Samsung MWR-WH00 Service Manual Download Page 23

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7. Schematic Diagram

Samsung Electronics

7-1

Power Circuit Part (DC12V)

485 Communication Part

Switch Part

Reset IC Part

Temperature Sensor Part

LCD Part

FRAM Part

This Document can not be used without Samsung’s authorization.

MWR-WH00_31329A(1)_1.indd 1-2

2009-12-01 ｿﾀﾈﾄ 5:06:41

Summary of Contents for MWR-WH00

Page 1: ...ubleshooting 5 ExplodedViews and Parts List 6 PCB Diagram 7 Schematic Diagram Refer to the service manual in the GSPN see the rear cover for the more information WIREDREMOTECONTROLLER CONTENTS WIRED REMOTE CONTROLLER Basic MWR WS00 Model MWR WH00 Model code MWR WH00 MWR WH00 ...

Page 2: ... 4 Installation 2 8 2 4 1 Installing the Power Cables inside of Indoor Unit 2 8 2 4 2 Installing the Wired Remote Controller 2 9 2 5 Accessory and Option Specifications 2 10 2 5 1 Accessories 2 10 3 Disassembly and Reassembly 3 1 4 Troubleshooting 4 1 4 1 What to Check before Diagnosis 4 1 4 1 1 Wired Remote Controller Error Display 4 1 4 1 2 Wired Remote Controller Error List 4 2 4 2 How to Take ...

Page 3: ...and short Check the assembly status of parts after repairing the break down It should be same as the status before repairing Do not pull any electric wires and do not touch an auxiliary power switch with a wet hand There is a danger of electric shock or fire In case any wire or power plug has been damaged replace it to eliminate any possible danger Do not bend the power cord by force and do not pu...

Page 4: ...pplied 2 Application S W Basic Control On time Oﬀ time control Error Display User setting function Service mode 3 Commercialization materials Box Label Manual Maximum 2 wired remote controller can control as a group Master Slave The wired remote controller can control maximum 16 indoor units as a group Masterwiredremotecontroller Slavewiredremotecontroller 2 1 The Feature of Product 2 Product Spec...

Page 5: ... components improvement 3 Cover hinge improvement Ass y PCB 1 MCU changed MB90F423 Fujitsu S3F4A1H Samsung 2 485 communication Relay added Wrong wiring protection 3 MCU download port added 4 JIG POINT added ICT JIG improvement 5 Button Diode added Integrated key function improvement Etc 1 LCD changed 2 Button Inlay development 2 1 2 Changes in Comparison to Basic Model ...

Page 6: ...ton LCD CASE Exterior structure Software structure Power communication connector PBA structure 122 120 50 23 Unit mm 2 2 The Structure of Product Dimensional Drawing Exterior structure Protection relay against wrong wiring Micom download connector Main MICOM ...

Page 7: ... dew condensate Power 1 Input 12VDC 500mA Installation 2 Space requirements Installing on the wall using the bracket Delivery 1 Installer Qualified technician 2 Open Follow the instructions 3 Check delivery Check according to the CHECK SHEET Repair the inferior goods Follow the user s manual for using method using condition and precautions If a problem occurs you will be supported by the service c...

Page 8: ...r limit or lower limit of temperature Part locking of the button and buttons 5 Service mode speciﬁcation a Monitoring and setting the indoor unit option code b Monitoring the indoor unit s main or group address c Monitoring the indoor unit cycle data d Monitoring and setting the indoor temperature compensation for the wired remote controller e Monitoring the RPM compensation f Monitoring the EEV S...

Page 9: ...ndoor unit Hold down 3 sec Enter the User setting mode 7 Press Check the input Hold down Lock the buttons 8 Cancel the set on off timer 9 Select the operation mode Auto Cool Dry Fan Heat Auto 10 Operate the quiet mode 11 Turn on or off the air swing 12 Operate the sleep mode 13 When the is on Clean the filter and turn off the display pressing the filter reset button 14 Display current room tempera...

Page 10: ... P2 8 78 Master remote controller Slave remote controller SW4 P2 9 79 Temperature display C Temperature display F SW5 P2 10 80 Use the indoor unit temperature sensor for the indoor unit control Use the wired remote controller temperature sensor for the indoor unit control SW6 P2 11 81 Use the average of the indoor unit sensor and the wired remote controller sensor for the indoor unit control SW7 P...

Page 11: ...ue F3 F4 White Black Red Blue Blue 2P 2 5 pitch White 2P 2 5 pitch Indoor unit terminel block White 2P 2 5 pitch Blue 2P 2 5 pitch Indoor unit PCB AC Power supply Check the wire colors The wires are color coded Power cable for the indoor unit Communication cable for the indoor unit COM2 White Black Red Blue Blue 2P 2 5 pitch White 2P 2 5 pitch Indoor unit PCB White 2P 2 5 pitch Blue 2P 2 5 pitch W...

Page 12: ...door unit Connect the red and blue wires to the F3 and F2 4 Reassemble the wired remote controller When you reassemble the wired remote controller match the grooves on the left side front cover Before fixing the rear cover clear 30mm of space on the top and 60mm on the right side more than 60mm rear cover more than 30mm Connector type cable connection Using the provided indoor unit communication c...

Page 13: ...le tie DB65 10088B 2 Cable clamp DB65 10074E 4 M4X16 screw 6002 000474 5 Power cable for indoor unit DB39 00221A 1 Communication cable for indoor unit DB39 00933A 1 Wire joint DB39 90020A 4 User s manual DB98 31219A 1 Installation manual DB98 31218A 1 2 5 1 Accessories 2 5 Accessory and Option Specifications ...

Page 14: ... hold the front cover firmly and push the rear cover downward If you pull the rear cover to the front instead of pulling it to downward it can be damaged 2 Separate the power connector 3 Loosen three screws and separate the PBA 4 Separate the rubber button 3 Disassembly and Reassembly ...

Page 15: ...Disassembly and Reassembly 3 2 Samsung Electronics No Image Procedure 5 Separate the button 6 Separate the door ...

Page 16: ...it error occurs Main COM1 address A of the indoor outdoor unit where error occurred and error code are displayed in turns Ex 101 error occurred in 28 indoor unit When the wired remote controller error occurs Error code is displayed only Address will not be displayed Ex 601 error occurred in the wired remote controller LCD display 4 1 What to Check before Diagnosis 4 Troubleshooting Indoor unit ...

Page 17: ...remote controllers are installed together Communication Tracking Error Mater Slave wired remote controller communication error Error is detected only in Slave wired remote controller Wired remote controller indoor unit ERV communication error Temperature OPEN SHORT error FRAM READ WRITE error Mixed installation of Celsius C Fahrenheit F indoor unit error Error occurs when indoor units with Celsius...

Page 18: ... and power cable connected properly Check the connection of ASS Y PBA and power cable Change ASS Y PBA DB93 08787A Change ASS Y CONNECTOR wire DB93 04023D 4 2 1When the LCD Display Doesn t Show 4 2 How to Take Measures for Each Symptom Is the voltage of CN02 s both ends 1 2 12V ...

Page 19: ... DB93 08787A C302 higher than 200KΩ Is the resistance of between the top part of ASS Y PBA DB93 08787A C302 and GND higher than 100KΩ Is the resistance of between the bottom part of ASS Y PBA DB93 08787A C302 and GND higher than 100KΩ Check the indoor units communication which is connected to the wired remote controller Not the problem of the wired remote controller Check the connection of ASS Y P...

Page 20: ...ETOP ABS 2 0T W112 H120 Cream white 1 SNA 5 DB64 01526A KNOB BUTTON ABS 2 0T 20mm 90mm 1 SNA 6 DB73 00537A RUBBER BUTTON Silicon W109 91 H59 50 D5 3 White 1 SNA 7 DB93 08787A ASS Y PCB MAIN SOLUTION MWR WH00 Wired remote controller PBA 1 SA 8 DB63 02291A COVER CASE BOTTOM ABS T2 W120 L114 1 SA 9 DB93 04023D ASS Y CONNECTORWIRE wire Wired remote controller 1 SNA Code No Remark Name Specification Q ...

Page 21: ...arious service options of remote controller 6 7 8 9 10 485 Communication with the indoor unit 11 Diode Relay 5V Regulator MICOM Switch Temperature sensor connector Temperature sensor Program download connector for development Program download connector for service 485 Communication part Power and communication connector 6 PCB Diagram 7 8 9 11 1 2 3 4 5 6 10 ...

Page 22: ...MEMO Samsung Electronics 6 2 ...

Page 23: ...cs 7 1 Power Circuit Part DC12V 485 Communication Part Switch Part Reset IC Part Temperature Sensor Part LCD Part FRAM Part This Document can not be used without Samsung s authorization MWR WH00_31329A 1 _1 indd 1 2 2009 12 01 ｿﾀﾈﾄ 5 06 41 ...

Page 24: ...cs Co Ltd Dec 2009 Printed in Korea Code No DB98 31329A 1 This Service Manual is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable International and or domestic law ...

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