EG declaration of conformity The device complies with the standard type described in the EG declaration of conformity. It was manufactured and commissioned in accordance with European directives. The original of the declaration of compliance is available from the manufacturer.
Contents Introduction ....................6 Symbols used ............6 Abbreviations ............6 General ..............6 1.3.1 Manufacturer’s liability ..........6 1.3.2 Installer’s liability .............7 1.3.3 User’s liability ............7 Homologations ............8 1.4.1 Certifications ............8 1.4.2 Additional Directives ..........8 Safety instructions and recommendations ..........9 Safety instructions ..........9 Recommendations ..........9 Technical description ................11 General description ..........11 Main parts ............11...
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Contents Main dimensions ..........18 Installing the mounting frame ......19 Positioning the boiler .........19 Hydraulic connections ........20 4.6.1 Flushing the system ..........20 4.6.2 Water flow rate ............20 4.6.3 Connection of the heating circuit ......21 4.6.4 Connection of the water circuit for domestic use ................21 4.6.5 Connecting the expansion vessel ......21...
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Finalizing work ............44 Reading out measured values ......44 5.6.1 Status and sub-status ...........44 Changing the settings ........45 5.7.1 Parameter descriptions .........46 5.7.2 Setting the maximum heat input for central heating operation ...............48 Switching off the boiler ................49 Installation shutdown .........49 Antifreeze protection ..........49 Checking and maintenance ..............50 General instructions ...........50...
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Contents Spare parts ....................67 General ..............67 Spare parts ............67 9.2.1 Casing ..............69 9.2.2 Heat exchanger .............70 9.2.3 Gas/air system ............71 9.2.4 Connection box .............72 9.2.5 Hydraulic unit/Connecting pipes ......73 9.2.6 Spare parts list ............74 Appendix ....................76 10.1 User instruction card ..........76 210212 - 7601972-03...
1. Introduction EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI Introduction 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.
EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 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.
1. Introduction EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI Homologations 1.4.1. Certifications CE identification no PIN 0063CM3019 NOx classification 5 (Standards EN) Type of connection Chimney: B Flue gas outlet: C 13(x) 33(x) 43(x) 63(x) 83(x) 93(x) 1.4.2.
EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 2. Safety instructions and recommendations Safety instructions and recommendations Safety instructions DANGER If you smell gas: Do not use a naked flame, do not smoke, do not operate electrical contacts or switches ( doorbell, light, motor, lift, etc..).
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2. Safety instructions and recommendations EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI Only remove the casing for maintenance and repair operations. Put the casing back in place after maintenance and repair operations. Instructions stickers The instructions and warnings affixed to the appliance must never be removed or covered and must remain legible during the entire lifespan of the appliance.
4 EMC-M 24: Heating only (Possibility of producing domestic hot water via an independent tank which has been installed separately). 4 EMC-M 24/28 MI - 30/35 MI - 34/39 MI: Heating and domestic hot water production. Main parts Flue gas outlet/Air intake...
EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 3. Technical description 3.4.2. Protection against a shortage of water The boiler is fitted with a safety device to prevent the shortage of water based on temperature measurements. By reducing its output when the water flow rate is in danger of becoming insufficient, the boiler continues to operate as long as possible.
3. Technical description EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI EMC-M 30/35 MI - 34/39 MI Manometric height central heating circuit 30 kW Water flow ( ΔT=20K) 35 kW 1000 1200 1400 1600 1250 1500 Q (l/h)
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EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 3. Technical description Boiler type EMC- M 24/28 MI 30/35 MI 34/39 MI Gas inlet pressure G20 (Gas H) minimum- mbar 17 - 30 17 - 30 17 - 30...
4. Installation EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI Installation Regulations governing installation WARNING Installation of the appliance must be done by a qualified engineer in accordance with prevailing local and national regulations. Choice of the location 4.2.1.
EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 4. Installation WARNING Fix the appliance to a solid wall capable of bearing the weight of the appliance when full of water and fully equipped. Do not place the appliance above a heat source or a cooking appliance.
4. Installation EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI Main dimensions = 117 = 184 = 251 = 316 R000354-A Connection of the combustion gas exhaust pipe; Ø 60 mm Connection of the air intake pipe; Ø 100 mm ê...
EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 4. Installation Installing the mounting frame 1. Drill 2 holes with Ø 10 mm for the lower part of the mounting frame. Put the plugs in place. CAUTION Make sure that all the drill holes are level.
4. Installation EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 3. Position the boiler above the plumbing fixtures plate and locate it against the mounting frame. Gently lower the boiler. Mount the boiler using the suspension bracket on the back of the boiler.
EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 4. Installation 4.6.3. Connection of the heating circuit 1. Connect the heating water return pipe to the heating return connection z . 2. Connect the heating water outlet pipe to the heating flow connection { .
4. Installation EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI Initial pressure of the Volume of the expansion vessel depending on the volume of the installation (in litres) expansion vessel > 300 0.5 bar 12,0 14,4 Volume of the installation x 0,048...
EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 4. Installation 4.6.7. Automatic air bleed Check that the automatic bleed valve is open: This is visible on the right on top of the boiler. If necessary, the air vent can be closed off with the cap that can be found next to it.
4. Installation EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI Flue gas system connections 4.8.1. Classification B 33 C 83(x) C 33(x) C 43(x) C 83(x) C 43(x) B 23P B 33 C 33(x) C 13(x) C 83(x)
EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 4. Installation Configuration C 93(x) Air/flue gas connection by concentric pipes in the boiler room and single pipes in the chimney (combustive air in counter current in the chimney)
4. Installation EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI WARNING Maximum length = lengths of the straight air/flue gas ducts + equivalent lengths of other components The max length in the flue gas pipe (configurations C...
EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 4. Installation Electrical connections 4.9.1. Control unit The boiler is not line- and neutral sensitive. The control unit is fully integrated with the fan, venturi and gas block. The boiler is fully pre- wired.
4. Installation EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI CAUTION Separate the sensor cables from the 230 V cables. Outside the boiler: Use 2 pipes or cable guides at least 10 cm apart. 4.9.3. PC/Laptop connection...
EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 4. Installation 4.9.5. Access to the connector block The connection box with instrument panel is supplied separately as standard with this unit. The connection box must be connected to the automatic control unit using the cable supplied.
4. Installation EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 4 Connect the two-wire cable to terminals On/off-OT of the connector. 4 The boiler can also be put into operation without a controller. To do so, connect the bridge (supplied) to the terminals On/off-OT of the connector.
EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 4. Installation n Connect frost protection Frost protection in combination with on/off thermostat If an on/off thermostat is used, it is advisable to protect any rooms where there is risk of frost by using a frost thermostat. The radiator valve in a room where there is a risk of frost must, however, be open.
4. Installation EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI - No = Domestic hot water - C = Phase on n Connect on/off contact (Enable) A 10-230 V signal can be connected to the CH and DHW connectors to switch the production of heating water or sanitary warm water on or off.
EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 4. Installation 4.11.3. Filling the system CAUTION Before filling, open the valves on every radiator in the installation. Ensure that the boiler is switched off. T000181-B 1. Open the central heating shut-off valves underneath the boiler.
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4. Installation EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 6. Bleed the radiators. Start with the lower floors. R000347-A 7. Open the bleed connection using the bleed key provided whilst keeping a rag pressed against the bleed connection.
EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 5. Commissioning Commissioning Connection box 5.1.1. Control panel Sanitary hot water temperature rotary knob Heating water temperature rotary knob Sweep key B and Status signals RESET-button and on/off signal...
5. Commissioning EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI Check points before commissioning 5.2.1. Preparing the boiler for commissioning WARNING Do not put the boiler into operation if the supplied gas is not in accordance with the approved gas types.
EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 5. Commissioning Commissioning the boiler WARNING Initial commissioning must be done by a qualified professional. CAUTION On first firing the boiler, a smell may be present for a short period.
5. Commissioning EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI Gas settings 5.4.1. Gas circuit WARNING Ensure that the boiler is switched off. 1. Remove the front panel. ¼ See paragraph: "Open the boiler", page 50 2. Check that the boiler is properly set for the type of gas used (See the identification plate on top of the boiler ).
EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 5. Commissioning n For conversion to propane 4 Set the volume flow of the fan as indicated in the parameter table (if required). The setting can be modified using parameters p17, p18, p19 and p20.
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5. Commissioning EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 3. Set the boiler to full load: Continue pressing for around 3 seconds on the B key. The status signal for the B button is orange and always flashes green briefly;...
EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 5. Commissioning 5.4.4. Setting the air/gas ratio (Part load) 1. Unscrew the plug of the flue gas measurement point. 2. Connect the flue gas analyser. WARNING Ensure that the opening around the sensor is completely sealed when taking measurements.
5. Commissioning EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI / CO control and setting values at part load for G31 (Propane) EMC-M 24/28 MI 5,8 ± 0,3 9,9 ± 0,1 5,8 ± 0,5 9,9 ± 0,3 EMC-M 30/35 MI 5,8 ±...
EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 5. Commissioning State 5t Sub-status 5v Burner start 10 Open flue gas damper/external gas valve 11 Increase fan speed 13 Pre-ventilation 14 Wait for release signal 15 Burner on...
5. Commissioning EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI Factory setting Parameter Description Adjustment range EMC-M 24/28 MI 30/35 MI 34/39 MI Flue gas damper running time 0 to 255 seconds 0 = Operation signal Fault relay function...
EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 6. Switching off the boiler Switching off the boiler Installation shutdown If the central heating system is not used for a long period, we recommend switching the boiler off.
7. Checking and maintenance EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI Checking and maintenance General instructions WARNING Maintenance operations must be done by a qualified engineer. An annual inspection is compulsory. Only original spare parts must be used.
EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 7. Checking and maintenance 2. Remove the front panel. R000405-A 7.2.2. Checking the hydraulic pressure The hydraulic pressure must reach a minimum of 0,8 bar. If necessary, top up the water level in the heating system (recommended hydraulic pressure between 1,5 and 2 bar).
7. Checking and maintenance EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 7.2.6. Checking the flue gas discharge and the air supply Check the tightness of the flue gases evacuation and air inlet connections. R000406-A 7.2.7. Checking combustion...
EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 7. Checking and maintenance 7.2.9. Checking the siphon CAUTION First remove the front housing of the boiler so that you can disconnect the syphon. 1. Move the lever underneath the hydroblock to the right to disconnect the syphon.
7. Checking and maintenance EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 7.2.10. Checking the burner and cleaning the heat exchanger CAUTION During inspection and maintenance operations, always replace all gaskets on the parts removed. 1. Close the gas valve of the boiler. Ensure that the boiler is switched off.
EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 7. Checking and maintenance Specific maintenance operations WARNING Ensure that the boiler is switched off. CAUTION During inspection and maintenance operations, always replace all gaskets on the parts removed.
7. Checking and maintenance EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 7.3.2. Replacing the 3-way valve If it becomes necessary to replace the 3-way valve, proceed as follows: 1. Close the main water valve. 2. Drain the boiler.
EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 7. Checking and maintenance If descaling of the plate exchanger is necessary, proceed as follows: 1. Ensure that the boiler is switched off. 2. Close the gas valve of the boiler.
7. Checking and maintenance EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI n Removing the front of the boiler 1. Disconnect the flue gas discharge and air flow pipes from the boiler. 2. Remove the connection box.
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EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 7. Checking and maintenance 7. Check the setting of the gas/air ratio and, if necessary, correct it. ¼ See chapter: "Setting the air/gas ratio (Full load)", page 41 ¼ See chapter: "Setting the air/gas ratio (Part load)", page...
8. Troubleshooting EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI Troubleshooting Error codes Sanitary hot water temperature rotary knob Heating water temperature rotary knob Sweep key B and Status signals RESET-button and on/off signal T002247-D The status signal for the B button can flash in a range of colours and at different frequencies.
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EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 8. Troubleshooting The boiler starts up again automatically when the reason for the blocking has been removed. The shutdown codes from the status signals are related to the shutdown codes that can be read by a service tool. The meaning of...
8. Troubleshooting EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI Shutdown Description Probable causes Checking / solution code Configuration fault or parameters df-dV Reset df and dV Reset df and dV 5v[19 unknown Configuration procedure Active for a short time after...
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EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 8. Troubleshooting Lock out (Status signals) Status signals Description Probable causes Checking / solution Check the wiring Sensor not or badly Check that the sensors are operating correctly connected...
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8. Troubleshooting EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI Lock out (Error code - e[KK) Error Description Probable causes Checking / solution code Storage unit PSU e[00 Bad connection Check the wiring parameter not found Bad connection...
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EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 8. Troubleshooting Lock out (Error code - e[KK) Error Description Probable causes Checking / solution code Vent the air in the heating system Check the water pressure No circulation...
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8. Troubleshooting EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI Lock out (Error code - e[KK) Error Description Probable causes Checking / solution code Purge the gas supply to remove air Check that the gas valve is fully opened...
EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 9. Spare parts Spare parts General When it is observed subsequent to inspection or maintenance work that a component in the appliance needs to be replaced, use only original spare parts or recommended spare parts and equipment.
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9. Spare parts EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 210212 - 7601972-03...
EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 9. Spare parts 9.2.1. Casing 1003 1003 1003 1001 1002 1003 1003 1002 1003 EV 90852-1 EV 90855-1 EV 90865-1 T800236-A 210212 - 7601972-03...
EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 9. Spare parts 9.2.3. Gas/air system 3001 3002 3003 3004 3003 3003 EV 90852-3 EV 90855-3 EV 90865-3 T800238-A 210212 - 7601972-03...
9. Spare parts EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 9.2.4. Connection box 4001 4004 4003 4005 4002 4006 4003 EV 90852-4 EV 90855-4 EV 90865-4 T800239-A 210212 - 7601972-03...
9. Spare parts EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 9.2.6. Spare parts list Casing Markers Code no. Description -- -- -- -- -- -- -- -- -- -- -- - -- -- -- -- -- -- Part M 24 M 24/28 MI M 30/35 MI M 34/39 MI...
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EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 9. Spare parts Hydraulics Markers Code no. Description -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- Part M 24 M 24/28 MI M 30/35 MI M 34/39 MI...
10. Appendix EMC-M 24 EMC-M 24/28 MI EMC-M 30/35 MI EMC-M 34/39 MI 10 Appendix 10.1 User instruction card R000392-A Group Signal Meaning Boiler in service Central heating heat (Intermittent green signal) Hot tap water Code A Maintenance message (Flashing orange signal)
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