De-dietrich MIT iSystem User Manual

ENInterior hydraulic moduleMIT iSystemUser Guide300028952-001-01

BOperating mode selection keyCDHW override keyDKey to access the parameters reserved for the installerEKeys on which the function varies as and when s

nOperating modespSummer mode: Cooling is possible. Domestic hot watercontinues to be produced.bWINTER mode: Heating and domestic hot water working.w +

nDomestic Hot Water overrideA bar is displayed when a DHW override is activated:4 Flashing bar: Temporary override4 Steady bar: Permanent overridenEle

nOther informationrThe symbol is displayed when domestic hot waterproduction is running.wValve indicator: The symbol is displayed when a 3-wayvalve is

7. To go back to the main display, press key j2 times.It is possible to use the ( and ' keys instead of the rotarybutton.bar1122rcSTD('tv0 2

4 Operating the appliance4.1 Putting the appliance into operation1. Switch on the power by throwing the on/off switch on the insidemodule.2. The first

4.2 Reading out measured valuesThe various values measured by the appliance are displayed in the#MEASURES menu.1. To access user level: Press the >

User level - Menu #MEASURESParameter Description Unit ROE-II ROE-H ROE+ ROE+TH ROI+HOT GAS TEMP.Refrigerant temperature at the compressor outlet °C x

Menu CParameter Adjustment range Description Factory settingTEMP.TANK AUX (2)10 to 80 °CDesired domestic hot water temperature in the auxiliarycircuit

4.3.3. Forcing domestic hot water productionTo force domestic hot water production, proceed as follows:1. Press the r key.2. To select the desired par

Contents1 Introduction ...41.1 Symbols used ...

4.3.5. Setting the time and date1. To access user level: Press the > key.2. Select the menu #TIME .DAY.4 Turn the rotary button to scroll through t

User level - Menu #CHOICE TIME PROG.Parameter Adjustment range DescriptionCURRENT PROG.AP1 / P2 / P3 / P4 Comfort programme activated(Circuit A)CURREN

6.b : Day selectionPress key b / v until the symbol b is displayed.Turn the rotary button to the right to select the day(s) desired.v : Cancelling the

User level - Menu #TIME PROGRAM Day Comfort periods / Filling enabled:P1_______________P2 _______________ P3 _______________ P4 _______________TIME PR

5 Troubleshooting5.1 Anti-huntingWhen the heat pump is in "anti-short cycle" operating mode, thesymbol "?" flashes. This is a norm

Code Messages Description Checking / solutionB6 BL.S.ECH.HPHeat pump exchanger sensorerror.Bad connection.4 Contact the professional who takes care of

Code Messages Description Checking / solutionB23 BL.V4V HPHeat pump 4 way valve error.4 Check that there is not an inversion between the flowand retur

5.3 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 thetype of failure

Code Faults Description Checking / solutionL18 HP COM.FAILCommunication error with the heatpump.4 Contact the professional who takes care of maintenan

6 Technical specifications6.1 Technical specifications6.1.1. Electricity supply230 V AC (+ 6% / - 10%) - 50 Hz (Single phase power supply)400 V AC (+

4.4 Installation shutdown ...224.5 Turning on the antifreeze function ...225 Troubleshooting ..

7 Energy savings7.1 Energy savingsThis chapter contains:4 Energy-saving advice4 Advice on setting the room thermostat correctly7.1.1. Energy-saving ad

The setting of the control panel and/or of the remote control has aconsiderable influence on energy consumption.A few tips:4 In the room in which the

8 Warranty8.1 GeneralYou have just purchased one of our appliances and we thank you forthe trust you have placed in our products.Please note that your

MIT iSystem 8. Warranty24/05/2012 - 300028952-001-0132

AD001-AGDUEDI S.r.l.www.duediclima.itDistributore Ufficiale EsclusivoDe Dietrich-Thermique ItaliaVia Passatore, 12 - 12010San Defendente di CervascaCU

324/05/2012 - 300028952-001-01

1 Introduction1.1 Symbols used1.1.1. Symbols used in the manualIn these instructions, various danger levels are employed to draw theuser's attent

1.2 Abbreviations4 DHW: Domestic hot water4 PPS: Polypropylene hardly inflammable4 PCU: Primary Control Unit - PCB contoller for heat pump operation4

1.3.2. Installer's liabilityThe installer is responsible for the installation and inital start up of theappliance. The installer must respect the

2 Safety instructions andrecommendations2.1 Safety instructionsDANGERIf smoke is released or in case of refrigerant leak:1. Switch the appliance off.2

3 Description3.1 General descriptionThe MIT module is fitted with a DIEMATIC iSystem control panel withintegrated regulator. It handles the automatic