Samsung MH026FNCA manual

SER VICE AIR CONDITIONER FREE JOINT MUL TI AIR CONDITIONER INDOOR UNIT OUTDOOR UNIT MH026FNCA MH050FXCA2A MH035FNCA MH080FXCA4A MH052FNCA MH026FECA MH035FECA MH052FECA Manual THE FEA TURE OF PRODUCT  Multi Inverter(Free Joint Multi) Series – Variable Indoor Unit Combination(Free Joint Multi) – Multi Inverter(Free Joint Multi) Series delivers[...]

Contents 1. Precautions .......................................................................................................................................... 1-1 1-1 Installing the air conditioner .......................................................................................................... 1-1 1-2 Power supply and circuit breaker [...]

Contents 9. T roubleshooting .............................................................................................................................. 9-1 9-1 Items to be checked first ................................................................................................................ 9-1 9-2 Checking and T esting operations ......[...]

1. Precautions 1-1 Installing the air conditioner  Users should not install the air conditioner by themselves. Ask the dealer or authorized company to install the air conditioner except the window-type air conditioner in U.S.A and Canada.  If you don’t install the air conditioner properly , it may cause a fire, a water leakage or an electri[...]

1-4 Disposing of the unit  Before throwing out the air conditioner , remove the batteries from the remote control.  When you dispose of the air conditioner , consult your dealer . If pipes are removed incorrectly , refrigerant may blow out and cause air pollution. When it contacts with your skin, it can cause skin injury .  The package of [...]

2. Product Specifications 2-1 The Feature of Product  Multi Inverter(Free Joint Multi) Series delivers comfort to 2~4 rooms with a Single Outdoor Unit.  Inverter for High Efficiency Operation. Thanks to inverter control, efficiency of operation of the outdoor unit is enhanced depending on the number of indoor units operated and the temperatur[...]

2-2 Product Specifications Model MH026FNCA MH035FNCA Item INDOOR UNIT T ype W all-mounted W all-mounted Cooling 9,000 12,000 Perfor- Heating Btu/hr 10,000 13,000 Dehumidifying | /h - - Air V olume Cooling m 3 /min 8.31 9.54 mance Heating 8.56 9.93 Noise Cooling dB 32 3 6 Heating 32 3 6 Power ø,V ,Hz 1,208~230,60 1,208~230,60 Power Consumption Cool[...]

Product Specifications(cont.) Model MH052FNCA Item INDOOR UNIT T ype W all-mounted Cooling 18,000 Perfor- Heating Btu/hr 19,000 Dehumidifying | /h - Air V olume Cooling m 3 /min 13.21 mance Heating 14.22 Noise Cooling dB 40 Heating 40 Power ø,V ,Hz 1,208~230,60 Power Consumption Cooling W 50 Power Heating 50 Operating Current Cooling A 0.30 Heatin[...]

Product Specifications(cont.) Model MH026FECA MH035FECA MH052FECA Item INDOOR UNIT T ype Slim Duct Slim Duct Slim Duct Cooling Btu/hr 9,000 12,000 18,000 Perfor- mance Heating 10,000 13,000 19,000 Air V olume Cooling m 3 /min 8.6 9.8 13.6 Heating 9.0 10.3 14.2 Noise Cooling dB 31 32 3 9 Heating 31 32 3 9 Power ø,V ,Hz 1,208~230,60 1,208~230,60 1,2[...]

Product Specifications(cont.) /QFGN /*  (: & # $ /*(:%## +VGO 176&11470+6 6 [RG (TGG,QKPV /WNVK (TGG,QKPV /WNVK %QQNKPI $VWJT ` ` 2GTHQT OCPEG %CRCEKV[ *GCVKPI ` ` #[...]

Samsung Electronics 2-6 2-3 Accessory and Option Specifications 2-3-1 Indoor Unit Accessories  MH  FNCA +VGO &GUETKRVKQPU 36; %QFG0Q 4GOCTM +PFQQT 7PKV  4GOQVG%QPVTQN  7UGT/CPWCN &$#  +PUVCNNCVKQP/CPWCN &$#  &$$ /*[...]

2-7 Samsung Electronics Product Specifications  The design and shape can be changed according to the model. Indoor Unit Accessories(cont.)  MH  FECA Item Descriptions Q'TY Code-No. Remark Indoor Unit User Manual DB98-29159A 1 Installation Manual DB98-29160A 1 Pattern Sheet 1 Insulation-Install Outlet DB72-00143D 1 Insulation-Ins[...]

Product Specifications Indoor Unit Accessories(cont.)  MH  FECA (cont.) Item Descriptions Code-No. Q'TY Remark Cable-tie DB65-10088C 8 Indoor Unit Drain Pipe Holder DB90-02064A 2  The design and shape can be changed according to the model. Samsung Electronics 2-8[...]

2-9 Samsung Electronics Product Specifications +VGO &GUETKRVKQPU 36; %QFG0Q 4GOCTM 1WVFQQT 7PKV &TCKP2NWI 1WV &$ #   4WDDGT.GI &$#  +PUVCNNCVKQP/CPWCN &$#  5GTXKEG/CPWCN &$#  0KRRNG%QPPGEV[...]

Product Specifications Samsung Electronics 2-10 Item Descriptions Q'TY Code-No. Remark T ransmitter O W N E R ' S I N S TR U C TI O N S M A N U A L D E I N ST R U C C I O N ES I ST R U ZI O N I PE R L ' U SO M A N U A L D E I N S TR U Ç Õ E S M A N U EL D ' U T I L I SA TI O N G EB R A U C H SA N W EI SU N G G EB R A U C H SA [...]

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Alignment and Adjustments  MH  FECA The error indicated on the LED display of Indoor unit Abnormal conditions Indicators Operating Concealed T ype Blue Red Standard T ype Power reset Error of temperature sensor in indoor unit(OPEN/SHORT) Displayed on appropriate indoor unit which is operating Error of heat exchanger sensor in indoor uni[...]

Alignment and Adjustments  MH  FE C A(cont.) The error indicated on the LED display of Indoor unit Abnormal conditions Indicators Operating Concealed T ype Blue Red Standard T ype 5. Breakaway of COND MID sensor 6. 2 nd detection of refrigerant completely leak 7. 2 nd detection of high temperature COND 8. 2 nd detection of high temperat[...]

Alignment and Adjustments 3-1-2 Outdoor Unit Display EXPLANA TION (The error indicated on the PCB display of outdoor unit) REMARK Communication error(indoor unable to receive data) Check electrical connection and setting Outdoor unit communication error (Abnormal data from indoor unit over 60 packet) Check electrical connection and setting Indoor u[...]

Alignment and Adjustments Outdoor Unit(cont.) Display EXPLANA TION (The error indicated on the PCB display of outdoor unit) REMARK Outdoor unit freezing(Compressor stop) check pipe length, indoor unit filter , refrigerant leakage/ charge and service port Outdoor unit overload - Safety control(Compressor stop) check pipe length, refrigerant leakage/[...]

3-2 Setting Option Setup Method ex) Option No. : Step 1 : Enter the Option Setup mode. 1 st T ake out the batteries of remote control. 2 nd Press the temperature button simultaneously and insert the battery again. 3 rd Make sure the remocon display shown as . Step 2 : Enter the Option Setup mode and select your option according to the following pro[...]

Alignment and Adjustments Feature Display 6 Change it into the set display of Option SEG5 and SEG6 with the button. 7 Setting Option SEG5. Push the button to set the display panel to . Every time you push the button, the display panel reads . . . repeatedly . 8 Setting Option SEG6. Push the button to set the display panel to . Every time you push t[...]

Alignment and Adjustments Step 3 : Upon completion of the selection, check you made right selections. Whenever you press the button, the set Option will be displayed. Step 4 : Pressing the ON/OFF button ( ) When pressing the operation ON/OFF key with the direction of remote controller for unit, the sound "Ding" is heard and the OPERA TION[...]

TECHNICAL BULLETIN Technical Bulletins are produced to provide information not contained in the manuals or to update currently published technical information on the Samsung line of Mini splits published technical information on the Samsung line of Mini splits This bulletin is on : Know this The Option codes shown in the Service manual have been RE[...]

Alignment and Adjustments  T able of the option code MODEL OPTION CODE MH026FNCA 027402-14221A-200001-300000 MH035FNCA 027402-16224d-200001-300000 MH052FNCA 026402-19228F-200001-300000 'ZVGTPCN5VCVKE 2TGUUWTG OO#S  5VCPFCTF   /*('%#  &[...]

4. Disassembly and Reassembly  Necessary T ools Item Remark +SCREW DRIVER MONKEY SP ANNER Samsung Electronics 4-1[...]

4-1 Indoor Unit Stop operation of the air conditioner and remove the power cord before repairing the unit. 4-1-1 MH026FNCA/MH035FNCA/MH052FNCA No Parts Procedure Remark 1 Front Grille 1) Stop the air conditioner operation and shut off the main power . 2) Open the Front Grille by pulling right and left sides of the hook. 3) Loosen 1 of the right scr[...]

Disassembly and Reassembly No Parts Procedure Remark 6) Unlock 3 hooks to fix Panel Front and T ray Drain. 7) Unlock 3 hooks to fix Panel Front and Back-Body . 2 Control-In (Main PCB) 1) T ake all the connector of PCB upper side out. (Inclusion Power Cord) 2) Detach the outdoor unit connection wirefrom the T erminal Block. 3) Loosen 4 fixing screws[...]

Disassembly and Reassembly No Parts Procedure Remark 4 Heat Exchanger 1) Loosen 2 fixing earth screws of right side. 2) Detach the Connection Pipe. 3) Detach the Holder Pipe at the rear side. 4) Loosen the 4 fixing screws of right and left side. 5) Lifting the Heat Exchanger up a little to push the up side for separation from the indoor unit. 5 Fan[...]

Disassembly and Reassembly 4-1-2 MH026FECA/MH035FECA No Parts Procedure Remark 1 Motor & Blower 1) Disassemble the Cabinet T op Motor . - Unscrew 8 screws 2) Disassemble 2 Cover Blower Uppers. - After unscrewing 2 screws - Disassemble the Cover Blower Upper with pushing its hook. 3) Disassemble the Cover Control. - Unscrew 2 screws Samsung Elec[...]

Disassembly and Reassembly No Parts Procedure Remark 4) Disassemble Motor Wires connected to the inside of PCB and connected to the Capacitor . 5) Disassemble the Motor earth wire connected to the Partition. - Unscrew a screw 6) Disassemble the band Motor for fixing the Motor . - Unscrew 2 screws 7) After disassembling the Motor and Blower for the [...]

Disassembly and Reassembly No Parts Procedure Remark 2 Drain Pan 1) Disassemble the Cabinet T op Evap. - Unscrew 1 1 screws 2) Disassemble the Bracket Outlet Sub that fixes the Drain Pan equipped on the front of the set. - Unscrew 6 screws 3) Disassemble the Drain Cushion from the set. Samsung Electronics 4-7[...]

Disassembly and Reassembly No Parts Procedure Remark 3 Evaporator  The Evaporator should be disassembled after disassembling the Cover Control 1-3) and the Drain Pan 2-1), 2-2), 2-3). 1) Disassemble the Cover Pipe that fixes the high/low pressure Pipe. - Unscrew 2 screws 2) Disassemble the refrigerant temperature sensor , Inlet air temperature s[...]

Disassembly and Reassembly No Parts Procedure Remark 5) Disassemble the Evaporator form the set. 4 Control In  The Control In should be disassembled after disassembling the Cover Control 1-3). 1) Disassemble all Control Wires connected to the inside of PCB. 2) In case of disassembling the PCB separately , disassemble the PCB from the case with p[...]

Disassembly and Reassembly No Parts Procedure Remark 5) In case of disassembling the T rans Power , unscrew the screw fixing on the Case.  Disassemble if after disassembling the case PCB 4-4). 5 Bracket Outlet 1) Disassemble the Bracket Outlet assembled on the Cabinet. - Unscrew 10 screws Samsung Electronics 4-10[...]

Disassembly and Reassembly 4-1-3 MH052F E CA No Parts Procedure Remark 1 Filter 1) Pull out the Filter as picture 1 or picture 2. 2) If it is necessary , after disassembling 8 indicating screws, detach the Bracket Filter . Samsung Electronics 4-11[...]

Disassembly and Reassembly No Parts Procedure Remark 3) If the Cabinet-T op Motor is assembled on the side of the set, the procedure of disassembling the Filter is just as the above. 2 Blower & Motor 1) After disassembling 13 indicating screws, detach Ass’y Cabinet-T op Motor . 2) After disassembling 3 indicating screws, detach Ass’y Case B[...]

Disassembly and Reassembly No Parts Procedure Remark 3) After disassembling 2 indicating screws, detach the Cover Control. 4) Detach the Motor Wire Connected to PCB and Capacitor . 5) After disassembling the indicating screws, detach the wire connected to the Partition. 6) After disassembling 2 indicating screws, detach the Ass’y Band Motor . Sam[...]

Disassembly and Reassembly No Parts Procedure Remark 7) After disassembling the Motor and Blowers, detach the Blowers from the axis of the Motor by 3mm inner hexagon spanner . 3 Drain Pan 1) After disassembling 15 indicating screws, detach Ass’y Cabinet-T op Evap. 2) After disassembling 6 indicating screws, detach the Bracket Outlet. 3) Detach th[...]

Disassembly and Reassembly No Parts Procedure Remark 4 Evaporator  After finished the procedures above, detach the Evaporator . 1) After disassembling 2 indicating screws, detach Ass'y Cover Pipe. 2) Detach the Sensor from the Control Box.(including 2 Sensors) 3) After disassembling 2 indicating screws, detach Ass'y Support Evap LF . 4[...]

Disassembly and Reassembly No Parts Procedure Remark 5) Detach the Evaporator from the set. 5 Control In  Detach the parts of Control In after disassembling the Cover Control. 1) Detach all the wires connected to the PCB. 2) If only the disassembly of PCB required, press the Pothook and detach the PCB from the set. 3) If only the disassembly of [...]

Disassembly and Reassembly No Parts Procedure Remark 5) Detach the T ransformer after disassembling 2 indicating screws.  Work is possible after disassembling the Case PCB. 6 Ass'y Bracket Outlet 1) After disassembling 16 indicating screws, detach Ass'y Bracket Outlet. Samsung Electronics 4-17[...]

4-2 Outdoor Unit 4-2-1 MH050FXCA2A No Parts Procedure Remark 1 Common Work & Control Out 1) Loosen the fixing screw and detach the Cover-Control. (Use +Screw Driver .) 2) Detach the Cable-Connector Wire from the T erminal-Block. 3) Loosen the fixing screw of the Ass'y Control Out. (Use +Screw Driver .) 4) Loosen 8 fixing screws and detach [...]

Disassembly and Reassembly No Parts Procedure Remark 8) Detach the T erminal and detach the Compressor Lead Wire. 2 Fan & Motor 1) Loosen the fixing nut and detach the Fan. (Use +Screw Driver .) 2) Loosen 4 fixing bolts and detach the Motor . (Use +Screw Driver .) 3) Loosen 4 fixing bolts and detach the Bracket Motor . (Use +Screw Driver .) Sam[...]

Disassembly and Reassembly No Parts Procedure Remark 3 Heat Exchanger & Compressor 1) Release the refrigerant at first. 2) Disassemble the Inlet and Outlet Pipe by welding. 3) Loosen the fixing screws of the Heat Exchanger . (Use +Screw Driver .) 4) Detach the Heat Exchanger . 5) Loosen 3 nuts of the Compressor . (Use Monkey Spanner .) 6) Detac[...]

Disassembly and Reassembly 4-2-2 MH080FXCA4A No Parts Procedure Remark 1 Common Work & Control Out 1) Loosen 7 fixing screws and detach the Cabinet side RH. (Use +Screw Driver .) 2) Detach the Cable-Connector Wire from the T erminal-Block. 3) Loosen 2 fixing screws of the Ass'y Control Out. (Use +Screw Driver .) 4) Loosen 6 fixing screws a[...]

Disassembly and Reassembly No Parts Procedure Remark 6) Loosen 2 fixing screw and pull up the Control Box. (Use +Screw Driver .) 7) Pull the felt and detach it. 8) Detach the T erminal Cover and detach the comp lead wire. Samsung Electronics 4-22[...]

Disassembly and Reassembly No Parts Procedure Remark 2 Fan & Motor 1) Loosen the fixing nut and detach the Fan. (Use Monkey Spanner .) 2) Loosen 4 fixing bolts and detach the Motor . (Use +Screw Driver .) 3) Loosen 4 fixing bolts and detach the Bracket Motor . (Use +Screw Driver .) 3 Heat Exchanger & Compressor 1) Release the refrigerant at[...]

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([SORGHG9LHZV DQG3DUWV /LVW 2CTVU .KUV 0Q %QFG0Q &GUETKRVKQP 5RGEKHKECVKQP 36; 5#  50# /*(0%# /*(0%#                        [...]

Exploded Views and Parts List 5-1-2 MH0 52 FNCA 6 7 1 1-2 14 1-1 15 10 12 2 16 11 13 4 9 2-1 2-2 2-3 3-8 5 5-1 3-6 3-4 5-4 3 3-1 3-7 3-2 5-2 5-3 3-5 3-3 8 5-2 5- 5- 3 Samsung Electronics[...]

    &YQMPEFE7JFXTBOE1BSUT-JTU 2CTVU .KUV 0Q %QFG0Q &GUETKRVKQP 5RGEKHKECVKQP 36; 5#  50#                           ?[...]

Exploded Views and Parts List 5-1-3 MH026FECA/MH035FECA 20 19 21 23 8 13 9 12 14 2 16 18 17 1 6 15 11 24 25 4 5 22 10 3 8 7 23-4 23-7 23-5 23-6 23-3 23-8 23-1 23-2 Samsung Electronics 5-5[...]

Exploded Views and Parts List  Parts List 0Q %QFG0Q &GUETKRVKQP 5RGEKHKECVKQP 36; 5#50#                                 ?[...]

Exploded Views and Parts List 5-1-4 MH052FECA 28 27 8 2 26 22 21 1 20 25 23 18 24 19 17 16 3 33 4 11 5 31 8 12 13 14 32 30 15 10 9 6 29 30-1 30-6 30-2 34 30-3 7 30-4 30-5 35 5-7 Samsung Electronics[...]

Exploded Views and Parts List  Parts List 0Q %QFG0Q &GUETKRVKQP 5RGEKHKECVKQP 36; 5#50#                                     [...]

5-2 Outdoor Unit 5-2-1 MH050FXCA2A  8          7    11 17 5 6 12 4 3  2 15   1 9 19 18 10 1-1 5-9 Samsung Electronics[...]

Exploded Views and Parts List 2CTVU .KUV 0Q %QFG0Q &GUETKRVKQP 5RGEKHKECVKQP 36; 5#  50# /*(:%##                            [...]

Exploded Views and Parts List 5-2-2 MH080FXCA4A        11    8   7 17 12 56 10 20 4 13 15 2 13-1 9 3 1 14 19 1-1 18 5-11 Samsung Electronics[...]

Exploded Views and Parts List  Parts List 0Q %QFG0Q &GUETKRVKQP 5RGEKHKECVKQP 36; 5#  50# /*(:'#$                            [...]

6. Wiring Diagram 6-1 Indoor Unit  MH  FNCA This Document can not be used without Samsung's authorization. Samsung Electronics 6-1[...]

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6-2 Outdoor Unit  MH050FXCA2A This Document can not be used without Samsung's authorization. 6-3 Samsung Electronics[...]

Wiring Diagram  MH080FXCA4A This Document can not be used without Samsung's authorization. Samsung Electronics 6-4[...]

7. Schematic Diagram 7-1 Indoor Unit  MH  FNCA This Document can not be used without Samsung's authorization. 7-1 Samsung Electronics[...]

Schematic Diagram  MH  FECA This Document can not be used without Samsung's authorization. Samsung Electronics 7-2[...]

8. PCB Diagram 8-1 MAIN PCB(Indoor Unit)  MH  FNCA The red number connecter is not used. ! Power & T emperature Sensor @ Motor RPM Feedback * Auto Grill # Remocon Module ( HVPS(High voltage Generator) $ Humidity Sensor ) BLADE-H Step Motor % Anions 1 Display ^ MPI 2 Indoor Fan Motor Samsung Electronics 8-1 8-1[...]

02- Ġ&J@KKN 2JEPĠ?KJP  MH  FNCA The red number connecter is not used. ! @ ! External Signal @ MAIN PCB Connection Samsung Electronics 8-2[...]

PCB Diagram  MH  FECA ) 1 2 3 5 8 9 7 6 ! @ 4 ( # $ % ^ & * 0 “ ‘ + = Q ! Float Switch 3 COM 2 @ Room T emperature 4 Load Control Signal EV A in T emperature 5 Heater # EV A out T emperature 6 Address Switch $ Heater T emperature 7 Option Switch % Wired Remote Controller Power(12V) 8 Fan (T ap Control) ^ Control Signal 9 V entil[...]

 *&+ - Ġ,QP@KKN 2JEP *%#5 *%#5  6JGTGF PWODGT EQPPGEVGTKU PQVWUGF    2QYGT0  %10&1.2 6 GORGTCVWTG 5GPUQT  2QYGT.  &+5176 6 GORGTCVWTG 5GPUQT  $.&%( #0  ''8 %QPPGEVQT  #%(#0  %QOR?[...]

9. T roubleshooting 9-1 Items to be checked first 1. The input voltage should be rating voltage ± 10% range. The air conditioner may not operate properly if the voltage is out of this range. 2. Is the link cable linking the indoor unit and the outdoor unit linked properly? The indoor unit and the outdoor unit shall be linked by 4 wires. 2 wires ar[...]

1. 1. 1. 1. 1. 1. 1. 1. 1. 1. 1. 1. 2. 2.  2.  9-2 Checking and T esting operations T o complete the installation, perform the following checks and tests to ensure that the air conditioner is operating correctly . 1. Review all the following elements in the installation: • Installation site strength • Piping connection tightness not to le[...]

2. 2. • • • 2. T roubleshooting 2. Apply the power to the outdoor unit. Outdoor unit will try to communicate the number of indoor units specified by SW01 on outdoor display PCB. OK : This number is displayed only while communicating, so each number is displayed for a short time in order . Nothing is displayed on the LED. Check the power sourc[...]

2. - 2. - 2. -      •  •  •  •  •  T roubleshooting  Expected time of 4 indoor units installation. • [DIS02 ] shows the indoor unit under searching • It could take more time depending on the indoor and outdoor temperature. • After completeing pipe check operation,it shows “ “ on the display PCB. [...]

T roubleshooting  In case of MANUAL ADDRESSING mode. Switch Setting and T esting Operation T o complete the installation, perform the following checks and tests to ensure that the air conditioner is operating correctly . Step 1 Review all the following elements in the installation: • Installation site strength • Piping connection tightness t[...]

T roubleshooting Switch Setting and T esting Operation (cont.) TYPE PICTURE MODEL TO SET ADDRESSING MANUALL Y BY ROT ARY SWITCH “SW02 ” RAC MH026FNCA MH035FNCA MH052FNCA SLIM DUCT MH026FECA MH035FECA MH052FECA Samsung Electronics 9-6[...]

T roubleshooting Switch Setting and T esting Operation (cont.) ROT ARY SWITCH “SW02 ” POSITION ACCORDING TO REFRIGERANT CIRCUIT CONNECTED (0=A;1=B;2=C;3=D ) INST ALLA TION TEST MODE (with all indoor units functioning) Please do cool mode try-run or heat mode try run. Cool mode try-run :Push the [K2 ] button three times. Heat mode try-run :Push [...]

E163 : T roubleshooting  If Error code is displayed on indoor or outdoor LED, check as follows; - Manaul address setting Contents Q1 Turn on the system. But outdoor units PCB displayed E201 or E101 Error code. Check point Remarks Step 1 Check to Number of indoor unit’s SW01. Outdoor PCB SW01 Step 2 Check to power cable to indoor units. Check t[...]

T roubleshooting Contents Q1 Indoor units address SW setting correct, but outdoor unit’s PCB displayed E201 Error Code. Check point Remarks Analysis Indoor unit’s sub PCB address SW or sub PCB is connected by mistake. Step 1 Check to indoor unit’s sub PCB wire connecting condition.(misconnecting or Sub PCB is out of order) Indoor Sub PCB Step[...]

T roubleshooting - Operation case Contents Q1 While using cooling or heating, indoor units display E161 Error code Check point Remarks Analysis This problem is caused by user ’s fault. User ’ s simultaneously operate 2 more indoor units in the same time cooling and heating mode. Guidance FJM is operate by just cooling or heating mode only . (On[...]

T roubleshooting Contents Q5 When system start in cooling mode, System don’t operate and display E441 Error code Check point Remarks Analysis FJM PLUS is able to operate by -10˚C But we admit that minimum Cooling temperature is by -5˚C Please, Remember cooling operation range. Contents Q6 While using heating, outdoor unit turn off and display E[...]

9-3 Fault Diagnosis by Symptom 9-3-1 Basic Check Flow Preparation : multimeter (AC voltage, DC voltage, Resistance) Short check for safety Check point No Good • Outdoor unit controller (see 12-3-2) OK : 207-253V Detach cable cover of the terminal blocks (HANDLE CABI RH) on outdoor unit. Check resistance value between L and N of Main power termina[...]

T roubleshooting Basic Check Flow(cont.) Preparation : multimeter (AC voltage, DC voltage, Resistance) • Cable wiring between indoor and outdoor • Communication wire socket check on outdoor unit controller PCB • Cycle check • Pipe matching Each indoor unit operation mode Consult LED pattern on wiring diagram on outdoor controller No No No N[...]

T roubleshooting 9-3-2 Checking Outdoor Controller 1. Making sure the wire connections. 2. Checking AC line 1) Checking FUSE 2) Checking resistance between 'L wire (SKY BLU)' and 'BD01 Neutral' normal value : 190 - 210 Ω Live If value is ∞ then check R001. Neutral 3) Checking resistance between 'N wire (BRN)' and &a[...]

6. T roubleshooting 4. Checking Display PCB LED if Error code is displayed. See error code table if displayed. 5. Checking DC voltage on each point Item Measuring point Normal value DC LINK Q803 E(-)~D101 Cathode (+) about 1.4 times as much as Power AC V oltage ex) AC220V  305~310Vdc inverter 15V C803 voltage 14.5V~15.5V Main control 12V CN59 pi[...]

T roubleshooting 9-3-3 Checking Indoor controller 9-3-4 Checking Power cable and Communication cable See 12-2 "Checking and T esting operations" and installation manual. 9-3-5 Checking T emperature sensor See 12-5 "Fault Diagnosis of Major Parts". In case of a sensor in outdoor unit, temperature can be monitored with "VIEW [...]

T roubleshooting  DA?GEJC""3 5GG (CWNV &KCIPQUKUQH /CLQT2CTVU %WTTGPV ''8UVGR XCNWGECP OQPKVQTGFYKVJ 8+'9/1&' 2TGUU -MG[ QPVJG QWVFQQTFKURNC[ 2%$HQT UGXGTCN VKOGVQ EJCPIGVJG FKU[...]

12-4-2 9-4 PCB Inspection 9-4-1 Cautions for Part Replacement 1. The human body carries much static electricity . Before touching a part for repair , replacement or the similar purpose, be sure to touch a grounded metal- lic portion by hand to let the static electricity go through the metallic portion to the earth. Especially when handling any micr[...]

10. Reference for Installation 10-1 Selecting Area for Installation Select an area for installation that is suitable to customer ’ s needs. 10-1-1 Indoor Unit 1. Make sure that you install the indoor unit in an area providing good ventilation. It must not be blocked by an obstacle affecting the airflow near the air inlet and the air outlet. 2. Ma[...]

Reference for Installation 10-1-2 Outdoor Unit 1. Make sure that you install the outdoor unit in area not exposed to the rain or direct sun light.(Install a separate sunblind if exposed to direct sun light.) 2. Make sure that you install the outdoor unit in area allowing the good air moment, not amplifying noise or vibration, especia lly to avoid d[...]

10-2 Connecting Up and Purging the Circuit • The air in the indoor unit and in the pipe must be purged. If air remains in the refrigeration pipes, it will af fect the compressor , reduce to cooling capacity and could lead to a malfunction. Refrigerant for air purging is not charged in the outdoor unit. Use V acuum Pump as shown at the right figur[...]

Reference for Installation  MH080F X CA4A 1 Check the piping connections. 2 Connect the charging hose of low pressure side of manifold gauge to the packed valve having a service port (5/8” Packed valve)as shown at the figure (V alue stem:1/2”-20UNF). W ARNING: Make the electrical connection and leave the system into “stand by A mode”. Do[...]

10-3 Refrigerant Refill 10-3-1 MH050FXCA2A Refill an air conditioner with refrigerant when refrigerant has been leaked at installing or using. 1) Purge air(for new installation only). 3) Connect the tank to refill with refrigerant. 4) Set the unit to cool operation mode. 7) Stop operation of the air conditioner . 9) Close the cap of each valve. 2) [...]

Reference for Installation 10-3-2 MH080FXCA4A Refill an air conditioner with refrigerant when refrigerant has been leaked at installing or using. 1) Purge air(for new installation only). 3) Connect the tank to refill with refrigerant. 4) Set the unit to cool operation mode. 7) Stop operation of the air conditioner . 9) Close the cap of each valve. [...]

 /ABNECAN=JP@FQOPIAJP *% 5 #5 C  A *% 8 #5 C  4A %NCUU #VKPUVCNNCVKQP #V UGTXKEG %QPPGEVKQP 2KRG.GPIVJ #KT2WTIG /GVJQF 4GHTKIGTCPV #FLWUVOGPV #KT2WTIG /GVJQF 4GHTKIGTCPV 3WCPVKV[ 5VCPFCTF 616 #. b O /*(:%## 4GHGTVQ VJG FGVCKNGF%QPPGEVKPI WR CPFR[...]

10-5 Flare Nut Fixing T orque Outer diameter T T orque (kg . cm) cm) orque(kg . Fixing T orque Final T orque ø 1/4 inch (Liquid Side) 160 200 ø 3/8 inch (Gas Side) 300 350 ø 1/2 inch (Gas Side) 500 550 Samsung Electronics 10-8[...]

10-6 "Pump down" Procedure 10-6-1 MH050FXCA2A Pump down will be carried out when an evaporator is replaced or when the unit is relocated in another area. 1) Remove the caps from the 2 way valve and the 3 way valve. 3) Set the unit to cool operation mode. (Check if the compressor is operating.) 4) T urn the 2 way valve clockwise to close. [...]

Reference for Installation 10-6-2 MH080FXCA4A Pump down will be carried out when an evaporator is replaced or when the unit is relocated in another area. 5/8" Service V alve 3/8" Service V alve 1) Remove the caps from the 3/8" service valve and the 5/8" service valve. 3) Set the unit to cool operation mode. (Check if the compres[...]

11. Reference Information 11-1 Index for Model Name FREE JOINT MUL TI FOR EUROPE 052 M H F P E A 4 A / O O O Rating voltage A 1 15V , 60Hz B 220V , 60Hz C 208~230V , 60Hz D 200~220V , 50Hz E 220~240V , 50Hz M 127V , 50Hz Refrigerant Z R22 C R407C A R410A Combination Quantity _,12.. Indoor 1,2.. Outdoor FJM V ersion _,12.. Indoor _,A,B.. Outdoor Ind[...]

Index for Model Name (cont.) FREE JOINT MUL TI FOR EUROPE M H 1 8 V V 1 X - 07 / O O O Indoor T ype P G - P W H B V Vivave R Moderato Capa *K BTU RAC Product T ype M Multi Mode C C/O H H/P Buyer code Refrigerant V R410A Inverter Z R22 C R407C Serial V ersion 1 Basic 2 MR(02R~) Semi Product _ Indoor X Outdoor Indoor Capacity - CAP Indoor(K BTU) _ Ou[...]

11-2 Refrigerating Cycle Diagram  MH050FXCA2A Samsung Electronics 11-3[...]

Reference Information  MH080FXCA4A Samsung Electronics 11-4[...]

11-3 Pressure & Capacity mark  Power/Heat W cal/s kcal/h Btu/h HP kg . m/s ib . m/s 1 0.23885 0.85985 3.4121 0.001341 0.10197 0.73756 4.1868 1 3.6 14.286 0.0056146 0.42693 3.088 1.163 0.27778 1 3.9683 0.0015596 0.1 1859 0.85778 0.29307 0.06999 0.252 1 3.9302x10 -4 0.029885 0.21616 745.7 178.1 1 641.19 2,544.4 1 76.04 550 9.8067 2.3423 8.4322[...]

11-5 Q & A for Non-trouble Classification Class Description Q The cooling is weak. A When it is hot outside, its cooling capacity decreases due to the increase of the ambient temperature. When the dust filter gets blocked or warm outside air gets in, the cooling capacity will decrease. So, make sure to clean the dust filter frequently , prevent[...]

Q & A for Non-trouble (cont.) Classification Class Description component handling place; when its chemical or musty smells are sucked in and sent out, it can be misled that the air conditioner generates them. So, find and root out the problem or refresh the room frequently . Q Whenever the air conditioner is turned on, it stinks. A There are no[...]

Q & A for Non-trouble (cont.) Classification Class Description Q The remote controller won't operate. Operation A When the batteries run out or the transmitter or receiver of the remote controller is blocked by obsta- cles, change the batteries or keep the obstacles away from the controlling area. Also, the remote con- troller may not work[...]

11-6 Common sense of refrigeration 11-6-1 Air supplier  Air supplier? It supplies fresh air to the building or room through procedure of air circulation for fresh environment.  Effectiveness of air supplier It diminishes the stress or fatigue and enhances vivid desire through fresh air circulation. Also, filthy air indoor is being cleaned by [...]

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