De-dietrich VIVADENS MCR 24_28 BIC Manuel d'utilisateur

VivadensENWall-hung gas condensing boilersMCR 24/28 BICUser Guide300024112-001-01

3 Description3.1 General descriptionWall-hung gas condensing boilers4 Heating and domestic hot water production with integrated DHWtank.4 High efficie

The display indicates the state of the boiler and any errors. Thesymbols located above the function keys indicate their currentfunction.Pressing on an

4 Operating the appliance4.1 Starting and stopping the boiler4.1.1. Start the boiler1. Check the water pressure in the installation.2. Open the gas va

4.1.2. Stopping the boiler1. Throw the boiler’s ON / OFF switch.2. Switch off the boiler electrical power supply.3. Close the gas valve.A000786-AT0001

4.2 Changing the settings4.2.1. Changing the heating temperatureIf an outside temperature sensor or an OpenTherm controlsystem is fitted, the heating

4.2.3. Stopping the central heating or activatingthe Summer mode1. Press the D key.The symbol D and the current temperature are displayed.2. Press the

4.2.4. Changing the domestic hot watertemperature1. Press the N key.The symbol N and the current temperature are displayed.2. Use the [+] and [-] keys

4.2.5. Stopping domestic hot water production1. Press the N key.The symbol N and the current temperature are displayed.2. Press the key [-] several ti

To change these parameters, proceed as follows:1. Press key f several times until the symbol W flashes on the menubar.2. Press the S key to enter the

If the temperature of the central heating water in the boiler falls toomuch, the integrated protection device switches itself on:4 If the water temper

Contents1 Introduction ...41.1 Symbols used ...

5 Checking and maintenance5.1 General instructionsCAUTION4 An annual inspection is compulsory.4 We recommend taking out a maintenance contract.4 Maint

4 Clean the outside of the boiler using a damp cloth and a lightdetergent.CAUTIONOnly a qualified professional is authorised to clean theinside of the

4. Wait until the temperature drops below 40°C and the radiatorsseem cold before filling the central heating system.5. Open the disconnector valves.6.

2. Set the room thermostat as high as possible.3. Wait until the radiators are hot.4. Switch the boiler off.5. Wait around 10 minutes until the radiat

7. Open the bleed connection using the bleed key provided whilstkeeping a rag pressed against the connection.8. Wait until water comes out of the blee

6 Troubleshooting6.1 Error codes6.1.1. e01 - e02 - e07 - e09If one of the breakdown codes opposite is dispayed, check thehydraulic pressure:Case 1: Pr

6.1.4. Before contacting the installerBefore contacting the installerNote the following information on the appliance’s rating plate:4 Type of gas used

Problem Probable causes SolutionThe boiler is not working.The heating temperature settingis too low.Increase the value of parameter p1 or, if a roomth

7 Technical specifications7.1 Technical specificationsMCR BICBoilerHeating mode Nominal useful output 40/30 (min / max) kW 6.3 /25.3Nominal useful out

MCR BICMinimum pressure for 11 l/min(2)bar 0.5Water capacity litres 40Combustion products circuitConnection diameter mm 60/100Mass flue gas flow rate

4.4 Reading out measured values ...185 Checking and maintenance ...

8 Energy savings8.1 Energy savingsThis chapter contains:4 Energy-saving advice4 Advice on setting the room thermostat correctly8.1.1. Energy-saving ad

4 If you are using an ON/OFF type thermostat, reduce the watertemperature value (p1) in summer (e.g. 60 in summer and80 in winter).4 When setting an

9 Warranty9.1 GeneralYou have just purchased one of our appliances and we thank you forthe trust you have placed in our products.Please note that your

MCR 24/28 BIC 9. Warranty170513 - 300024112-001-0132

AD001NU-AiDUEDI S.r.l.DE DIETRICH SERVICEBDR Thermea (Czech republic) s.r.owww.duediclima.itwww.dedietrich.czDistributore Ufficiale EsclusivoDe Dietri

3170513 - 300024112-001-01

1 Introduction1.1 Symbols usedIn these instructions, various danger levels are employed to draw theuser’s attention to particular information. In so d

In the interest of customers, we are continuously endeavouring tomake improvements in product quality. All the specifications stated inthis document a

1.4 Homologations1.4.1. CertificationsCE identification noPIN 0063BQ3009NOx < 60 mg/kWhMCR 24/28 BIC 1. Introduction170513 - 300024112-001-016

2 Safety instructions andrecommendations2.1 Safety instructionsDANGERIf you smell gas:1. Do not use a naked flame, do not smoke, do notoperate electri

2.2 RecommendationsWARNINGOnly qualified professionals are authorised to work on theappliance and the installation.4 Regularly check the water pressur