR UNIT AWMS10F AWMS20F AWMS15F AWMS20F AWMS20F AWMS20F NOMINAL kcal/h 2,394 4,536 3,200 4,536 4,536 COOLING 2,784 5,275 3,721 5,275 5,275 18,000 CAPACITY Btu/h 9,500 18,000 12,700 18,000 RATED POWER ONE UNIT RUNNING 1,018 2,076...
  • Page 14 AMSD SERIES HEAT PUMP UNIT AMSD1010AR AMSD1015AR AMSD1515AR MODEL OUTDOOR UNIT INDOOR UNIT AWMS10FR AWMS10FR AWMS10FR AWMS15FR AWMS15FR AWMS15FR NOMINAL kcal/h 2343 / 2293 2,343 3,024 3024 / 2898 COOLING ONE / TWO UNIT RUNNING 2726 / 2667 2,726 3,517 3517 / 3370 9300 / 9100 12000 / 11500...
  • Page 15 AMSD SERIES HEAT PUMP UNIT AMSD1520AR MODEL OUTDOOR UNIT INDOOR UNIT AWMS15FR AWMS20FR NOMINAL kcal/h 3024 / 2772 4536 / 4536 ONE / TWO UNIT RUNNING COOLING 3517 / 3224 5275 / 5275 CAPACITY Btu/h 12000 / 11000 18000 / 18000 NOMINAL kcal/h 3276 / 3024...
  • Page 16 A4MSD SERIES COOLING ONLY(50HZ)+A6 A4MSD1010A A4MSD1015A A4MSD1515A MODEL INDOOR UNIT OUTDOOR UNIT AWMS10F AWMS10F AWMS10F AWMS15F AWMS15F AWMS15F NOMINAL kcal/h 2,268 2,268 3,024 3,024 COOLING 2,638 2,638 3,517 3,517 9,000 12,000 CAPACITY Btu/h 9,000 12,000 RATED POWER ONE UNIT RUNNING 1,035 1,035 1,035...
  • Page 17 A4MSD SERIES HEAT PUMP UNIT A4MSD1010AR A4MSD1015AR A4MSD1515AR OUTDOOR UNIT MODEL INDOOR UNIT AWMS10FR AWMS10FR AWMS10FR AWMS15FR AWMS15FR AWMS15FR NOMINAL kcal/h 2268 / 2268 2772 / 2646 2268 / 2268 2772 / 2646 ONE / TWO UNIT 2638 / 2268 3224 / 3077 COOLING 2638 / 2638...
  • Page 18 AMST SERIES COOLING ONLY AMST101010A AMST101015A AMST101515A AMST151515A OUTDOOR UNIT MODEL 3 x AWMS10F 2 x AWMS10F AWMS15F AWMS10F 2 x AWMS15F 3 x AWMS15F INDOOR UNIT 3 x 2394 2 x 2394 3,200 2,394 2 x 3,200 3 x 3200 NOMINAL kcal/h 3 x 2784...
  • Page 19 AMST SERIES COOLING ONLY AMST101025A AMST101525A AMST151525A OUTDOOR UNIT MODEL INDOOR UNIT 2 x AWMS10F AWMS25F AWMS10F AWMS15F AWMS25F 2 x AWMS15F 2 x 2,394 5,796 2,394 3,024 5,796 3,024 NOMINAL kcal/h COOLING 2 x 2,784 6,741 2,784 3,517 6,741 3,517 2 x 9,500 23,000...
  • Page 20 A4MST SERIES COOLING ONLY MODEL OUTDOOR UNIT A4MST101010A A4MST101015A A4MST101515A A4MST151515A INDOOR UNIT 3 x AWMS10F 2 x AWMS10F AWMS15F AWMS10F 2 x AWMS15F 3 x AWMS15F NOMINAL kcal/h 3 x 2268 2 x 2268 3024 2268 2 x 3024 3 x 3024 COOLING 3 X 2638...
  • Page 21 A4MST-AR SERIES HEATPUMP A4MST101015AR A4MST101515AR MODEL OUTDOOR UNIT A4MST101010AR A4MST151515AR INDOOR UNIT 3 x AWMS10FR 2 x AWMS10FR AWMS15FR AWMS10FR 2 x AWMS15FR 3 x AWMS15FR NOMINAL kcal/h 3 x 2268 2 x 2268 3024 2268 2 x 3024 3 x 3024 COOLING 3 x 2638 2 x 2638...
  • Page 22 AMSH SERIES - COOLING ONLY OUTDOOR UNIT AMSH8K8A AMSH8K66A AMSH66K66A AMSH 66K555A AMSH K77A MODELS INDOOR UNIT AWMS10F (X2) AWMS10F (X3) AWMS10F (X4) AWMS10F (X4) AWMS15F AWMS15F X 2 POWER SOURCE V/Ph/Hz 220 ~ 240 / 1 / 50 REFRIGERANT R 22 / OUTDOOR CAPILLARY TUBE FAN TYPE ANTI FUNGUS CROSS FLOW TANGENTIAL FAN/DIRECT...
  • Page 23 COOLING CAPACITY AMSH SERIES - COOLING ONLY MODEL OUTDOOR UNIT AMSHK77A AMSH8K8A INDOOR UNIT INDOOR A,B : AWMS15F X 2 INDOOR UNIT A, B : AWMS10F X 2 NOMINAL NUMBER OF UNIT ONE UNIT RUNNING TWO UNITS RUNNING ONE UNIT RUNNING TWO UNITS RUNNING COOLING OPERATING...
  • Page 24 AMSD SERIES COOLING ONLY AMSD1010A AMSD1015A AMSD1515A MODEL OUTDOOR UNIT INDOOR UNIT AWMS10G AWMS10G AWMS10G AWMS15G AWMS15G AWMS15G NOMINAL kcal/h 2,394 2,394 3,200 3,200 ONE / TWO UNIT COOLING 2,784 2,784 3,721 3,721 RUNNING 9,500 12,700 CAPACITY Btu/h 9,500 12,700 RATED POWER ONE UNIT RUNNING 1,018...
  • Page 25 AMSD SERIES COOLING ONLY AMSD1020A AMSD1520A AMSD2020A MODEL OUTDOOR UNIT INDOOR UNIT AWMS10G AWMS20G AWMS15G AWMS20G AWMS20G AWMS20G NOMINAL kcal/h 2,394 4,536 3,200 4,536 4,536 ONE / TWO UNIT COOLING 2,784 5,275 3,721 5,275 5,275 RUNNING 18,000 CAPACITY Btu/h 9,500 18,000 12,700 18,000...
  • Page 26 AMSD SERIES HEAT PUMP UNIT AMSD1010AR AMSD1015AR AMSD1515AR MODEL OUTDOOR UNIT INDOOR UNIT AWMS10GR AWMS10GR AWMS10GR AWMS15GR AWMS15GR AWMS15GR NOMINAL kcal/h 2343 / 2293 3024 / 2898 2343 / 2293 3024 / 2898 ONE / TWO UNIT RUNNING 2726 / 2667 3517 / 3370 COOLING 2726 / 2667...
  • Page 27 AMSD SERIES HEAT PUMP UNIT AMSD1520AR MODEL OUTDOOR UNIT INDOOR UNIT AWMS15GR AWMS20GR NOMINAL kcal/h 2898 / 2772 4536 / 4536 ONE / TWO UNIT RUNNING COOLING 3370 / 3224 5275 / 5275 CAPACITY Btu/h 11500 / 11000 18000 / 18000 NOMINAL kcal/h 3175 / 3024...
  • Page 28 A4MSD SERIES COOLING ONLY A4MSD1010A A4MSD1015A A4MSD1515A MODEL INDOOR UNIT OUTDOOR UNIT AWMS10G AWMS10G AWMS10G AWMS15G AWMS15G AWMS15G NOMINAL kcal/h 2,268 2,268 3,024 3,024 ONE / TWO UNIT COOLING 2,638 3,517 2,638 3,517 RUNNING 9,000 12,000 CAPACITY Btu/h 9,000 12,000 RATED POWER ONE UNIT RUNNING 1,035...
  • Page 29 A4MSD SERIES HEAT PUMP UNIT A4MSD1010AR A4MSD1015AR A4MSD1515AR MODEL OUTDOOR UNIT INDOOR UNIT AWMS10GR AWMS10GR AWMS10GR AWMS15GR AWMS15GR AWMS15GR NOMINAL kcal/h 2268 / 2268 2772 / 2646 2268 / 2268 2772 / 2646 ONE / TWO UNIT RUNNING 2638 / 2268 3224 / 3077 COOLING 2638 / 2638...
  • Page 30 AMST SERIES COOLING ONLY AMST101010A AMST101015A AMST101515A AMST151515A AMST101020A OUTDOOR UNIT MODEL 3 x AWMS10G 2 x AWMS10G AWMS15G AWMS10G 2 x AWMS15G 3 x AWMS15G 2 x AWMS10G AWMS20G INDOOR UNIT 3 x 2,394 2 x 2,394 3,200 2,394 2 x 3,200 3 x 3,200 2 x 2,394...
  • Page 31 AMST SERIES COOLING ONLY AMST101025A AMST101525A AMST151525A OUTDOOR UNIT MODEL INDOOR UNIT 2 x AWMS10G AWMS25G AWMS10G AWMS15G AWMS25G 2 x AWMS15G AWMS25G 2 x 2,394 5,796 2,394 3,024 5,796 2 x 3024 5,796 NOMINAL kcal/h COOLING 2 x 2,784 6,741 2,784 3,517...
  • Page 32 A4MST SERIES COOLING ONLY MODEL OUTDOOR UNIT A4MST101010A A4MST101015A A4MST101515A A4MST151515A INDOOR UNIT 3 x AWMS10G 2 x AWMS10G AWMS15G AWMS10G 2 x AWMS15G 3 x AWMS15G NOMINAL kcal/h 3 x 2268 2 x 2268 3024 2268 2 x 3024 3 x 3024 COOLING 3 X 2638...
  • Page 33 A4MST-AR SERIES HEATPUMP A4MST101015AR A4MST101515AR MODEL OUTDOOR UNIT A4MST101010AR A4MST151515AR INDOOR UNIT 3 x AWMS10GR 2 x AWMS10GR AWMS15GR AWMS10GR 2 x AWMS15GR 3 x AWMS15GR NOMINAL kcal/h 3 x 2268 2 x 2268 3024 2268 2 x 3024 3 x 3024 COOLING 3 x 2638 2 x 2638...
  • Page 34 AMSH SERIES - COOLING ONLY AMSH 66K555A OUTDOOR UNIT AMSH8K8A AMSH8K66A AMSH66K66A AMSH K77A MODELS INDOOR UNIT AWMS10G (X2) AWMS10G (X3) AWMS10G (X4) AWMS10G (X4) AWMS15G AWMS15G X 2 POWER SOURCE V/Ph/Hz 220 ~ 240 / 1 / 50 REFRIGERANT R 22 / OUTDOOR CAPILLARY TUBE FAN TYPE ANTI FUNGUS CROSS FLOW TANGENTIAL FAN/DIRECT...
  • Page 35 COOLING CAPACITY AMSH SERIES - COOLING ONLY MODEL OUTDOOR UNIT AMSHK77A AMSH8K8A INDOOR UNIT INDOOR A,B : AWMS15F X 2 INDOOR UNIT A, B : AWMS10G X 2 NOMINAL NUMBER OF UNIT ONE UNIT RUNNING TWO UNITS RUNNING ONE UNIT RUNNING TWO UNITS RUNNING COOLING OPERATING...

  • Page 36: Outlines And Dimensions

    5. OUTLINES AND DIMENSIONS OUTDOOR UNIT MODEL : AMSD 1010 / 1015 / 1515 A/AR AMSD 1520 AR A4MSD 1010 / 1015 / 1515 A/AR Note : Dimension in mm MODEL : AMSD 1020 / 1520 A Note : Dimension in mm...
  • Page 37 MODEL : AMSD 2020A Note : Dimension in mm MODEL : AMST 101010 / 101015 / 101515 / 151515 / 101020 A A4MST 101010 / 101015 / 101515 / 151515 A/AR Note : Dimension in mm NOTE:...
  • Page 38 MODEL : AMST 101025 / 101525 / 151525 A Note : Dimension in mm MODEL : AMSH 8K8 A Note : Dimension in mm...
  • Page 39 MODEL : AMSH 8K66 A Note : Dimension in mm NOTE: A = 94.25 B = 84.0 MODEL : AMSH 66K66 A Note : Dimension in mm NOTE: A = 94.25 B = 84.0...
  • Page 40 MODEL : AMSH 66K555 A Note : Dimension in mm NOTE: A = 56.5 B = 89.0 C = 65.0 MODEL : AMSH K77 A Note : Dimension in mm...
  • Page 41 INDOOR UNIT MODEL: AWMS 10/15 F/FR Note : Dimension in mm INDOOR UNIT MODEL : AWMS 20 F/FR Note : Dimension in mm...
  • Page 42 INDOOR UNIT MODEL: AWMS 10/15 G/GR Note : Dimension in mm INDOOR UNIT MODEL : AWMS 20 G/GR Note : Dimension in mm...

  • Page 43: Wiring Diagrams

    6. WIRING DIAGRAMS OUTDOOR UNIT – COOLING ONLY MODEL : AMSD/A4MSD 1010A/ 1015A/ 1515A MODEL : AMSD 1020A/ 1520A MODEL : AMSD 2020A...
  • Page 44 OUTDOOR UNIT – COOLING ONLY MODEL : AMST/A4MST 101010A/ 101015A/ 101515A/ 151515A MODEL : AMST 101020A...
  • Page 45 OUTDOOR UNIT – COOLING ONLY MODEL : AMST 101025/ 101525/ 151525 A...
  • Page 46 OUTDOOR UNIT – COOLING ONLY MODEL : AMSH8K8A MODEL : AMSH8K66A MODEL : AMSH66K66A...
  • Page 47 OUTDOOR UNIT – COOLING ONLY MODEL : AMSH66K555A MODEL : AMSHK77A...
  • Page 48 OUTDOOR UNIT – HEATPUMP MODEL : AMSD/A4MSD 1010 / 1015 / 1515 AR MODEL : AMSD 1520AR...
  • Page 49 OUTDOOR UNIT – HEATPUMP MODEL : A4MST 101010 / 101015 / 101515 / 151515AR...
  • Page 50 INDOOR UNIT COOLING ONLY MODEL : AWMS 10F/ 15F/ 20F (AUTO RANDOM RESTART) HEATPUMP UNIT MODEL : AWMS 10FR/ 15FR/ 20FR HEATPUMP UNIT MODEL : AWMS 10FR/ 15FR/ 20FR (AUTO RANDOM RESTART)
  • Page 51 INDOOR UNIT COOLING ONLY MODEL : AWMS 10/15G (IONIZER) TO OUTDOOR UNIT MODEL : AWMS 10/15G (NTP) TO OUTDOOR UNIT...

  • Page 52: Refrigerant Circuit Diagram

    7. REFRIGERANT CIRCUIT DIAGRAM MODEL : AMSD 1010/ 1015/ 1515/ 1020/ 1520/ 2020 A A4MSD 1010/ 1015/ 1515 A MODEL : AMST/A4MST 101010/ 101015/ 101515/ 151515 A AMST 101020/ 101025/ 101525/ 151525 A...
  • Page 53 MODEL : AMSHK77A MODEL : AMSH8K8A...
  • Page 54 MODEL : AMSH8K66A MODEL : AMSH66K66A...
  • Page 55 MODEL : AMSH66K555A...
  • Page 56 MODEL : AMSD/A4MSD 1010/ 1015/ 1515 AR AMSD 1520 AR MODEL : A4MST 101010/ 101015/ 101515/ 151515 AR...

  • Page 57: Special Precaution For R407C

    8. SPECIAL PRECAUTIONS FOR R407C SPECIAL PRECAUTIONS WHEN DEALING WITH REFRIGERANT R407C UNIT 1) WHAT IS NEW REFRIGERANT R407C? R407C is a zeotropic refrigerant mixture which has Zero Ozone Depletion Potential (ODP = 0) and thus, conforms to the Montreal Protocol regulation. It requires Polyol-ester (POE) oil for its compressor's lubricant. Its refrigerant capacity and performance are about the same as the refrigerant R22.
  • Page 58 c) Ensure that the compressor is not exposed to air for more than the recommended time specified by its manufacturer (typically less than 10 minutes). Removed the seal-plugs only when the compressor is about to be brazed. d) The system should be thoroughly vacuumed to 1.0 Pa (-700mmHg) or lower. This vacuuming level is more stringent than R22 system so as to ensure no incompressible gas and moisture in the system.

  • Page 59: Installation

    9. INSTALLATION LOCATION FOR INSTALLATION OF THE CONDENSING UNITS As condensing temperature rises, evaporating temperature rises and cooling capacity drops. In order to achieve maximum cooling capacity, the location selected for outdoor unit should fulfill the following requirements : · Install the condensing (outdoor) unit in a way such that hot air distributed by the outdoor condensing unit cannot be drawn in again (as in the case of short circuit of hot discharge air).
  • Page 60 INSTALLATION IN ZONE EXPOSED TO STRONG WIND OR HIGH SNOW FALLS (FOR HEATPUMP MODEL) INSTALLATION CLEARANCE SINGLE CONDENSING UNIT INSTALLATION Outdoor units must be installed such that there is no short circuit of the hot discharge air or obstruction to smooth air flow.
  • Page 61 MAXIMUM PIPE LENGTH AND MAXIMUM NUMBER OF BENDS When the pipe length becomes too long, both the capacity and reliability drop. As the number of bends increases, system piping resistance to the refrigerant flow increases, lowering the cooling capacity. As a result of this, the compressor may become defective.
  • Page 62 2) AMST / A4MST 3) AMSH...
  • Page 63 FLARING TECHNIQUE (FOR FLARE CONNECTION) · Cut the pipe stages by stages, advancing the blade of pipe cutter slowly. Extra force and a deep cut will cause more distortion of pipe and therefore, extra burr. · Remove burr with burr remover. This will avoid unevenness on the flare face which will cause gas leak. Hold the flaring end down to prevent burr from dropping inside pipe.
  • Page 64 Diagram 1 Diagram 2 ADDITIONAL CHARGE (FOR FLARE CONNECTION) The refrigerant gas is charged in the outdoor unit and, if the piping length to every indoor is 5m, additional charge of the refrigerant after vacuuming is not necessary. When the piping length to every indoor is more than 5m, please add 15g of refrigerant for every addition of 1m pipe length.

  • Page 65: Remote Controller Operation Guide

    10. REMOTE CONTROLLER OPERATION GUIDE G8 REMOTE CONTROLLER • Set the desired off time by pressing the SET button continuously. 1. Transmission source • • Press the CLR button to cancel the off timer The source where the signal will be transmitted. setting.
  • Page 66 INDICATOR LIGHTS (cooling only unit) IR signal receiver When there is infrared remote control operating signal, the signal receiver on indoor unit will made a (beep) for signal acceptance confirmation. LED Indicator Lights The table below shows the LED indicator light for air conditioner unit under normal operation and fault condition.
  • Page 67 Heatpump unit : LED Indicator Lights Display Cooling mode Dry mode (Green) (Orange) Heat/Fan Sleep mode mode (Red) (Red/Green) The heat pump units is equipped with an "auto" mode, whereby the unit will provide reasonable room temperature by switching the unit automatically to either "cool" mode or "heat" mode, according to the temperature setting set by the user.
  • Page 68 G12 REMOTE CONTROLLER Personalised Setting Temperature Setting • • To set the desired room Press and hold the button for 3s to initiate personalized setting. temperature, press the button to increase or decrease the set • Set the individual setting e.g. temperature.
  • Page 69 INDICATOR LIGHTS IR signal receiver When there is infrared remote control operating signal, the signal receiver on indoor unit will made a (beep) for signal acceptance confirmation. The table below shows the LED indicator light for air conditioner unit under normal operation and fault condition. The LED indicator lights are located at the middle of the air conditioner unit.

  • Page 70: Servicing And Maintenance

    11. SERVICING AND MAINTENANCE The design of the A(4)MSD, A(4)MST, and AMSH outdoor series allows servicing to be carried out readily and easy. The removal of the top, side, front and back panel make almost every part accessible. Model : Cooling – AMSD/A4MSD 1010/ 1015/ 1515 A Heatpump –...
  • Page 71 MODEL : AMSD 2020 A MODEL : AMST 101010/ 101015/ 101515/ 151515/ 101020 A A4MST 101010/ 101015/ 101515/ 151515 A/AR...
  • Page 72 MODEL : AMST 101025/ 101525/ 151525 A Under normal circumstance, these outdoor units require a check and cleaning of air intake coil surface once quarterly. However, if a unit is installed in areas subjected to much oil mist and dust, the coils must be regularly cleaned by qualified Air Conditioner Service Technicians to ensure sufficient heat exchange and proper operation.

  • Page 73: Operation

    12. OPERATION ELECTRICAL CONNECTIONS Wiring regulations on wire diameters differ from country to country. Please refer to your LOCAL ELECTRICAL CODES for field wiring rules. Be sure that installation comply with such rules and regulations. GENERAL PRECAUTIONS Ensure that the rated voltage of the unit corresponds to the name plate before carrying out proper wiring according to the wiring diagram.
  • Page 74 Generally, there are two kinds of common problems, i.e. starting failure and insufficient cooling. “Starting failure” is caused by electrical defect while “insufficient cooling” is caused by improper application or defects in refrigerant circuit. DIAGNOSIS OF STARTING FAILURE Starting failure Preliminary causes :- Voltage not within +/- 10% or rated...

  • Page 75: Part List

    14. PART LIST MODEL : AMSD / A4MSD 1010 / 1015 / 1515 A/AR 14. HEX NUT 3/8” 1. BACK PANEL 2. HANDLING HANDLE 15. SQUARE WASHER 3. TOP PANEL 16. FAN BLADE 17. RING WASHER 4. CONDENSER COIL ASSEMBLY 5.
  • Page 76 MODEL : AMSD 1020A / 1520 A 1. ROTARY COMPRESSOR 2 (1.0/1.5HP) 14. SUCTION TUBE 2 2. ROTARY COMPRESSOR 1 (2.0HP) 15. FAN GUARD 3. DISCHARGE TUBE 1 16. ORIFICE FOR 18” PROPELLER 4. SUCTION TUBE 1 17. FAN BLADE 18” 5.
  • Page 77 MODEL : AMSD 1520 AR 1. PANEL, TOP 16. ASSEMBLY, FLARE VALVE PLATE 2. ASSEMBLY, CONDENSER COIL 17. VALVE, FLARE 3 WAY ½” 3. TUBE, 4WV ‘E’ – GAS TO VALVE COMP. 1 18. VALVE, FLARE 3 WAY 5/8” 4. ASSEMBLY, SIDE PANEL LEFT INS. 19.
  • Page 78 MODEL : AMSD 2020A 1. ROTARY COMPRESSOR 1 14. DISCHARGE TUBE 1 2. ROTARY COMPRESSOR 2 15. FAN GUARD 3. SUCTION TUBE 2 16. ORIFICE FOR 19” PROPELLER 4. DISCHARGE TUBE 2 17. FAN BLADE 19” 5. SUCTION TUBE 1 18.
  • Page 79 MODEL : AMST 101010 / 101015 / 101515 / 151515 / 101020 A A4MST 101010 / 101015 / 101515 / 151515 A 1. ROTARY COMPRESSOR 2 16. SIDE PANEL LEFT 2. ROTARY COMPRESSOR 1 17. SUCTION TUBE 2 3. ROTARY COMPRESSOR 3 18.
  • Page 80 MODEL : AMST 101025 / 101525 / 151525 A 15. ASSY, VALVE BRACKET 1. ASSY, PANEL BASE 2. ASSY, MAIN COIL 16. ASSY, FRONT PANEL 3. BRACKET, MOTOR 17. ASSY, CONTROL BOX 4. FAN MOTOR (YJ145 - SWELLING) 18. ASSY, STICKER GUIDE TER. BOX COVER 5.
  • Page 81 MODEL : A4MST 101010 AR 1. ASSY., BASE PAN 16. ASSY., 4WV COMP. 3 ( 1.0 HP ) 2. COMPRESSOR, RUBBER GROMMET 17. ASSY., CAP. TUBE 1 ( 1.0 HP ) 3. ASSY., INS. PARTITION 18. ASSY., CAP. TUBE 2 ( 1.0 HP ) 4.
  • Page 82 MODEL : A4MST 101015 AR 16. ASSY., 4WV COMP. 2 ( 1.0 HP ) 1. ASSY., BASE PAN 17. ASSY., 4WV COMP. 3 ( 1.5 HP ) 2. COMPRESSOR, RUBBER GROMMET 18. ASSY., CAP. TUBE 1 ( 1.0 HP ) 3.
  • Page 83 MODEL : A4MST 101515 AR 16. ASSY., 4WV COMP. 2 ( 1.5 HP ) 1. ASSY., BASE PAN 17. ASSY., 4WV COMP. 3 ( 1.5 HP ) 2. ASSY., INS. PARTITION 18. ASSY., CAP. TUBE 1 ( 1.0 HP ) 3.
  • Page 84 MODEL : A4MST 151515 AR 1. ASSY., BASE PAN 15. ASSY., 4WV COMP. 3 ( 1.5 HP ) 2. ASSY., INS. PARTITION 16. ASSY., CAP. TUBE 1 ( 1.5 HP ) 3. ASSY., OUTDOOR COIL MAIN 17. ASSY., CAP. TUBE 2 ( 1.5 HP ) 4.
  • Page 85 MODEL : AMSH 8K8 A 1. ASSY, BACK PANEL 14. FAN BLADE 2. ASSY, TOP PANEL 15. WASHER, RING 3. ASSY, CONDENSER COIL 16. MOTOR, FAN 4. NUT M8, WITH WASHER 17. BRACKER, FAN MOTOR 5. ROTARY COMPRESSOR A (2PS132D2AB02) 18.
  • Page 86 MODEL : AMSH 8K66 / 66K66 / 66K555 A 1. ASSY, BACK PANEL 14. FAN BLADE 2. ASSY, TOP PANEL 15. WASHER, RING 3. ASSY, CONDENSER COIL 16. MOTOR, FAN 4. NUT M8, WITH WASHER 17. BRACKER, FAN MOTOR 5. ROTARY COMPRESSOR A (2PS192D2AB02) 18.
  • Page 87 MODEL : AMSH K77 A 1. BACK PANEL ASSY 14. BASE PAN ASSY 2. TOP PANEL ASSY 15. CAPILLARY TUBE ASSY 3. CONDENSER COIL ASSY 16. PARTITION ASSY 4. MOTOR MOUNTING BRACKET 17. TERMINAL BOX ASSY 5. FAN MOTOR 18. SIDE PANEL ASSY 6.
  • Page 88 While upmost care is taken in ensuring that all details in the publication are correct at time of going to press, we are constantly striving for improvement and therefore reserve the rights to alter model specifications and equipment without prior notice. Details of specifications and equipment are also subject to change to suit local conditions and equipments and not all models are available in every market.

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