Page 2 - Contents; Product Specifications
Contents 1. Precautions .......................................................................................................................................... 1-1 1-1 Installing the air conditioner .....................................................................................................
Page 3 - Reference for Installation
Contents 9. Troubleshooting .............................................................................................................................. 9-1 9-1 Items to be checked first ..................................................................................................................
Page 4 - Samsung Electronics
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 ...
Page 5 - -4 Disposing of the unit; Max current is measured according to IEC standard for safety.
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 c...
Page 6 - Product Specifications; -1 The Feature of Product
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 numb...
Page 7 - -2 Product Specifications
2-2 Product Specifications Model MH026FNCA MH035FNCA Item INDOOR UNIT Type Wall-mounted Wall-mounted Cooling 9,000 12,000 Perfor- Heating Btu/hr 10,000 13,000 Dehumidifying | /h - - Air Volume 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 1,20...
Page 11 - -3 Accessory and Option Specifications; MH
Samsung Electronics 2-6 2-3 Accessory and Option Specifications 2-3-1 Indoor Unit Accessories ■ MH ✳✳✳ FNCA +VGO &GUETKRVKQPU 3 6; %QFG0Q 4GOCTM +PFQQT 7PKV 4GOQVG%QPVTQN 7UGT/CPWCN &$# +PUVCNNCVKQP/CPWCN &$# &$$ /*(0%#/*(0%# &$# /*(0%# &$ 3 6JGFGUKIPCPFUJCRGECPDGEJCPIGFCEEQT...
Page 12 - Item; Rubber
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 ...
Page 17 - The error indicated on the LED display of Indoor unit; Concealed Type
Alignment and Adjustments ■ MH ✳✳✳ FECA The error indicated on the LED display of Indoor unit Abnormal conditions Indicators Operating Concealed Type Blue Red Standard Type Power reset Error of temperature sensor in indoor unit(OPEN/SHORT) Displayed on appropriate indoor unit which is operating Erro...
Page 19 - Display
Alignment and Adjustments 3-1-2 Outdoor Unit Display EXPLANATION (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)...
Page 21 - -2 Setting Option Setup Method; Step 1; Take out the batteries of remote control.; Press the temperature; Make sure the remocon display shown as; Step 2; Feature
3-2 Setting Option Setup Method ex) Option No. : Step 1 : Enter the Option Setup mode. 1 st Take 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 ...
Page 23 - • Error Mode
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 ...
Page 25 - Table of the option code; MODEL; 'ZVGTPCN5VCVKE2TGUUWTG
Alignment and Adjustments ■ Table of the option code MODEL OPTION CODE MH026FNCA 027402-14221A-200001-300000 MH035FNCA 027402-16224d-200001-300000 MH052FNCA 026402-19228F-200001-300000 'ZVGTPCN5VCVKE2TGUUWTG OO#S 5VCPFCTF /*('%# & ( ) /*('%# ) &( /*('%# 1& 2 ' 1( OO#SKUVJGDCUKEOQFGNQHVJK...
Page 26 - Disassembly and Reassembly; Necessary Tools; MONKEY SPANNER
4. Disassembly and Reassembly ■ Necessary Tools Item Remark +SCREW DRIVER MONKEY SPANNER Samsung Electronics 4-1
Page 28 - No
Disassembly and Reassembly No Parts Procedure Remark 6) Unlock 3 hooks to fix Panel Front and Tray Drain. 7) Unlock 3 hooks to fix Panel Front and Back-Body. 2 Control-In (Main PCB) 1) Take all the connector of PCB upper side out. (Inclusion Power Cord) 2) Detach the outdoor unit connection wirefrom...
Page 29 - Heat Exchanger
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 ...
Page 30 - Motor
Disassembly and Reassembly 4-1-2 MH026FECA/MH035FECA No Parts Procedure Remark 1 Motor & Blower 1) Disassemble the Cabinet Top 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 th...
Page 31 - ) Disassemble Motor Wires connected to
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) A...
Page 32 - Drain Pan
Disassembly and Reassembly No Parts Procedure Remark 2 Drain Pan 1) Disassemble the Cabinet Top Evap. - Unscrew 11 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 Electro...
Page 33 - Evaporator
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 refriger...
Page 35 - ) In case of disassembling the Trans
Disassembly and Reassembly No Parts Procedure Remark 5) In case of disassembling the Trans 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 Ele...
Page 36 - CA; Filter
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
Page 39 - ) After disassembling the Motor and
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-Top Evap. 2) After disassembling 6 indicating s...
Page 41 - Control In
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 ...
Page 42 - ) Detach the Transformer after
Disassembly and Reassembly No Parts Procedure Remark 5) Detach the Transformer 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
Page 46 - Common Work
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 Terminal-Block. 3) Loosen 2 fixing screws of the Ass'y Control Out. (Use +...
Page 47 - ) Loosen 2 fixing screw and pull up the
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 Terminal Cover and detach the comp lead wire. Samsung Electronics 4-22
Page 50 - RGEKHKECVKQP
([SORGHG9LHZVDQG3DUWV/LVW 2CTVU.KUV 0Q %QFG0Q &GUETKRVKQP 5RGEKHKECVKQP 3 6; 5# 50# /*(0%# /*(0%# &$, &$* &$& &$# &$# &$$ &$# &$# &$# &$# &$# &$ $ &$# &$) &$, &$# &$% &$# &$# &$# &$# &$# &$$ &$$ &...
Page 51 - FNCA
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
Page 54 - Parts List
Exploded Views and Parts List ■ Parts List 0Q %QFG0Q &GUETKRVKQP 5RGEKHKECVKQP 3 6; 5#50# &$# &$# &$# &$# &$# &$# &$ ' &$# &$# &$# &$ # &$# &$# &$# &$# &$# &$# &$ $ &$# &$# &$# &$ % &$ ' &$ % &$ %...
Page 61 - This Document can not be used without Samsung's authorization.
6. Wiring Diagram 6-1 Indoor Unit ■ MH ✳✳✳ FNCA This Document can not be used without Samsung's authorization. Samsung Electronics 6-1
Page 65 - Schematic Diagram
7. Schematic Diagram 7-1 Indoor Unit ■ MH ✳✳✳ FNCA This Document can not be used without Samsung's authorization. 7-1 Samsung Electronics
Page 67 - Power
8. PCB Diagram 8-1 MAIN PCB(Indoor Unit) ■ MH ✳✳✳ FNCA The red number connecter is not used. ! Power & Temperature 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 E...
Page 68 - External Signal
02- Ġ&J@KKN2JEPĠ?KJP ■ MH ✳✳✳ FNCA The red number connecter is not used. ! @ ! External Signal @ MAIN PCB Connection Samsung Electronics 8-2
Page 70 - GORGTCVWTG5GPUQT
*&+ - Ġ,QP@KKN2JEP *%#5 *%#5 6JGTGFPWODGTEQPPGEVGTKUPQVWUGF 2QYGT0 %10&1.2 6GORGTCVWTG5GPUQT 2QYGT. &+5176 6GORGTCVWTG5GPUQT $.&%(#0 ''8%QPPGEVQT #%(#0 %QOR%QPPGEVQT9KTG %QOOWPKECVKQP 4GCEVQT%QPPGEVQT9KTG 5COUWPI'NGEVTQPKEU
Page 71 - -1 Items to be checked first; The indoor unit and the outdoor unit shall be linked by 4 wires.
9. Troubleshooting 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 outd...
Page 72 - -2 Checking and Testing operations; Settings of PCB Display of the Outdoor unit
9-2 Checking and Testing operations To 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 leak any gas...
Page 73 - specified; Pipe Checking Operation (Auto Addressing Mode)
Troubleshooting 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...
Page 74 - Step 3; Mode
Troubleshooting ✳ 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. • The left display DIS01 will show seq...
Page 76 - TYPE
Troubleshooting Switch Setting and Testing Operation (cont.) TYPE PICTURE MODEL TO SET ADDRESSING MANUALLY BY ROTARY SWITCH “SW02 ” RAC MH026FNCA MH035FNCA MH052FNCA SLIM DUCT MH026FECA MH035FECA MH052FECA Samsung Electronics 9-6
Page 77 - ROTARY SWITCH “SW02 ” POSITION ACCORDING TO REFRIGERANT CIRCUIT; INSTALLATION TEST MODE (with all indoor units functioning); Please do cool mode try-run or heat mode try run.
Troubleshooting Switch Setting and Testing Operation (cont.) ROTARY SWITCH “SW02 ” POSITION ACCORDING TO REFRIGERANT CIRCUIT CONNECTED (0=A;1=B;2=C;3=D ) INSTALLATION 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 ] but...
Page 78 - - Manaul address setting
Troubleshooting ● 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 t...
Page 79 - - Auto address setting; - Address setting another case
Troubleshooting 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 S...
Page 82 - -3 Fault Diagnosis by Symptom; Preparation
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 resist...
Page 84 - Checking AC line; If value is; : Blinking 4 times a second
Troubleshooting 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 wi...
Page 85 - Checking Display PCB LED if Error code is displayed.
Troubleshooting 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 Voltage ex) AC220V → 305~310Vdc inverter 15V C803 v...
Page 86 - -3-4 Checking Power cable and Communication cable; Left 1 digit of the LED is data index and Right 2 digits are the value.
Troubleshooting 9-3-3 Checking Indoor controller 9-3-4 Checking Power cable and Communication cable See 12-2 "Checking and Testing operations" and installation manual. 9-3-5 Checking Temperature sensor See 12-5 "Fault Diagnosis of Major Parts". In case of a sensor in outdoor unit, te...
Page 87 - Index; %JGEMKPICPF6GUVKPIQRGTCVKQPU
Troubleshooting DA?GEJC""3 5GG(CWNV&KCIPQUKUQH/CLQT2CTVU %WTTGPV''8UVGRXCNWGECPOQPKVQTGFYKVJ8+'9/1&' 2TGUU-MG[QPVJGQWVFQQTFKURNC[2%$HQTUGXGTCNVKOGVQEJCPIGVJGFKURNC[VQEWTTGPV''8XCNWG .GHVFKIKVQHVJG.'&KUFCVCKPFGZCPF4KIJVFKIKVUKUVJGXCNWG Index Value Remark 3 EEV-A step The step valu...
Page 89 - Reference for Installation; 0-1 Selecting Area for Installation; drainage for condensed water.
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 airflo...
Page 90 - figure on the next page.
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 amp...
Page 91 - 0-2 Connecting Up and Purging the Circuit
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 affect the compressor, reduce to cooling capacity and could lead to a malfunction. Refrigerant for air purging is not charged in the outdoor unit...
Page 93 - 0-3 Refrigerant Refill
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...
Page 96 - 0-5 Flare Nut Fixing Torque
10-5 Flare Nut Fixing Torque Outer diameter T Torque (kg.cm) cm) orque(kg . Fixing Torque Final Torque 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
Page 97 - Relocation of the air conditioner
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...
Page 99 - Reference Information; 1-1 Index for Model Name; FREE JOINT MULTI FOR EUROPE
11. Reference Information 11-1 Index for Model Name FREE JOINT MULTI FOR EUROPE 052 M H F P E A 4 A / O O O Rating voltage A 115V, 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 ...
Page 101 - 1-2 Refrigerating Cycle Diagram
11-2 Refrigerating Cycle Diagram ■ MH050FXCA2A Samsung Electronics 11-3
Page 107 - 1-6 Common sense of refrigeration; Effectiveness of air supplier; Four factors of air suppliers
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...
Page 108 - ELECTRONICS; Area; This Service Manual is a property of Samsung Electronics Co., Ltd.
ELECTRONICS GSPN(Global Service Partner Network) Area Web Site North America http://service.samsungportal.com Latin America http://latin.samsungportal.com CIS http://cis.samsungportal.com Europe http://europe.samsungportal.com China http://china.samsungportal.com Asia http://asia.samsungportal.com M...
