Page 1 SYSTEM AIR CONDITIONER OUTDOOR UNIT DVM S ECO BIG AM100KXMDGH/EU AM100KXMDHH/TC AM120KXMDGH/EU AM120KXMDHH/TC AM140KXMDGH/EU AM140KXMDHH/TC AM100KXMDGH/TL AM100KXMDGH/TK AM120KXMDGH/TL AM120KXMDGH/TK AM140KXMDGH/TL AM140KXMDGH/TK AM080KXMFGH/ID AM080KXMFHH/MG AM100KXMFGH/ID AM100KXMFHH/MG AM080KXMDFH/TC AM100KXMDFH/TC AM120KXMDFH/TC AIR CONDITIONER CONTENTS 1. Precautions 2. Product Specifications 3. Disassembly and Reassembly 4.
Page 2: Table Of Contents
5-1 MAIN ....................................5-1 5-2 Inverter ....................................5-5 5-3 EMI .....................................5-8 5-4 Fan ....................................5-10 5-5 Communication ................................ 5-14 6. Wiring Diagram ....................6-1 6-1 AM100/120KXMDGHS, AM100/120KXMDHHS, AM080/100KXMFGHS, AM080/100KXMFHHS ..6-1 6-2 AM140KXMDGHS, AM140KXMDHHS .......................6-3 6-3 AM080KXMDFHS ................................6-5 6-4 AM100/120KXMDFHS ...............................6-7 Samsung Electronics...
Page 3 7-2 AM120KXMDGHS, AM120KXMDHHS, AM100KXMFGHS, AM100KXMFHHS, AM100KXMDFHS ..7-1 7-3 AM120KXMDFHS ................................7-2 7-4 AM140KXMDGHS, AM140KXMDHHS .......................7-2 7-5 Cycle Component Function Explanation ......................7-3 8. Key Options ......................8-1 8-1 Outdoor unit option switch settings ........................8-1 9. Reference Sheet ....................9-1 9-1 Model code index ................................9-1 Samsung Electronics...
Page 4: Precautions
 Explain to workers that the battery for the remote control needs to be separated for storage purposes when the product will not be used for a long time. – This can cause a problem for the remote control since battery fluid may trickle out. Samsung Electronics...
Page 5: Precautions For Handling Refrigerant For Air Conditioner
If the compressor is operating while the refrigerant pipe is not correctly connected and the service valve is opened, then air and other substances can enter the pipe. The interior of the refrigerant cycle may then build up excessive high pressure resulting in explosion and damage. Samsung Electronics...
Page 6: Product Specifications
Intercooler Vapor + Liquid Outdoor DB Temperature ※ 10HP, ’15Y High EER vs ‘14Y Standard ※ Flash Injection : Injection of mixed Vapor with liquid Ref. for increasing Ref. flow density at low ambient. Samsung Electronics...
Page 7: Structure Of Product
PLATE HEAT EXCHANGER COMPRESSOR HIGH PRESSURE SENSOR VALVE 4WAY HOT GAS BYPASS VALVE DISCHARGE CHECK VALVE LOW PRESSURE SENSOR PLATE COOLING OIL SEPARATOR EVI BYPASS VALVE EVI VALVE SUB COOLER (PHE) MAIN EEV EVI EEV EEV BYPASS CHECK VALVE Samsung Electronics...
Page 8 Product Specifications MAIN PBA FAN PBA REACTOR INVERTER PBA EMI PBA COMMUNICATION PBA Samsung Electronics...
Page 9: Product Specifications
Nominal Heating 4.67 4.79 4.55 Efficiency IPLV Not applicable Not applicable Not applicable Type Samsung Scroll Inverter Samsung Scroll Inverter Samsung Scroll Inverter Output kW × n 5.18 x 1 6.39 x 1 6.76 x 1 Model Name DS-GB052FAVB DS-GB066FAVB DS-GB070FAVA...
Page 10 Nominal Heating 5.10 5.00 4.70 Efficiency IPLV Not applicable Not applicable Not applicable Type Samsung Scroll Inverter Samsung Scroll Inverter Samsung Scroll Inverter Output kW × n 5.18 x 1 6.39 x 1 6.76 x 1 Model Name DS-GB052FAVB DS-GB066FAVB DS-GB070FAVA...
Page 11 Nominal Heating 5.10 5.00 4.70 Efficiency IPLV Not applicable Not applicable Not applicable Type Samsung Scroll Inverter Samsung Scroll Inverter Samsung Scroll Inverter Output kW × n 5.18 x 1 6.39 x 1 6.76 x 1 Model Name DS-GB052FAVB DS-GB066FAVB DS-GB070FAVA...
Page 12 Nominal Heating 4.67 4.79 4.55 Efficiency IPLV Not applicable Not applicable Not applicable Type Samsung Scroll Inverter Samsung Scroll Inverter Samsung Scroll Inverter Output kW × n 5.18 x 1 6.39 x 1 6.76 x 1 Model Name DS-GB052FAVB DS-GB066FAVB DS-GB070FAVA...
Page 13 3.29 Nominal Heating 4.51 4.41 4.51 4.41 Efficiency IPLV Not applicable Not applicable Not applicable Not applicable Samsung Scroll Samsung Scroll Samsung Scroll Samsung Scroll Type Inverter Inverter Inverter Inverter Output kW × n 5.18 x 1 6.39 x 1 5.18 x 1...
Page 14 Nominal Heating 4.51 4.41 4.10 Efficiency IPLV Not applicable Not applicable Not applicable Type Samsung Scroll Inverter Samsung Scroll Inverter Samsung Scroll Inverter Output kW × n 5.18 x 1 6.45 x 1 6.45 x 1 Model Name DS-GB052FBV+ DS4GJ066EV+...
Page 15: Accessory And Option Specifications
(Only H/R)-Outdoor Unit MXJ-TA3800M Over 140.2 kW MEV-E24SA EEV KIT (1 Room) MEV-E32SA MXD-E24K132A MXD-E24K200A EEV KIT (2 Room) Applty to products without EEV MXD-E32K200A (Wall mount & Ceiling) MXD-E24K232A MXD-E24K132A MXD-E24K300A EEV KIT (3 Room) MXD-E32K224A MXD-E32K300A 2-10 Samsung Electronics...
Page 16: Disassembly And Reassembly
3. Disassembly and Reassembly 3-1 Necessary Tools Item Remark +SCREW DRIVER MONKEY SPANNER -SCREW DRIVER NIPPER ELECTRIC MOTION DRIVER L-WRENCH Samsung Electronics...
Page 17: Disassembly And Reassembly
CABINET FRONT RIGHT Warning:Make sure the power is disconnected before work 1) Remove 3 screws. (use "+" screw driver or electric motion driver) CABINET TOP 2) Remove 8 screws around cabi top. (use "+" screw driver or electric motion driver) Samsung Electronics...
Page 18 1) Remove 2 screws (use "+" screw driver or electric motion driver) and lift up to take INSTALL off. GUARD COND 1) Take off the sensor. 2) Remove 4 screws. (use "+" screw driver or electric motion driver) Samsung Electronics...
Page 19 Disassembly and Reassembly Parts Procedure Remark CABI BACK RIGEHT 1) Take out the sensor wire through the holeon cabinet. 2) Remove 13 screws. (use ""+"" screw driver or electric motion driver) Samsung Electronics...
Page 20 Disassembly and Reassembly Parts Procedure Remark CABINET BACK INSTALL 1) Remove 2 scrwe. (using "+" screw driver or electric motion driver) CABI FRONT LF 1) Remove 10 screws. (using "+" screw driver or electric motion driver) Samsung Electronics...
Page 21 Procedure Remark FAN PROPELLER 1) Remove nut,take out the fan. (using wrench turn clockwise) MOTOR 1) Remove 4 screws,take off the motor. (using "+"screw driver or electric motion driver) 2) Pull out the connector on main pcb board. Samsung Electronics...
Page 22 Warning : Make sure the power is disconnected before work 2) Remove the screw that fix comp power wire. (using "+" screw driver or electric motion driver) 3) Remove the screw that fix comp power wire. (using "+" screw driver or electric motion driver) Samsung Electronics...
Page 23 (using "+" screwdriver or electric motion driver) b) Remove 2 screws that fix reactor wire. (using "+" screwdriver or electric motion driver) c) Remove 2 screws that fix reactor and pull up it. (using "+" screwdriver or electric motion driver) Samsung Electronics...
Page 24 PBA. e) Remove 2 screws that fix PBA CASE,and pull out assy fan motor diver PBA, d) Pull out the connector wire that's on MAIN PBA. e) Remove 4 screws that fix MAIN PBA,and pull out it. Samsung Electronics...
Page 25 Band the handel of the case and take off the assy inverter PBA. (Reffer right pic) Warning : Becareful when take off inverter pcb ;when reas- semble should ensure the silicon grease thin and even. 3-10 Samsung Electronics...
Page 26 Disassembly and Reassembly Parts Procedure Remark CONTROL BOX i) Pull out the connector wire that's on EMI PBA. j) Remove 4 screws that fix EMI PBA,and pull out it. (using "+" screwdriver or electric motion driver) Samsung Electronics 3-11...
Page 27 Remark CONTROL BOX 5) Remove 6 screws that fixing heat sink with control case. 6) Remove 5 screws that fixing control box with partition and bracket valve. 7) Then you can take off the whole control box. 3-12 Samsung Electronics...
Page 28 Warning : When removing the compressor,Heat Exchanger, and Pipe, purge the Coolant inside the Compressor com- pletely and remove the pipe with a welding flame. TUBE DISCHARGE 1) Separate 2 weld points by using a welder. (Tube discharge to oil separator&compressor) Samsung Electronics 3-13...
Page 29 Procedure Remark ASSY TUBE-OIL 1) Separate 2 weld points by using a welder . (1. Oil separator to 4way valve tube. SEPARATOR 2.Oil tube to suction tube.) 2) Remove 2 screws that fix oil separator on accumulator. 3-14 Samsung Electronics...
Page 30 2) Separate 2 weld points by using a welder (1.scution tube to comperessor. 2.tube vapor to comperessor.) 3) Remove 3 screws refer to the picture. - After ewmove screw on bracket valve, need to pall up it from patition Samsung Electronics 3-15...
Page 31 Disassembly and Reassembly Parts Procedure Remark ASSY COND 1) Remove 1 screw that fix partition. Remove 2 screws that fix cond. (Using "+" screwdriver or electric motion driver.) 3-16 Samsung Electronics...
Page 32 1) Remove felt top and felt side from comp- eressor. 2) Open cover power of comp,remove power wire. (using "+" screwdriver or electric motion driver) 3) Remove 3 screws on front of comp and 1 screw back of comp. Samsung Electronics 3-17...
Page 33 1) Separate 1 weld points by using a welder. (EEV tube to cond) 2) Separate 1 weld points by using a welder. (EEV tube to tube plate cooling) 3) Remove 2 screws fix assy eev tube on brack- et accumulator. Pull out assy tube-EEV. 3-18 Samsung Electronics...
Page 34 Disassembly and Reassembly Position of the sensor and Valve ■ VALVE & SENSOR  Valve & Sensor  4WAY VALVE  HIGH PRESSURE SENSOR  HIGH PRESSURE SWITCH   LOW PRESSURE SENSOR   Samsung Electronics 3-19...
Page 35 Position of the sensor and Valve ■ VALVE & SENSOR Valve & Sensor  ACCUM IN SENSOR INSULATION INSU CODE   DB62-08752F   DB62-08752F  VALVE & SENSOR  Valve & Sensor  HOT GAS VALVE 3-20 Samsung Electronics...
Page 36   DISCHARGE SENSOR  EVI OUT SENSOR   INSULATION   INSU CODE  DB62-08752D  DB62-08752A  DB62-08752B  DB62-08752D INSULATION INSU CODE  DB62-08752D    DB62-08752A  DB62-08752B  DB62-08752D  Samsung Electronics 3-21...
Page 37 4WAY+OIL SEPA ② DISCHARGE+OIL SEPA ③ DISCHARGE+COMP ④ EEV OUT+TUBE COOLING ⑤ TUBE COOLING+TUBE PHE IN ⑥ TUBE EVI+ACCUM ⑦ SUCTION+ACCUM ⑧ 4WAY+TUBE COONECTOR ⑨ TUBE CONNENCTOR+COND IN ⑩ SUCTION+COMP ⑪ VAPOR INJECTION+COMP ⑫ COND OUT+EEV IN 3-22 Samsung Electronics...
Page 38: Precaution When Replace The Compressor
Leakage test by nitrogen gas and release all nitrogen gas from outdoor unit and evacuate again. Add an additional refrigerant to the system which was decided step 3. Open the service valve and choose Auto Trial Operation through pushing K1 switch in outdoor main PCB and hold 1 time. Samsung Electronics 3-23...
Page 39 ※ GB052* : 31.7kg / GB066* : 35.5kg / GB070 : 36.8kg (including oil 1200cc) ※ If broken compressor is 0.8kg or more lighter than new one, Oil return line is blocked. 2. Check the weight of oil lubricating part(Assy. accumulator, Assy. oil separator) 3-24 Samsung Electronics...
Page 40 If there is little oil in accumulator, oil may stay in Oil separator. Check brazing point 1. Blowing by nitrogen gas 2. Cut and see Cut & Nitrogen gas blowing * Brazing point check Ex) blocked by brazing substance. Samsung Electronics 3-25...
Page 41 Operation Status Heat Heat Error Code Capacity 22HP 22HP Target Frequency1 Order Frequency1 Current Frequency1 Target Frequency2 Order Frequency2 Current Frequency2 Check points High Pressure 23.6 24.6 Saturated T-Pd Low Pressure Saturated T_Ps Discharge1 53.1 Discharge2 53.5 62.7 3-26 Samsung Electronics...
Page 42: Eev Kit
1) Separate 1 fixing screw from EEV kit. (Use + Serew Driver) 2) Separate cabinet from EEV kit. Control parts 1) Separate 2 fixing screws from EEV kit. (Use + Serew Driver) 2) Separate control part from EEV kit. Samsung Electronics 3-27...
Page 43: Service Operation
4. Troubleshooting 4-1. Service Operation 4-1-1 Special Operation Samsung Electronics...
Page 44 Forced oil collection “K” “C” “BLANK” “BLANK” 9 times Inverter compressor check “K” “D” “BLANK” “BLANK” 10 times Fan 1 check “K” “E” “BLANK” “BLANK” 11 times Fan 2 check “K” “F” “BLANK” “BLANK 12 times End key operation Samsung Electronics...
Page 45 120 Hz → 1, 2, 0 compressor Master indoor unit not selected → BLANK , N , D 19 times Master indoor unit address If indoor unit No.1 is selected as the master unit → 0 , 0 , 1. Samsung Electronics...
Page 46 Communication error between indoor and outdoor unit (Installation number setting error repeated E-201 indoor unit address, indoor unit communication cable error). Communication error between indoor and outdoor unit(Communication error on all indoor unit, E-202 outdoor unit communication cable error). Samsung Electronics...
Page 47 Heating mode restriction due to high air temperature. E-441 Cooling mode restriction due to low air temperature. E-442 Refrigerant charging restriction in heating mode when air temperature is over 15°C. E-443 Operation prohibited due to low pressure. E-445 CCH is detached. Samsung Electronics...
Page 48 E-563 checked). E-573 Error due to using single type outdoor unit in a module installation. E(P)-702 Error due to closed EEV of indoor unit(1st detection). E(P)-703 Error due to opened EEV of indoor unit(1st detection). Trial operation uncompleted(Unprepared). Samsung Electronics...
Page 49 (The set temperature=3°C) (The set temperature=40°C) Outdoor fan and valves Normally control conduct Operation time Min : 60 minutes, Max : 10 hours Exceed the maximum operating time at stops and waits. Etc. Protection and control, self-diagnosis is performed. Samsung Electronics...
Page 50 Main EEV 2000 Step Maximum operation 30 minutes time Does not conduct the operation of the special operation, and protection control. Etc. Pressure and temperature is outside normal limits : Operation is shut down after gas pipe manually closed. Samsung Electronics...
Page 51 Press the K2 tact switch 3 times. How to initiate Discharge is complete, the power of the Inverter Etc. PCB is being blocked, communication function is blocked, E206 will occur. Samsung Electronics...
Page 52 Outdoor temperature is less than or equal to 10°C : heating auto trial operation. Oil recovery start Oil recovery start : It is after 10 minutes which safety start finishes. Etc. The outdoor unit will stop as a normal pattern after oil recovery operation for ten minutes. 4-10 Samsung Electronics...
Page 53 Guaranteed range of auto trial operation. - For precise judgment, you must perform auto trial operation in below indoor/outdoor temperature condition. ■ Checklist before auto trial operation Outdoor temperature ( °C) - - - - Cooling mode ─── Heating mode Samsung Electronics 4-11...
Page 54: Dvm S Eco Model Eeprom Code Table
Make sure to close the outdoor unit cabinet during operation. If you operate the unit with Etc. the front cabinet open, it may cause damage to the product. 4-1-2 DVM S Eco Model EEPROM Code Table Model Name EEP Code AM100KXMDGH DB82-03361A AM120KXMDGH DB82-03362A AM140KXMDGH DB82-03363A 4-12 Samsung Electronics...
Page 55: Appropriate Measures For Different Symptom
※ Whole system power reset - To solve the problem through the power reset after the address is reset the power reset of individual units is meaningless and the power of the whole system must be reset. Samsung Electronics 4-13...
Page 56 Indoor unit Display ◑ × ◑ × Duct, Cassette (1/2 Way), Console, Ceiling Operation Timer Turbo 24°C 27°C ◑ ◑ × × × ※ ● : ON ◑ : Flash ×: OFF Judgement Method • Communication error between indoor and outdoor units. Cause of problem • Refer the next page. 4-14 Samsung Electronics...
Page 57 PCB, and change the PCB. peculiarity, then connect the indoor units one by one to ﬁnd the indoor unit that is interfering with the communication for inspection and change the indoor unit PCB. Samsung Electronics 4-15...
Page 58 Check the Main PCB : Main PCB TX circuit Is FAN PCB LD22, 32 Inspection ﬂashes? * When performing the connector work, Please turn oﬀ the main power. Replace main PCB 4-16 Samsung Electronics...
Page 59 Cause of problem • C-Box internal Inverter PCB, Fan PCB, Hub PCB defective. Lighting of Fan PCB Check the connection status (CN12 connector) LD41 did conﬁrmation? Is Fan PCB CN13 connector accurately Fan PCB CN13 connection. connected? Replace Fan PCB (Fan PCB TX part : Breakage) Samsung Electronics 4-17...
Page 60 Did the resistance value signiﬁcantly stray Replace this since it is the defective of the outdoor from the following temperature sensor itself. temperature table? Temperature(°C) Resistance(KΩ) Restart operation after replace the 12.1 18.0 27.3 43.0 4-18 Samsung Electronics...
Page 61 Did the resistance value signiﬁcantly stray Replace this part as it is the defective of the from the following outdoor Cond Out sensor itself. temperature table? Temperature(°C) Resistance(KΩ) Restart operation after replace the PCB 12.1 18.0 27.3 43.0 Samsung Electronics 4-19...
Page 62 Replace this part as it is the defective of value signiﬁcantly stray the compressor discharge or top temperature from the following sensor itself. temperature table? Temperature(°C) Resistance(KΩ) 11.2 Restart operation after replace the PCB 18.5 32.0 59.0 4-20 Samsung Electronics...
Page 63 Re -insert sensor OR and re -attach sensor holder the sensor holder correctly attached? Is the discharge or top temperature sensor Defective sensor : Replace sensor. resistance value reasonable ? (Refer to E251) Complete Samsung Electronics 4-21...
Page 64 30 minutes to keep.(Judgment at heating operation only) Cause of problem • Suction temperature sensor breakaway / defective. Is Suction sensor and sensor Holder Re-insert sensor OR and re-attach sensor holder. accurately attached? Is Suction sensor resistance value Defective sensor : Replace sensor. reasonable? (Refer to E231 ) Complete 4-22 Samsung Electronics...
Page 65 (Please check by connecting Reﬁll refrigerant after vacuum the manifold gageto the service valve) Out of the PCB High Pressure sensor Replace PCB terminals, is there voltage between pins 3 and 4 5V? Replace High Pressure sensor Samsung Electronics 4-23...
Page 66 Reﬁll refrigerant after vacuum the manifold gage to the service valve) Out of the PCB Low Pressure sensor terminals, is there Replace PCB voltage between pins 3 and 4 5V? Replace Low Pressure sensor 4-24 Samsung Electronics...
Page 67 Did the resistance value signiﬁcantly stray Replace this part as it is the defective of the liquid from the following pipe temperature sensor itself. temperature table? Temperature(°C) Resistance(KΩ) Restart operation after replace the PCB 12.1 18.0 27.3 43.0 Samsung Electronics 4-25...
Page 68 Did the resistance value signiﬁcantly stray Replace this part as it is the defective of the liquid from the following pipe temperature sensor itself. temperature table? Temperature(°C) Resistance(KΩ) Restart operation after replace the PCB 12.1 18.0 27.3 43.0 4-26 Samsung Electronics...
Page 69 Did the resistance value signiﬁcantly stray Replace this part as it is the defective of the from the following outdoor EVI in temperature sensor itself. temperature table? Temperature(°C) Resistance(KΩ) Restart operation after replace the PCB 12.1 18.0 27.3 43.0 Samsung Electronics 4-27...
Page 70 Did the resistance value signiﬁcantly stray Replace this part as it is the defective of the from the following outdoor EVI out temperature sensor itself. temperature table? Temperature(°C) Resistance(KΩ) Restart operation after replace the PCB 12.1 18.0 27.3 43.0 4-28 Samsung Electronics...
Page 71 Remark Measure More than 3 MΩ the resistance values Measurement error can occur for reasons such as the initial mea- surement condenser discharge. Measured over at least three times. Measure the diode 0.3 ~ 0.7V voltage values Samsung Electronics 4-29...
Page 72 (U ↔ V,V ↔ W,W ↔ U) less than 10Ω ? Is the resistance between the body of Replace Fan Motor. Fan Motor and chassis MΩ? Does the compressor Check the connection wire. connection wire properly connect? Replace Fan PCB 4-30 Samsung Electronics...
Page 73 Duct, Cassette (1/2 Way), Console, Ceiling Operation Timer Turbo 24°C 27°C ◑ ◑ × × × ※ ● ◑ : ON : Flash ×: OFF Judgement Method • Refer the next page • I f there is no problem after checking the connection status between fan motor Cause of problem and PBA, replace the PBA. Samsung Electronics 4-31...
Page 74 If you rotate the fan by Replace f an motor hand, the noise occurs? Connection wire of Fan Motor did conﬁrmation ? Check the connection status, and then restart. (Check the connection status of the Fan1 and Fan2.) Replace Fan PCB 4-32 Samsung Electronics...
Page 75 Fan Motor did conﬁrmation ? (Verify Check the connecting wire and restart it. that the wire folded, or the connection is detached .) Is there anything strange in Replace Fan PCB appearance Fan Motor? Replace Fan Motor Samsung Electronics 4-33...
Page 76 Is the bolt of the heat Tighten Bolt sink fully tightened? Did check the foreign Remove foreign objects and apply the heat sink objects between the grease and then reassembly heat sink and IPM? Complete 4-34 Samsung Electronics...
Page 77 Outdoor Fan Motor. Fan Motor and chassis MΩ? Does the Fan Motor connection wire Check the connection wire properly connect to the (Check the status of the connection U V W ) compressor? FAN Replace PCB . Samsung Electronics 4-35...
Page 78 (Verify that the wire folded, or the connection is detached.) HALL IC on the PCB is Check the connecting wire and restart it. connected correctly? Replace Fan PCB. Restart. When the error is repeated, replace the Fan Motor. 4-36 Samsung Electronics...
Page 79 2.8V or 0.2V less than • Input voltage defective Cause of problem • PCB voltage sensing circuit defective Power Oﬀ Is Power connection Power Cable re -connection accurately connected? E -393 / E -493 E -468 / E -485 Replace Fan PCB Replace Inverter PCB Samsung Electronics 4-37...
Page 80 Did the Fuse is short ? Replace Fuse. Is EMI PCB and Inverter PCB accurately Power Oﬀ and then re -connection. connected? Is Inverter PCB and Fan PCB DC -Link Replace Fan PCB voltage connection wire accurately connected? Replace Inverter PCB. 4-38 Samsung Electronics...
Page 81 Indoor unit Display ◑ ◑ ◑ × Duct, Cassette (1/2 Way), Console, Ceiling Operation Timer Turbo 24°C 27°C ◑ ◑ × × × ※ ● ◑ : ON : Flash ×: OFF Judgement Method • Refer the next page Cause of problem • Replace FAN PBA. Samsung Electronics 4-39...
Page 82 Duct, Cassette (1/2 Way), Console, Ceiling Operation Timer Turbo 24°C 27°C ◑ ◑ ◑ × × ※ ● ◑ : ON : Flash ×: OFF Judgement Method • Value of the high pressure sensor is detected at 40kg/cm² or more.. Cooling Operation • Outdoor unit fan motor problem (constrained, defective) • Motor driver defective or wire is cut • Outdoor heat exchanger is contaminated. • Service valve locked/Fill refrigerant Cause of problem Heating Operation • Outdoor unit fan motor problem (constrained, defective) • Motor driver defective or wire is cut • Service valve locked/Excessive refrigerant 4-40 Samsung Electronics...
Page 83 : Flash ×: OFF • Judgment Method : Inspection when the value of low pressure sensor is Judgement Method 1.8kg / cm2, or less for air conditioning and 0.8kg /cm² for heating. • Refrigerant shortage • Electronic expansion valve blocked • Service valve blocked • Low pressure sensor defective Cause of problem • Leakage of compressor discharge check valve of not-go-end outdoor unit • E rror may be found when used in temperature range outside the conditions of use (Operating outside temperature at -20°C or less for heating and operating outside temperature at -5°C or less for Cooling) Samsung Electronics 4-41...
Page 84 Pipe inspection (ﬁlter etc.) Is there any leakage in the Liquid Pipe Valve or the discharge check Replace Low Pressure sensor valve of the not-go-end Outdoor Unit when only some Outdoor Units are operating? Check the refrigerant amount. 4-42 Samsung Electronics...
Page 85 Duct, Cassette (1/2 Way), Console, Ceiling Operation Timer Turbo 24°C 27°C ◑ ◑ ◑ × × ※ ● : ON ◑ : Flash ×: OFF • Judgment Method : Inspection when the value of low pressure sensor is Judgement Method 1.8kg / cm2, or less for air conditioning and 0.8kg /cm² for heating. • Refrigerant shortage • Electronic expansion valve is blocked. • Service valve blocked Cause of problem • Defective discharge temperature sensor • TOP temperature sensor defective • Blocked pipe and defective • Leakage of compressor discharge check valve of not-go-end outdoor unit Samsung Electronics 4-43...
Page 86 Are all service valves Open the Service Valve open? Are the Indoor Unit and Outdoor Unit EEV Check the relevant EEV normally operating ? Are there any blockage inside the Pipe inspection pipe? ( ﬁlter etc.) Check the refrigerant amount. 4-44 Samsung Electronics...
Page 87 : Flash ×: OFF • When turn on the power and check the status of the power from the inverter. If the phase does not connect the power(no phase) : E425 or E466 (E366) is dis- Judgement Method played (Air conditioner to maintain the normal state.) • However) N-phase must be properly connected. • Check the input wiring Cause of problem • EMI Fuse short. Samsung Electronics 4-45...
Page 88 Did the EMI PCB Fuse Replace Fuse, if the rectiﬁer diode of the inverter is short? PCB is normal. Is EMI PCB CN21 connector and Inverter Connection and then restart it PCB accurately connected? Replace Inverter PCB 4-46 Samsung Electronics...
Page 89 ◑ ◑ ◑ × × ※ ● ◑ : ON : Flash ×: OFF • Compression ratio [(High pressure+1.03)/(Low pressure+1.03)] less than 1.5 and lasts for 10 minutes or more Judgement Method • Differential pressure (high pressure - low pressure) less than 0.4 MPa.G and lasts for 10 minutes or more • Indoor and Outdoor EEV breakdown • 4Way Valve breakdown Cause of problem • High and Low pressure sensor defective • Refrigerant shortage Samsung Electronics 4-47...
Page 90 Gauge value in range? Are the 4Way Valve Check the 4Way Valve normally operating ? Are the indoor unit and outdoor unit EEV Check the relevant EEV normally operating? Is current of Compressor inspection compressor normally? Check the refrigerant Complete 4-48 Samsung Electronics...
Page 91 Duct, Cassette (1/2 Way), Console, Ceiling Operation Timer Turbo 24°C 27°C ◑ ◑ ◑ × × ※ ● ◑ : ON : Flash ×: OFF Judgement Method • DSH <10 °C, EVI Out-in <= 0°C & frequency> 65Hz 40 minutes maintaining • EVI EEV and Intercooler leakage, excessive refrigerant amount, Outdoor Check Valve inserted opposite. Cause of problem • I ndoor Unit EEV leakage, direct connection between Indoor Liquid Pipe and the Gas Pipe. Samsung Electronics 4-49...
Page 92 Replace Intercooler leakage. Normal Breakdown Check the Indoor Unit Replace Indoor Unit EEV EEV leakage Normal Check the connection Breakdown for Indoor Unit Pipe Reinstall pipe (Connect liquid pipe - gas pipe directly) Normal Check the refrigerant 4-50 Samsung Electronics...
Page 93 (Please check by Reﬁll refrigerant after vacuum connecting the manifold gauge to the service valve) Out of the PCB pressure sensor terminals, is there Replace PCB voltage between pins 3 and 4 5V? Replace Low Pressure sensor Samsung Electronics 4-51...
Page 94 ◑ ◑ ◑ × Duct, Cassette (1/2 Way), Console, Ceiling Operation Timer Turbo 24°C 27°C ◑ ◑ ◑ × × ※ ● : ON ◑ : Flash ×: OFF • Heating operation : When the outdoor temperature is more than 30 °C Judgement Method • Cooling operation : When the outdoor temperature is less than -15 °C Cause of problem • System protection operation status (Is not breakdown) 4-52 Samsung Electronics...
Page 95 × Duct, Cassette (1/2 Way), Console, Ceiling Operation Timer Turbo 24°C 27°C ◑ ◑ ◑ × × ※ ● ◑ : ON : Flash ×: OFF • W hen the heating refrigerant change : If the outdoor temperature is more Judgement Method than 15°C. Cause of problem • System protection operation status (Is not breakdown) Samsung Electronics 4-53...
Page 96 ﬁxed in correct position? Is CCH resistance normal? ( 500~700 Ω / Change CCH. inﬁnite for disconnection ) Does the E445 error occur even after Normal Operation. the outdoor unit power is put back in? Change PCB. 4-54 Samsung Electronics...
Page 97 Replace Compressor Compressor and chassis MΩ? Does the Compressor connection wire Check the connection wire (Check the status of the connection U V W ) properly connect to the compressor? Replace Inverter PCB Samsung Electronics 4-55...
Page 98 Replace Compressor. Compressor and chassis MΩ? Does the Compressor connection wire Check the connection wire (Check the status of the connection U V W ) properly connect to the compressor? Replace Inverter PCB. 4-56 Samsung Electronics...
Page 99 R , S, T wire? Did the EMI PCB Fuse Replace Inverter PCB and then restart it. is short? * Check the 3 -phase sensing circuit part. Replace Fuse, if the rectiﬁer diode of the inverter PCB is normal. Samsung Electronics 4-57...
Page 100 Outdoor unit Display E-486 • N-phase wiring error and EMI Fuse short. Judgement Method • DC-Link Overvoltage / Low voltage occurs. • Check the input wiring Cause of problem • EMI Fuse short Power Oﬀ Is Inverter PCB CN15 and Fan PCB CN11 DC-Link Connection and then restart it. voltage connection wire accurately connected? Replace Fan PCB 4-58 Samsung Electronics...
Page 101 Did check the foreign Remove foreign objects and apply the thermal objects between the grease and then reassembly. heat sink and IPM? Did properly apply the Apply the thermal grease and then reassembly. thermal grease ? Complete Samsung Electronics 4-59...
Page 102 : Change the setting after replace. Is the outdoor unit EEPROM accurately Connect outdoor unit EEPROM and then reset. connected to connector? Download relevant model EEPROM and then reset. ※ Execute automatic commissioning for UP cancellation after EEPROM download. 4-60 Samsung Electronics...
Page 103 Power On Does connected indoor unit become Replace the indoor unit that is compatible with the compatible with DVM INV. DVM inverter? Is software version of indoor unit since July, Software upgrade. 2011 ? Replace indoor unit PCB. Samsung Electronics 4-61...
Page 104 Download relevant model EEPROM and then reset. Outdoor unit single type exclusive use model (non -modular model), can not be module * Execute automatic commissioning for UP installation. ( single type only installation) cancellation after EEPROM download. 4-62 Samsung Electronics...
Page 105: Pcb Diagram And Parts List
5. PCB Diagram and Parts List 5-1 MAIN (cont.) Refer the next page When replace the MAIN PBA, remove the EEPROM from the existing MAIN PBA and insert it at the new MAIN PBA. Samsung Electronics...
Page 106 CN70-AC POWER CN704-HOT GAS BYPASS 1 CN55-COMM PBA LIVE NEUTRAL LIVE CN714-CCH 1 OUT NEUTRAL CN71-HIGH PRESSURE S/W NEUTRAL LIVE CN701-EVI VALVE 1 CN708-4WAY VALVE NEUTRAL Valve LIVE CN901-DRED NEUTRAL DRED1 CN703-EVI BYPASS 1 DRED2 LIVE DRED3 NEUTRAL Samsung Electronics...
Page 107 MAIN (cont.) Samsung Electronics...
Page 108 CN91 – INV COMM EEV1 SIGNAL 2 COND OUT SENSOR EEV1 SIGNAL 3 INV-SMPS EEV1 SIGNAL 4 AMBIENT SENSOR COMM-OUT CN44-SUCTION, EVI-IN, OUT SENSOR CN45-LIQUID SENSOR SUCTION SENSOR LIQUID SENSOR EVI IN SENSOR DISCHARGE SENSOR 2 EVI OUT SENSOR Samsung Electronics...
Page 109: Inverter
PCB Diagram and Parts List 5-2 Inverter □ MODEL : AMSSSKXMDGHS, AMSSSKXMDHHS, AMSSSKXMFGHS, AMSSSKXMFHHS Samsung Electronics...
Page 110 RX-DOWN CN701 - REACTOR2 S PHASE TX-DOWN REACTOR2 T - INPUT T PHASE BOOT CN91 - FAN DC T PHASE 18 V 5 V-FAN AD-SELECT CN15 - FAN DC LINK DC 540 V 11 - 20 Not use Samsung Electronics...
Page 111 AC LIVE AC NEUTRAL AC NEUTRAL R - INPUT R PHASE 11 - 20 Not use CN32-MAIN COMM R PHASE S - INPUT S PHASE 12 V-MAIN IN-SMPS-RELAY S PHASE T - INPUT T PHASE COMM-IN GND-MAIN T PHASE Samsung Electronics...
Page 112: Emi
CN41-EARTH AC LIVE EARTH (PE) CN101-R IN AC NEUTRAL R-IN CN102-S IN AC NEUTRAL S-IN CNCN108-HUB 220 V CN103-T IN AC LIVE T-IN CN104-N IN N-IN CN42-EARTH EARTH (PE) CN105-R OUT R-OUT CN106-S OUT S-OUT CN107-T OUT T-OUT Samsung Electronics...
Page 113 CN23-INVERTER 220 V CN41-EARTH AC LIVE EARTH (PE) CN101-R IN AC NEUTRAL R-IN CN102-S IN AC NEUTRAL S-IN CNCN108-HUB 220 V CN103-T IN AC LIVE T-IN CN42-EARTH EARTH (PE) CN105-R OUT R-OUT CN106-S OUT S-OUT CN107-T OUT T-OUT Samsung Electronics...
Page 114: Fan
PCB Diagram and Parts List 5-4 Fan □ MODEL : AMSSSKXMDGHS, AMSSSKXMDHHS, AMSSSKXMFGHS, AMSSSKXMFHHS 5-10 Samsung Electronics...
Page 115 RX-DEBUG 12 V-INV U1-V1-W1 TX-DEBUG INV SMPS RELAY-INV BOOT COMM-INV FAN1-U GND-INV FAN1-V CN101-FAN2 HALL SENSING FAN1-W CN401-POWER HALL - U DC 540 V HALL - V U2-V2-W2 HALL - W FAN2-U MOTOR - TEMP FAN2-V FAN2-W Samsung Electronics 5-11...
Page 116 PCB Diagram and Parts List (cont.) □ MODEL : AMSSSKXMDFHS 5-12 Samsung Electronics...
Page 117 CN401- DC HIGH VOLTAGE CS_DAC1 CLK_DAC1 DC HIGH VOLTAGE P DC HIGH VOLTAGE N Description Description CN301-DOWNLOAD2 U1-V1-W1 RX-DEBUG2 FAN1-U TX-DEBUG2 FAN1-V BOOT FAN1-W U2-V2-W2 FAN2-U FAN2-V FAN2-W CN302- FAN2 DAC VIEWER1_DAC2 VIEWER2_DAC2 VIEWER3_DAC2 DATA_DAC2 CS_DAC2 CLK_DAC2 Samsung Electronics 5-13...
Page 118: Communication
PCB Diagram and Parts List 5-5 Communication Description TB-COMM 5-14 Samsung Electronics...
Page 119: Wiring Diagram
Wiring Diagram 6. Wiring Diagram 6-1 AM100/120KXMDGHS, AM100/120KXMDHHS, AM080/100KXMFGHS, AM080/100KXMFHHS This Document can not be used without Samsung’s authorization. Samsung Electronics Samsung Electronics...
Page 120: Am140Kxmdghs, Am140Kxmdhhs
Wiring Diagram Wiring Diagram 6-2 AM140KXMDGHS, AM140KXMDHHS This Document can not be used without Samsung’s authorization. Samsung Electronics Samsung Electronics...
Page 121: Am080Kxmdfhs
6-3 AM080KXMDFHS This Document can not be used without Samsung’s authorization. Samsung Electronics Samsung Electronics...
Page 122: Am100/120Kxmdfhs
6-4 AM100/120KXMDFHS This Document can not be used without Samsung’s authorization. Samsung Electronics Samsung Electronics...
Page 123: Cycle Diagram
7. Cycle Diagram 7-1 AM100KXMDGHS, AM100KXMDHHS, AM080KXMFGHS, AM080KXMFHHS, AM080KXMDFHS 7-2 AM120KXMDGHS, AM120KXMDHHS, AM100KXMFGHS, AM100KXMFHHS, AM100KXMDFHS Samsung Electronics...
Page 124: Am120Kxmdfhs
Cond out sensor SC in sensor Φ7.8 SC out sensor Ambient air sensor 1/2” Service Valve (Liquid) 7㎜ 직경(외경) 6.35(1/4”) 9.52(3/8”) 12.7 (1/2”) 15.88 (5/8”) 19.05 (3/4”) 22.22 (7/8”) 25.4 (1”) 28.58 (9/8”) 직경(외경) 7㎜ 배관구분 배관구분 7-4 AM140KXMDGHS, AM140KXMDHHS Samsung Electronics...
Page 125: Cycle Component Function Explanation
25. Control box temp. Sensor : Control box internal temperature measurement, thermal protection used for the control. 26. Receiver : Storing the refrigerant piping system, a stable liquid refrigerant supply 27. Liquid Tube Valve : Refrigerant in the outdoor unit side, the indoor unit during heating operation to rotate the valve operation. Samsung Electronics...
Page 126: Key Options
■ Setting outdoor unit key function Switch Setting Function Remarks Not applicable Enable maximum capacity restriction for cooling Restrict excessive capacity increase when operating indoor operation units with small capacity Disable maximum capacity restriction for cooling SW53 operation Not applicable Not applicable Samsung Electronics...
Page 127: Reference Sheet
Standard + General temp. + Non module Model grade Standard + Tropical + Non module 380 ~ 415 V, 50 Hz, 3 Phase Power 380 V, 60 Hz, 3 Phase Mode Heat pump (R410a) CHINA EUROPE PHILIPPINES Buyer INDIA TURKEY MIDDLE EAST SAUDI ARABIA Samsung Electronics...

Samsung DVM S ECO BIG Series Service Manual

1 Precautions

2 Product Specifications

3 Disassembly and Reassembly

4 Troubleshooting

5 PCB Diagram and Parts List

6 Wiring Diagram

7 Cycle Diagram

8 Key Options

9 Reference Sheet

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