DeDietrich MIT/E iSystem User Manual
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DeDietrich MIT/E iSystem User Manual

Interior hydraulic module
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Interior hydraulic module
MIT iSystem
User Guide
300028952-001-01

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Summary of Contents for DeDietrich MIT/E iSystem

  • Page 1 Interior hydraulic module MIT iSystem User Guide 300028952-001-01...

  • Page 2: Table Of Contents

    Contents Introduction ....................4 Symbols used ............4 1.1.1 Symbols used in the manual ........4 1.1.2 Symbols used on the equipment ......4 Abbreviations ............5 General ..............5 1.3.1 Manufacturer's liability ..........5 1.3.2 Installer's liability .............6 1.3.3 User's liability ............6 Homologations ............6 1.4.1 Certifications ............6 Safety instructions and recommendations ..........7 Safety instructions ..........7 Recommendations ..........7...
  • Page 3 Contents Installation shutdown .........22 Turning on the antifreeze function ....22 Troubleshooting ..................23 Anti-hunting ............23 Messages .............23 Faults (Code type Lxx or Dxx) ......26 Technical specifications ................28 Technical specifications ........28 6.1.1 Electricity supply ...........28 Energy savings ..................29 Energy savings ...........29 7.1.1 Energy-saving advice ..........29 7.1.2 Room thermostat and settings ......29...
  • Page 4 24/05/2012 - 300028952-001-01...

  • Page 5: Introduction

    MIT iSystem 1. Introduction Introduction Symbols used 1.1.1. Symbols used in the manual In these instructions, various danger levels are employed to draw the user's attention to particular information. In so doing, we wish to safeguard the user's safety, obviate hazards and guarantee correct operation of the appliance.

  • Page 6: Abbreviations

    1. Introduction MIT iSystem Abbreviations 4 DHW: Domestic hot water 4 PPS: Polypropylene hardly inflammable 4 PCU: Primary Control Unit - PCB contoller for heat pump operation 4 PSU: Parameter Storage Unit - Parameter storage for PCBs PCU and SU 4 SCU: Secondary Control Unit - DIEMATIC iSystem control panel 4 SU: Safety Unit - Safety PCB 4 3WV: 3-way valve...

  • Page 7: Installer's Liability

    MIT iSystem 1. Introduction 1.3.2. Installer's liability The installer is responsible for the installation and inital start up of the appliance. The installer must respect the following instructions: 4 Read and follow the instructions given in the manuals provided with the appliance. 4 Carry out installation in compliance with the prevailing legislation and standards.

  • Page 8: Safety Instructions And Recommendations

    2. Safety instructions and recommendations MIT iSystem Safety instructions and recommendations Safety instructions DANGER If smoke is released or in case of refrigerant leak: Switch the appliance off. Open the windows. Evacuate the premises. Contact a qualified professional. CAUTION Do not neglect to service the appliance. Contact a qualified professional or take out a maintenance contract for the annual servicing of the appliance.

  • Page 9: Description

    MIT iSystem 3. Description Description General description The MIT module is fitted with a DIEMATIC iSystem control panel with integrated regulator. It handles the automatic operation of the heat pump as a function of: 4 The outside temperature. 4 The ambient temperature when the remote control (as an option) is connected.

  • Page 10: Description Of The Display

    3. Description MIT iSystem Operating mode selection key DHW override key Key to access the parameters reserved for the installer Keys on which the function varies as and when selections are made ¼ See: "Key functions", page 9 Rotary setting button: Turn the rotary button to scroll through the menus or modify a value Press the rotary button to access the selected menu...
  • Page 11 MIT iSystem 3. Description n Operating modes Summer mode: Cooling is possible. Domestic hot water continues to be produced. WINTER mode: Heating and domestic hot water working. Forced cooling mode. w + p Cooling mode: Heating according to the time programme. <...
  • Page 12 3. Description MIT iSystem n Domestic Hot Water override A bar is displayed when a DHW override is activated: Flashing bar: Temporary override Steady bar: Permanent override < AUTO n Electrical back-up The symbol 1 or 2 lights up, depending on whether stage 1 or 2 on the electrical back-up is commanded.

  • Page 13: Browsing In The Menus

    MIT iSystem 3. Description n Other information The symbol is displayed when domestic hot water production is running. Valve indicator: The symbol is displayed when a 3-way valve is connected. x : 3-way valve opens < AUTO c : 3-way valve closes The symbol is displayed when the pump is operating.
  • Page 14 3. Description MIT iSystem 7. To go back to the main display, press key j 2 times. It is possible to use the ( and ' keys instead of the rotary LUNDI 11:45 button. < AUTO C002224-D-04 24/05/2012 - 300028952-001-01...

  • Page 15: Operating The Appliance

    MIT iSystem 4. Operating the appliance Operating the appliance Putting the appliance into operation 1. Switch on the power by throwing the on/off switch on the inside module. C002366-B 2. The first time the boiler is powered up, the LANGUAGE menu is displayed.

  • Page 16: Reading Out Measured Values

    4. Operating the appliance MIT iSystem Reading out measured values The various values measured by the appliance are displayed in the #MEASURES menu. 1. To access user level: Press the > key. 2. Select the menu #MEASURES. SUNDAY 11:45 Turn the rotary button to scroll through the menus or modify a value.

  • Page 17: Changing The Settings

    MIT iSystem 4. Operating the appliance User level - Menu #MEASURES Parameter Description Unit ROE-II ROE-H ROE+ ROE+TH ROI+ Refrigerant temperature at the compressor outlet °C HOT GAS TEMP. Compressor outlet temperature °C HOT GAS TEMP. Number of heat pump start-ups NB IMPULS.COMP NB IMPULS.COMP.1 Number of start-ups on compressor 1 Number of hours' operation of the heat pump...

  • Page 18: Selecting The Operating Mode

    4. Operating the appliance MIT iSystem Menu C Parameter Adjustment range Description Factory setting Desired domestic hot water temperature in the auxiliary 10 to 80 °C 55 °C TEMP.TANK AUX circuit 10 to 80 °C Desired domestic hot water temperature in circuit A 55 °C DHW A TEMP.

  • Page 19: Forcing Domestic Hot Water Production

    MIT iSystem 4. Operating the appliance 4.3.3. Forcing domestic hot water production To force domestic hot water production, proceed as follows: 1. Press the r key. 2. To select the desired parameter, turn the rotary button. 3. To modify the parameter, press the rotary button. To go back to the previous display, press the key j .

  • Page 20: Setting The Time And Date

    4. Operating the appliance MIT iSystem 4.3.5. Setting the time and date 1. To access user level: Press the > key. 2. Select the menu #TIME .DAY. SUNDAY 11:45 Turn the rotary button to scroll through the menus or modify a value. Press the rotary button to access the selected menu <...

  • Page 21: Customising A Timer Programme

    MIT iSystem 4. Operating the appliance User level - Menu #CHOICE TIME PROG. Parameter Adjustment range Description CURRENT PROG.A P1 / P2 / P3 / P4 Comfort programme activated (Circuit A) CURRENT PROG.B P1 / P2 / P3 / P4 Comfort programme activated (Circuit B) CURRENT PROG.C P1 / P2 / P3 / P4...
  • Page 22 4. Operating the appliance MIT iSystem 6. b : Day selection Press key b / v until the symbol b is displayed. PROG P2 C Turn the rotary button to the right to select the day(s) desired. We Th "Select the days to v : Cancelling the day selection program"...

  • Page 23: Installation Shutdown

    MIT iSystem 4. Operating the appliance User level - Menu #TIME PROGRAM Comfort periods / Filling enabled: P2 _______________ P3 _______________ P4 _______________ _______________ Monday TIME PROG.DHW Tuesday Wednesday Thursday Friday Saturday Sunday Monday TIME PROG.AUX Tuesday Wednesday Thursday Friday Saturday Sunday EVU TIMER PROG.

  • Page 24: Troubleshooting

    5. Troubleshooting MIT iSystem Troubleshooting Anti-hunting When the heat pump is in "anti-short cycle" operating mode, the symbol "?" flashes. This is a normal operating mode. When the restart temperature is reached, operation will be guaranteed. 1. Press the "?" key. The message Operation assured when the restart temperature will be reached is displayed.
  • Page 25 MIT iSystem 5. Troubleshooting Code Messages Description Checking / solution Heat pump exchanger sensor Bad connection. BL.S.ECH.HP error. Contact the professional who takes care of maintenance of the appliance. Heat pump battery sensor error. Bad connection. BL.S.BAT.HP Contact the professional who takes care of maintenance of the appliance.
  • Page 26 5. Troubleshooting MIT iSystem Code Messages Description Checking / solution Heat pump 4 way valve error. Check that there is not an inversion between the flow BL.V4V HP and return for the heating circuit. Contact the professional who takes care of maintenance of the appliance.

  • Page 27: Faults (Code Type Lxx Or Dxx)

    MIT iSystem 5. Troubleshooting Faults (Code type Lxx or Dxx) 1. Make a note of the code displayed. The code is important for the correct and rapid diagnosis of the type of failure and for any technical assistance that may be SUNDAY 11:45 needed.
  • Page 28 5. Troubleshooting MIT iSystem Code Faults Description Checking / solution Communication error with the heat Contact the professional who takes care of maintenance HP COM.FAIL pump. of the appliance. FAIL. PAC FLOW S. Heat pump flow sensor error. Contact the professional who takes care of maintenance of the appliance.

  • Page 29: Technical Specifications

    MIT iSystem 6. Technical specifications Technical specifications Technical specifications 6.1.1. Electricity supply 230 V AC (+ 6% / - 10%) - 50 Hz (Single phase power supply) 400 V AC (+ 6% / - 10%) - 50 Hz (Three-phase power supply) 24/05/2012 - 300028952-001-01...

  • Page 30: Energy Savings

    7. Energy savings MIT iSystem Energy savings Energy savings This chapter contains: 4 Energy-saving advice 4 Advice on setting the room thermostat correctly 7.1.1. Energy-saving advice 4 Do not block ventilation outlets. 4 Install reflective panels behind the radiators to prevent heat losses.
  • Page 31 MIT iSystem 7. Energy savings The setting of the control panel and/or of the remote control has a considerable influence on energy consumption. A few tips: 4 In the room in which the room thermostat is installed, it's advised not to use thermostatic valve radiators. If a thermostatic valve is used the valve must be fully opened.

  • Page 32: Warranty

    8. Warranty MIT iSystem Warranty General You have just purchased one of our appliances and we thank you for the trust you have placed in our products. Please note that your appliance will provide good service for a longer period of time if it is regularly checked and maintained. Your fitter and our customer support network are at your disposal at all times.
  • Page 33 MIT iSystem 8. Warranty 24/05/2012 - 300028952-001-01...
  • Page 36 Зубарев переулок, д. 15/1 Бизнес-центр «Чайка Плаза», офис 309 +7 (495) 221-31-51 DUEDI S.r.l. DE DIETRICH THERMIQUE Iberia S.L.U. www.duediclima.it www.dedietrich-calefaccion.es Distributore Ufficiale Esclusivo Av. Princep d’Astúries 43-45 De Dietrich-Thermique Italia 08012 BARCELONA Via Passatore, 12 - 12010 +34 932 920 520...

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