Ireland Innovens EN Wall-hung gas condensing boilers MCA 15 - MCA 25 MCA 25/28 MI User Guide 300024159-001-B
Contents 1 Introduction ................................................................................................4 1.1 Symbols used .......................................................4 1.2 Abbreviations ........................................................4 1.3 General ..................................................................5 1.3.1 1.3.2 1.3.3 1.4 2 3 Certifications .........................................................6 Safety instructions and recommendations .........
Contents 5 6 7 4.4 Installation shutdown .........................................24 4.5 Frost protection ..................................................24 Checking and maintenance .....................................................................25 5.1 General instructions ...........................................25 5.2 Periodic checks ..................................................25 5.3 Filling the system ...............................................26 5.
3 23/08/2011 - 300024159-001-B
1. Introduction MCA 15 - MCA 25 MCA 25/28 MI 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.
MCA 15 - MCA 25 MCA 25/28 MI 1. Introduction 1.3 General 1.3.1. Manufacturer's liability Our products are manufactured in compliance with the requirements of the various applicable European Directives. They are therefore delivered with [ marking and all relevant documentation. 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.
MCA 15 - MCA 25 MCA 25/28 MI 1. Introduction This appliance is not intended to be used by persons (including children) whose physcial, sensory or mental capacity is impaired or persons with no experience or knowledge, unless they have the benefit, through the intermediary of a person responsible for their safety, of supervision or prior instructions regarding use of the appliance. Care should be taken to ensure that children do not play with the appliance. 1.
2. Safety instructions and recommendations MCA 15 - MCA 25 MCA 25/28 MI 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.
MCA 15 - MCA 25 MCA 25/28 MI 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 bar). 4 Keep the appliance accessible at all times. 4 Never remove or cover labels and rating plates affixed to the appliance.
MCA 15 - MCA 25 MCA 25/28 MI 3. Description 3 Description 3.1 Operating principle 3.1.1. Gas/air setting The casing fitted to the boiler is also used as an air box. Air is sucked in by the fan and gas injected into the venturi by the fan intake. The fan rotation speed is set according to the settings parameters, the thermal energy requirement and the temperatures measured by the temperature sensors. The gas and air are mixed in the venturi.
MCA 15 - MCA 25 MCA 25/28 MI 3.2 3.
3. Description 3.3 MCA 15 - MCA 25 MCA 25/28 MI Control panel Description of the keys A000866-A 3.3.1.
MCA 15 - MCA 25 MCA 25/28 MI 3. Description 3.3.2.
3. Description MCA 15 - MCA 25 MCA 25/28 MI n Operating modes 0 2 4 6 8 10 12 14 16 18 20 22 p Summer mode: The heating is off.
3. Description MCA 15 - MCA 25 MCA 25/28 MI n Domestic Hot Water override A bar is displayed when a DHW override is activated: 0 2 4 6 8 10 12 14 16 18 20 22 24 4 Flashing bar: Temporary override 4 Steady bar: Permanent override bar r j M C002707-A p b AUTO x c g m t STD n Other information 0 2 4 6 8 10 12 14 16 18 20 22 r The symbol is displayed when domestic hot water production is running.
3. Description 0 v bar c 1 2 MCA 15 - MCA 25 MCA 25/28 MI 4 6 8 10 12 14 16 18 20 CURRENT PROG.C "Choice of the timeprogram applied C" 22 24 a P4 2 1 2 r p b AUTO x c g m ( ' r j 5. To modify the parameter, turn the rotary button. 6. To confirm, press the rotary button. To cancel, press key h. L t STD C002222-C-04 7. To go back to the main display, press key j2 times.
MCA 15 - MCA 25 MCA 25/28 MI 4. Operating the boiler 4 Operating the boiler 4.1 Commissioning the boiler 1. Check the water pressure in the installation shown on the control panel display. If the water pressure is lower than 0,8 bar, more water should be added. If necessary, top up the water level in the heating system (recommended hydraulic pressure between 1,5 and 2,0 bar). ¼ See chapter: "Filling the system", page 26 2. Open the gas valve on the boiler. 3. Turn on the boiler using the on/off switch.
4. Operating the boiler MCA 15 - MCA 25 MCA 25/28 MI User level - #MEASURES menu Parameter Description Unit OUTSIDE TEMP. Outside temperature °C ROOMTEMP. A (1) Room temperature of circuit A °C ROOMTEMP. B (1) Room temperature of circuit B °C (1) Room temperature of circuit C °C BOILER TEMP. Water temperature in the boiler °C PRESSURE Water pressure in the installation bar Water temperature in the DHW tank °C Instant hot water temperature °C ROOMTEMP. C WATER TEMP.
MCA 15 - MCA 25 MCA 25/28 MI 4.3 4. Operating the boiler Changing the settings 4.3.1. Setting the set point temperatures To set the various heating, DHW and swimming pool temperatures, proceed as follows: 1. Press the C 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. 4. To modify the parameter, turn the rotary button. 5. To confirm, press the rotary button.
4. Operating the boiler MCA 15 - MCA 25 MCA 25/28 MI 4.3.2. Selecting the operating mode To select an operating mode, proceed as follows: 1. Press the MODE 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. 4. To modify the parameter, turn the rotary button. 5. To confirm, press the rotary button. MODE To cancel, press key h.
MCA 15 - MCA 25 MCA 25/28 MI 4. Operating the boiler 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. 4. To modify the parameter, turn the rotary button. 5. To confirm, press the rotary button. MODE To cancel, press key h.
4. Operating the boiler MCA 15 - MCA 25 MCA 25/28 MI 4.3.5. Setting the time and date 1. To access user level: Press the > key. 0 2 4 6 8 10 12 14 16 18 20 22 24 2. Select the menu #TIME .DAY. SUNDAY 11:45 v bar c Turn the rotary button to scroll through the menus or modify a value. 4 Press the rotary button to access the menu selected or confirm a value modification. ¼ For a detailed explanation of menu browsing, refer to the chapter: "Browsing in the menus", page 14.
4. Operating the boiler MCA 15 - MCA 25 MCA 25/28 MI 4. Assign the desired timer programme (P1 to P4) to the circuit with the rotary button. 4.3.7. Customising a timer programme 1. To access user level: Press the > key. 0 2 4 6 8 10 12 14 16 18 20 22 2. Select the menu #TIME PROGRAM. 24 SUNDAY 11:45 v c bar Turn the rotary button to scroll through the menus or modify a value. 4 Press the rotary button to access the menu selected or confirm a value modification.
4. Operating the boiler MCA 15 - MCA 25 MCA 25/28 MI 06:00 0 v bar c 1 2 4 6 8 10 12 14 16 18 PROG P2 C Mo Tu We Th Fr Set the time program. 20 22 24 a 06:00 Sa Su 2 1 2 r p b AUTO x c g m ( ' r STD j L t 8. To define the timer ranges for the comfort mode and reduced mode: Turn the rotary button to the left until 0:00 is displayed. The first segment of the graphic bar for the timer programme flashes. 9.
4. Operating the boiler MCA 15 - MCA 25 MCA 25/28 MI User level - Menu #TIME PROGRAM Day Comfort periods / Filling enabled: P1 P2 _______________ P3 _______________ P4 _______________ _______________ TIME PROG.AUX Monday Tuesday Wednesday Thursday Friday Saturday Sunday 4.4 Installation shutdown CAUTION Do not switch off the boiler. If the central heating system is not used for a long period, we recommend activating the HOLIDAYS mode. 4.
MCA 15 - MCA 25 MCA 25/28 MI 5. Checking and maintenance 5 Checking and maintenance 5.1 General instructions The boiler does not require a lot of maintenance. Nevertheless, we recommend having the boiler inspected and serviced at regular intervals. 4 Maintenance and cleaning of the boiler must be carried out at least once a year by a qualified technician. 4 Have the flues swept at least once a year or more, depending on the regulations in force in your country.
MCA 15 - MCA 25 MCA 25/28 MI 5. Checking and maintenance 4 Open and close the radiator valves several times a year (this prevents the valves from seizing up). 4 Clean the outside of the boiler using a damp cloth and a light detergent. 1 2 CAUTION 3 4 T000181-B 5.3 Only a qualified professional is authorised to clean the inside of the boiler. Filling the system 1. Check the water pressure in the installation shown on the control panel display.
MCA 15 - MCA 25 MCA 25/28 MI 5. Checking and maintenance 6. Open the disconnector valves. 2 1 T001618-A 7. Close the disconnector valves when the manometer indicates a pressure of 2 bar. 2 bar When water is added, air gets into the heating system. Degas the installation. After the air has been vented, the water pressure can drop below the required level. Check the water pressure in the heating system. If the water pressure is lower than 0,8 bar, more water should be added. 1 2 T001619-A 8.
MCA 15 - MCA 25 MCA 25/28 MI 5. Checking and maintenance 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 T000854-A 7. Open the bleed connection using the bleed key provided whilst keeping a rag pressed against the connection.
MCA 15 - MCA 25 MCA 25/28 MI 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. 9. Switch on the boiler. A vent cycle of a duration of around 3 minutes is carried out automatically. 10.After venting, check whether the pressure in the installation is still sufficient. If the water pressure is lower than 0,8 bar, more water should be added.
MCA 15 - MCA 25 MCA 25/28 MI 5. Checking and maintenance 4. Connect an evacuation hose to the plug located at the lowest level. Place the end of the hose in a discharge sump or in a place where the water discharged from the valve can not do any damage. 5. Open the filling/draw-off valve on the heating system. Vent the heating installation. WARNING The water may still be hot. T000858-A 23/08/2011 - 300024159-001-B 6. When no more water comes out of the drainage plug, close the drainage valve.
6. Troubleshooting MCA 15 - MCA 25 MCA 25/28 MI 6 Troubleshooting 6.1 Anti-hunting When the boiler is in Anti-short-cycle operating mode, the symbol ? flashes. 1. Press the "?" key. The message Operation assured when the restart temperature will be reached is displayed. When the restart temperature is reached, operation will be guaranteed. This message is not an error message but an item of information. 6.
MCA 15 - MCA 25 MCA 25/28 MI 6. Troubleshooting Code Messages Description Checking / solution B08 The RL inlet on the PCU PCB terminal block is open Parameter error BL.
MCA 15 - MCA 25 MCA 25/28 MI 6. Troubleshooting Code Messages Description Checking / solution M04 A service is required The date programmed for the service has been reached REVISION If the symbol ? flashes, press key ?. The installer's contact details are displayed.
MCA 15 - MCA 25 MCA 25/28 MI 6. Troubleshooting Code Faults Cause of the fault Description Checking / solution L00 PCU PSU PCB not connected Bad connection PSU PCB faulty PSU FAIL Contact the professional who takes care of maintenance of the appliance The safety parameters are incorrect Bad connection PSU PCB faulty 4 L01 PSU PARAM FAIL PCU Contact the professional who takes care of maintenance of the appliance Bad connection Sensor fault 4 L02 DEF.OUTLET S.
6.
MCA 15 - MCA 25 MCA 25/28 MI 6.
6. Troubleshooting MCA 15 - MCA 25 MCA 25/28 MI Code Faults Cause of the fault Description Checking / solution D03 D04 OUTL S.B FAIL. OUTL S.C FAIL. SCU Circuit B flow sensor fault Bad connection Circuit C flow sensor fault Sensor fault Remarks: 4 Contact the professional who takes care of The circuit pump is running. maintenance of the appliance The 3-way valve motor on the circuit is no longer powered and can be adjusted manually. D05 OUTSI.S.FAIL.
MCA 15 - MCA 25 MCA 25/28 MI 6. Troubleshooting Code Faults Cause of the fault Description Checking / solution D27 PCU COM. FAIL SCU Communication failure between the SCU and PCU PCBs D29 IOBL.
7. Technical specifications MCA 15 - MCA 25 MCA 25/28 MI 7 Technical specifications 7.
8. Energy savings MCA 15 - MCA 25 MCA 25/28 MI 8 Energy savings 8.1 Energy-saving advice 4 Keep the room in which the boiler is installed well ventilated. 4 Do not block ventilation outlets. 4 Do not cover the radiators. Do not hang curtains in front of the radiators. 4 Install reflective panels behind the radiators to prevent heat losses. 4 Insulate the pipes in rooms that are not heated (cellars and lofts). 4 Close the radiators in rooms not in use. 4 Do not run hot (or cold) water pointlessly.
9. Warranty 9 Warranty 9.1 General MCA 15 - MCA 25 MCA 25/28 MI 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.
MCA 15 - MCA 25 MCA 25/28 MI 23/08/2011 - 300024159-001-B 9.
DE DIETRICH THERMIQUE S.A.S. www.dedietrich-thermique.fr FR Direction des Ventes France 57, rue de la Gare F- 67580 MERTZWILLER +33 (0)3 88 80 27 00 +33 (0)3 88 80 27 99 NEUBERG S.A. www.dedietrich-heating.com DE DIETRICH REMEHA GmbH www.dedietrich-remeha.de DE Rheiner Strasse 151 D- 48282 EMSDETTEN +49 (0)25 72 / 23-5 +49 (0)25 72 / 23-102 info@dedietrich.de LU DE DIETRICH www.dedietrich-otoplenie.ru VAN MARCKE www.vanmarcke.
