Vivadens EN Wall-hung gas condensing boilers MCR-P 24/28 BIC User Guide 127686-01
Contents 1 Introduction ................................................................................................4 1.1 Symbols used .......................................................4 1.2 Abbreviations ........................................................4 1.3 General ..................................................................4 1.3.1 1.3.2 1.3.3 1.4 Homologations ......................................................6 1.4.1 2 3 4 Certifications .............................
Contents 4.4 5 6 Reading out measured values ...........................17 Checking and maintenance .....................................................................18 5.1 General instructions ...........................................18 5.2 Periodic checks ..................................................18 5.3 Filling the system ...............................................19 5.4 Bleeding the heating system .............................20 Troubleshooting ..............................
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1. Introduction MCR-P 24/28 BIC 1 Introduction 1.1 Symbols used 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. DANGER Risk of a dangerous situation causing serious physical injury. WARNING Risk of a dangerous situation causing slight physical injury. CAUTION Risk of material damage. Signals important information.
MCR-P 24/28 BIC 1. Introduction In the interest of customers, we are continuously endeavouring to make improvements in product quality. All the specifications stated in this document are therefore subject to change without notice. Our liability as the manufacturer may not be invoked in the following cases: 4 Failure to abide by the instructions on using the appliance. 4 Faulty or insufficient maintenance of the appliance. 4 Failure to abide by the instructions on installing the appliance. 1.3.2.
MCR-P 24/28 BIC 1.4 1. Introduction Homologations 1.4.1.
2. Safety instructions and recommendations MCR-P 24/28 BIC 2 Safety instructions and recommendations 2.1 Safety instructions DANGER If you smell gas: 1. 2. 3. 4. 5. Do not use a naked flame, do not smoke, do not operate electrical contacts or switches ( doorbell, light, motor, lift, etc..). Shut off the gas supply. Open the windows. Evacuate the premises. Call your fitter. DANGER If you smell flue gases: 1. 2. 3. 4. Switch the appliance off. Open the windows. Evacuate the premises. Call your fitter.
MCR-P 24/28 BIC 2.2 2. Safety instructions and recommendations Recommendations WARNING Only qualified professionals are authorised to work on the appliance and the installation. 4 Regularly check the water pressure in the installation (minimum pressure 0,8 bar, recommended pressure between 1,5 and 2,0 bar). 4 Keep the appliance accessible at all times. 4 Never remove or cover labels and rating plates affixed to the appliance.
MCR-P 24/28 BIC 3. Description 3 Description 3.1 General description Wall-hung gas condensing boilers 4 Heating and domestic hot water production with integrated DHW tank. 4 High efficiency heating. 4 Low pollutant emissions. 4 Flue gas discharge via a forced flue, chimney, bi-flow or 3CE type connection. 3.
MCR-P 24/28 BIC 3. Description Pressing on any key will display the current status of the boiler and the current command code. If there is a fault, the corresponding code continues to be displayed.
MCR-P 24/28 BIC 4. Operating the appliance 4 Operating the appliance 4.1 Starting and stopping the boiler 4.1.1. Start the boiler 1. Check the water pressure in the installation. 2. Open the gas valve. 3. Throw the boiler’s ON / OFF switch. 4. The start-up cycle begins. It lasts 2 minutes and cannot be interrupted. During the start-up cycle, the display shows the following information: fK[xx: Software version A000785-A pK[xx: Parameter version The version numbers are displayed alternately. 5.
MCR-P 24/28 BIC 4.2 4. Operating the appliance Changing the settings 4.2.1. Changing the heating temperature If an outside temperature sensor or an OpenTherm control system is fitted, the heating flow temperature is adjusted automatically. In summer, it is possible to reduce the heating flow temperature whilst maintaining comfort. To do this, proceed as follows: 1. Press the D key. The symbol D and the current temperature are displayed. 2. Use the [+] and [-] keys to change the parameter value. 3.
4. Operating the appliance MCR-P 24/28 BIC 4.2.3. Stopping the central heating or activating the Summer mode 1. Press the D key. The symbol D and the current temperature are displayed. 2. Press the key [-] several times until the value 0ff is displayed. 3. To confirm the new value, press the key S. The symbol C appears. 4 4 It also possible to modify this setting using the parameter p3. ¼See chapter: "Other settings", page 15. Domestic hot water production is maintained.
MCR-P 24/28 BIC 4. Operating the appliance 4.2.4. Changing the domestic hot water temperature 1. Press the N key. The symbol N and the current temperature are displayed. 2. Use the [+] and [-] keys to change the parameter value. 3. To confirm the new value, press the key S. It also possible to modify this setting using the parameter p2. ¼See chapter: "Other settings", page 15.
4. Operating the appliance MCR-P 24/28 BIC 4.2.5. Stopping domestic hot water production 1. Press the N key. The symbol N and the current temperature are displayed. 2. Press the key [-] several times until the value 0ff is displayed. 3. To confirm the new value, press the key S. The symbol T appears. It also possible to modify this setting using the parameter p3. ¼See chapter: "Other settings", page 15. GA, Ajj T000142-A 4.2.6.
4. Operating the appliance MCR-P 24/28 BIC To change these parameters, proceed as follows: 1. Press key f several times until the symbol W flashes on the menu bar. 2. Press the S key to enter the "User" menu. The symbol p[1 appears. 3x 3. Use the + and - keys to select to parameter to be changed. 4. Press the S key to display the parameter value selected. 5. Use the + and - keys to change the parameter value. 6. To confirm the new value, press the key S. The name of the modified parameter is displayed.
4. Operating the appliance MCR-P 24/28 BIC If the temperature of the central heating water in the boiler falls too much, the integrated protection device switches itself on: 4 If the water temperature is lower than 7°C, the circulating pump is activated. 4 If the water temperature is lower than 3°C, the boiler is activated. 4 When the water temperature is above 10 °C, the boiler is switched off and the circulation pump runs for another 15 minutes.
MCR-P 24/28 BIC 5. Checking and maintenance 5 Checking and maintenance 5.1 General instructions CAUTION 4 An annual inspection is compulsory. 4 We recommend taking out a maintenance contract. 4 Maintenance operations must be done by a qualified engineer. Only original spare parts must be used. 4 4 4 4 5.2 Make certain that the flues and chimneys are connected, in good condition and not blocked. Do not modify nor block the condensate outlet(s).
MCR-P 24/28 BIC 5. Checking and maintenance 4 Clean the outside of the boiler using a damp cloth and a light detergent. CAUTION Only a qualified professional is authorised to clean the inside of the boiler. 5.3 Filling the system The water pressure in the boiler must be between 1,5 and 2 bar. Add water to the installation if necessary. To do this, proceed as follows: 1. Open the valves on all radiators connected to the heating system. 1 2 3 4 T000181-B 2.
5. Checking and maintenance MCR-P 24/28 BIC 4. Wait until the temperature drops below 40°C and the radiators seem cold before filling the central heating system. T000185-A 5. 6. 7. 8. 9. Open the valve. Close the valve. After filling the installation, switch the boiler on. Set the room thermostat or the regulator. Set the radiator valves. CAUTION Filling and bleeding the installation 2 times a year should be sufficient to obtain an adequate hydraulic pressure.
5. Checking and maintenance MCR-P 24/28 BIC 4. Switch the boiler off. T000155-A 5. Wait around 10 minutes until the radiators are cold. T000185-A 6. Bleed the radiators. Start with the lower floors. 5 3 4 1 2 T000216-A 7. Open the bleed connection using the bleed key provided whilst keeping a rag pressed against the connection.
MCR-P 24/28 BIC 5. Checking and maintenance 8. Wait until water comes out of the bleed valve and then close the bleed connection. CAUTION The water may still be hot. T000218-A 1,5 ... 2 bar 9. After venting, check whether the pressure in the installation is still sufficient. Add water to the installation if necessary. 10.Switch on the boiler. A vent cycle of a duration of around 3 minutes is carried out automatically. T000228-A 11.Set the room thermostat or the regulator.
MCR-P 24/28 BIC 6. Troubleshooting 6 Troubleshooting 6.1 Error codes 6.1.1. e01 - e02 - e07 - e09 T004115-A If one of the breakdown codes opposite is dispayed, check the hydraulic pressure: Case 1: Pressure higher than or equal to 1 bar A000781-A 4 Press the RESET key to reset the appliance. Wait a few seconds. - If the display shows 0, the boiler is again operating normally. - If the display again shows e1, e2 or e7, contact the installer.
MCR-P 24/28 BIC 6. Troubleshooting 6.1.4. Before contacting the installer Before contacting the installer Note the following information on the appliance’s rating plate: 4 Type of gas used 4 Boiler type 4 Manufacturing date 4 Serial no. of the appliance T000258-A 6.2 Incidents and solutions Problem Probable causes The boiler is not switched on. Solution 4 Check that the boiler is switched on. 4 Check the fuses and switches. 4 Check that the gas valve is fully opened. Activate the DHW mode.
6. Troubleshooting Problem MCR-P 24/28 BIC Probable causes Solution The heating temperature setting is too low. Increase the value of parameter p1 or, if a room thermostat is connected, increase the temperature. The boiler is not switched on. The boiler is not working. The water pressure is too low (< 1 bar). An error code appears on the display. The gas pressure is too low. The water pressure is too low (< 1 bar). Significant variations in domestic hot water temperature.
MCR-P 24/28 BIC 7. Technical specifications 7 Technical specifications 7.1 Technical specifications MCR-P BIC Boiler Heating mode Nominal useful output 40/30 (min / max) kW 6.3 /25.3 Nominal useful output 80/60 (min / max) kW 5.5 / 23.6 Nominal input power kW 24 Minimum input power kW 5.8 Nominal useful output kW 27.4 Nominal input power kW 28 Minimum input power kW 5.8 Gas flow rate at nominal output (15 °C 1013 mbar) Natural gas H (G20) m3/h 2.4 Propane (G31) Kg/h 1.
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8. Energy savings MCR-P 24/28 BIC 8 Energy savings 8.1 Energy savings This chapter contains: 4 Energy-saving advice 4 Advice on setting the room thermostat correctly 8.1.1. Energy-saving advice 4 Keep the room in which the boiler is installed well ventilated. Do not block ventilation outlets. Install reflective panels behind the radiators to prevent heat losses. 4 Do not cover the radiators. Do not hang curtains in front of the radiators.
8. Energy savings MCR-P 24/28 BIC 4 If you are using an ON/OFF type thermostat, reduce the water temperature value (p1) in summer (e.g. 60 in summer and 80 in winter). 4 When setting an hourly programmable thermostat, keep in mind the days you are absent or on vacation.
9. Warranty MCR-P 24/28 BIC 9 Warranty 9.1 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. 9.
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MCR-P 24/28 BIC 060513 - 127686-01 9.
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