Table of Contents
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Summary of Contents for Samsung MCM-A300BN
- Page 1 Touch Centralized Controller 2.0 Model Code : MCM-A300BN MCM-A300BUN MCM-A300BCN MCM-A300BNDZ Touch Centralized Controller 2.0 INDEX 1. Precaution 2. Feature & Specifications 3. Disassembly & assembly 4. Troubleshooting 5. Parts layout...
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Page 2: Table Of Contents
INDEX 1. Precautions ............................1-1 1-1. Service Precautions ..........................1-1 1-2. Product Safety Precautions ......................1-1 2. Feature & Specifications ........................2-1 2-1. Feature ..............................2-1 2-1-1. Feature............................2-1 2-1-2. Changes compared to basic products................. 2-9 2-2. Structure of product ........................2-10 2-3. -
Page 3: Precautions
Precautions 1. Precautions 1-1. Service Precautions • When replacing electrical parts, be sure to use the rated parts. - Check the display of the model name, rated voltage, rated current, etc. of the electrical parts. • When repairing the fault, please repair the connection of HARNESS type firmly. - If the wiring is not good, abnormal noise or abnormal operation may occur. -
Page 4: Feature & Specifications
Feature & Specifications 2. Feature & Specifications 2-1. Feature 2-1-1. Feature ① Large Display 10.1” Large Display with Simple Design 245.7 164.5 ※ Display size (215.2 x 134 mm) ② Select Background Image Harmonized product with the Field ※ Cover screen (Include) ※... - Page 5 Feature & Specifications ③ Convenient usability Providing familiar usability by applying SmartThings UI Style 1. Simple control and setting • Check zone & device status on the home screen • Efficient management by providing graphs data such as status and air quality Schedule Check Status (Operating and Error)
- Page 6 Feature & Specifications ④ 2D Layout view Intuitively control the indoor unit operation status on the screen where the drawings are displayed. 1. Provide intuitive indoor unit navigation with 2D layout view 2. The indoor unit type is displayed as an icon 3.
- Page 7 Feature & Specifications ⑤ Remote Control (In-site) Improve control accessibility by using various devices (In-sites) 1. Remote control within a site using Ethernet communication 2. Conditions for using other devices • PC and Tablet environment with 10-inch display or higher (1280 * 800 resolution or higher) •...
- Page 8 Feature & Specifications ⑥ Monitoring Monitoring energy usage and air quality data 1. Energy Trend : Provides data by indoor unit and zone day / week / month / year (4 years) ※ This data is self-measured data and may differ from the wattmeter data. 2.
- Page 9 Feature & Specifications ⑦ Energy Control Adjust energy usage according to installation site and requirements ※ Energy Control ( To be updated ) ⑧ Motion Detection Sensor Energy saving functions by utilizing MDS Wind direction Direct or Indirect...
- Page 10 Feature & Specifications ⑨ Schedule Supports detailed schedule management by set temp and operation status for each zone 1. Set start and end dates and exception dates 2. Set by zone and indoor unit 3. Set temperature and mode...
- Page 11 Feature & Specifications ⑩ Error Alarm and History Management Error alarms and history can be searched, so quick response and accuracy of fault diagnosis are improved. 1. You can check for errors on the home screen screen 2. Error occurrence history can be checked by period (up to 1 year)
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Page 12: Changes Compared To Basic Products
Feature & Specifications 2-1-2. Changes compared to basic products Item Basic(MCM-A300N) New(MCM-A300B*N**) Changes New Case -CASE TOP Case -CASE BOTTOM -CASE REAR ASSY PCB New PBA ASSY CASE 7” LCD Display DISPLAY → 10.1” LCD Display - ASSY CASE Display isn’t configured Refer to ASSY CONTROL - S/W Code... -
Page 13: Structure Of Product
Feature & Specifications 2-2. Structure of product ■ External Dimensions (Unit : mm) 245.7 164.5 30.9 2-10... -
Page 14: Product Specification
Item Details Temperature range 0℃(32℉) ~ 39℃(102℉) Environment Humidity range 30~90% RH MCM-A300BN / MCM-A300BUN / Model Name MCM-A300BCN / MCM-A300BNDZ Size (WxHxD) 245.7 x 164.5 x 30.9 mm Max. number of units that can connect 128 indoor units Display 10.1-inch capacitive touch display (1280 x 800 pixels) -
Page 15: Functions Overview
Feature & Specifications 2-3-2. Functions overview ■ Device overview Front LCD (switches on when touched) Bottom communication port 1 communication port 2 Ethernet Reset Micro SD DC 12 V adapter DI1 DI2DO1DO2 port (RJ45) switch card slot NOTE • The Ethernet port is not available. (It will become available after the corresponding function is added through software update. - Page 16 Feature & Specifications ■ Functions ▶ Control and monitoring 1. Grouped control Use the Home screen to simultaneously control all indoor units, or use the zone screen to simultaneously control the indoor units included within a specific zone. Setting item Description Remarks All On...
- Page 17 Feature & Specifications • You can select and control a single indoor unit or multiple indoor units. • Turn on or off an indoor unit by selecting the [Power] button for the unit. • Select an indoor unit, and control the target temperature, operation mode and other settings. •...
- Page 18 Feature & Specifications Item Description Remarks Operation settings for indoor units that will be controlled according to the schedule • Indoor unit: Power, Setting temperature, Mode, Wind strength, Wind direction, Air flow, Remote control (Enable/Disable/Conditional) The operation feature is • IERV (ventilation system): ERV power, ERV mode, ERV Wind strength, only available for setting Actions Remote control (Enable/Disable/Conditional)
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Page 19: General Management
Feature & Specifications ▶ Lock Use this Lock feature when you want to limit access to a specific feature. • Screen lock type – Swipe: If the screen has switched off after a specified period of time and a user taps or swipes on the cover screen, the user is redirected to the previously used page. -
Page 20: Device Information
Feature & Specifications • Temperature display unit: Select Celsius or Fahrenheit as the unit in which temperature is displayed. • Temperature control unit: Select 1 or 0.5 as the amount by which the set temperature will be changed. If temperature is displayed in Fahrenheit, the temperature control amount is fixed to 1. -
Page 21: Installation
Feature & Specifications 2-4. Installation 2-4-1. System Diagram b.IoT Cloud S-NET 3 TCP/IP Touch Centralized DMS 2.5 Controller 2.0 OnOff Controller RS 485 Outdoor unit Touch Centralized Controller 2.0 A maximum of 128 indoor units (DVM series) 1. Checking the power connection 1) Tap on the LCD of the Touch Centralized Controller to turn on the LCD. -
Page 22: Installing The Touch Centralized Controller
Feature & Specifications 2-4-2. Installing the Touch Centralized Controller 1) Insert a flat-head screwdriver into each of the square grooves at the lower part of the Touch Centralized Controller, turn the screwdriver and then remove the back cover. ※ Push both latches at the same time. NOTE •... - Page 23 Feature & Specifications NOTE • The RS485 channel provides two ports. Connect cables to these ports as required, depending on the installation environment. If you assign many units to a single RS485 channel, the communication speed may decrease. If 64 units or more are installed, assign the units to different channels, to distribute the load.
- Page 24 Feature & Specifications ■ Tracking Tracking is a process of finding indoor/outdoor units connected to the Touch Centralized Controller. To control or monitor your system-air-conditioner units using the Touch Centralized Controller, you should complete the tracking process. Use the tracking feature only when the number of connected system-air-conditioner units or the unit model has been changed. 1) Connect the power supply, navigate to [Settings] >...
- Page 25 Feature & Specifications 3. DO ports • DO 1 operation details: DO output turns on if at least one indoor unit is turned on. DO output turns off if all indoor units are turned off. • DO 2 operation details: DO output turns on if at least one unit has an error. DO output turns off if there is no error in any of the units.
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Page 26: Disassembly & Assembly
Disassembly & assembly 3. Disassembly & assembly Picture Working method Slide the bottom two grooves inside the product using a straight driver to lift the CASE BOTTOM and separate it from the CASE REAR. When the CASE REAR is removed, you can see two large hooks at the bottom Hold the CASE BOTTOM and push each hook to separate the bottom of the CASE TOP and CASE BOTTOM. -
Page 27: Working Method
Disassembly & assembly Picture Working method Pull the hook on the left side of the PBA, disassemble the left side of the PBA. Remove the right side of the PBA from the instrument as well. Remove the cable from the LCD connector and TOUCH connector on the right side of the PBA. -
Page 28: Troubleshooting
Troubleshooting 4. Troubleshooting 4-1. Check point before requesting a service Symptom Measure The LCD appears blank. • Check the power connection, and reconnect it if necessary. • The LCD automatically switches off if it is left idle for a specified period of time. Tap on the LCD to switch it on. Touchscreen input does not work. -
Page 29: Error Diagnosis
Troubleshooting 4-2. Error Diagnosis 4-2-1. When LCD is not turned on Start Is the 12V power adapter Check 12V power adapter connection normal? connection status Is the voltage 12V power adapter between the two ends of replacement C113 12V? Is the voltage Replacement of Assy PCB due between the two ends of to 5V DCDC Converter problem... -
Page 30: When Touch Is Not Input
Troubleshooting 4-2-2. When Touch is not input Start Remove foreign matter from Is the screen surface screen surface clean? Is the 12V power Check 12V power adapter adapter connection connection status normal? Is the voltage 12V power adapter between the two ends of replacement C113 12V? Is the voltage... -
Page 31: When Tracking Is Not Complete
Troubleshooting 4-2-3. When tracking is not complete Start Is the 12V power adapter Check 12V power adapter connection normal? connection status Is the voltage 12V power adapter replacement between the two ends of C113 12V? Is the voltage Replacement of Assy PCB due between the two ends of to 5V DCDC Converter problem C118 5V? -
Page 32: When There Is No Commnunication
Troubleshooting 4-2-4. When there is no commnunication 1. Please check if the RS485 communication line is normally connected to the touch central controller. 2. Reboot the touch central controller with the RS485 communication line normally connected. - If there is an existing connected device, please check if device status monitoring and control are normal. - If there is no existing connected device, please track it again and check. -
Page 33: Parts Layout
Parts layout 5. Parts layout 5-1. Parts layout AP (S922X) LAN Connector EMMC MICOM Download (20p) DDR4 2EA Power Jack MICOM (Hart-M320) 485 Comm. / DI / DO Connector DCDC Block Reset Switch 485 Communication Block Micro SD Card Slot DI/DO Communication Block LCD Connector EEPROM... -
Page 34: Pba Parts
Parts layout 5-2. PBA Parts Touch Touch Connector Connector MICOM Download (20P) MICOM Download (20P) Connector Connector Connector Connector TOUCH TOUCH Connector Connector 485 Comm. / DI / DO Connector 485 Comm. / DI / DO Connector Micro SD Card Slot Micro SD Card Slot Connector Connector... - Page 35 China https://gspn4.samsung.com.cn https://gspn5.samsungcsportal.com Latin America https://gspn6.samsungcsportal.com This Service Manual is a property of Samsung Electronics Co., © Samsung Electronics Co., Ltd. September. 2023. Ltd. Printed in Korea. Any unauthorized use of Manual can be punished under Code No. AC-00341E_1...
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