Mitsubishi Heavy Industries SC-SL4-AE2 Technical Manual
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Mitsubishi Heavy Industries SC-SL4-AE2 Technical Manual

Air-conditioning control system
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TECHNICAL MANUAL
AIR-CONDITIONING CONTROL SYSTEM
CENTRAL CONTROL
SC-SL4-AE2
SC-SL4-BE2
Manual No.'21・SC-T-392
updated September 14, 2022

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Summary of Contents for Mitsubishi Heavy Industries SC-SL4-AE2

  • Page 1 Manual No.'21・SC-T-392 updated September 14, 2022 TECHNICAL MANUAL AIR-CONDITIONING CONTROL SYSTEM CENTRAL CONTROL SC-SL4-AE2 SC-SL4-BE2...

  • Page 2: Table Of Contents

    ’21 • SC-T-392 CONTENTS 1. SPECIFICATIONS ....................6 2. OPERATION AND SETTING ................8 3. CONTROL SELECTION SETTING ..............10 4. STATUS MONITOR ...................12 5. SCHEDULE SETTING ..................13 6. MANAGEMENT AND CONTROL ..............14 7. WEB MONITORING FUNCTION ..............16 8. EXTERNAL DIMENSIONS ................17 9. INSTALLATION OF CENTRAL CONTROL .............18 10.
  • Page 3 Number of units in combination as shown above is applicable to when the units being controlled by each central control are not duplicated. In case of managing one unit with plural central controls (SC-SL4-AE2, SC-SL4-BE2, SC-SL2NA-E), be sure to make permission / prohibition setting only with a master central control, not with other central controls.
  • Page 4 ’21 • SC-T-392 ■ Compatibility table about the Utility software (1) The Utility software for editing the definition files SC-SL4-AE/A SC-SL4-AE/B SC-SL4-AE2 SC-SL4-BE/A SC-SL4-BE/B SC-SL4-BE2 SL4-V2 Utility (*1) SL3N-E Utility YES (*2) YES (*3) ─ (2) The Utility software for calculating the amount of energy consumption...
  • Page 5 ’21 • SC-T-392...
  • Page 6 ’21 • SC-T-392...

  • Page 7: Specifications

    (6) On the “Function Setting” screen, it is possible to change the malfunction output to normally Open or Close. It is Open during power supply OFF or until SC-SL4-AE2 (SC-SL4-BE2) starts after power supply ON (including the automatic reboot). (7) It is possible to change to accounting period time input. (1 or 2 points) (SC-SL4-BE2 only) (8) Air-conditioner, hydro module units (HMU-KIT or later), heat pump water heaters (ESA30EH or later) or units connected by the interface.
  • Page 8 ’21 • SC-T-392 Note (1) : Use the attached installation brackets (front and rear). Note (2) : Maximum number of connectable indoor units depends on the indoor unit model. Note (3) : When energy consumption calculation function is required, use SC-SL4-BE2. Note (1) : Use the attached installation brackets (front and rear).

  • Page 9: Operation And Setting

    4th fan mode, but other setting is possible as before. When indoor unit is operating at 4th fan speed, the fan speed mode displayed on SC-SL4-AE2 (SC-SL4-BE2) shows the 4th fan mode even though its setting is “Invalid“.
  • Page 10 ’21 • SC-T-392 (2) HMU group Item Description RUN / STOP Performs run (operation) or stop control. Operation mode Auto , Cool, Pump or Heat 0.5°C intervals Temperature setting Possible to change the lower temperature limit to 5 - 28°C and the upper temperature limit to 28 - 30°C for the cooling mode, and the lower temperature limit to 15 - 22°C and the upper temperature limit to 22 –...

  • Page 11: Control Selection Setting

    It is possible to choose “Closed” or “Open” status for malfunction (error) output during normal operation of units. Fan Type It is possible to choose Fan Type (1, 2, 3 or 4 speed) of indoor unit on the setting screen of SC-SL4-AE2 (SC-SL4-BE2). Auto Fan Speed Selection of Fan speed “Auto”...
  • Page 12 ’21 • SC-T-392 Fig.2-1 Display example1 Fig2-2 Display example2 (Air-conditioner / Other group) Fig.2-3 Display example3 (HMU group) Fig.2-4 Display example4 (Q-ton group)

  • Page 13: Status Monitor

    Louver direction Displays the Auto swing ON/OFF setting and louver position setting of the representative unit. When the cumulative operating time for any one of the indoor units managed with SC-SL4-AE2 Filter sign (SC-SL4-BE2) reaches the set time to clean the air filter, the clean filter sign icon lights.

  • Page 14: Schedule Setting

    Inspection 2 and Backup) Preference order of display is as shown below. Backup > Inspection 1 > Inspection 2 When any error is detected on one or more units managed with SC-SL4-AE2 (SC- 13 Malfunction (Error) SL4-BE2), the error icon lights.

  • Page 15: Management And Control

    Displays a maximum of 300 records for the history of error occurrence and restoration in the unit. Alarm history Alarm history is erased by the power off or rebooting the program of SC-SL4-AE2 (SC-SL4-BE2). Sets the period 1, 2, 3 and 4 used for calculation on the setting screen of SC-SL4-BE2.

  • Page 16: Web Monitoring Function

    All units (except the Q-ton groups) managed by SC-SL4-AE2 (SC-SL4-BE2) become “Stop” and “ALL Lock (Center)” condition by external emergency stop signal input. The units in the Q-ton groups managed by SC-SL4-AE2 (SC-SL4-BE2) become “Pause” by external emergency stop signal input.
  • Page 17 ’21 • SC-T-392 7. WEB MONITORING FUNCTION This web monitoring system monitors and operates units connected to central control SC-SL4-AE2 (SC-SL4-BE2) from a web browser on the PC. The right figure shows the basic system configuration. The central control SC-SL4-AE2 (SC-SL4-BE2) connected to units is linked directly to the monitoring and operating PC.

  • Page 18: External Dimensions

    ’21 • SC-T-392 8. EXTERNAL DIMENSIONS (1) Central control 9 inch wide color LCD touch panel 22.5 Reset switch hole (φ2) Wall surface USB port Resin : ABS Upper case setting Color of resin : Clear pearl screw (×2) Service space Front : 500mm or larger Bottom : 200mm or larger Power source...

  • Page 19: Installation Of Central Control

    ’21 • SC-T-392 9. INSTALLATION OF CENTRAL CONTROL PJZ012D091A Please read this manual thoroughly and follow it carefully when carrying out installation work. ● Please also refer to the installation manuals for the indoor and outdoor units. ● The appliance must be installed in accordance with national wiring regulations. ●...
  • Page 20 ’21 • SC-T-392 Installation Work Please install the central control after turning off the power for fear of electric shock. Please arrange or protect the wiring so that excessive force is not applied to the electrical wires. Installation Place Please install in an indoor location that is not exposed to electromagnetic waves, water, dust, or other foreign substances. The operating temperature range of this product is from 0°C to 40°C.
  • Page 21 the central control Round crimping terminal (S) Small size × 6 pieces • For SC-SL4-BE2 CD-ROM (Energy consumption calculation software) 1 unit USB Memory 1 unit ’21 • SC-T-392 (2) Installation outline Installation procedure Be sure to use the attached installation ●...
  • Page 22 ’21 • SC-T-392 System Wiring The back of the central control Ground position “b” for Ground Superlink system signal wire position “a” L1 L2 Terminal block (two tiers) FG FG (1) The upper tier of Terminal Block (*) Please be sure to use the accessory terminals (S). (Same for A2, B2, A3, B3) DO1 DO1- DO2 DO2- COM (*1)

  • Page 23: Accounting Calculation

    ’21 • SC-T-392 10. ACCOUNTING CALCULATION (1) Selection of watt-hour meter (SC-SL4-BE2) To calculate the energy censumption, it is necessary to procure a watt-hour meter at site. Select a meter according to the following items. (2) Selecting the pulse unit (a) Restrictions on the pulse input receiving side Meter with pulse width above 80ms (6 pulses/second or fewer).
  • Page 24 ’21 • SC-T-392 (3) Energy consumption calculation (SC-SL4-BE2 only) (Except Q-ton) Calculation of energy consumption can be done by the calculation software “SL4-BE Utility” that is bundled with SC-SL4- BE2. SL4-BE Utility calculates the amount of energy consumption with unit’s running data saved by SC-SL4-BE2. The amount of energy consumption is divided proportionally day by day according to the operating ratio of the unit, and it is calculated as the group total amount of energy consumption for every period.
  • Page 25 ’21 • SC-T-392 (4) Software overview SL4-BE Utility calculates the amount of energy consumption with air-conditioner’s running data saved by SC-SL4-BE2 (Ver.2.00 or later). The amount of energy consumption is divided proportionally day by day according to the operating ratio of the unit, and it is calculated as the group total amount of energy consumption for every period.
  • Page 26 This software and SC-SL4-BE2 do not warrant the contents of the calculation result. Please be sure to use a calculation result in the customer's responsibility. MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD. or its suppliers are not liable for any damages whatsoever (including but not limited to damages for loss of business profits, business interruption, or any other pecuniary loss) which results from an inability to use this software.
  • Page 27 ’21 • SC-T-392 (5) Starting and quitting the software (a) Starting the SL4-BE Utility Double-click the short-cut icon displayed on Windows desktop or select the program displayed on the Start menu. The ® Main Menu screen shown in Fig.10-1 will appear. Fig.10-1 Main menu screen Fig.1 Main Menu screen (b) Quitting SL4-BE Utility...
  • Page 28 ’21 • SC-T-392 (c) Screen changes The screen changes are shown in Fig.10-2. Import Accounting Import Data File Start BIN to CSV Main Menu Import Conversion Accounting Data File screen Back Exit Meter Group Definition Meter Group Definition screen Back Pulse Constant Definition...
  • Page 29 ’21 • SC-T-392 (6) Calculating energy consumption (a) Start the SL4-BE Utility Double-click the short-cut icon displayed on Windows desktop or select the program displayed on the Start menu. The Main ® Menu screen shown in Fig.10-3 will appear. Step 1: Click [Import Accounting Data File] button on this screen. Step 2: Click [Meter Group Definition] button on this screen.
  • Page 30 ’21 • SC-T-392 Step 1: Import Accounting Data File 1) Beforehand, export monthly data files to a USB memory by SC-SL4-BE2. 2) Insert the USB memory in your personal computer. - Operation of the above (1) and (2) can be substituted by “Download Monthly Data File” operation of the Web monitoring function.
  • Page 31 ’21 • SC-T-392 • Selecting the configuration (Group definition) file. Select the drive name of a USB memory as shown in Fig.10-5, and choose the file “SL4nSLconfig.bin” (New Superlink) or “SL4pSLconfig.bin” (previous Superlink). Fig.10-5 Select Group Definition File dialog box Fig.5 Select Group Definition File dialog box •...
  • Page 32 ’21 • SC-T-392 Step 2: Set the Meter Group Definition SL4-BE Utility memorizes the Meter Group Definition last time, and reads it when starting. You may skip this menu, as long as there is no change. Meter Group Definition defines to which energy system (electricity or gas) the air-conditioner belongs. It is possible to assign two or more meter numbers to one air-conditioner's indoor unit.
  • Page 33 ’21 • SC-T-392 • First Time 1) Click [New] button and input the Meter number. 2) Click [Save] button and input the file name. 3) Click [Back] button. • 2nd hereafter You don’t have to select this menu. However, we recommend that you check the contents of the setting whenever you calculate.
  • Page 34 ’21 • SC-T-392 Step 3: Set the Pulse Constant Definition SL4-BE Utility memorizes the Pulse Constant Definition last time, and reads it when starting. You may skip this menu, as long as there is no change. Pulse Constant Definition defines a pulse constant and the energy type (electricity or gas) for every meter. Fig.10-9 Pulse Constant Definition screen Fig.9 Pulse Constant Definition screen [New]: Push this button when you make a new definition file.
  • Page 35 ’21 • SC-T-392 Step 4: Calculate Energy Consumption SL4-BE Utility carries out proportional division calculation based on the Monthly Data Files that imported, the Meter Group Definition and the Pulse Constant Definition. And it calculates the energy consumption for every group. Fig.10-10 Calculate Enaergy Consumption screen Fig.10 Calculate Energy Consumption screen [Calculate]: calculates the energy consumption.
  • Page 36 ’21 • SC-T-392 a) When you click the check box “The electric energy consumption”, Fig.10-11 dialog box will appear. If you want to change the file name, the folder name and the drive name, select another drive name and the folder name, and type another file name that you want.
  • Page 37 ’21 • SC-T-392 • The running time and energy (electricity and gas) consumption for every group: - File name (in case of New Superlink system): NGRP1CONSUMYYMM.csv, NGRP2CONSUMYYMM.csv, NGRP3CONSUMYYMM.csv, NGRP4CONSUMYYMM.csv …, NGRP8CONSUMYYMM.csv - File name (in case of previous Superlink system): GRP1CONSUMYYMM.csv, GRP2CONSUMYYMM.csv, GRP3CONSUMYYMM.csv, GRP4CONSUMYYMM.csv GRP5CONSUMYYMM.csv, GRP6CONSUMYYMM.csv <Note 1>...
  • Page 38 ’21 • SC-T-392 Appendix 1. The image of the Monthly Energy Consumption file *** C:¥SL4BEUtility¥db¥MonthE1503.csv (02/21 - 03/20) Group No Group Name Time1[H] Time2[H] Time3[H] Time4[H] Time1[kWh] Time2[kWh] Time3[kWh] Time4[kWh] 1 1F ENTRANCE GATE 110.0 194.7 25.4 408.000 51.521 38.293 2 1F ENT.HALL STH 110.0 194.7...
  • Page 39 ’21 • SC-T-392 Appendix 2. Dividing and Reading out the CSV file using Microsoft Excel ® The display may differ depending on your computer. 1) Open a new file and move a cursor to the position where you want to locate. 2) Review Excel option settings.
  • Page 40 ’21 • SC-T-392 3) Open CSV file of operation data (i) Select “Data” - “Get Data” - “& Legacy Wizards” - “From & Text (Legacy)”. (ii) On the "Import Text File" screen, select the csv file and click "Import".
  • Page 41 ’21 • SC-T-392 4) Select the “Delimited” option button and the file format “Western European” in the “File origin” drop-down, and click [Next >] button. 5) Select “Comma” in the “Delimiters” section of the dialog box, and click [Next >] button. 6) Click the head column to exclude under the “Data preview”.
  • Page 42 ’21 • SC-T-392 7) Click the last column to exclude, pressing [Shift] key (on keyboard), under the “Data preview”. Click the "Do not import column (skip)" in the “Column data format”, and click [Finish] button. The last column 8) Click [OK] button. The data in the CSV file will be imported to Excel sheet.

  • Page 43: Troubleshooting

    ’21 • SC-T-392 11. TROUBLESHOOTING PJZ012A206 (1) SC-SL4-AE2, BE2 “Each group status display” is A malfunction has occurred with the unit. The malfunctioning unit is stopped. displayed in red Contact your dealer. The shop will need the following information : “Each group status display”, “malfunction situation”, “model name of the malfunctioning unit”,...
  • Page 44 ’21 • SC-T-392 “USB memory was not found.” The USB memory may not have been fully inserted. Remove the USB memory, message appears. and reinsert it. If this message appears again, it is possible that the USB memory is damaged or the USB memory is not the attachment. Replace it with the bundled USB memory and try the operation again.
  • Page 45 ’21 • SC-T-392 (2) Web function PJZ012A207 Forgot the IP address Forgot the IP address, made an incorrect setting Refer to the SL4 central control setting. Forgot the ID/password Check whether the entered address was correct. A connection error occurs Click the “Refresh”...
  • Page 46 ’21 • SC-T-392 (3 ) Trouble shooting 1. Error messages appear (1) (1) Messages or error indication （X=1-3） - SL-0X- self transmission data read error was detected. - SL-0X- data transmission error was detected. - E75 (2) Troubleshooting Diagnosis Countermeasure Power off SL4 and disconnect SL signal wires.
  • Page 47 ’21 • SC-T-392 2. Error messages appear (2) (1) Messages - The fatal error occurred to the system. SL process was forced to finish. - Initialization of a communication device failed. - pulse data read error was detected. (2) Troubleshooting Diagnosis Countermeasure Power off SL4, and disconnect SL signal...
  • Page 48 ’21 • SC-T-392 3. Error messages appear (3) (1) Messages or error indication - SL-0X-self address duplication error was detected.　（X=1-3） - E74 (2) Presumable cause Plural central controls (SL3, SL4, BGW, WGW or LGW) are connected to 1 previous Superlink system. (including the false connection) (3) Troubleshooting Diagnosis Countermeasure...
  • Page 49 ’21 • SC-T-392 4. Display error (1) (1) Condition No screen is displayed. The screen remains black. (2) Troubleshooting Diagnosis Countermeasure Touch the screen. It is normal. （The backlight (illumination) is turned OFF after a fixed period of time to preserve the screen.
  • Page 50 ’21 • SC-T-392 5. Display error (2) (1) Condition The screen does not change when touched. (2) Troubleshooting Diagnosis Countermeasure Press the reset switch at the lower side of front cover. It is normal. (It is possible that there is Does it repeat? malfunction due to electrostatic discharge.)
  • Page 51 ’21 • SC-T-392 6. Communication error (1) Display The state of air conditioner is communication error. (Any error message is not displayed.) (2) Troubleshooting Diagnosis Countermeasure Specify the following cause and correct it. - Wrong setting of SL (New or Previous) All units? - Ground fault or short circuit of SL...
  • Page 52 ’21 • SC-T-392 ７．USB memory error (1) (1) Messages - Importing a configuration file from USB memory has failed. Check the configuration file in the USB memory. (2) Troubleshooting Diagnosis Countermeasure Is definition file saved Save definition file to the USB to the USB memory? memory.
  • Page 53 ’21 • SC-T-392 8. USB memory error (2) (1) Messages - Exporting a configuration file to USB memory has failed. - Exporting monthly data files to USB memory has failed. (2) Troubleshooting Diagnosis Countermeasure Delete all the files in the USB memory and try again.
  • Page 54 ’21 • SC-T-392 9. USB memory error (3) (1) Message USB memory was not found. (2) Troubleshooting Diagnosis Countermeasure Remove the USB memory, and reinsert it. It is normal. Does it repeat? (The USB memory may not have been fully inserted.) Do you use the bundled Use the bundled USB USB memory?
  • Page 55 ’21 • SC-T-392 10. Other (1) Condition Messages other than the following appear. （X=1-3） - SL-0X- self transmission data read error was detected. - SL-0X- data transmission error was detected. - The fatal error occurred to the system. SL process was forced to finish. - Initialization of a communication device failed.

  • Page 56: Connection Example

    ’21 • SC-T-392 12. CONNECTION EXAMPLE Example : Up to 128 groups, which are set optionally with the central control SC-SL4-AE2, BE2 can be controlled on the basis of each group. Notes (1) A pair of central control SC-SL4-AE2, BE2 may be connected on the Superlink.

  • Page 57: Id And Password

    ’21 • SC-T-392 13. ID AND PASSWORD In order to prevent unauthorized settings changes, user access levels are established. This restricts access to screens and operations depending on the level. The factory default IDs and passwords below can be changed. •...

  • Page 58: Option Part (Rci-Mdqe2): Interface For Q-Ton

    ’21 • SC-T-392 14. OPTION PART (RCI-MDQE2): Interface for Q-ton (1) Outline drawing (Metal box)
  • Page 59 ’21 • SC-T-392 (2) Installation manual of interface for heat pump water heater PJZ012D141 This installation manual describes the installation methods and precautions related to the interface. Use this manual together with the user manuals for the heat pump unit, remote control and other option equipment. Please read this manual carefully before starting the installation work to install the device correctly.
  • Page 60 ’21 • SC-T-392 Control switching Settings can be changed by the switch SW3 on the PCB as per the following. Switch Symbol Switch Remark 1,2,3 See below OFF (default) Superlink Select Software ) t l <When SW3-4 is OFF> Switch Symbol Switch Remark...
  • Page 61 ’21 • SC-T-392 Installation (1) Mount the PCB in the metal box using the locking supports. (2) Fit the grommet into the hole of the metal box and insert the wires through it. Secure the wires with the binding band as shown in the below fi gure. Note Please fi...
  • Page 62 Because of our policy of continuous improvement, we reserve the right to make changes in all specifications without notice. Because of our policy of continuous improvement, we reserve the right to make changes in all specifications without notice. Copyright MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD. © Copyright MITSUBISHI HEAVY INDUSTRIES, LTD.

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