Table of Contents
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INDOOR UNIT
AJ007/009/012/018/024JNADCH
AJ009/012/018JNNDCH
AJ009/012/018JNLDCH
AIR CONDITIONER
MULTI AIR CONDITIONER
OUTDOOR UNIT
AJ020MCS3CH
AJ024MCS4CH
AJ030MCS4CH
CONTENTS
1. Precautions
3. Disassembly and Reassembly
4. Troubleshooting
5. PCB Diagram and Parts List
6. Wiring Diagram
7. Schematic Diagram
8. Reference Sheet
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Table of Contents
Related Manuals for Samsung AJ007JNADCH
Summary of Contents for Samsung AJ007JNADCH
- Page 1 MULTI AIR CONDITIONER OUTDOOR UNIT INDOOR UNIT AJ020MCS3CH AJ007/009/012/018/024JNADCH AJ024MCS4CH AJ009/012/018JNNDCH AJ030MCS4CH AJ009/012/018JNLDCH AIR CONDITIONER CONTENTS 1. Precautions 3. Disassembly and Reassembly 4. Troubleshooting 5. PCB Diagram and Parts List 6. Wiring Diagram 7. Schematic Diagram 8. Reference Sheet...
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Page 2: Table Of Contents
Contents 11. Precautions 1-1 Installing the air conditioner 1-2 Power supply and circuit breaker 1-3 During operation 1-4 Disposing of the unit 1-5 Others 12. Product Spe 2-1 The Feature of Product 2-2 Product S cations 2-3 The Comparative of Product 2-14 2-4 Accessory and Option Speci cations 2-22... -
Page 3: Precautions
> 0.12 inch. Do not extend an electric cord to the air conditioner. The air conditioner must be plugged in after you complete the installation. No Tapping and No Extension Cords Samsung Electronics... -
Page 4: During Operation
- Release the valve caps on High and Low pressure side. - Use L wrench to close the valve on the high pressure side. - Approximately 2 minutes after, close the valve on the low pressure side. - Stop operation of the air conditioner.- Disconnect the pipes. Samsung Electronics... -
Page 5: Product Specifications
2. Product Specifications 2-1 The Feature of Product Samsung Electronics... -
Page 6: Product S Cations
2-2 Product Spe ations Samsung Electronics... - Page 7 2-2 Product Spe ations Samsung Electronics...
- Page 8 Product ations(cont.) Samsung Electronics...
- Page 9 Product ations(cont.) 2-12 Samsung Electronics...
- Page 10 The Comparative Spe ations of Product(cont.) 2-20 Samsung Electronics...
- Page 11 The Comparative Spe ations of Product(cont.) Samsung Electronics 2-21...
- Page 12 2-4 Accessory and Option Spe 2-4-1 Indoor Unit Accessories 2-22 Samsung Electronics...
- Page 13 DB62-11028A Essential O er (Indoor Unit) Seal-drain ass'y DB62-11028H Seal-drain ass'y DB62-11028J DB68-04991A ASSY INSTALL MANUAL/USER MANUAL DB68-04990A Essential O er (Panel) ASSY-INSTALLATION DB98-34364A MANUAL Filter accessory i r c Basic/ t l i f Water wash Samsung Electronics 2-27...
- Page 14 Accessories(cont.) Samsung Electronics 2-29...
- Page 15 Accessories(cont.) 2-4-2 Outdoor Unit Accessories Drain-Plug Out DB67-00806A DB68-07263A (AJ020MCS3CH) DB68-07263B Label Ene (AJ024MCS4CH) DB68-07263C (AJ030MCS4CH) DB73-20134A Rubber-Leg DB96-16155A ASSY TUBE DB96-16155B DB68-07264A Samsung Electronics 2-31...
- Page 16 Accessories(cont.) 2-32 Samsung Electronics...
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Page 17: Disassembly And Reassembly
3. Disassembly and Reassembly ■ Necessary Tools Item Remark MONKEY SPANNER Samsung Electronics... - Page 18 AJ***MCS*CH (Follow pictures is shape of AJ020MCS3CH) Samsung Electronics 3-13...
- Page 19 3-14 Samsung Electronics...
- Page 20 Samsung Electronics 3-15...
- Page 21 1) Unscrew and remove the Fan cover. 3-16 Samsung Electronics...
- Page 22 Samsung Electronics 3-17...
- Page 23 3-18 Samsung Electronics...
- Page 24 Samsung Electronics 3-19...
- Page 25 Base Heater 1) Unscrew and remove 4 screws on the heater holder, and remove the heater holder and the base heater. 3-20 Samsung Electronics...
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Page 26: Troubleshooting
4. Troubleshooting 4-1 Display Error and Check Method 4-1-1 Indoor unit Samsung Electronics... - Page 27 EEPROM error nent. EEPROM option error door machine models -.Check the wire connection Motion detect sensor error -. Check the MDS-KIT -.Check the indoor PBA i t a r o r Samsung Electronics...
- Page 28 Samsung Electronics...
- Page 29 Outdoor unit high discharge temperature - Safety control (Compressor stop) check pipe lenght, refrigerantleakage/charge u l i E462 Compressor trip by input current control mode (PFC over current) n i l / t r / t r / t r / t r . t i Samsung Electronics...
- Page 30 If fails, the red LED of the A part turns on. - This work takes approximately 3 to 5 minutes. LED (RED, GRN / RED, GRN, YEL) 1) T e switch 1 of the DIP switch, and then turn on the outdoor unit. Reset 4-10 Samsung Electronics...
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Page 31: Setting Option Setup Method
Push the button to set the display panel to ➡ ➡ Every time you push the button, the display panel reads ➡ ➡ . . . ➡ ➡ ➡ ➡ ➡ ➡ repeatedly. Samsung Electronics 4-11... - Page 32 If all lamps of indoor unit are flickering, Plug out, plug in power plug again and press ON/OFF key to retry. If the unit is not working properly or all lamps are continuously flickering after setting the option code, see if the correct option code is set up for its model. 4-12 Samsung Electronics...
- Page 33 Push the button to set the display panel to Setting is not required if you must Every time you push the button, the display panel reads a value which has a default..repeatedly. Samsung Electronics 4-13...
- Page 34 If all lamps of indoor unit are flickering, plug out, plug in power plug again and press the ON/OFF key to retry. If the unit is not working properly or all lamps are continuously flickering after setting the option code, see if the correct option code is set up for its model. 4-14 Samsung Electronics...
- Page 35 Every time you push the button, the display panel reads ..repeatedly. Push the button to Push the button to set the display panel to Every time you push the button, the display panel reads ..repeatedly. Samsung Electronics 4-15...
- Page 36 If all lamps of indoor unit are flickering, Plug out, plug in power plug again and press ON/OFF key to retry. If the unit is not working properly or all lamps are continuously flickering after setting the option code, see if the correct option code is set up for its model. 4-16 Samsung Electronics...
- Page 37 Samsung Electronics 4-17...
- Page 38 4-18 Samsung Electronics...
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Page 39: Setting An Indoor Unit Address And Installation Option
2. Insert batteries and enter the option setting mode while pressing High Temp button and Low Temp button. Check if you have entered the option setting status. Step 2. The procedure of option setting After entering the option setting status, select the option as listed below. were used at the previous other remocons. Samsung Electronics 4-19... - Page 40 10. Setting Auto mode Press Mode button to be changed to AUTO mode in the OFF status. Press Low Fan button( ∨ Press High Fan button( ∧ Each time you press the button, will be selected in rotation. 4-20 Samsung Electronics...
- Page 41 Step 5. Check operation 1. Reset the indoor unit by pressing the RESET button of indoor unit or outdoor unit. 2. Take the batteries out of the remote controller and insert them again and then press the operation button. Samsung Electronics 4-21...
- Page 42 No RMC address Indication and Details RMC1 RMC2 RMC address setting mode Example) If you want to set as "MAIN : 3, CHANNEL : 1, RMC : B", assign option codes except SEG 1, 7 which are page options. 4-22 Samsung Electronics...
- Page 43 Mixed operation Thermo Disuse Disuse 1000 Hour control 1/Use buzzer ON/OFF Mixed operation Control Indication control 1/Disuse of buzzer Control Details Operation 2000 Mixed operation control 2/Use Hour buzzer WINDOR Mixed operation ON/OFF control 2/Disuse of buzzer Samsung Electronics 4-23...
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Page 44: Changing A Particular Option
Ex) When setting the 'buzzer control' into disuse status. Option The option The tens’ digit of The unit digit of The changed Explanation MODE mode you want value to change you will change you will change Indication 4-24 Samsung Electronics... - Page 45 4-3-2 Changing a particular option Samsung Electronics 4-25...
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Page 46: Items To Be Checked First
Check the terminals if the indoor unit and outdoor unit are properly linked by the same number of cables. Otherwise the air conditioner may not operate properly. When a problem occurs due to the contents illustrated in the table below it is a symptom not related to the malfunction of the air conditioner. Samsung Electronics 4-27... - Page 47 4-28 Samsung Electronics...
- Page 48 Display Indication Details Indication Details Indication Details Indication Details Indication Details Indication Details No RMC address Indication and Details RMC1 RMC2 address setting mode You must set RMC address setting mode when using the centralized Control . 4-30 Samsung Electronics...
- Page 49 Display error of Outdoor unit LED(RED/GRN/YEL) Samsung Electronics 4-31...
- Page 50 4-32 Samsung Electronics...
- Page 51 Samsung Electronics 4-33...
- Page 52 4-34 Samsung Electronics...
- Page 53 Set the indoor mode Switch Only Cooling Samsung Electronics 4-35...
- Page 54 4-36 Samsung Electronics...
- Page 55 Samsung Electronics 4-37...
- Page 56 4-6-1-3 Communica n error a er g Tracking 4-38 Samsung Electronics...
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Page 57: Eeprom Circuit Failure
4-6-1-4 EEPROM circuit failure EEPROM component failure, EEPROM circuit parts damaged/Soldering (damaged/Soldering failure) Samsung Electronics 4-39... - Page 58 4-6-2 Outdoor unit is not powered on – Initial diagnosis(1phase) Turn off the main power switch 4-40 Samsung Electronics...
- Page 59 Caution! When you remove PBA, you have to check DC link Voltage. After Power off, DC link Voltage is so high! Measuring point Normal value Resistance R - S over the hundreds Samsung Electronics 4-41...
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Page 60: Outdoor Unit Fan Error
HUB PCB of Outdoor unit 4-6-4 Outdoor unit fan error Turn on the only this LED(Yellow). - E458 4-42 Samsung Electronics... - Page 61 HUB PCB of Outdoor unit Turn on the this LED(Red/Yellow). - E467 AJ***MCS*CH Samsung Electronics 4-43...
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Page 62: Ipm Over Current Error
4-6-6 IPM Over current error Turn on the Green LED, and blink the Yellow LED. - E500 AJ***MCS*CH Turn off the power and reconnect the table. Turn off the power and correct or replace the temperature sensor location 4-44 Samsung Electronics... - Page 63 4-6-7 Checking Temperature sensor HUB PCB of Outdoor unit 4-6-7-1 Outdoor discharge/OLP temperature sensor error Turn on the Green LED and blink the Yellow LED (E251) Blink only the Yellow LED (E320) Samsung Electronics 4-45...
- Page 64 HUB PCB of Outdoor unit 4-6-7-2 Outdoor out/EVAP temperature sensor error Blink the Red LED and the Green LED - E330~E334 Blink all LED(Red, Green, Yellow) - E335~E339 4-46 Samsung Electronics...
- Page 65 11. When connected to an outdoor unit manufactured after June, 2011, a new option code is not needed. Samsung Electronics 4-47...
- Page 66 #2 : N.C #1 : DC 5V #1 : DC 310V~340V #9 : GND #2 : GND #2,#3 : N.C #10 : DC 12V #3 : DC 12V #4 : DC 19V~27V #5 : AGND CN31 - DOWNLOAD DOWNLOAD Samsung Electronics...
- Page 67 6:REMOCON signal out 5:EVA discharge 7,8:Not used 9:REMOCON_INT 10:GND 11:Vcc a l f 2:VENT_OUT 2-5: Louver control signal 3:SPI CONTROL 2:DRAOM_PUMP_OUT 7-10:Louver control signal (13) Human Sensor (14) External (15) External (16) COM1,COM2,V1,V2 3-F4: Com2 3:Com4_RXD 4:Human sensor reset 5:GND Samsung Electronics...
- Page 68 Panel PCB ① CN01-DISPLAY #6 : Remocon signal out #9 : Remocon signal IN Samsung Electronics...
- Page 69 EVA out Temperature Address Switch Heater Temperature Option Switch Wired Remote Controller Power(12V) Fan (Tap Control) Control Signal Ventilator Drain Pump Display Hot Coil Operating Check Signal Fan (SSR) HALL IC Trans In Download Main Power COM 1 Trans out Samsung Electronics...
- Page 70 #3 : GND #4 : VCC #3 : VCC #5 : 12V #4 - #7 : SIGNAL #6 : SIGNAL CN303 - 485 COMM CN103 - EARTH OWNLOAD #1 : SIGNAL #1 : EARTH #2 : SIGNAL 5-12 Samsung Electronics...
- Page 71 #3 : GND #CN403 : W-PHASE (YEL) #3 : GND #3 : GND #4 : VCC #4 : DC 15V #4 : DC15V #5 : 12V #5, #6 : SIGNAL #5, #6 : SIGNAL #6 : SIGNAL Samsung Electronics 5-13...
- Page 72 ② ③ ① L1 - AC POWER L phase N1 - AC POWER N phase CN01 - AC POWER #L1 : BRN #N1 : SKY - BLU #1 - #3 : AC 220~240V 5-14 Samsung Electronics...
- Page 73 #1 : 12V #1,5 : 12V #2,4 : GND #2,4 : GND #2 : GND #2 -3 : signal CN451 - PIPE_OUT CN450 - PIPE_IN #1,3,5,7 : Sensor signal #1,3,5,7 : Sensor signal #2,4,6,8 : GND #2,4,6,8 : GND Samsung Electronics 5-15...
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Page 74: Indoor Unit
6. Wiring Diagram 6-1. INDOOR UNIT Samsung Electronics... - Page 75 This Document can not be used without Samsung’s authorization. Samsung Electronics...
- Page 76 Samsung Electronics...
- Page 77 6-10 Samsung Electronics...
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Page 78: Indoor Unit
It is harmful to the air conditioner if it is used in the following environments: greasy areas (including areas near machines), salty areas such as coast areas, areas where sulfuric gas is present such as hot spring areas. Contact your dealer for advice. Samsung Electronics... - Page 79 Samsung Electronics...
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Page 80: Connecting Up And Purging The Circuit
9. Set valve cork of both liquid side and gas side of packed valve (inch) 0.14 to 0.18 10. Mount the valve stem nuts and the service port cap to the valve, 0.07 to 0.09 0.18 to 0.22 0.22 to 0.25 Samsung Electronics... - Page 81 8-3 Refrigerant Re ll Samsung Electronics...
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Page 82: Refrigerant Adjustment
8-4 Refrigerant Adjustment AJ***MCS*CH AJ***MCS*CH 8-5 Flare Nut Fixing Torque Samsung Electronics... -
Page 83: Pump Down Procedure
8-6 "Pump down" Procedure Samsung Electronics... -
Page 84: Index Of Model Name
380V, 60Hz, 3 MSP Duct AA USA 460V, 60Hz, 3 LSP Duct 220~240V, 50/60Hz 208~230V, 60Hz, 3 (3) Year (6) Series (RAC) 127V, 50Hz 2013 FLAGSHIP (Best) 380~415, 50/60Hz, 3 2014 PREMIUM (Better) DELUXE (Good1) 2015 2016 STANDARD (Good2) 2017 Samsung Electronics... - Page 85 X 1,000 Btu/h (3digits) EU Europe 460V, 60Hz, 3 220~240V, 50/60Hz Nordic (3) Year 208~230V, 60Hz, 3 2013 (6) Max room number 127V, 50Hz 2014 2 rooms 380~415, 50/60Hz, 3 2015 3 rooms 2016 4 rooms 2017 5 rooms 8-12 Samsung Electronics...
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Page 86: Refrigerant Cycle Diagram
8-8 Refrigerating Cycle Diagram Samsung Electronics 8-13... -
Page 87: Pressure & Capacity Mark
Heat exchanger; A device, used to transfer heat from a fluid on one side of a barrier to a fluid ASS’Y EVAP/ASS’Y COND on the other side without bringing the fluids into direct contact. (Full name : assemble evaporator / assemble condenser) 8-16 Samsung Electronics... -
Page 88: Q&A For Non-Trouble
It occurs when the drain pump is plugged out or it is out of order. Check the power of the drain pump and the position of the drain hose, and when the pump is faulty, contact the drain pump manufacturer. Samsung Electronics do not manufacture drain pumps. So, we are not able to correct the drain pump problems. - Page 89 Set up a sun blind over the outdoor unit and clear the neighboring obstacles from the outdoor unit to provide good ventilation. When it goes off frequently during a heat wave, it would prevent the turn-off and increase the cooling capacity cleaning the outdoor unit or spraying some water to the heat exchanger. 8-18 Samsung Electronics...
- Page 90 There is a cost table. But, our service engineer needs to visit to total up the cost correctly. When you move in, make sure to contact Samsung Electronics Service Center or Authorized Service Agent in advance to streamline the process.
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Page 91: Common Sense Of Refrigeration
But generally the value of fresh indoor temperature is that below 0.66 ft/s of indoor air circulation, the temperature is 69.8 ~ 82.4 ℉. when the wall temperature is the same as the indoor's and relative humidity is 30~31% in summer, the winter temperature is 68 ~ 75.2 ℉ and relative humidity is 30~60% in winter. 8-20 Samsung Electronics... - Page 92 © Samsung Electronics Co., Ltd. 2017. This Service Manual is a property of Samsung Electronics Co., Ltd. Printed in China. Any unauthorized use of Manual can be punished under applicable International and/or domestic law.