Mitsubishi Heavy Industries SC-SL2NA-E Technical Manual
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Mitsubishi Heavy Industries SC-SL2NA-E Technical Manual

Air conditioning control system
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Manual No. '10
SC-T-154
•
TECHNICAL MANUAL
CENTRAL CONTROL
SC-SL2NA-E
SC-SL3NA-AE
SC-SL3NA-BE

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Summary of Contents for Mitsubishi Heavy Industries SC-SL2NA-E

  • Page 1 Manual No. ’10 SC-T-154 • TECHNICAL MANUAL AIR CONDITIONING CONTROL SYSTEM CENTRAL CONTROL SC-SL2NA-E SC-SL3NA-AE SC-SL3NA-BE...
  • Page 2 SC-SL2NA-E 1 (�3) Notes (1) In case of previous SL, since SC-SL3NA-AE, BE is for connection of 3 Super Link systems, one unit of SC-SL2NA-E can be connected to each system. (2) Number of units in combination as shown above is applicable to when the indoor units being controlled by each central control are not duplicated.
  • Page 3 ’10 • SC-T-154 1 CENTRAL CONTROL SC-SL2N-E (1) Specification Appearance Description CENTRAL CONTROL SC-SL2NA-E Model name SC-SL2NA-E Applicable model Super Link compatible indoor unit Ambient temperature in operation 0 ~ 40˚C Power supply 1 phase, 100 ~ 240 V, 50/60 Hz Power consumption External dimensions (H�W�D)
  • Page 4 The diagram below shows the central control with its cover open. Also, for the sake of the explanation, all the contents of the LCD display section are shown. REMOTE CONTROL OPERATION ENABLE / DISABLE display CENTER / REMOTE display Displays items for which remote controller operation is disabled. Displays which is in effect, the central control or the local remote controllers.
  • Page 5 4th fan speed setting is “impossible” before shipment, so changing to “possible” is needed for 4th fan speed setting from this Central control. 4th fan mode of indoor units operating at 4th fan mode can be displayed on SC-SL2NA-E whose 4th fan mode setting is “impossible”.
  • Page 6 ’10 • SC-T-154 (4) Program setting Operation program can be set in the unit of group. It is possible to register the ON/OFF time or ON time + Temperature setting at 4 times a day. Operation time can be designated in the unit of minute. (5) Administration and control Item Description...
  • Page 7 ’10 • SC-T-154 (7) Installation procedure (b) Open the top case by following the procedure below. (a) In case of embedding in a wall, first, embed the power supply ① Grasp the indentations on the right and left sides, and wire, signal wire, and electrical box. Keep the power supply wire and signal wire separated to pull forward to open the cover downward.
  • Page 8 ’10 • SC-T-154 Wiring specifications Wiring Outline (9) 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. Control PCBs (printed circuit boards) are mounted to both the top and bottom cases.
  • Page 9 ’10 • SC-T-154 (c) In case of installing on the control board Caution Please be sure to lock the control board to protect persons Please do not install devices that can cause the ambient from the electric shock. temperature to rise in the same control board. Also, do Avoid usage of heat-retaining materials and heat-insulating not install multiple controllers in the same control board.
  • Page 10 This central control can control up to 64 target units (up to 4 units when using the previous Super Link setting). Multiple central controls must be installed to control 65 or more air conditioner units. When connecting multiple central controls on a single network, any group settings can be made for each central control. SC-SL2NA-E SC-SL2NA-E SC-SL2NA-E...
  • Page 11 ’10 • SC-T-154 2 CENTRAL CONTROL SC-SL3NA-AE and SC-SL3NA-BE (1) Specifications Appearance Description CENTRAL CONTROL SC-SL3NA-AE CENTRAL CONTROL SC-SL3NA-BE Model name SC-SL3NA-AE SC-SL3NA-BE Applicable model Super Link compatible indoor unit Ambient temperature at operation 0 ~ 40˚C Power supply 1 phase, 100 ~ 240 V, 50/60 Hz Power consumption External dimensions (H�W�D) 162mm�240mm�...
  • Page 12 It would cause malfunction of the wired remote controller. Please make sure to set at 1˚C intervals. (3) This function can be applied to the indoor units, which are the model KXE4 or later, SC-ADN-E or later and to the remote controller, which is the model RC-E1 or later.
  • Page 13 ’10 • SC-T-154 (4) Status monitor Status monitor can be applied in the unit of block, group or air-conditioner. Item Description It displays “RUN” if any units are running or displays “STOP” if all units are RUN/STOP status stopped. Operation mode Displays the operation mode of the representative air-conditioner. Temperature setting Displays the temperature setting of the representative air-conditioner.
  • Page 14 ’10 • SC-T-154 (6) Management and control Item Description Sets the block name and constituting groups. Groups for the block registration need to be registered with the group definition beforehand. Any groups not set for blocks are not fit to the detail setting or status display from the all blocks display. Block definition Initially, all blocks is not defined.
  • Page 15 ’10 • SC-T-154 (7) Outline drawing ● ● (8) 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. (a) Installation place Please install in an indoor location that is not exposed to electromagnetic waves, water, dust, or other foreign substances.
  • Page 16 ’10 • SC-T-154 (c) Installation procedure 1) Remove the upper case a) Take out two screws using a cross slot screwdriver. (Don’t lose the screws) b) Pull the upper case a little forward and push above. Then, upper case can be removed. Caution c Embed signal wire and power supply wire in a wall beforehand. c Connect wires to the terminal block.
  • Page 17 ’10 • SC-T-154 Wiring Specifications (b) System wiring The back of the central control Ground position “b” for Super Link system signal wire 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 Ground position “a”...
  • Page 18 0.) = 5A / The watt-hour meter needs to have a capacity of 400 A. If we select an oscillation device from Mitsubishi’s products of 400 A: • K type – Select the pulse unit 00 kWh/P or 0 kWh/P •...
  • Page 19 ’10 • SC-T-154 a) Maximum count number of power pulse input b) Maximum count number of gas pulse input (c) Energy consumption calculation nethod The base of calculation data is output as a file, which can be edited using one of spreadsheet software available from market, via USB memory. The base data are created on the monthly basis. < Calculation procedure >...
  • Page 20 ’10 • SC-T-154 ① In case of MULTI  setting: Conduct proportional distribution according to the results of a accumulated answer Hz. Accumulation is not performed when the thermo is OFF or during the Fan mode operation. Indoor unit A Indoor unit B Indoor unit C 5Hz...
  • Page 21 ’10 • SC-T-154 (d) Software overview (SL3N-BE Utility) SLN-BE Utility calculates the amount of energy consumption with air conditioner’s running data saved by SC-SLNA-BE. The amount of energy consumption is divided proportionally day by day according to the operating ratio of the air conditioner, and it is calculated as the group total amount of energy consumption for every period.
  • Page 22 Small font size 4) End user agreement This software is for using SC-SLNA-BE. Mitsubishi Heavy Industries, Ltd. (MHI) permits you to use two or more copies of this software on two or more computers. This software and SC-SLNA-BE do not warrant the contents of the calculation result.
  • Page 23 ’10 • SC-T-154 (e) Starting and quitting the software 1) Starting the SL3N-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. will appear. Fig. Main Menu screen 2) Quitting SL3N-BE Utility Click [Exit] button, or [x] button of a title bar.
  • Page 24 ’10 • SC-T-154 3) Screen changes The screen changes are shown in Fig.. Import Accounting Import Data File Start BIN to CSV Import Conversion Main Menu Accounting Data File screen Back Back Exit Meter Group Meter Group Definition Definition Meter Group Definition screen Back Back...
  • Page 25 ’10 • SC-T-154 6) Calculating energy consumption a) Start the SL3N-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. will appear. Step : Click [Import Accounting Data File] button on this screen. Step : Click [Meter Group Definition] button on this screen.
  • Page 26 ’10 • SC-T-154 Step 1: Import Accounting Data File () Beforehand, export monthly data files to a USB memory by SC-SLNA-BE. () Insert the USB memory in your personal computer. () Click a check box. Select the drive name of a USB memory, and the folder name, which exported monthly data files. (4) Specify the year and the month to calculate.
  • Page 27 ’10 • SC-T-154 c Importing Accounting Data Files SLN-BE Utility reads a group definition file and the monthly data file of the month specified to the "year" and the "month", and the previous month, and converts them into the CSV files. The converted CSV files are the following.
  • Page 28 ’10 • SC-T-154 Step 2: Set the Meter Group Definition SLN-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 29 ’10 • SC-T-154 c First time () Click [New] button and input the Meter number. () Click [Save] button and input the file name. () Click [Back] button. c 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 30 ’10 • SC-T-154 Step 3: Set the Pulse Constant Definition SLN-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. Pulse Constant Definition screen [New]: Push this button when you make a new definition file.
  • Page 31 ’10 • SC-T-154 Step 4: Calculate Energy Consumption SLN-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.0 Calculate Energy Consumption screen [Calculate]: calculates the energy consumption.
  • Page 32 ’10 • SC-T-154 . When you click the check box “The electric energy consumption”, Fig. 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, and type another file name that you want.
  • Page 33 ’10 • SC-T-154 Appendix 1. The image of the Monthly Energy Consumption file *** C:¥Program Files¥SLB3EUtility¥db¥MonthE0503. csv (02/05 - 03/14) Group No Group Name Basic Period [H] Overtime [H] Basic Period [kWh] Overtime [H] 1F ENTRANCE GATE 0.000 0.000 1F ENT. HALL STH 0.000 0.000 1F ENT. HALL NRTH 0.000 0.000 1F ENT.
  • Page 34 ’10 • SC-T-154 ® Appendix 2. Dividing and Reading out the CSV file using Microsoft Excel ) Open a new file and move a cursor to the position where you want to locate. ) Choose the “Import External Data” menu and the “Import Data…” menu in the menu bar.
  • Page 35 ’10 • SC-T-154 ) Select “All Files (*.*)” in the the “Files of type” and choose the CSV file which you want to read. Click the “Open” button. 4) Select the “Delimited” option button and the file format “Western European” in the “File origin” drop-down, and click [Next >] button.
  • Page 36 ’10 • SC-T-154 6) Click the head column to exclude under the “Data preview”. ) 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. ) Click [OK] button.
  • Page 37 ’10 • SC-T-154 3 TROUBLESHOOTING A yellow unit icon is displayed. A malfunction has occurred with the unit. The malfunctioning unit is stopped. Contact the shop where the unit was purchased. The shop will need the following information: “unit icon color”, “malfunction situation”, “model name of the malfunctioning unit”, “Error No.
  • Page 38 ’10 • SC-T-154 “SL-0X-self address duplica- Contact the shop where the unit was purchased. (Re-check the communications line connections of the tion error was detected.”“ SL- units.) 0X- self transmission data read error was detected.”“ SL-0X- data transmission error was detected.”...
  • Page 39 SC-SL2NA-E Example 2: Plural number of SC-SL2NA-E may be connected to a network (indoor units up to 128 units). Since it is possible to use mixed with SC-SL1N-E, SC-SL2NA-E may be used for the central control and SC-SL1N-E for the RUN/STOP at each floor.
  • Page 40 ’10 • SC-T-154 Example 3: Up to 128 groups, which are set optionally with the central control SC-SL3NA-AE can be controlled on the basis of each group. Note (1) A pair of center consol SC-SL3NA-AE may be connected on the Super Link. Part or whole remote controllers may be abbreviated.
  • Page 41 AIR CONDITIONING CONTROL SYSTEM Air-Conditioning & Refrigeration Systems Headquarters 16-5, 2-chome, Kounan, Minato-ku, Tokyo, 108-8215, Japan Fax : (03) 6716-5926 Because of our policy of continuous improvement, we reserve the right to make changes in all specifications without notice. Copyright MITSUBISHI HEAVY INDUSTRIES.LTD...

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