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Summary of Contents for Demir Dokum Atromix P 20-A/2(H-UA/MD)
- Page 1 Installation and main- tenance instructions Atromix Atromix P 20 … 28 – A/2 (H- UA/MD)
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Page 2: Table Of Contents
Contents Contents Switching on the product ........16 Filling the heating installation ......16 Purging the heating installation ......17 Safety ..............3 Filling the condensate siphon ......17 Action-related warnings ......... 3 7.10 Filling the domestic hot water circuit....17 Intended use ............ -
Page 3: Safety
Safety 1 – compliance with all inspection and main- Safety tenance conditions listed in the instruc- Action-related warnings tions. Classification of action-related warnings Intended use also covers installation in ac- The action-related warnings are classified in cordance with the IP code. accordance with the severity of the possible Any other use that is not specified in these danger using the following warning signs and... -
Page 4: Risk Of Death Due To Explosive And Flammable Materials
1 Safety ▶ Leave the building immediately and ensure 1.3.7 Risk of poisoning caused by that others do not enter the building. insufficient combustion air supply ▶ Alert the police and fire brigade as soon as Condition: Open-flued operation you are outside the building. ▶... -
Page 5: Regulations (Directives, Laws, Standards)
Safety 1 1.3.16 Risk of material damage caused by Condition: Permitted B23P unit types frost with condensate siphon (third-party ac- cessory) ▶ Do not install the product in rooms prone – Water seal level: ≥ 200 mm to frost. 1.3.17 PERICOL! 1.3.12 Risk of injury due to the heavy weight of the product ▶... -
Page 6: Notes On The Documentation
2 Notes on the documentation Notes on the documentation Volume flow sensor Condensate siphon Heating pump Observing other applicable documents ▶ Always observe all the operating and installation instruc- Data plate tions included with the system components. The data plate is mounted on the side of the product at the factory. -
Page 7: Duration Of Storage
Set-up 4 Duration of storage Dimensions – Duration of storage: 2 years from production date Service life If the regulations on transportation, storage, installation and operation are observed, the product's expected service life is 10 years from the date of installation. 3.10 Production date You can find the production date (week, year) in the serial... -
Page 8: Minimum Clearances
4 Set-up Minimum clearances Condition: The load-bearing capacity of the wall is not sufficient ▶ Ensure that wall-mounting apparatus on-site has a suf- ficient load-bearing capacity. Use individual stands or primary walling, for example. ▶ Do not wall-mount the product if you cannot provide wall-mounting apparatus with a sufficient load-bearing capacity. -
Page 9: Installation
Installation 5 Note Caution. If there is sufficient lateral clearance (at least Risk of material damage caused by 70 mm), you can remove the side section to fa- residues in the pipelines. cilitate maintenance or repair work. Welding remnants, sealing residues, dirt or other residues in the pipelines may damage the product. -
Page 10: Preliminary Work
5 Installation ▶ Only solder connectors if the connectors Connecting the drain pipework for the expansion relief valve are not yet screwed to the service valves. Note Apply heat insulation to the water pipes to the boiler outlet and to the installation. Preliminary work 1. - Page 11 Installation 5 5.5.1 Condensate discharge systems 5.5.1.4 Internal drain in a combi sink outflow 5.5.1.1 Internal drain and purging pipe Ø19mm Ø19mm Ø30mm 5.5.1.5 Internal drain below a sink outflow 5.5.1.2 External drain and purging pipe Ø19mm Ø19mm Ø30mm Ø30mm 5.5.1.6 External drain to a soakaway 5.5.1.3 External drain to a gutter or a funnel 500mm min...
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Page 12: Flue Installation
5 Installation 5.5.1.7 External drain to a rainwater drain pipe 5.6.2 Installing the 60/100 mm or 80/125 mm connector Ø19mm Ø30mm Position the connector (1) on the product. Use the four screws to screw the connector in tightly. Flue installation Electrical installation 5.6.1 Installing and connecting the air/flue pipe... - Page 13 Installation 5 5.7.2 Cable route Screw the respective plug to the connection cable. 10. Check whether all conductors are inserted mechanic- ally securely in the terminals of the plug. Remedy this if necessary. 11. Plug the plug into the associated PCB slot. –...
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Page 14: Operation
6 Operation 5.7.5 Connecting controls to the electronics 6.1.2 Setting a diagnostics code Turn the rotary knob to select the diagnostics code. Press the button to confirm. ◁ The value and/or status of the diagnostics code is shown in the display. 24 V Turn the rotary knob to set the value. -
Page 15: Start-Up
Start-up 7 Start-up Treating the filling and supplementary water ▶ Observe all applicable national regulations and technical Checking the installation rules when treating the filling and supplementary water. ▶ Before initial start-up, use the start-up checklist in the ap- Provided the national regulations and technical rules do not pendix to check that the unit has been installed correctly. -
Page 16: Preventing Low Water Pressure
7 Start-up Additives for cleaning measures (subsequent Filling the heating installation flushing required) Flush the heating installation through. – Adey MC3+ – Adey MC5 Condition: Atromix P20, Atromix P24 – Fernox F3 – Sentinel X 300 – Sentinel X 400 Additives intended to remain permanently in the installation –... -
Page 17: Purging The Heating Installation
Start-up 7 Purging the heating installation 7.10 Filling the domestic hot water circuit Before purging the circuit, ensure that the filling pres- Open the water tap to fill the domestic hot water circuit. sure in the heating installation is above the minimum Close the water tap once the appropriate volume of level. -
Page 18: Checking Leak-Tightness
7 Start-up – Setting value for the programme P.01: 100 Check programmes – Overview (→ Page 26) Measure the gas connection pressure against atmo- spheric pressure. Permissible connection pressure Moldova Natural gas 1.0 to 1.7 kPa (10.0 to 17.0 mbar) Note The connection pressure is measured at the gas valve assembly, meaning that the per-... -
Page 19: Adapting The Unit To The Heating Installation
Adapting the unit to the heating installation 8 10 Inspection and maintenance Overview of diagnostics codes (→ Page 26) ◁ If the product is working correctly, the display shows S.14. 10.1 Observing inspection and maintenance intervals ▶ Adhere to the minimum inspection and maintenance in- Adapting the unit to the heating tervals. -
Page 20: Setting The Co₂ Content
10 Inspection and maintenance ▽ 10.5 Removing the gas-air mixture unit The value is not OK; you cannot start up the product. ▶ Note Set the CO₂ content. (→ Page 20) The gas-air mixture unit consists of three main components: 10.4 Setting the CO₂... -
Page 21: Cleaning The Heat Exchanger
Inspection and maintenance 10 10.8 Checking the ignition electrode Disconnect the connection (2) and the earthing cable (1). Remove the fixing screws (3). Carefully remove the electrode from the combustion Remove the gas-air mixture unit (6). chamber. Check that the electrode ends (4) are undamaged. Check the electrode distance. -
Page 22: 10.10 Cleaning The Strainer In The Cold Water Inlet
11 Troubleshooting 10.10 Cleaning the strainer in the cold water inlet If water escapes from the valve of the expansion vessel, you must replace the expansion vessel. Close the main cold water supply line. (→ Page 24) Drain the product on the domestic hot water side. Fill and purge the heating installation. -
Page 23: Preparing The Repair Work
Troubleshooting 11 11.5 Preparing the repair work Switch off the product. Disconnect the product from the electrical installation. Remove the front casing. Close the gas stopcock. Close the service valves in the heating flow and in the heating return. Close the service valve in the cold water pipe. Drain the product if you want to replace water-bearing components of the product. -
Page 24: Replacing The Expansion Vessel
11 Troubleshooting 11.6.5 Replacing the main PCB 12. Remove the ignition electrode (1). 13. Lift the heat exchanger up slightly and remove it to- gether with the condensate tray. 14. Remove the ignition transformer (2). 15. Install the new heat exchanger in reverse order. 11.6.4 Replacing the expansion vessel Open the electronics box. -
Page 25: Completing Repair Work
Decommissioning the product 12 11.6.7 Replacing the expansion relief valve 11.6.9 Replace the pressure sensor Remove the two clips. Pull out the plug. Remove the assembly with the expansion relief valve. Remove the clip. Fit the assembly with the expansion relief valve with Remove the pressure sensor. -
Page 26: Appendix
Appendix Appendix Check programmes – Overview Note Since the programme table is used for various products, some programmes may not be visible for the product in question. Display Meaning P.01 Burner operation on adjustable heat input: The product operates after ignition with the heat input set between "0" (0% = Pmin) and "100" (100% = Pmax). The function is active for 15 minutes. - Page 27 Appendix Setting level Values Default set- Unit Increment, select, explanation Own setting ting Min. Max. ℃ – – d.04 Water temperature in the Current value cylinder adjustable ℃ – – d.05 Determined target heating Current value flow temperature adjustable ℃ –...
- Page 28 Appendix Setting level Values Default set- Unit Increment, select, explanation Own setting ting Min. Max. – d.27 Function of relay 1 (multi- 1 = Circulation pump Adjustable functional module) 2 = External pump 3 = Cylinder charging pump 4 = Extraction hood 5 = External solenoid valve 6 = External fault message 7 = Solar pump (omitted)
- Page 29 Appendix Setting level Values Default set- Unit Increment, select, explanation Own setting ting Min. Max. – – d.65 Maximum burner ignition Current value time adjustable – – – d.66 Activation of the warm off = Function deactivated Adjustable start function for domestic hot on = Function activated water –...
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Page 30: Status Codes - Overview
Appendix Setting level Values Default set- Unit Increment, select, explanation Own setting ting Min. Max. ℃ d.129 Domestic hot water min- Adjustable imum target value (combi boiler) (sys- boiler) Status codes – Overview Note Since the code table is used for various products, some codes may not be visible for the product in question. Status code Meaning Displays in heating mode... -
Page 31: Overview Of Fault Codes
Appendix Status code Meaning S.42 Flue non-return flap closed S.46 Frost protection mode (Comfort): Minimum load S.53 Product in waiting period / operating block function due to water deficiency (flow/return spread too large) S.54 Waiting period: Water deficiency in the circuit (flow/return spread too large) S.76 Maintenance message: Check the water pressure S.88... - Page 32 Appendix Fault code Meaning Possible cause F.32 Fan frost protection function active: Fan Plug on fan not correctly plugged in, multiple plug on PCB not correctly speed outside the tolerance values plugged in, break in cable harness, fan blocked, Hall sensor defective, elec- tronics defective F.49 eBUS fault: Voltage too low...
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Page 33: E Wiring Diagram: Combi Boiler
Appendix Wiring diagram: Combi boiler Burner off RT 24V X106 eBUS – Burner 24V= 230V~ Main PCB Pressure sensor Interface PCB Flow rate sensor Temperature sensor on the heating flow External ignition transformer Temperature sensor on the heating return Heating pump Ionisation and ignition electrode Gas valve assembly Main power supply and connection for 230 V control... -
Page 34: Inspection And Maintenance Work - Overview
Appendix Inspection and maintenance work – Overview The table below lists the manufacturer requirements with respect to minimum inspection and maintenance intervals. If na- tional regulations and directives require shorter inspection and maintenance intervals, you should observe these instead of the intervals listed in the table. -
Page 35: Start-Up Checklist
Appendix Start-up checklist ☐ Natural gas installation conditions ☐ The approval document for the natural gas connection is available ☐ An approval document from the gas supply company is available for the case in which the boiler is replaced (if the gas supply company requests this) ☐... -
Page 36: H Minimum Clearances For The Air/Flue Gas Installation
Appendix ☐ The boiler's condensate discharge pipe is connected to the waste-water pipework via a siphon (the condensate dis- charge pipe must be connected to a closed waste-water system) ☐ The siphon been filled with water ☐ The condensate discharge pipe is correctly connected to the waste-water pipework in order to prevent contact with the end user's skin or other sensitive body parts ☐... -
Page 37: Pipe Lengths For The Air/Flue Pipe
Appendix Minimum dimen- Installation site sions From external or internal corners 200 mm Above floors, roofs or balconies 300 mm From a surface facing a terminal 600 mm From a terminal facing a terminal 1200 mm From an opening in the car port (e.g. door, window) which leads into the dwelling 1200 mm Vertical from a terminal on the same wall 1500 mm... - Page 38 Appendix Atromix P 20 – A/2 Atromix P 24 – A/2 Atromix P 28 – A/2 (H-UA/MD) (H-UA/MD) (H-UA/MD) Maximum heat output 20.0 kW 24.1 kW 27.6 kW Effective output range (P) 5.4 to 21.1 kW 6.3 to 25.4 kW 7.4 to 29.1 kW at 50/30 °C Effective output range (P)
- Page 39 Appendix Atromix P 20 – A/2 Atromix P 24 – A/2 Atromix P 28 – A/2 (H-UA/MD) (H-UA/MD) (H-UA/MD) Nominal efficiency in par- 109.1 % 108.7 % 108.8 % tial load mode (30%) at 40/30 °C NOx class Product dimensions, width 390 mm 390 mm 390 mm...
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Page 40: Index
Index Index If you smell flue gas............... 4 If you smell gas ..............3 Air/flue pipe, connecting ............12 Inspection work ............. 19, 34 Air/flue pipe, installed ............4 Installation site..............4–5 Intended use................3 Air/flue pipe, installing ............12 Automatic air vent.............. - Page 44 Manufacturer/Supplier TÜRK DEMIRDÖKÜM FABRIKALARI A.S. 4 Eylül Mah. Osman Rusçuk Cad. No: 5 ‒ 11300 / Bozüyük ‒ Bilecik www.demirdokum.com.tr 0020301218_01 0020301218_01 ‒ 05.11.2020 © These instructions, or parts thereof, are protected by copyright and may be reproduced or distributed only with the manufacturer's written consent.
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