Page 1 SYSTEM AIR CONDITIONER OUTDOOR UNIT AM080/100/120/200FXWANR / AM300KXWANR AM072/096/120/192HXWAFR / AM240KXWAFR AM072/096/120/192HXWAJR / AM240KXWAJR AM038/048/055KXWDCH AIR CONDITIONER CONTENTS 1. Precautions 2. Product Specifications 3. Disassembly and Reassembly 4. Troubleshooting 5. PCB Diagram and Parts List 6. Wiring Diagram 7. Piping Diagram 8.
Page 2: Table Of Contents
2-5 Product Specification ................................. 27 2-5-1 Outdoor Unit ................................27 2-6 Accessory and Option Specifications ........................... 31 2-6-1 Controller ..................................31 2-6-2 Piping ..................................... 34 2-6-3 Indoor .....................................35 2-6-4 Controller & control Accessory Compatibility ....................37 2-6-5 Indoor units Accessory Compatibility ......................38 Samsung Electronics...
Page 3 4-3-20 Compressor Discharge or Top 1/2 Temperature sensor error ............104 4-3-21 Compressor Discharge or Top temperature sensor breakaway error ..........105 4-3-22 : Suction Temperature sensor breakaway error ...............106 4-3-23 High Pressure sensor error (Open/Short) ....................107 4-3-24 Low Pressure sensor error (Open/Short) ....................108 Samsung Electronics...
Page 4 4-4-12 Case study – E461/361 & E464/364 & E466/366 ..................156 4-4-13 Case study – Poor cooling caused by IPM overheated ................160 4-4-14 Case study – Related error with IPM ......................162 4-4-15 Case study – Temperature sensor open/short ..................163 4-4-16 Case study – Pressure sensor open/short....................164 Samsung Electronics...
Page 5 9-1 Auto Trial Operation ............................278 9-1-1 Overview of Auto Trial Operation .......................278 9-1-2 Auto Trial Operation Flow Chart ......................281 9-1-3 How to resolve NG items ........................282 9-2 Amount of refrigerant automatically checking ..................292 10. Nomenclature ................................293 10-1 Model Naming ..............................293 Samsung Electronics...
Page 6: 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 7: 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 8: Product Specifications
30 horsepower (HP) capacity. 30HP So instead of installing three 10HP units you only need one 30HP Samsung unit 30HP – using 56% less space and significantly reducing the costs of valves, fittings and 30HP gauges.
Page 9: Changes In Comparison To Basic Model (Am300Kxwanr)
Changed item And feature (10Ton + 10Ton) (DVM S Water 20Ton) Save Save Installation Space by 33% compared to basic 0.6 m 1.0 m Basic(10Ton + 10Ton) Cabinet 320kg 274kg (706lbs) (604lbs) Save Weight by 15% Compared to basic Samsung Electronics...
Page 10 Changed item AM080/100/120/200FXW* AM300KXW* part and feature AM72/096/120/196HXW* AM240KXW* - PBA & WIRE SIZE change . INV : 260*240 292*242 CONTROL . EMI : 230*130 242*145 . Power WIRE : #12 - Large IPM cooling <30HP> <8/10/12HP> <20HP> Samsung Electronics...
Page 11 Did Power Relay mount to PCB. 3 phase power EMI PCB EMI PCB - Fuse mount Communication Did Communication Terminal block Terminal block mount to PCB. Water Hub PCB Water Hub PCB - External contact for DVM S WATER Samsung Electronics...
Page 12 Water Hub PCB - External contact for DVM S WATER - Increases current due to high capacity compressor REACTOR - Improved wire connection termi- - Increases heat cooling capacity Refrigerant - Increases pipe size and heat cooling exchange area Samsung Electronics...
Page 13 - Enhanced fixing of load / control wire. Inverter PCB Compressor control (Compressor control Inverter PCB PCB) 3/4HP:PF#4 5/6HP : PF#5 Single-phase power supply EMI PCB EMI PCB - FUSE mount Water Hub PCB Water Hub PCB -The external contact point of the water-cooled. Samsung Electronics...
Page 14 Did Power Relay mount to PCB. 3 phase power EMI PCB ← EMI PCB - Fuse mount Communication Did Communication Terminal block ← Terminal block mount to PCB. Water Hub PCB Water Hub PCB - External contact for DVM S WATER Samsung Electronics...
Page 15: Structure Of Product (Am038/048/055Kxwdch Series)
Product Specifications 2-1 Feature of Product (cont.) 2-1-3 Structure of product (AM038/048/055KXWDCH Series) AM038/048/055KXWD Liquid Pipe Gas Pipe CONTROL BOX Plate Heat Exchanger Compressor 4WAY V/V SUBCOOLER ACCUMULATOR Samsung Electronics...
Page 16: (Large Size : Am200Fxwanr*,Am300Kxwanr* / Am192Hxwafr*,Am240Kxwafr*)
4 WAY V/V Sub Cooler Receiver Compressor Oil separator Plate Heat Exchanger Large size Liquid Pipe 4 WAY V/V High pressure Gas Pipe Low pressure Gas Pipe Accumulator CONTROL BOX Sub Cooler Oil separator Plate Heat Exchanger Receiver Compressor Samsung Electronics...
Page 17 Sub Cooler Compressor Receiver Oil separator Plate Heat Exchanger Large size TRANS BOX Liquid Pipe 4 WAY V/V High pressure Gas Pipe Accumulator Low pressure Gas Pipe CONTROL BOX Sub Cooler Oil separator Plate Heat Exchanger Receiver Compressor Samsung Electronics...
Page 18: 6Hp Dvm S Water : Exploded View
ASSY COMP PARTS ASSY CABINET PARTS Model 048/055 DVM WATER SMALL FRAME - SIZE : (750 X 800 X 330) DVM WATER UG8T300FUBJSG UG5T450FUEJXSG ASSY COND PARTS ASSY CONTROL OUT Model 048/055 Model 038/048/055 DVM WATER CBH60-24H CBH60-34H DVM WATER Samsung Electronics...
Page 19: 12Hp Dvm S Water : Exploded View
- SIZE : (770 X 1000 X 545) ASSY COMP PARTS Model 10HP 12HP DVM WATER 52CC*1 52CC*1 66CC*1 ASSY CONTROL OUT ASSY COND PARTS Refrigerant cooling system for IPM Model 10HP 12HP Model 10HP 12HP DVM WATER CBH60-54H DVM WATER Samsung Electronics...
Page 20: 20/30Hp Dvm S Water : Exploded View
DVM WATER LARGE FRAME - SIZE : ( 1100 x 1000 x 545 ) ASSY CONTROL OUT Refrigerant cooling system for IPM ASSY COND PARTS Model 20HP 30HP Model 20HP 30HP DVM WATER CBH60-88H ACH220EQ-70M DVM WATER 35A*2 50A*2 Samsung Electronics...
Page 21: Model Names Of Indoor/Outdoor Unit
2-2 Model names of Indoor/Outdoor Unit 2-2-1 Outdoor unit combination Premium Energy Efficiency Type (AM***FXWANR*) System Model Capacity of Single Unit (HP) 10HP 12HP 20HP Capa Code No. of Modules AM080FXWANR AM100FXWANR AM120FXWANR AM160FXWANR2 AM180FXWANR2 AM200FXWANR AM220FXWANR2 AM240FXWANR2 AM260FXWANR2 AM280FXWANR2 AM300FXWANR2...
Page 22: Premium Energy Efficiency Type (Am***Kxwdch*)
64 communication address. Indoor unit address can be assigned from 0~63. If the indoor unit address was assigned from 64~79, E201 error will occur. Maximum 32 Wall-mount type indoor units with EEV (AM****NQDEH*, AM***JNV*) can be connected. Samsung Electronics...
Page 23: Premium Energy Efficiency Type (Am***Hxwaf(J)R*)
64 communication address. Indoor unit address can be assigned from 0~63. If the indoor unit address was assigned from 64~79, E201 error will occur. Maximum 32 Wall-mount type indoor units with EEV (AM****NQDEH*, AM***JNV*) can be connected. Samsung Electronics...
Page 24: Indoor Unit
Global 4way cas- sette 4way CST (600 X 600) 360 CST Floor Standing Unit Slim duct MSP duct HSP duct Ceiling Console Neo forte Neo forte (with EEV) Hydro unit / HE Hydro unit / HT ERV plus Samsung Electronics...
Page 25 2way cassette Global 4way cassette 4way CST (600 X 600) 360 CST Floor Standing Unit Slim duct MSP duct HSP duct Ceiling Console Neo forte Neo forte (with EEV) Hydro unit / HE Hydro unit / HT ERV plus Samsung Electronics...
Page 26: Outdoor Unit
Product Specifications 2-2 Model names of Indoor/Outdoor Unit (cont.) 2-2-3 Outdoor unit Premium Energy Efficiency Type (AM***FXWANR*) Capa Capa Model Name Model Model Name Model [HP] [HP] AM080FXWANR AM340FXWANR2 AM100FXWANR AM360FXWANR2 AM120FXWANR AM380FXWANR2 AM160FXWANR2 AM400FXWANR2 AM180FXWANR2 AM420FXWANR2 AM200FXWANR AM440FXWANR2 AM220FXWANR2...
Page 27: Premium Compact Type (Am***Kxwanr*)
2-2 Model names of Indoor/Outdoor Unit (cont.) 2-2-3 Outdoor unit (cont.) Premium Compact Type (AM***KXWANR*) Capa Capa Model Name Model Model Name Model [HP] [HP] AM300KXWANR AM580KXWANR1 AM380KXWANR1 AM600KXWANR1 AM400KXWANR1 AM620KXWANR1 AM420KXWANR1 AM680KXWANR1 AM460KXWANR1 AM700KXWANR1 AM480KXWANR1 AM800KXWANR1 AM500KXWANR1 AM900KXWANR1 AM520KXWANR1 AM540KXWANR1 Samsung Electronics Samsung Electronics...
Page 28: Premium Energy Efficiency Type (Am***Kxwdch*)
AM055KXWDCH* Premium Energy Efficiency Type (AM***HXWAF(J)R*) Capa Capa Model Name Model Model Name Model (Ton) [Ton] AM072HXWA*R AM336HXWA*R2 AM096HXWA*R AM360HXWA*R2 AM120HXWA*R AM384HXWA*R2 AM144HXWA*R2 AM408HXWA*R2 AM168HXWA*R2 AM432HXWA*R2 AM192HXWA*R AM456HXWA*R2 AM216HXWA*R2 AM480HXWA*R2 AM240HXWA*R2 AM504HXWA*R2 AM264HXWA*R2 AM576HXWA*R2 AM288HXWA*R2 AM312HXWA*R2 Samsung Electronics Samsung Electronics...
Page 29: Premium Compact Type (Am***Kxwaf(J)R*)
2-2 Model names of Indoor/Outdoor Unit (cont.) 2-2-3 Outdoor unit (cont.) Premium compact type (AM***KXWAF(J)R*) Capa Capa Model Name Model Model Name Model (Ton) [Ton] AM240KXWA*R AM480KXWA*R1 AM312KXWA*R1 AM528KXWA*R1 AM336KXWA*R1 AM552KXWA*R1 AM360KXWA*R1 AM576KXWA*R1 AM408KXWA*R1 AM600KXWA*R1 AM432KXWA*R1 AM456KXWA*R1 Samsung Electronics Samsung Electronics...
Page 30: Combination And Connection Ratio Limitation
Normal Units : Cassette, Duct, Ceiling, Console, Wall Mounted, ERV+, Floor stand. For wall mounted with EEV, it is possible to install a maximum of 32 units ERV (not ERV+ ) can be installed separately without the need to lay refrigerant pipe. Samsung Electronics...
Page 31: Components And Feature
Product Specifications 2-4 Components and Feature Compressor Electronic High Pressure Solenoid Model Check valves (Inverter Scroll) Expansion Valve Switch valves AM***F(K)XWANR* Compressor Electronic High Pressure Solenoid Model Check valves (Inverter Scroll) Expansion Valve Switch valves AM***HXWAF(J)R* AM***KXWAF(J)R* Samsung Electronics...
Page 32: Product Specification
Product Specifications 2-5 Product Specification 2-5-1 Outdoor Unit Image Model Name AM080FXWANR/EU AM100FXWANR/EU AM120FXWANR/EU AM200FXWANR/EU AM300KXWANR/EU Power Supply Φ, #, V, Hz 3/AC380~415/50 34.8 84.0 Cooling Performance Capacity kcal/h 19780 24940 29928 49880 72,240 (Nominal) 32.6 39.2 65.2 94.5 Heating...
Page 33 Product Specifications Product Specifications 2-5 Product Specification (cont.) 2-5-1 Outdoor Unit (cont.) Image Model Name(Samsung Model) AM038KXWDCH/AA AM048KXWDCH/AA AM055KXWDCH/AA AM072HXWAFR/AA AM096HXWAFR/AA AM120HXWAFR/AA AM192HXWAFR/AA AM240KXWAFR/AA Mode Power Supply Φ, V, Hz 1Φ,208~230V,60Hz 3,208~230V/60Hz 3,208~230V/60Hz Cooling Btu/h 38200 47800 54600 72,000 96,000...
Page 34 Product Specifications 2-5 Product Specification (cont.) 2-5-1 Outdoor Unit (cont.) Image Model Name(Samsung Model) AM072HXWAJR/AA AM096HXWAJR/AA AM120HXWAJR/AA AM192HXWAJR/AA AM240KXWAJR/AA Mode Power Supply Φ, V, Hz 3,460V/60Hz Capacity Cooling Btu/h 72,000 96,000 120,000 192,000 240,000 Heating 81,000 108,000 135,000 216,000 270,000...
Page 35: Accessory And Option Specifications
DVM, CAC Wired Remote Controller MWR-WW00N EHS Only Receiver KIT ?? MRK-A10N DVM, CAC Master controller+ Zone Controller MWR-ZS00N DVM, CAC Damper controller Zone Controller MWR-ZS10N Slave controller DVM, CAC External room Zone Controller MRW-TS DVM, CAC sensor Samsung Electronics...
Page 36 Integrated management System S-NET3 MST-P3P DVM, CAC BACnet Gateway MIM-B17BN DVM, CAC Lonworks Gateway MIM-B18BN DVM, CAC External Contact Interface Gate Way MIM-B14 DVM, CAC Module MTFC (Multi Tenant Function MCM-C210N Controller) MIM-B12N DVM, CAC (Signal Interface Module) Samsung Electronics...
Page 37 CHILLER FCU Interface Module MIM-F10N CHILLER Only CHILLER S-Checker MIM-C10N DVM, CAC Installation /Test run Solution S-Converter MIM-C02N DVM, CAC External Room Sensor MRW-TA DVM, CAC Operation Mode Selection MCM-C200 Others Switch Transformer Kit MVR-TK024 DVM S Water Samsung Electronics...
Page 38: Piping
~56kW, ~6 indoor units MCU-S4NEE1N ~56kW, ~4 indoor units MCU-S4NEE2N ~56kW, ~6 indoor units MEV-E24SA 1 Indoor MEV-E32SA MXD-E24K132A MXD-E24K200A 2 Indoor EEV KIT MXD-E32K200A MXD-E24K232A MXD-E24K300A 3 Indoor MXD-E32K224A MXD-E32K300A MXD-A38K2A 8~12HP PDM KIT MXD-A12K2A 14~16HP MXD-A58K2A 18~26HP Samsung Electronics...
Page 39: Indoor
4Way cassette S (Waffle) Panel PC4NUSKEN 4 Way cassette S (Classic) PC4NBSKAN 4 Way cassette S (Waffle, Black) PC4NUDMAN 360 CST Square (White) PC4NUNMAN 360 CST Circular (White) PC4NBDMAN 360 CST Square (Black) PC4NBNMAN 360 CST Circular (Black) Samsung Electronics...
Page 40 Duct S (Internal, 3.5 kW~14kW) MXD-K025AN 7.0 kW~8.75kW MXD-K050AN 14.0 kW~17.5kW MXD-K075AN 21.0 kW~26.25kW AHU KIT MXD-K100AN 28.0 kW~35.0kW 28kW~ 56kW~ 84kW~ 112kW~ 35kW 70kW 105kW 140kW MCM-D201N MXD-64K100E MXD-64K100E MXD-64K100E MXD-64K100E MXD-A64K100E X 1EA X 2EA X 3EA X 4EA Samsung Electronics...
Page 41: Controller & Control Accessory Compatibility
MCM-A00N CHILLER ONLY FCU KIT MIM-F00N CHILLER ONLY FCU Interface Module MIM-F10N CHILLER ONLY S-Checker MIM-C10N DVM, CAC Installation/ Test run Solution S-Converter MIM-C02N DVM, CAC External Room Sensor MRW-TA DVM, CAC Others Operation Mode Selection Switch MCM-C200 Samsung Electronics...
Page 42: Indoor Units Accessory Compatibility
AHU-KIT MXD-K075AN only for 7.5Hp's AHU MXD-K100AN only for 10Hp's AHU MCM-D201N only for 10~40Hp's AHU In case you want more information about the accessories, please refer to the control and accessories TDB on pvi.samsung.com site. Samsung Electronics Samsung Electronics...
Page 43: Samsung Electronics
Refrigerant leakage may occur when the conventional flare nut for R-22 is used. Refrigerant pipe work ∙ The length of refrigerant pipe should be as short as possible and the height difference between an indoor and outdoor unit should be minimized. ∙ ∙ ∙ Samsung Electronics...
Page 44: Disassembly And Reassembly
Use the inspection window on the Main PBA to check the following. - Error code - Operation status (Key Switch K1- K4) - Trial operation - Pump down operation - S-NET connection (specific operation information and the cycle-related status value can be viewed) Samsung Electronics...
Page 45: Removal Instructions For Panel
2) Removing the cabinet back. Unfasten the eight screws on the cabinet front Back. Similar to removing the front cabinet. 3) Removing the cabinet top. Unfasten the eight screws on the cabinet front slightly lift the cabinet top. Samsung Electronics...
Page 46: Disconnecting The Power Supply
Then pull up the cover to remove it. - The power connection box is attached to the lower part of the Control Box. - The power connection box is protected by the metal cover to ensure safety. Power connection box Samsung Electronics...
Page 47 The power cables are fixed with screws on the terminal block. Use a spanner or hex wrench to disconnect the power cables. Use insulation tape to wrap each power cable before storage to prevent the cables from coming into contact with each other. Samsung Electronics...
Page 48 Disassembly and Reassembly 3-2 Disassembly and Reassembly (cont.) 3-2-3 Disconnecting the Power Supply Work Procedure The front view of the device when it is ready for internal repair after the power supply has been disconnected is shown below. Image Samsung Electronics...
Page 49: Removal Instructions For Compressor
Terminal fastened with a torque 0f 25 ~ 35 kgf·m. C124 - Separate the velcro on the soundproofing felt covering the compressor and remove the felt from the compressor. Soundproofing felt - Remove the thermistor on top of the compressor. Thermistor Samsung Electronics...
Page 50 When reassembling it after inspection, be sure to tight- ly fasten the screws. ∙ Check the cable connection for the U, V and W phases. ∙ A loosely fastened screw may cause a fire. Be sure to tightly fasten the screws. Samsung Electronics...
Page 51: Compressor Exchange Order
Add oil according to sheep of oil that pour decided addition before. Establish again by vacuum mode after connect power. Execute leakage examination using nitrogen vacuum work Add a refrigerant quantity deciding from step 5. Execute Auto Trial Operation after open SVC Valve. Samsung Electronics...
Page 52 - Problem of that is blocked in oil circulation of (remaining oil of compressor that broke down below 0.3kg) compressor if is light more than 0.8kg than weight of compressor that weight of compressor that is changed to locality is changed newly inspects oil circulating system because possibility occurred is high. Samsung Electronics...
Page 53: Removal Instructions For Tank
Oil Separator assembly at the base. - separate the five welded joints. 1)Oil Separator 2)Accumulator 3)Receiver - Unfasten the two screws on the Oil Separator assembly at the base. - Use a torch to heat and separate the six welded joints. Samsung Electronics...
Page 54 3-2-6 Removal Instructions for Tank (cont.) Work Procedure Remark 2) Accumulator - To remove the Accumulator, first you Unfasten the two screws on Accumulator. Accumulator - Unfasten the two nuts on subcooler. - Unfasten the three screws on base. Accumulator Subcooler Samsung Electronics...
Page 55 Use a torch to heat and separate the four welded joints. 3) Receiver - To remove the Receiver, first you Unfasten the four screws on base. - Use a torch to heat and separate the three welded joints. Samsung Electronics...
Page 56 The device control PBA is located in the upper part of the Control Box. Control PBA Remove the connectors from the control PBA. Unfasten the two screws at the upper part of the Control PBA. Lift and separate the PBA while pulling the upper part towards you. Samsung Electronics...
Page 57: Removal Instructions For The Hub Pba
- The Hub PBA is located in the middle of the Control Box. Hub PBA - Remove all the connectors from the Control PBA (on the both side). " - Unfasten the two screws on the right side at the upper and lower parts of the Hub PBA. Samsung Electronics...
Page 58 Disassembly and Reassembly 3-2 Disassembly and Reassembly (cont.) 3-2-7 Removal Instructions for the Hub PBA (cont.) Work Procedure Remark - Lift and separate the Hub PBA to the right. Samsung Electronics...
Page 59: Removal Instructions For The Control Panel Assy
Disassembly and Reassembly 3-2 Disassembly and Reassembly (cont.) 3-2-8 Removal Instructions for the Control Panel Assy Work Procedure Remark - Lift and separate the Hub PBA to the right. Samsung Electronics...
Page 60 - Turn the Control Panel Assy over towards you while holding the locking hook. - The internal view of the Control Box after the Control Panel Assy has been turned over is shown. Inverter PBA #2 Inverter PBA #1 [AM240KXWAJR/AA] Samsung Electronics...
Page 61 3-2-8 Removal Instructions for the Control Panel Assy (cont.) Work Procedure Remark - From the upper part of the power module on the front. DC_Reactor #1 DC_Reactor #2 EMI PBA #2 EMI PBA #1 DC_Reactor #2 DC_Reactor #1 [AM240KXWAJR/AA] DC_Reactor #2 DC_Reactor #1 [AM240KXWAFR/AA] [AM300KXWANR/EU] Samsung Electronics...
Page 62: Removal Instructions For The Inverter Pba
- To remove the Inverter PBA. Unfasten the five wire screws for the compressor and reactor. Remove the power connector. Compressor wire screws. DC-Reactor wire screws. Power connector. [AM240KXWAJR/AA] Compressor wire screws. DC-Reactor wire screws. Power connector. [AM240KXWAFR/AA] [AM300KXWANR/EU] Samsung Electronics...
Page 63 Unfasten the screws on the IPM. AM240KXWAJR/AA : 2EA AM240KXWAFR/AA, AM300KXWANR/EU : 4EA After completing the operation, fasten the cable tie as shown in the image. Screws on the IPM CABLE TIE [AM240KXWAJR/AA] CABLE TIE Screws on the IPM [AM240KXWAFR/AA, AM300KXWANR/EU] Samsung Electronics...
Page 64 After inspection, check the condition of grease applied. * Conditions of heat transfer grease applied to the Inverter PBA' Good No Good If Thermal Grease is not applied evenly IMP due to the cooling performance may cause malfunction of the product. Samsung Electronics...
Page 65: Removal Instructions For The Dc Reactors And Emi Pba
3-2-10 Removal Instructions for the DC Reactors and EMI PBA Work Procedure Remark 121 - Unfasten the DC Reactor wire screws, and then lift and separate the Reactors. (applicable to both Reactors #1 and #2). [AM240KXWAJR/AA] [AM240KXWAFR/AA] [AM300KXWANR/EU] Samsung Electronics...
Page 66 Work Procedure Remark - TO Remove the EMI PBA, First you must remove plate as shown in the image. Remove the connectors inside the EMI PBA, and then unfasten the two screws fixing the case on the PBA. Samsung Electronics...
Page 67: Troubleshooting
4. Troubleshooting 4-1 Check-up Window Description AM038/048/055KXWDCH* Specific functions Specific functions Display EEPROM Connector (B7P-MQ WHT) Tact Switch Communication connector between indoor and outdoor unit. MICOM Download (YDW200-20 BLK) The central controller communication Samsung Electronics...
Page 68 If an error occurs, the discharge mode may not work properly. In particular, E464 & E364 is power devices can be damaged. Therefore, the discharge mode, do not use. (Natural discharge until Please wait for at least 15 minutes.) Samsung Electronics...
Page 69: Am080/100/120/200Fxwanr*, Am300Kxwanr* / Am072/096/120/192Hxwaf(J)R*, Am240Kxwaf(J)R
(uART comm, supplying DC 5,12V from Main) Supplying DC 12V to other component DRED PBA connecting Gas leak detection using MIM-B14 External control using MIM-B14 Option switch Comm PBA connecting (OF1/OF2) EEPROM PBA connecting Comm PBA connecting (F1/F2) EEPROM PBA connecting Samsung Electronics...
Page 70: Service Operation
8 times Inspect inverter compressor 1 K - D - BLANK - BLANK 9 times Inspect inverter compressor 2 K - E - BLANK - BLANK 10 times Water pipe valve/Pump check K - F - BLANK - BLANK Samsung Electronics...
Page 71 If the 2nd-generation MCU is installed, the Checking the pipe connection can not be used. - 1st-generation MCU : MCU-S*NEE*N - 2nd-generation MCU : MCU-S*NEK2N,MCU-S4NEK3N,MCU-S1NEK1N If there is an A type PBA among the outdoor units installed as a module, the Auto pipe pairing operation can not be used. Samsung Electronics...
Page 72 Indoor Unit Whole operation (The set temperature=3 C) Whole operation (The set temperature=40 C) Other Actuators Normally control conduct Operation time 60 minutes Etc. During the filling operation does not enter the special operation, such as oil recovery. Samsung Electronics...
Page 73 Does not conduct the operation of the special operation, and protection control. Pressure and temperature is outside normal limits : Operation is shut down after gas pipe manually closed. (However, all current limit control, and protection and control of IPM CompDown control is performed.) Samsung Electronics...
Page 74 DC Link Volt1 … Discharge is complete, the power of the Inverter PBA is being blocked, communication function is blocked, E206 will occur. If want operation again after complete discharge mode : Restart after K3 key to Reset or Power Reset. Samsung Electronics...
Page 75 Water 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. Oil recovery shut down and stop the normal pattern of the outdoor unit stop. Samsung Electronics...
Page 76: Dvm S Models Eeprom Code Table
EEP file is under table Model Name Inverter PBA EEP Code Model Name Inverter PBA EEP Code AM038KXWDCH DB92-03686A DB82-03454A AM240KXWAJR DB92-03526A DB82-03802A AM048KXWDCH DB92-03687A DB82-03455A AM080FXWANR/EU DB92-03526A DB82-03319A AM055KXWDCH DB92-03687A DB82-03456A AM100FXWANR/EU DB92-03526A DB82-03320A AM072HXWAFR DB92-03526C DB82-03335A AM120FXWANR/EU DB92-03526A DB82-03321A AM096HXWAFR...
Page 77: Number Display Method (Outdoor Unit, Mcu, Cable Remote Control, Wall-Mount, Etc.)
E471 U200 E471 U200 E206 C001 E206 C002 Error Number, repeat display and other methods of error display How to display alphabetic & numbers on 7-SEG 7-SEG 7-SEG 7-SEG 7-SEG 7-SEG Alphabet Alphabet Alphabet Number Number display display display display display Samsung Electronics...
Page 78 Communication error between indoor and outdoor units (installation number setting error, repeated indoor unit E-201 address, indoor unit communication cable error) Communication error between indoor and outdoor units (Communication error on all indoor unit, outdoor unit E-202 communication cable error) Samsung Electronics...
Page 79 Error on EVI (ESC) OUT temperature sensor (Short or Open) E-323 Error on suction sensor 2 (Short or Open) E-346 Error due to operation failure of Fan2 E-347 Motor wire of Fan2 is not connected E-348 Lock error on Fan2 of outdoor unit Samsung Electronics...
Page 80 Operation prohibited due to low pressure E-445 CCH is deatched E-446 Error due to operation failure of Fan1 E-447 Motor wire of Fan1 is not connected E-448 Lock error on Fan1 E-452 Error due to ZPC detection circuit problem or power failure Samsung Electronics...
Page 81 Error due to using single type outdoor unit in a module installation E-702 Error due to closed EEV of indoor unit (1st detection) E-703 Error due to opened EEV of indoor unit (1st detection) Auto Trial Operation incompleted (UnPrepared) Samsung Electronics...
Page 82: Appropriate Measures For Different Symptom
2. Execute the Auto Trial Operation by Tact Switch. 3. UP display disappears after Auto Trial Operation is complete, normal operation is possible. 4. Auto Trial Operation is completed, if there is a history, normal operation execution. Samsung Electronics...
Page 83 In case of wiring error (N-phase is changed with one of R, S and T) with the N-phase, will operate the power protection CAUTION function, display E425 or stop the power. This is not a PBA power defect in this case, before PBA replacement, please check the power on. Samsung Electronics...
Page 84 Main address : C8, Sub1 address : C9, Sub2 address : CA, Sub3 address : CB 2. The number of the indoor Units Connected to the outdoor unit can be configured by using the indoor unit installation quantity setup switch. Indoor Unit Installed Installed Quantity Quantity Samsung Electronics...
Page 85 - If press the K2, K4 button shortly in the automatic setting mode, it is changed to the manual mode. (Ex. If 10 is indicated and press the K4 button, 11 is indicated and changed to the manual mode.) Samsung Electronics...
Page 86: Main Pba Has No Power Phenomenon
Check the short-circuit of HUB PBA. Is the HUB PBA LED lighted up? Replace HUB PBA if there is abnormality. Is the communication wire of Connect the communication wire to the CN96 connector on the HUB PBA. MAIN/HUB connected? Replace the MAIN PBA. Samsung Electronics...
Page 87: Communication Error Between Indoor And Outdoor Units During Tracking
PBA. change the indoor unit PBA. * Essential Requirements before Changing PBA in Case of Good Defective Communication Error: Refer to p.50 0.7V 0.7V Samsung Electronics...
Page 88 - Each resistance value should be measured in tens of kΩ~to hundreds of kΩ. - Difference between the two resistance values should be of some number of kΩ. Judging as defective - One or both are low with tens of Ω - One or both of them is open Samsung Electronics...
Page 89: Communication Error Between Indoor And Outdoor Units After Tracking
Case of Communication Error: Refer to p.50 the indoor unit which interferes with the communication to check and change the indoor unit PBA. Good Defective 0.7V 0.7V Samsung Electronics...
Page 90: Communication Error Between Main And Sub Unit Of Outdoor Unit Or Between Outdoor Units
Indoor unit and Outdoor unit. Check address of Outdoor unit. Re-address Outdoor unit Check operation of LED and 7-SEG each SUB UNIT normally. Replace MAIN PBA Essential Requirements before Changing PBA in Case of Communication Error: Refer to p.59 Samsung Electronics...
Page 91: Internal Communication Error Of The Outdoor Unit C-Box
1) Check the Main PBA : Main PBA TX circuit inspection Does FAN PBA LD22/LD32 (LED) blink? 2) Check the Hub PBA : Hub PBA TX circuit inspection * Service after turn off the Main Power. Replace Main PBA Samsung Electronics...
Page 92: Internal Pba Communication Error Of The Outdoor Unit C-Box
EMI PBA CN23 connector accurately connected? Does INVERETER PBA LD22 (LED) blink? Replace the NVERETER PBA. Is INVERETER PBA CN31, CN91 Check the wire connection status. connector and FAN PBA CN501 connector accurately connected? Replace the FAN PBA Samsung Electronics...
Page 93 4-3 Appropriate Measures for Different Symptom (cont.) 4-3-7 Internal PBA Communication error of the Outdoor Unit C-Box (cont.) E206 C003/C004 C003 : Replace the INVERTER PBA 1 C004 : Replace the INVERTER PBA 2 C005 : Replace the Water Hub PBA Samsung Electronics...
Page 94: Mcu Branch Part Setup Error - Inconsecutive Connection With The Use Of 2 Branch Parts
Find an MCU that is composed as the following picture to carry out assembly of branch part again. After completing the re-setting, press K3 button on the button to reset or turn it off to restart. MCU BOX #0 address setup MCU PCB Branch part use setup Setting error Indoor unit address Branch A Indoor unit Samsung Electronics...
Page 95: Mcu Branch Part Setup Error - Repeated Setup For The Same Address Over 3 Times
Find an MCU that is composed as the following picture to carry out assembly of branch part again. After completing the re-setting, press K3 button on the button to reset or turn it off to restart. Outdoor Unit PBA Quantity of Quantity of Indoor Unit Branch Indoor Unit: 3 MCU: 1 Samsung Electronics...
Page 96: Mcu Branch Part Setup Error - Non-Installed Address Setup
Find an MCU that is composed as the following picture to carry out assembly of branch part again. After completing the re-setting, press K3 button on the button to reset or turn it off to restart. MCU BOX #0 address setup MCU PCB Branch part use setup Indoor unit address Branch Indoor unit Samsung Electronics...
Page 97: Setup Error For Mcu Branch Part - Setup Error For Mcu Quantity Used
Address: 1 Address: 2 • Example of MCU address setting error ex) Two among three of MCU address was set to 0 Outdoor Unit PBA Quantity of Quantity of Indoor Unit Branch Indoor Unit:- MCU: 3 Branch Branch Samsung Electronics...
Page 98: Mcu Branch Part Setup Error - Overlapping Indoor Unit Address Setup
After completing resetting, press the outdoor unit's K3 button to reset or turn off to restart. MCU BOX #0 address setup MCU PCB Branch part use setup Indoor unit address Branch A MCU BOX #1 address setup MCU PCB Branch part use setup Indoor unit address Branch A Samsung Electronics...
Page 99: Mcu Branch Part Setup Error - Set As Being Used Without Connection To An Indoor Unit
Adjust the Dip switch that sets up the use of MCU branch part to ‘Not-Used'. After completing resetting, press the outdoor unit's K3 button to reset or turn off to restart. MCU BOX #1 MCU PCB Branch A Samsung Electronics...
Page 100: Mcu Branch Part Setup Error - Connect An Indoor Unit To A Branch Part Not Being Used
Check the actual use of the branch part. If it is used, turn on the Dip switch for branch part setup. After completing resetting, press the outdoor unit's K3 button to reset or turn off to restart. MCU BOX #1 MCU address setup MCU PCB Branch part use setup Indoor unit address Branch A Indoor unit Samsung Electronics...
Page 101: Mcu Branch Part Setup Error - Connect More Indoor Units Than What Is Actually Set Up In Mcu
Example of MCU indoor unit setting DIP switch error • ex) Indoor unit No.5 was connected to branch part C, but DIP switch No.3 (branch part C) is off. Outdoor Unit PBA Quantity of Quantity of Indoor Branch Indoor Unit: 4 MCU: 1 Samsung Electronics...
Page 102: Mcu/Mcu Subcooler Entrance/Exit Sensor Error (Open/Short)
Separate the connector from the PBA and Temperature(°C) Resistance(KΩ) measure the resistance value between the 2 terminals. 12.1 18.0 Is the resistor value matching with 27.3 “NOTE1” table? 43.0 Replace this part as it is the defective itself. Restart operation after replace the PBA Samsung Electronics...
Page 103: Outdoor Temperature Sensor Error
12.1 CN43 (7, 8) Did the resistance 18.0 value significantly stray from the following 27.3 temperature table? 43.0 Replace this since it is the defective of the outdoor temperature sensor itself. Restart operation after replace the PBA Samsung Electronics...
Page 104: Cond Out Temperature Sensor Error (Open/Short)
CN43 (5, 6) 18.0 Did the resistance 27.3 value significantly stray from the following 43.0 temperature table? Replace this part as it is the defective of the outdoor Cond Out sensor itself. Restart operation after replace the PBA. Samsung Electronics...
Page 105: Outdoor Cond Out Sensor Breakaway Error
Is the Cond Out sensor resistance value reasonable? Defective Sensor : Replace Sensor (Refer to E231) Are there any changes Blocked Sensor Path : the value of the sensor when operating from Change heat exchanger Ass'y stop to heating? Complete Samsung Electronics...
Page 106 Is the Cond Out sensor resistance value reasonable? Defective Sensor : Replace Sensor (Refer to E231) Are there any changes Blocked Sensor Path : the value of the sensor when operating from Change heat exchanger Ass'y stop to heating? Complete Samsung Electronics...
Page 107: Compressor Discharge Or Top 1/2 Temperature Sensor Error
DIS1 : CN43 (1, 2) 553.0 DIS2 : CN45 (3, 4) Is the resistor value matching with “NOTE1” table? Replace this part as it is the defective of the Compressor Discharge or Top Temperature sensor itself. Restart operation after replace the PBA Samsung Electronics...
Page 108: Compressor Discharge Or Top Temperature Sensor Breakaway Error
Replace the PBA Temperature(°C) Resistance(KΩ) 11.2 18.5 32.0 59.0 TOP1 TOP2 200.0 242.0 TOP1 : CN43 (3, 4) TOP2 : CN45 (5, 6) 362.0 DIS1 : CN43 (1, 2) 553.0 DIS2 : CN45 (3, 4) Samsung Electronics...
Page 109: Suction Temperature Sensor Breakaway Error
Re-insert the sensor. and sensor Holder accurately Re-attach the sensor holder. attached? Is Suction sensor resistance value reasonable? Defective Sensor : Replace Sensor (Refer to the “Note 1” ) NOTE1 Temperature(°C) Resistance(KΩ) Replace the PBA 12.1 18.0 27.3 43.0 Samsung Electronics...
Page 110: High Pressure Sensor Error (Open/Short)
(Please check by connecting the Manifold gauge to the service valve) High pressure sensor Replace PBA terminal of PBA : Is the voltage between 3 and 4 pins 5V? mark is the 1st pin on the PBA. Replace High Pressure sensor Samsung Electronics...
Page 111: Low Pressure Sensor Error (Open/Short)
(Please check by connecting the Manifold gauge to the service valve) Low pressure sensor terminal of PBA : Is the Replace PBA voltage between 3 and 4 pins 5V? mark is the 1st pin on the PBA. Replace Low Pressure sensor Samsung Electronics...
Page 112: Suction Temperature Sensor Error (Open/Short)
2 terminals. 12.1 SUCT 18.0 CN44 (1, 2) 27.3 43.0 Is the resistor value matching with “NOTE1” table? Replace this part as it is the defective of the Outdoor Suction sensor itself. Restart operation after replace the PBA. Samsung Electronics...
Page 113: Liquid Pipe Temperature Sensor Error (Open/Short)
2 terminals. LIQUID 12.1 CN45 (1, 2) 18.0 27.3 43.0 Is the resistor value matching with “NOTE1” table? Replace this part as it is the defective of the Liquid Pipe Temperature sensor itself. Restart operation after replace the PBA. Samsung Electronics...
Page 114: Evi In Temperature Sensor Error (Open/Short)
EVI-IN 12.1 CN44 (3, 4) 18.0 27.3 43.0 Is the resistor value matching with “NOTE1” table? Replace this part as it is the defective of the Outdoor EVI In Temperature sensor itself. Restart operation after replace the PBA Samsung Electronics...
Page 115: Evi Out Temperature Sensor Error (Open/Short)
EVI-OUT CN44 (5, 6) 12.1 18.0 27.3 43.0 Is the resistor value matching with “NOTE1” table? Replace this part as it is the defective of the Outdoor EVI Out Temperature sensor itself. Restart operation after replace the PBA Samsung Electronics...
Page 116: Suction-2 Temperature Sensor Error (Open/Short)
CN46 (1, 2) 12.1 18.0 27.3 43.0 Is the resistor value matching with “NOTE1” table? Change this part as it is the fault of the outdoor Suction-2 sensor itself. Restart operation after changing PBA Samsung Electronics...
Page 117: Measures Of Other Outdoor Unit Error
COMP.1 wire unconnected error ity : External factors or when LED operates by abnormality, replace the Inverter PBA. E374 Inverter PBA2 IGBT temperature sensor error Replace Inverter PBA E474 Inverter PBA1 IGBT temperature sensor error Replace Inverter PBA Samsung Electronics...
Page 118: Comp. Down Due To High Pressure Protection Control
Are there any blockage inside Pipe inspection the pipe? (filter etc.) When cooling operation, Check the water pipes or Replace water temperature, quantity, or heating operation, relevant component(motor or fan) indoor fan operates normally do? Check the refrigerant amount. Samsung Electronics...
Page 119: Comp. Down Due To Low Pressure Protection Control
(filter etc.) Is there any leakage in the Liquid Pipe Valve or the Discharge Replace relevant component check valve leaking on outdoor unit that is off when only some Outdoor Units are operating? Check the refrigerant amount. Samsung Electronics...
Page 120 Pipe inspection the pipe? (filter etc.) Is there any leakage in the Liquid Pipe Valve or the discharge Replace relevant component check valve of the not-go-end Outdoor Unit when only some Outdoor Units are operating? Check the refrigerant amount. Samsung Electronics...
Page 121: Suspension Of Starting Due To Compressor Discharge Temperature Sensor / Top Temperature Sensor
Check the refrigerant amount. 11.2 18.5 32.0 TOP1 TOP2 59.0 TOP1 : CN43 (3, 4) 200.0 TOP2 : CN45 (5, 6) 242.0 DIS1 : CN43 (1, 2) 362.0 DIS2 : CN45 (3, 4) 553.0 Samsung Electronics...
Page 122: 3-Phase Input Wiring Error
Did the EMI PBA Fuse is short? Replace Fuse, if the rectifier diode of the inverter PBA is normal. Is EMI PBA CN21 connector and Inverter PBA accurately Connection and then restart it connected? Replace the MAIN PBA. Samsung Electronics...
Page 123: Suspension Of Starting By Abnormal Compression Ratio
Manifold Gauge value in range? Are the 4Way Valve normally operating? Check the 4Way Valve Are the Indoor Unit and Outdoor Unit EEV Check the relevant EEV normally operating? Compressor Inspection Is current of compressor normally? Check the refrigerant Complete Samsung Electronics...
Page 124: Evi Eev Open Error
Replace EVI EEV Normal Abnormal Check for Intercooler leakage. Replace Intercooler Normal Abnormal Check for Indoor Unit EEV leakage Replace Indoor Unit EEV Normal Is there a liquid-gas pipe directly connected to each other? Reinstall pipe Check the refrigerant Samsung Electronics...
Page 125: Refrigerant Leakage Error
(Please check by connecting the menu folder gauge to the service valve) Out of the PBA Pressure Replace PBA sensor terminals, is there voltage between pins 3 and 4 5V? mark is the 1st pin on the PBA. Replace Pressure sensor Samsung Electronics...
Page 126: Prevention Of Heating / Cooling Operation Due To Outdoor Temperature
∙ Cooling operation(E440) : When the water temperature is less than 5 ∙ System protection operation status (Is not breakdown). Cause of problem · If the water temperature is satisfied the operating range, it will clear the error and start the operation automatically. Samsung Electronics...
Page 127: Prevention Of Heating Refrigerant Charge Due To Outdoor Temperature
× ※ ● : ON ◑ : Flash ×: OFF Judgment • When the heating refrigerant charge : If the outdoor temperature is more than 15℃ Method Cause of • System protection operation status (Is not breakdown) problem Samsung Electronics...
Page 128: Cch Wire Breaking Error
Fix the compressor Top temperature sensor in correct position. Is CCH resistance normal? (500~700 Ω /infinite for disconnection) Change CCH. Does the E445 error occur even after the outdoor unit K3” RESET? Normal Operation. Replace the PBA. Samsung Electronics...
Page 129: Momentary Blackout Error
※ ● : ON ◑ : Flash ×: OFF Judgment ∙ Momentary stop of compressor due to momentary blackout. Method Cause of ∙ Momentary stop of compressor due to momentary blackout. problem 1. Precautions : Replace Hub PBA or Main PBA. Samsung Electronics...
Page 130: Compressor Starting Error
Replace Compressor. compressor (U less than 2Ω? Is the resistance between the body of Compressor and Replace Compressor. chassis Open? Does the Compressor connection wire properly connect to Repair / Replace the wire. the Inverter PBA? Continue. Samsung Electronics...
Page 131 After change Measure E464 E464 Replace No.1Inverter PBA E464 E364 Replace No.1 Compressor E364 E364 Replace No.2 Inverter PBA E364 E464 Replace No.2 Compressor See the "Contain of compressor Exchange (3-XX)" in service manual when you replace the compressor. Samsung Electronics...
Page 132: Comp Overcurrent Error
(U-V, V-W, W-U) less than 2Ω? Is the resistance between the body of Compressor and Replace Compressor chassis MΩ? Does the Compressor Check the connection wire connection wire properly connect (Check the status of the to the compressor? connection UVW) Continue. Samsung Electronics...
Page 133 After change Measure E464 E464 Replace No.1Inverter PBA E464 E364 Replace No.1 Compressor E364 E364 Replace No.2 Inverter PBA E364 E464 Replace No.2 Compressor See the "Contain of compressor Exchange (3-XX)" in service manual when you replace the compressor. Samsung Electronics...
Page 134 COMP 1 9times (KD__) 8times (KD__) COMP 2 10times (KE__) 9times (KE__) MOTOR 1 11times (KF__) MOTOR 2 12times (KG__) Power Off ( Use to inverter checker ) PBA Defective Replace Compressor/Fan motor Replace Inverter PBA /Fan PBA Samsung Electronics...
Page 135 Measurement error can occur for reasons s N-IGBT uch as the initial measurement condenser discharge. P-IGBT Measured over at least three times. P-IGBT P-IGBT Measure the diode 0.3~0.7V voltage values N-IGBT N-IGBT N-IGBT < Table 1 > Inverter PBA < Figure 1 > Samsung Electronics...
Page 136: Overvoltage / Low Voltage Error
Is Inverter PBA R,S,T Wire and EMI PBA CN21 Power Off and then re-connection connector accurately connected? Replace Inverter PBA Standard AC Voltage(Vac) Standard DC Voltage(Vdc) Type of Power AC Input Source Voltage Min. Max. Min. Max. 208~230V 460V Samsung Electronics...
Page 137: Dc Link Voltage Sensor Error
1. Cause of problem E496 Power Off DC power wire (Inv. PBA) Check the connector Check the status of DC LINK Connector connection Replace FAN PBA DC power wire (Fan PBA) E469 E369 Replace No1 INVERTER PBA Replace No2 INVERTER PBA Samsung Electronics...
Page 138: Input / Output Current Sensor Error
∙ Sensor Output detection : Judged as an error if the detected value is More than 4.5V or less than 0.5V ∙ Input voltage defective Cause of problem ∙ PBA voltage sensing circuit defective 1. Cause of problem Power Off Is Power connection accurately connected? Power Cable re-connection. E485 or E385? E468 or E368? Replace Inverter PBA. Samsung Electronics...
Page 139: Inverter Pba Ipm Overheating Error
IPM? sink grease. And then reassembly Apply the heat sink grease and then Did properly apply the heat sink grease? reassembly. (Between the heat sink and the IPM) Grease Service Code : DB81-02483A Good No Good Complete Samsung Electronics...
Page 140: Option Setting Error Of Outdoor Unit
Compressor Cut off Option Setting, E560. 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. Samsung Electronics...
Page 141: Error Due To Using Single Type Outdoor Unit In A Module Installation
Is installed by outdoor unit module? Download relevant model EEPROM and Outdoor unit single type exclusive use then reset. model (non-modular model), can not be Execute automatic commissioning module installation. for "UP" cancellation after EEPROM (Single type only installation) download. Samsung Electronics...
Page 142: Indoor Unit And Mcu Address Duplication Error
- To solve the problem through the power reset after the address is reset the or reset the whole system to rerun. power reset of individual units is meaningless and the power of the whole system must be reset. Samsung Electronics...
Page 143: Case Study For Trouble Shoots
Warning of Electrical Shock from DC Power It is seriously dangerous to touch inverter PBA as high DC voltage is charged. Must do key operation “Discharge mode” or Wait for more 15 minutes to discharge naturally. inverter PBA < Warning Label > Samsung Electronics...
Page 144 If the 2nd-generation MCU is installed, the Checking the pipe connection can not be used. • - 1st-generation MCU : MCU-S*NEE*N - 2nd-generation MCU : MCU-S*NEK2N,MCU-S4NEK3N,MCU-S1NEK1N If there is an A type PBA among the outdoor units installed as a module, the Auto pipe pairing operation can not be used. • Samsung Electronics...
Page 145 K2 button Items Cooling Number Push time Inv. 2 DC voltage Inv. 1 DC volt “ ” “ ” “ ” “ ” Ex) 445V 0445 Display Below 30 Volt, displays. “ ” “ ” “ ” “ ” Samsung Electronics...
Page 146: Pump Down Operation
6. Check the weight of container and then close the valve. * Recommend to store 50% of total refrigerant. * If too much refrigerant is stored in the container system can’t proceed pump down properly. Samsung Electronics...
Page 147 Troubleshooting 4-4 Case study for trouble shoots (cont.) 4-4-2 Pump down operation (cont.) Samsung Electronics...
Page 148: Pump Out Operation
Low pressure is outside normal limite : Operation is shut down after as pipe manually closed. Etc. Entry after safety start. (Only the corresponding Outdoor Unit operation.) To pump out more than 2 : Except communicatio between Outdoor unit of relevant set after working for one, remainder set makes Pump Out add. Samsung Electronics...
Page 149 Troubleshooting 4-4 Case study for trouble shoots (cont.) 4-4-3 Pump out operation (cont.) Samsung Electronics...
Page 150: Vacuum
Vacuuming(All outdoor units) How to lnitiate K1 Tact Swithc 7 times~11 times Compressor Indoor Unit/Outdoor Unit 4Wasy Valve Valve Open all valves maximum Etc. If not turn off the vacuum mode, the start of normal operation is prohibited. Samsung Electronics...
Page 151: Case Study - E201 (Communication Error Between Indoor & Outdoor Unit)
Duplicated address setting(E108 will be shown as well) Change the indoor unit’s address Cause Cause - Problem : System stop by E201 intermittently - Condition : System was ok when commissioning E201 Error Operation Defrost Timer Filter ◑ ◑ Samsung Electronics...
Page 152 Measure the No.5- No.6 / No.5- No.7 / No.5- No.8 Pin resistance Judgment - Normal : Each resistance value = in hundreds Ω ~ to hundreds of kΩ. - Defective : One or both are low with tens of Ω One or both of them is open Samsung Electronics...
Page 153: Case Study - E205 (Internal Communication Error Of The Outdoor Unit C-Box)
2) No power supply to inverter PBA. Possibility 3) Poor connection of communication wiring and connector. 4) Wrong HP information in EEPROM. MAIN PBA HUB PBA INV PBA 1 INV PBA 2 Communication jumper Comm. jumper Connection Inv1 and inv2 Samsung Electronics...
Page 154: Case Study - E206 (Internal Communication Error Of The Outdoor Unit C-Box)
E206- C001 : HUB PBA communication error / E206-C002 : FAN PBA communication error E206- C003 : INV1 PBA communication error / E206-C004 : INV2 PBA communication error E206- C005 : Water Hub PBA communication error Main PBA Hub PBA Inverter PBA Samsung Electronics...
Page 155: Case Study - E108 (Error Due To Repeated Address Setting)
Display : MANU-A000-A001-A002-A004-MANU-A001-A002-A004… If you can’t see address “03” probably #03 IDU has wrong address Duplicated address of indoor unit in EEV kit Check the EEV Kit setting Display : E108-C101-E108-C101… Check MCU address rotary switch Duplicated address of MCU Samsung Electronics...
Page 156: Case Study – E108, E604, E613
Because of E108 Address duplication of IDU/MCU/EEV EEV KIT address setting E108 Fix IDU address Failure (human error) Tracking error between remote con- Power reset on E604 Tracking fail because of E108 troller and the IDU Wired remote controller Samsung Electronics...
Page 157: Case Study - E461, E361 (Error Due To Operation Failure Of Inverter Compressor)
(INVERTER1 PBA) Outdoor unit display (INVERTER2 PBA) ∙ Startup, and then if the speed increase is not normally. Judgment Method ∙ Detected by H/W or S/W. ∙ Compressor connection error Cause of problem ∙ Defective Compressor ∙ Defective PBA Samsung Electronics...
Page 158: Case Study - Inverter Pba Error
∙ PBA defective (INVERTER1 PBA) Outdoor unit display (INVERTER2 PBA) ∙ N-phase wiring error and EMI Fuse short. Judgment Method ∙ DC-Link Overvoltage / Low voltage occurs. ∙ Check the input wiring Cause of problem ∙ EMI Fuse short Samsung Electronics...
Page 159: Case Study - E461/361 & E464/364 & E466/366
4. Execute inverter checker function in OUD main PBA. 5. If any LED is not blinking PBA defect Change PBA Inverter PBA visit visit Comp order visit visit Completion order PBA replace Comp replace Check with visit Order comp Inverter checker Comp replace Samsung Electronics...
Page 160 Diagnosis 2 : When 2comp system 1. Power Off 2. Wait more than 15 minutes after the Power Off. 3. Exchange comp wire ( Inverter PBA 1 comp 2 & Inverter PBA 2 comp 1) 4. Take measure according to the result Samsung Electronics...
Page 161 Measurement error can occur for reasons P-IGBT Measure such as the initial measurement More than 500K the resistance values N-IGBT condenser discharge. Measured over at least three times. N-IGBT N-IGBT P-IGBT P-IGBT P-IGBT Measure the diode 0.3~0.7V voltage values N-IGBT N-IGBT N-IGBT Samsung Electronics...
Page 162 2. Wait more than 15 minutes after the Power Off as in case of IPM failure, discharge mode may not work properly. 3. Prepare the digital multi tester. Resistance test Normal Value Resistance value of (U V,V W,W U) on compressor less than 2Ω Resistance value between the body of compressor and MΩ chassis Samsung Electronics...
Page 163: Case Study - Poor Cooling Caused By Ipm Overheated
52hz freq. 52hz (inv 1) IPM 86 IPM 92 IPM 91 IPM 89 - Root cause : Bad contact of IPM cause by faulty bolt. IPM1 IPM2 IPM 2- Reattach There is no thermal grease. Heat sink Samsung Electronics...
Page 164 19.3 IPM1 IPM1 IPM2 IPM2 Basic Reattach #1 Reattach #2 Solved IPM Temp Protection HP Protection - Hz Hold : 90 - Hz Hold : 36 kgf/ - Hz Down : 93 - Hz Down : 37 kgf/ Samsung Electronics...
Page 165: Case Study - Related Error With Ipm
3) Defect of related electronic component 1) Check status of screws on IGBT module Treatment 2) Plastering thermal grease to IGBT module or heat sink 3) Change INV PBA Heat sink IGBT(IPM) module Inv. PBA Good No Good Samsung Electronics...
Page 166: Case Study - Temperature Sensor Open/Short
Cond_out temp. sensor 103AT E231 11.2 EVI in/out temp. sensor 103AT E321,322 18.5 Liquid tube temp. sensor 103AT E311 Suction temp. sensor 103AT E308,323 12.1 Discharge temp. sensor 204CT E251,257 18.0 Comp. top temp. sensor 204CT E276,277 27.3 43.0 Samsung Electronics...
Page 167: Case Study - Pressure Sensor Open/Short
Disconnection or breakdown of relevant sensor. - E291 : High pressure sensor error - E296 : Low pressure sensor error Check sensor connector problem? Refrigerant amount insufficient voltage between Replace sensor Pressure pins 3&4 on PBA = 5V Replace PBA Samsung Electronics...
Page 168: Pba Diagram And Parts List
5. PBA Diagram and Parts List 5-1 ASS'Y PBA MAIN Push buttons Type Samsung Electronics...
Page 169 CN88-GAS LEAK ⑯ CN87-PUMP DOWN (EXTRA) #1 : COM-A #1 : VCC #1 : 12V #2 : COM-B #2 : COM-B #2 : COM-B #2 : PUMP DOWN START OUT #3 : 12V #4 : PUMP DOWN END OUT Samsung Electronics...
Page 170: Dip S/W Type
PBA Diagram and Parts List 5-1 ASS'Y PBA MAIN (cont.) DIP S/W Type Samsung Electronics...
Page 171 #4 : 12V #4 : AGND #5 : GND CN33-INDOOR COMM ⑬ CN34- UNUSED COMM ⑭ ⑮ CN13-5V POWER (EXTRA) #1 : COM-E #1 : COM-A #1 : COM-A #2 : COM-F #2 : COM-B #2 : COM-B Samsung Electronics...
Page 172: Ass'y Pba Main-Hub
PBA Diagram and Parts List 5-2 ASS'Y PBA MAIN-HUB Samsung Electronics...
Page 173 #2 : INV_SMPS_RELAY #2 : INV_SMPS_RELAY #4 : VCC #4 : VCC #3 : COMM OUT #3 : COMM-MAIN #4 : GND #4 : GND #5 : HIGH-PRESSURE-SENSOR #6 : LOW-PRESSURE-SENSOR #7 : ZERO-CROSSING #8 : GND #9 : VCC Samsung Electronics...
Page 174 PBA Diagram and Parts List 5-2 ASS'Y PBA MAIN-HUB (cont.) Samsung Electronics...
Page 175 CN701 EVI VALVE 1,2 #1 : 4-WAY VALVE #1 : AC LIVE #1: EVI VALVE 1 #2 : 4-WAY VALVE #2 : AC NEUTRAL #3: EVI VALVE 2 #7: EVI VALVE 1 #8: EVI VALVE 2 #9: AC NEUTRAL Samsung Electronics...
Page 176: Assy Pba Inverter
PBA Diagram and Parts List 5-3 ASSY PBA INVERTER - Model : AM080/100/120/200FXWANR* / AM072/096/120/192HXWAF(J)R* Samsung Electronics...
Page 177 #1 : 500V #2 : IN-SMPS-RELAY #2 : REACTOR #2 : GND #2 : GND(500V) #3 : COMM-IN #3 : 5V-FAN #4 : GND-MAIN #4 : AD-SELECT ⑨ CN13 - ACPOWER #1 : AC #2 : #3 : AC Samsung Electronics...
Page 178: Model : Am300Kxwanr* / Am240Kxwaf(J)R
PBA Diagram and Parts List 5-3 ASSY PBA INVERTER (cont.) - Model : AM300KXWANR* / AM240KXWAF(J)R* Samsung Electronics...
Page 179 ⑩ CN13-AC POWER ⑪ R-INPUT R TOP ⑫ S-INPUT S TOP #1 : AC #1: AC LIVE #1: R-IN #1: S-IN #2 : #2: AC NEUTRAL #3 : AC #3: AC NEUTRAL ⑬ T-INPUT T TOP #1: T-IN Samsung Electronics...
Page 180: Ass'y Pba Emi
CN23- INVERTER 220V ② CN21-FAN A ③ CN22-MAIN 220 ④ RST- RST INPUT #1 : AC #1 : R #1 : AC T-IN #2 : #2 : S #2 : AC S-IN #3 : AC #3 : T R-IN Samsung Electronics...
Page 181: Model : Am300Kxwanr* / Am240Kxwaf(J)R
PBA Diagram and Parts List 5-4 ASS’Y PBA EMI (cont.) - Model : AM300KXWANR* / AM240KXWAF(J)R* Samsung Electronics...
Page 182 CN107-T OUT ⑦ CN41-EARTH ⑧ CN101-R IN #1 : S-OUT #1 : T-OUT #1 : EARTH (PE) #1 : R-IN ⑨ CN102-S IN ⑩ CN103-T IN ⑪ R-INPUT R TOP #1 : S-IN #1 : T-IN #1: R-IN Samsung Electronics...
Page 183: Sub-Comm
② CN36 ③ CN#44 ④ CN45 ⑤ CN55 #1 :F1 #1 : F1 #1 : OF1 #1 : R1 #2 :F2 #2 : F2 #2 : OF2 #2 : R2 #3 :OF1 #4 :OF2 #5 :R1 #6 :R2 Samsung Electronics...
Page 184: Wiring Diagram
6. Wiring Diagram 6-1 AM080/100/120/200FXWA** This Document can not be used without Samsung’s authorization. Samsung Electronics Samsung Electronics...
Page 185: Am300Fxwa
Wiring Diagram 6-2 AM300FXWA** This Document can not be used without Samsung’s authorization. Samsung Electronics Samsung Electronics...
Page 186: Field Wiring
Do not use the power cable with the core wire exposed due to insulator damage occurred during removal of the sheath. When the core wire is exposed, it may cause fire. Exposed wi r e core Insulator (inner cover) Sheath (outer cover) Samsung Electronics...
Page 187 Galvanized steel sheet and Soft When the protection tube is installed outdoor and exposed to outside so there Class 1 PVC coated flexible conduit PVC compound are risk of damage to the protection tube and extra waterproof is needed Samsung Electronics...
Page 188 EVI (E_EVI) Top 1 (T_CT1) Pressure Sensor - Compressor 1 (COMP2) (COMP1) Low (PS_L) Thermistor - Liquid pipe (T_L) Solenoid Valve - Solenoid Valve - (V_EVI2) Ball Valve - EVI 1(V_EVI1) Accumulator oil Return (V_AR) Liquid pipe (BV_L) Samsung Electronics...
Page 189: Piping Diagram
Opening the valve during operation and sends the oil which accumulates V_AR valve-Accumulator Oil Return) in the lower liquid separator to the compressor. Hot Gas Charging Valve V_HC Valve is opened when high pressure is low in cooling operation. (Solenoid valve-Hot Gas Charging) Samsung Electronics...
Page 190 Comp. Top Temp. Sensor To measure the surface temperature of the compressor Top Cover. T_CT (Thermistor-Compressor Top) It is mainly used to protect the compressor. Ambient Temp. Sensor Measure the temperature of the outdoor air. (Thermistor-Ambient) Water Temp. Sensor Water (Thermistor-Water) Samsung Electronics...
Page 191: Am300Kxwanr*, Am240Kxwaf(J)R* (Dvm S Water Heat Recovery)
Piping Diagram 7-1 Piping Diagram (cont.) 7-1-1 AM300KXWANR*, AM240KXWAF(J)R* (DVM S Water Heat Recovery) This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 192: Am200Fxwanr*, Am192Hxwaf(J)R (Dvm S Water Heat Recovery)
Piping Diagram 7-1 Piping Diagram (cont.) 7-1-2 AM200FXWANR*, AM192HXWAF(J)R (DVM S Water Heat Recovery) This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 193: Am300Kxwanr*, Am240Kxwaf(J)R* (Dvm S Water Heat Recovery)
Piping Diagram 7-1 Piping Diagram (cont.) 7-1-3 AM300KXWANR*, AM240KXWAF(J)R* (DVM S Water Heat Recovery) This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 194: Refrigerant Flow For Each Operation Mode
V_HC CV_HC IPMC2 Receiver BV_LG V_HG CV_D1 CV_D2 V_EB T_S2 T_EO HX_IC PW_H1 PW_H2 T_EI T_D1 T_D2 E_EVI T_CT1 T_CT2 COMP1 COMP2 PS_L CV_L2 V_AR V_EVI1 V_EVI2 CV_L BV_L This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 195: Main Cooling Operation(H/R)
V_HC CV_HC IPMC2 Receiver BV_LG V_HG CV_D1 CV_D2 V_EB T_S2 T_EO HX_IC PW_H1 PW_H2 T_EI T_D1 T_D2 E_EVI T_CT1 T_CT2 COMP1 COMP2 PS_L CV_L2 V_AR V_EVI2 V_EVI1 CV_L BV_L This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 196: Heating Operation(H/R)
V_HC CV_HC IPMC2 Receiver BV_LG V_HG CV_D1 CV_D2 V_EB T_S2 T_EO HX_IC PW_H1 PW_H2 T_EI T_D1 T_D2 E_EVI T_CT1 T_CT2 COMP1 COMP2 PS_L CV_L2 V_AR V_EVI2 V_EVI1 CV_L BV_L This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 197: Main Heating Operation(H/R)
V_HC CV_HC IPMC2 Receiver BV_LG V_HG CV_D2 CV_D1 V_EB T_S2 T_EO HX_IC PW_H1 PW_H2 T_EI T_D1 T_D2 E_EVI T_CT1 T_CT2 COMP1 COMP2 PS_L CV_L2 V_EVI2 V_AR V_EVI1 CV_L BV_L This Document can not be used without Samsung’s authorization. Samsung Electronics...
Page 198: Functions
Superheated vapor indicates to the vapor state found to the right of the Saturated vapor line. Two-phase state refers to a state where gas and liquid phases are mixed. Subcooled liquid refers to the liquid state found to the left of the Saturated liquid line. Samsung Electronics...
Page 199: Refrigeration Cycle
Difference between condenser exit temperature and high pressure saturation temperature is referred to as subcooled degree. Superheated degree must be calculated at the evaporator exit. This prevents wet compression. Refrigerant flow from the evaporator must be adjusted using the expansion valve so that only superheated vapor can flow into the compressor. Samsung Electronics...
Page 200 Adjust the indoor unit EEV to sync the refrigerant superheated degree for the indoor heat exchanger (formula: exit refrig- erant temperature - entrance refrigerant temperature) with the target superheated degree. Samsung Electronics...
Page 201 - low pressure saturation temperature) with the target superheated degree. Adjust the indoor unit EEV to sync the refrigerant supercooling degree for the indoor heat exchanger (formula: high pres- sure saturation temperature - entrance refrigerant temperature) with the target supercooling degree. Samsung Electronics...
Page 202 In case that the measured value is higher than the target pressure, raise the operating capacity of the compressor consid- ering that the operating capacity is lower compared to load. Samsung Electronics...
Page 203 In case that the setting value of the evap in temperature is required to be adjusted, it can be adjusted in the main PBA by referring to the installation manual. Samsung Electronics...
Page 204 Piping Diagram 7-3 Functions (cont.) 7-3-2 Control (cont.) 7-3-2-1 Actuator (cont.) Seg1 Seg2 Seg3 Seg4 Pressure(kgf/cm 2.8 (Factory default) Main Samsung Electronics...
Page 205 Hysteresis. Operating outdoor unit can be circulated in case only some outdoor units are operated under partial load in case of operation by priority. Driving priority can be changed in case that oil recovery and entire outdoor units are off. Master Sub 1 Sub 2 Master Sub1 Sub2 Sub2 Master Sub1 Sub1 Sub2 Master Samsung Electronics...
Page 206 Master unit Sub 1 unit Compressor Comp 1(66cc) Comp 2(66cc) Comp 1(52cc) Comp 2(52cc) Module Capacity[kW] 80*22HP/(22HP+16HP) = 46.32 80*16HP/(22HP+16HP) = 33.68 Comp Capacity [kW] 23.16 23.16 16.84 16.84 Frequency 67hz 67hz + α 62hz 62hz + α Samsung Electronics...
Page 207 EEV control period : every 20s Controlled by capacity DSH normal DSH protection control Heat recovery operation? Target SH Control Target SH = Water temperatrue - 3 Target SH control Target SH = (Low pressure-10)*7+5 EEV control repeat Samsung Electronics...
Page 208 (High pressure Saturated temp. – Liquid tube 2. Tdis = 90 temp.) (EVI out temp. – EVI in temp.) control : 2 K EVI On mode Remark If comp discharge temp. is abnormally high, open EVI EEV to decrease the discharge temperature. Samsung Electronics...
Page 209 - If the valve is closed, refrigerant stagnates in the high pressure gas pipe causing a lack of refrigerant. - HR Only Control specifications in detail If using the Heat Recovery device, the valve is opened (ON) after cooling-only mode has been on for more than 20 minutes or when cooling oil return mode is active. Samsung Electronics...
Page 210 Concept - In main cooling mode, the valve is opened to send the high pressure to heating indoor units and enable heating. - HR Only Control specifications in detail In main cooling mode, the valve is On (opened) Samsung Electronics...
Page 211 - Condition(s) required to turn Off the CCH: [ A or B ] A. The highest temperature of the compressor has remained above 55 for 30 min. B. The CCH has been On for longer than 6 hours. Samsung Electronics...
Page 212 DSH > 10 K Cold Operation Prevention of liquid compression Normal Operation - DSH = Compressor discharge temp. - High pressure saturation temp. - Definition of compressor discharge temperature from DSH : Min { Max(Tdis_comp1, Ttop_comp1), Max(Tdis_comp2, Ttop_comp2) } Samsung Electronics...
Page 213 In Cold Operation mode, the compressor frequency increase speed is restricted to 1Hz per 60 sec. Condition(s) required to close Cold Operation mode: [ A or B ] A. A maximum of 60 min has elapsed B. DSH > 15 K Samsung Electronics...
Page 214: Quick Start
- In Cold Operation mode, the compressor frequency increase speed is restricted to 1Hz per 30 sec. - Condition(s) required to close Cold Operation mode : [ A or B ] A. A maximum of 30 min has elapsed B. DSH > 15 K Samsung Electronics...
Page 215 - In Cold Operation mode, the compressor frequency increase speed is restricted to 1Hz per 30 sec. - Condition(s) required to close Cold Operation mode: [ A or B ] A. A maximum of 30 min has elapsed B. DSH > 15 K Samsung Electronics...
Page 216 Main Cooling : On(Open), Cooling : Off(Close) Solenoid Valve-Liquid Tube Operation Off (Close) Solenoid Valve – Main Cooling V_MC Operation Off (Close) Solenoid Valve-Hot Gas Charging V_HC Operation Off(Close) / On(Open) when high pressure is low Refrigerant Flow Heat pump Samsung Electronics...
Page 217 Piping Diagram 7-3 Functions (cont.) 7-3-2 Control (cont.) 7-3-2-3 Normal operation modes (cont.) Refrigerant Flow Heat Recovery Samsung Electronics...
Page 218 EVI (E_EVI) Top 1 (T_CT1) Compressor 1 Pressure Sensor - (COMP2) (COMP1) Low (PS_L) Thermistor - Liquid pipe (T_L) Solenoid Valve - Solenoid Valve - (V_EVI2) Ball Valve - EVI 1(V_EVI1) Accumulator oil Return (V_AR) Liquid pipe (BV_L) Samsung Electronics...
Page 219 Piping Diagram 7-3 Functions (cont.) 7-3-2 Control (cont.) 7-3-2-3 Normal operation modes (cont.) Heat Recovery Samsung Electronics...
Page 220 V_HG2 Operation Main Cooling : On(Open), Cooling : Off(Close) Solenoid Valve-Liquid Tube Operation Off (Close) Solenoid Valve – Main Cooling V_MC Operation Off (Close) Solenoid Valve-Hot Gas Charging V_HC Operation Off(Close) / On(Open) when high pressure is low Samsung Electronics...
Page 221 Piping Diagram 7-3 Functions (cont.) 7-3-2 Control (cont.) 7-3-2-3 Normal operation modes (cont.) Refrigerant Flow Samsung Electronics...
Page 222 Solenoid Valve – Accumulator Oil Return V_AR Operation On (Open) Solenoid Valve – Hot Gas Bypass 2 V_HG2 Operation Off(Close) Solenoid Valve-Liquid Tube Operation Off (Close) Solenoid Valve – Main Cooling V_MC Operation Off (Close) Solenoid Valve-Hot Gas Charging V_HC Operation Off(Close) Samsung Electronics...
Page 223 Piping Diagram 7-3 Functions (cont.) 7-3-2 Control (cont.) 7-3-2-3 Normal operation modes (cont.) Refrigerant Flow Samsung Electronics...
Page 224: Oil Return Operation
Higher step of [400(C)/300(H) or Current step] Indoor EEV Stopped indoor units 400(C)/300(H) Indoor Fan Normal control Time 3min(C) / 6min(H) *Additional capacity = Compensation capacity of stop units * EEV step can be varied by cycle condition. Samsung Electronics...
Page 225 Piping Diagram 7-3 Functions (cont.) 7-3-2 Control (cont.) 7-3-2-4 Special operation modes (cont.) Refrigerant Flow Heat Pump - Cooling Heat Pump - Heating Samsung Electronics...
Page 226 Piping Diagram 7-3 Functions (cont.) 7-3-2 Control (cont.) 7-3-2-4 Special operation modes (cont.) Refrigerant Flow Heat Recovery - Cooling Samsung Electronics...
Page 227 Piping Diagram 7-3 Functions (cont.) 7-3-2 Control (cont.) 7-3-2-4 Special operation modes (cont.) Refrigerant Flow Heat Recovery - Heating Samsung Electronics...
Page 228 Hz D own release & (T.HP + 3) Hz Hold area Hz Hold release & (T.HP + 1.5) Normal op eration High Pressure < 30 k gf /cm ,g : Compressor Trip release T.HP = Targ et Hig h Pressure Samsung Electronics...
Page 229 - 4th step Comp trip : low pressure is less than 2.6 after HP down control entry 1min(in case of water circulation) - Control of the Hot Gas Bypass Valve(in case of water circulation). Open the valve if low pressure is 7.5 or lower. Close the valve if low pressure is 9.5 or higher. Samsung Electronics...
Page 230 3 min Heating Tw=water, 7.5 Tw=Anti-freeze1, 6.0 Tw=Anti-freeze1, 5.0 Tw=water, 7.5 Tw=Anti-freeze1, 6.0 Tw=Anti-freeze1, 5.0 Tw=water, 7.5 Tw=Anti-freeze1, 6.0 Tw=Anti-freeze1, 5.0 Compressor trip (E410) after staying in this phase for a max of 3 min Tw=Water Temperature Samsung Electronics...
Page 231 1st step Hz hold : The current frequency is fixed. (It is possible to lower the frequency if necessary) 2nd step Hz down : The frequency is forcibly lowered by 5Hz at specified intervals. 3rd step HP down : The frequency is forcibly lowered by 1Hz every second. Samsung Electronics...
Page 232 3rd step Hz down : The frequency is forcibly lowered by 5Hz at specified intervals. 4th step HP down : The frequency is forcibly lowered by 1Hz every second. 5th step Comp trip : Compressors stop and an error is triggered (E416). Samsung Electronics...
Page 233 2nd step Increase of the minimum compressor frequency : The minimum compressor frequency is increased to the predefined model-specific frequency. 3rd step Comp Trip : If in critical state for 10 min, stop the compressors and trigger an error (E428). Samsung Electronics...
Page 234 3rd step Hz down : The frequency is forcibly lowered by 5Hz at specified intervals. 4th step HP down : The frequency is forcibly lowered by 1Hz every second. 5th step Comp trip : Compressors stop and an error is triggered (E416). Samsung Electronics...
Page 235 Second cooling release : SH release occurs 2 min after the first release if the DSH is above 10 K - If in this state for 30 sec, ∙ Cooling : Indoor unit EEV Target SH 6 K ∙ Heating : Main EEV Target SH 6 K Samsung Electronics...
Page 236 Compressor Trip (E400 or E500) HP Down area Compressor trip (E400 or E500) occurs if in this state for 10 min HP Down release Hz Down area Hz Down release Hz Hold area Hz Hold release Normal operation Samsung Electronics...
Page 237 1st step Hz hold : The current frequency is fixed if the outdoor unit current at present is higher than 95% of the maximum current. (It is possible to lower the frequency if necessary) 2nd step Hz down : The frequency is forcibly lowered by 5Hz at specified intervals if the outdoor unit current at present is higher than the maximum current. Samsung Electronics...
Page 238 2nd step HP down: The frequency is forcibly lowered by 1Hz at specified intervals. 3RD step Comp trip: Compressors stop and an error is triggered (E462). Compressor Trip (E464, 465, 364, 365) HP Down area HP Down release Hz Hold area Hz Hold release Normal operation Samsung Electronics...
Page 239 Hz Hold area if in this state for 40 sec Hz Down area if in this state for 40 sec HP Down area if in this state for 40 sec Compressor Stop & Indoor unit air flow = low if in this state for 40 sec Samsung Electronics...
Page 240: Indoor Unit Control
1 K < |Ts - Ti| ≤ 3 K 3 K < |Ts - Ti| High 2) The fan speed is automatically adjusted as shown below, irrespective of inputs on the remote control. Relay fan Other fans Low Low Samsung Electronics...
Page 241 Thermo off : Tr ≥ Ts - A + 1 K - Install Option 2 value Symbol Function Offset the set heating temp Offset the set cooling temp Change the mode (heat cool) Change the mode (cool heat) T time Samsung Electronics...
Page 242 - In case of a normal indoor unit, heating offset value of 2 K is applied and this can be adjusted with the option code. Offset value shall not be applied in case that users set up the room temperature using the cable remote control where the temperature sensor is built in Samsung Electronics...
Page 243 T : Heating compensation temperature ∙ In case of using external room temp. sensor ( Installation option SEG4 = 1 ) : T = 0 Notes - Order of priority : Use of external temp sensor > Install offset > Basic option. Samsung Electronics...
Page 244 “02” SEG 4 External room sensor Minimizing fan operation Disuse Disuse Disuse Disuse Use-Heating Use-Heating Disuse Use-Cooling Use-Cooling Disuse Use-Both Use-Both Notes If you set “02” SEG4 as external room s/s use, Heating compensation temperature will be set as 0 Samsung Electronics...
Page 245: Fan Speed Control
- Quiet mode : it can reduce the noise from fan motor during cooling or heating mode. - Fan feedback indoor unit(ex. RAC, 1way, 2way, 4way): Current Fan speed -1 step (1step = about 20 rpm) - Fan non feedback indoor unit(ex. duct) : H M, M L, L Samsung Electronics...
Page 246 Operation Off Note 1* * Note 1 : Control of inactive heating units (lower noise/general) Outdoor unit for first priority EDM high-head EDM general outdoor unit or lower Above 0 Cooling Condensed liquid Hot gas Heating Condensed liquid Samsung Electronics...
Page 247: Drain Pump Control
The drain pump activates if the Float S/W operates in heating mode Cooling or Auto cooling or Dehumidifying mode Outdoor Comp ON Outdoor Comp OFF Detected by the Float S/W Not detected by the Float S/W Drain Pump ON Drain Pump OFF Samsung Electronics...
Page 248 - The fan speed is restricted according to the average heat exchanger temperature and temperature variations (increase/decrease). If the temp drops High or lower Mid or lower High or lower Mid or lower Low Low Fan off Low Low If the temp rises Airflow in heating mode Samsung Electronics...
Page 249: Field Setting
- Error E560 will be triggered if all the compressors on outdoor units are disabled. (The SVC V/V must be closed for outdoor units if modules are installed and all the compressors on a single outdoor unit are disabled.) Samsung Electronics...
Page 250 - Error E560 will be triggered if all the compressors on outdoor units are disabled. (The SVC V/V must be closed for outdoor units if modules are installed and all the compressors on a single outdoor unit are disabled.) Samsung Electronics...
Page 251 - See “Compressor capacity control" for details on compressor operation specifications. Input unit Seg1 Seg2 Seg3 Seg4 Pressure(kgf/cm2,g) 2.8 (Factory default) Main Notes - When low pressure value is set, discharged air temperature of the indoor unit will decrease and power of outdoor will increase. Samsung Electronics...
Page 252 Oil collection interval Standard (default) Main Shorten the interval by 1/2 Notes Change the option if an oil leak occurs. Performance may degrade if the option is not changed. Make sure to restore the original value after refilling the oil. Samsung Electronics...
Page 253 Main Level 2 of Type 1 (When outdoor unit is located over 80m above the indoor unit) Type 2 (When indoor unit is over 30m above the outdoor unit) Notes - Incorrect settings may damage the system. Samsung Electronics...
Page 254 100~170m) Level 2 (When equivalent length of farthest indoor unit from the outdoor unit is over 170m) Notes - Incorrect settings may seriously damage the system. - Setting is unnecessary if high-head condition is set. Samsung Electronics...
Page 255 Set temperature + 3 K Set temperature Target evaporation temperature (when the outdoor temperature is low) Target evaporation temperature (when the outdoor temperature is high) ECO for heating Set temperature Set temperature - 2 K Current indoor temperature Target high pressure Samsung Electronics...
Page 256 Target low pressure (6.5kgf/cm2,g if power mode is enabled) Input unit Seg1 Seg2 Seg3 Seg4 Energy control Operation Disabled (default) Main Energy saving Power Notes - Operating in energy saving mode, capacity might decrease compared to normal operation mode. Samsung Electronics...
Page 257 - If the Channel address is set, the same channel address is assigned to the sub outdoor units, indoor units, and MCUs connected to a main outdoor unit. Control specifications in detail Input unit Seg1 Seg2 Seg3 Seg4 Channel address Automatic setting (default) Main Manual setting for channel 0~15 0 - 15 Samsung Electronics...
Page 258 MCUs connected to a main outdoor unit. Control specifications in detail Expand operational temperature range for Input unit Seg1 Seg2 Seg3 Seg4 cooling operation (HR only) Automatic setting (default) Main Manual setting for channel 0 - 15 0 - 15 Samsung Electronics...
Page 259 - The maximum cooling capacity is not restricted if the outdoor temperature is low and it is difficult to secure low and high pressures. Input unit Seg1 Seg2 Seg3 Seg4 Max capacity restriction Enabled (default) Main Disabled Samsung Electronics...
Page 260 SEG 1 SEG 2 SEG 3 SEG 4 After communication setting MCU, Indoor unit address I/U: “A” I/U: “0” Reception address (usual occasion) MCU: “C” MCU: “1” (in decimal number) I/U : Indoor unit Table A. 7-segment display Samsung Electronics...
Page 261: Key Options
Circulation fluid type setting. Setting of the low ambient kit use for cooling operatin in low ambient Low ambient kit temperature condition. (Air-cooled type only) When set, emergency operation is possible even if an indoor communica- Emergency operatin tion error occurs. Samsung Electronics...
Page 262: Outdoor Unit Option Switch Settings
(freezing point of anti-freeze must be below -8 °C) Anti-freeze circulation OFF ON Minimum temperature of entering water -10 °C (freezing point of anti-freeze must be below -15 °C) ※ Maintain appropriate concentration level of anti-freeze according to SW58 switch setting. Samsung Electronics...
Page 263 - In humid condition, it’s easy to be dewing on the surface of indoor unit’s panel because of cold draft from the indoor unit. So system will limit compressor maximum operable frequency to prevent dewing problem. This doesn’t mean shortage of cooling capacity but better reliability. Samsung Electronics...
Page 264 : To set the quantity of connected MCU. (Main outdoor unit only) - If the quantity of MCU which is communicating with outdoor unit is different error will be displayed.(E214) Setting Ex) MCU 2ea Ex) MCU 12ea MCU Quantity (A=10, B=11, ~, F=15) Samsung Electronics...
Page 265 Ready to set 00 : Heat pump system 01 : Heat recoverysystem Step10 Press K4 Ones digit (0 ~ 1) Step9 K2: long Save Restart * Press K1 for 2 seconds to exit without save regardless of setting step. Samsung Electronics...
Page 266 - Press and hold the K2 button - All settings are saved - After a screen flickers between 3 seconds, and tracking normally Cancel settings - Press and hold the K1 button to exit without saving the settings Samsung Electronics...
Page 267: How To Check The View Mode Using A Tact Switch
3. If you have selected desired option, you can shortly press the K2 switch to adjust the value of the Seg 3, Seg 4 and change the function for the selected option. (Refer to pages 74~77 for the Seg number of the function for each option) Example) Samsung Electronics...
Page 268 When outdoor unit is over 80 m condition type 1 (Indoor unit is lower above the indoor unit than outdoor unit) Height difference type 2 When indoor unit is over 30 m (Outdoor unit is lower than above the outdoor unit indoor unit) Samsung Electronics...
Page 269 Note 1) Anti-freeze solution 1: Freezing point of anti-freeze must be below -8 ˚C. (Minimum temperature of entering water: - 5˚C) Anti-freeze solution 2: Freezing point of anti-freeze must be below -15 ˚C. (Minimum temperature of entering water: - 10˚C) Samsung Electronics...
Page 270: Applications
"3" No delay Temperature offset: "4" +10 minute delay 2.7°F (1.5°C)+ "5" +20 minute delay (a) Refer to “Configuration” in the indoor unit installation manual for more details. (b) If further temperature offsets are desired, contact technical support. Samsung Electronics...
Page 271 Do not use contacts 1 and 2. Note: Do not directly connect module to external contact. Use correctly sized external relays. Figure 4. External contact interface module: wiring diagram for auxiliary heat Samsung Electronics...
Page 272 However, if the external contact interface LEVEL 3 / Auto night-time module (MIM-B14) is used, entering the LEVEL 1 / External contact silent mode is available LEVEL 2 / External contact with contact signal. LEVEL 3 / External contact Samsung Electronics...
Page 273: Application Of Mode Select Switch
HP (common in the SAC market) - Operation of both heating and cooling modes is not possible. Single cycle control is only possible HR (Heat Recovery) : Operation of both cooling and heating modes is possible (relatively costly) Samsung Electronics...
Page 274 - Use the upper-level controller (software) : Set dedicated mode Available operation modes are limited Automatic detection of Information on the cooling-only outdoor unit is shared with all the other units cooling-only outdoor unit Available operation modes are limited Samsung Electronics...
Page 275 - Setting : Connect just 1 indoor unit and stop the operation. Then press and hold the Mode button for 5 seconds to set the indoor unit as 'Mode master indoor unit' - Cancelling : Connect just 1 indoor unit and stop the operation. Then press and hold the Fan speed button for 5 seconds to cancel the 'Mode master indoor unit' setting. Samsung Electronics...
Page 276 3-wire male Connector. > [WARNING] Hazardous Voltage! Disconnect all electric power, including remote disconnects before servicing. Follow proper lockout/tagout procedures to ensure the power can-not be inadvertently energized. Failure to disconnect power before servicing could result in death or serious injury. Samsung Electronics...
Page 277 • If set to Cool, the outdoor unit operates in cooling mode only. • If set to Heat, the outdoor unit operates in heating mode only. • If set to Auto, the local wired or wireless remote control determines the operating mode (heat/cool) of the outdoor unit. Samsung Electronics...
Page 278 • If set to Cool, the outdoor unit operates in cooling mode only. • If set to Heat, the outdoor unit operates in heating mode only. • If set to Auto, the local wired or wireless remote control determines the operating mode (heat/cool) of the outdoor unit. Samsung Electronics...
Page 279: Test Operation
- Outdoor unit’s 4-way valve operation related to outdoor air is checked - Outdoor unit’s EVI EEV operation is checked - Outdoor unit’s Main EEV operation is checked Checked only if “heating” mode is on during Auto Trial Operation) Samsung Electronics...
Page 280 Some items are not inspected, depending on the installation environment and operation condition. These items are indicated as “Unidentified”. e.g., If the system is installed with modules and none of the outdoor units operate due to insufficient indoor load, items related to the outdoor units will not be inspected. Samsung Electronics...
Page 281 - Check the active outdoor and indoor units for the presence of noise. - Check the outdoor and indoor units for drainage. - To check more specific operation status, use the S-NET. Use the User Manual to explain how to use the air conditioning system to the user. Samsung Electronics...
Page 282: Auto Trial Operation Flow Chart
The same applies when performing Auto Trial Operation after a compressor is operated (generally, leave idle for at least one hour). Starting the operation when the pressure sensors and thermistors are not stable can degrade the inspection accuracy. Samsung Electronics...
Page 283: How To Resolve Ng Items
- Thermistors on indoor units where outdoor air is applied are excluded from inspection. - To replace a component or inspect the PBA, be sure to cut off the power supply first. If inspection must be performed with the power supply on, exercise extra care to prevent electric shock. Samsung Electronics...
Page 284 If you start inspection immediately after operation, the temperature is not stable and this can degrade the inspection accuracy. - To replace a component or inspect the PBA, be sure to cut off the power supply first.A If inspection must be performed with the power supply on, exercise extra care to prevent electric shock. Samsung Electronics...
Page 285 Use the blower to regulate the air temperature to a similar level. - To replace a component or inspect the PBA, be sure to cut off the power supply first. If inspection must be performed with the power supply on, exercise extra care to prevent electric shock. Samsung Electronics...
Page 286 Perform Auto Trial Operation again. Precautions - To replace a component or inspect the PBA, be sure to cut off the power supply first. If inspection must be performed with the power supply on, exercise extra care to prevent electric shock. Samsung Electronics...
Page 287 Auto Trial Operation again. - To replace a component or inspect the PBA, be sure to cut off the power supply first. If inspection must be performed with the power supply on, exercise extra care to prevent electric shock. Samsung Electronics...
Page 288 Perform Auto Trial Operation again. Precautions - To replace a component or inspect the PBA, be sure to cut off the power supply first. If inspection must be performed with the power supply on, exercise extra care to prevent electric shock. Samsung Electronics...
Page 289 Perform Auto Trial Operation again. Precautions - To replace a component or inspect the PBA, be sure to cut off the power supply first. If inspection must be performed with the power supply on, exercise extra care to prevent electric shock. Samsung Electronics...
Page 290 Perform Auto Trial Operation again. Precautions - To replace a component or inspect the PBA, be sure to cut off the power supply first. If inspection must be performed with the power supply on, exercise extra care to prevent electric shock. Samsung Electronics...
Page 291 Perform Auto Trial Operation again. Precautions - To replace a component or inspect the PBA, be sure to cut off the power supply first. If inspection must be performed with the power supply on, exercise extra care to prevent electric shock. Samsung Electronics...
Page 292 Perform Auto Trial Operation again. Precautions - To replace a component or inspect the PBA, be sure to cut off the power supply first. If inspection must be performed with the power supply on, exercise extra care to prevent electric shock. Samsung Electronics...
Page 293: Amount Of Refrigerant Automatically Checking
Deficiency of Over-cooling : After the 10% addition of calculated total refrigerant amount, retry Checking the amount of refrigerant. Undetermined : Checking the amount of refrigerant confirms that is performed in warranty temperatures area. Ensure that there is no other problems in the system by Test Operation. Samsung Electronics...
Page 294: Nomenclature
(3) Version (Model Year) (7) Rating Voltage 2013 1ø, 220~240V, 50Hz 2014 3ø, 380~415V, 50Hz 2015 208~230V, 60Hz, 3ø 2016 460V, 60Hz, 3ø 2017 380~415V, 50/60Hz, 3Φ (4) Product type (8) Mode (Function) Outdoor Unit Heat Pump Indoor Unit Heat Recovery Samsung Electronics...
Page 295 © Samsung Electronics Co., Ltd. February 2017. This Service Manual is a property of Samsung Electronics Co., Ltd. Printed in Korea. Any unauthorized use of Manual can be punished under applicable International and/or domestic law. Code No. AC-00185E_1...

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Am100fxwanr Am200fxwanr Am300kxwanr Am120fxwanr Am072hxwafr Am096hxwafr ... Show all

Samsung AM080FXWANR Service Manual

1 Precautions

2 Product Specifications

3 Disassembly and Reassembly

4 Troubleshooting

5 PBA Diagram and Parts List

6 Wiring Diagram

7 Piping Diagram

8 Key Options

9 Test Operation

10 Nomenclature

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Summary of Contents for Samsung AM080FXWANR