Related Manuals for Warmhaus EWA 2525C
Summary of Contents for Warmhaus EWA 2525C
- Page 1 EWA 2525C 25 kW EWA 2530C 30 kW CONDENSING COMBI BOILERS INSTALLATION & SERVICE MANUAL...
- Page 3 warmhaus.co.uk...
- Page 4 The Benchmark Scheme Warmhaus is a licensed member of the Benchmark Scheme which aims to improve the standards of installation and commissioning of domestic heating and hot water systems in the UK and to encourage regular servicing to optimise safety, e ciency and performance.
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Page 5: Table Of Contents
External Control Connection / SPlan Wiring Diagram ........30 (for combi boilers only) ..............55 3.16.4. External Control Connection / YPlan Wiring Diagram ........31 5.18. Electrode Positioning For 25, 30 kW & Single Elektrode ...56 COMMISSIONING ................32 FAULT FINDING & SOLUTIONS ............58 warmhaus.co.uk... -
Page 6: Introduction
This safety warning indicates “DANGER Risk of Electric Warmhaus. Shock”. • Do not modify our flue system, and always use only the Warmhaus approved flue with this appliance. CAUTION • Ensure Warmhaus original flue components including seals and gaskets are used for the installation of this appliance. - Page 7 Installation of gas fired boilers of rated input up to 70 kW (net) BS7671 IET Wiring Regulations WARMHAUS A.Ş. reserves the right to make all kinds of technical and commercial amendments without giving information and rejects all responsibilities depending on misspelling. 1015...
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Page 8: Technical Specification
725 x 420 x 288 Net Weight 32.6 32.5 Packaged Weight 33.8 34.7 Clearances Above Casing Clearances Below Casing Clearances Front - Operational Clearances Front - Servicing Clearances Right Hand Side Clearances Left Hand Side Sound Level NOx Classification Class warmhaus.co.uk... -
Page 9: Product Identification
Boiler Plus e.g. Smart stat, Boiler Plus compliant room/programmable room stat. TRVs should also be installed in a minimum of sleeping areas and as best practice on all radiators with the exception of the room or area where the room thermostat is installed. warmhaus.co.uk... -
Page 10: Pre-Installation
2. PRE-INSTALLATION 2.1. Packing Contents The Warmhaus Boiler is supplied in a box which contains the materials listed below: 150.11.014.000002.A Installation Scheme (Figure 2.1) II. User’s Guide (Figure 2.2) 150.11.014.000001 150.11.014.000001.G IV. Hanger Plate (Figure 2.3) 150.11.014.000002.G 150.11.606.000078 V. Mounting Pipe Kit (Figure 2.4) 422 mm 可... -
Page 11: Location Of Boiler / Clearance
Installations in rooms containing baths or showers Warmhaus Ewa Combi Boiler has an IPX5D rating Any switch or appliance external controls using mains electricity should not be in reach of any person using a bath or shower. -
Page 12: System Requirements
warmhaus.co.uk... -
Page 13: Flue Terminal Position
25 (150) mm 25 (300) mm Above ground, roof or balcony level 1200 1200 1500 50 mm From a structure on the roof Only MUST be The flue should not 600 mm penetrate the shaded area 600 mm 600 mm 0029_03.W210402 warmhaus.co.uk... -
Page 14: Installation
The template also displays pipe centers correct pipe work layout for the correct installation of the boiler pipe work. 可 Opcjonalny Választható G3/4" G1/2" G3/4" G1/2" G3/4" 80 mm 65 mm 75 mm 73 mm 65 mm 64 mm 471 mm warmhaus.co.uk... -
Page 15: Appliance Connections
5. (E) CH Return Valve (Blue) 1 psc. 6. Gasket 3/4 " 3 pcs. 7. Gasket 1/2 " 2 pcs. The Warmhaus Ewa boiler is supplied with a hardware pack containing isolation valves and a DHW connector pipe for the installer to connect to the boiler unit. -
Page 16: Filling Appliance & Adding Inhibitor
3/4 G" or service company. Adding Inhibitor CAUTION The inhibitor used in the system with your Warmhaus boiler must not cause damage to any materials within the boiler e.g. stainless steel, copper, brass 0034_00.DUK170726 and any other composite material. FILLING LOOP CONNECTION... -
Page 17: Installation With Horizontal Flue Sets
3. Inspection Cap (Fresh Air) 11. Internal Flue Pipe 4. Screws 12. Internal Flue Pipe 5. Flange Gasket 13. Internal Wall Plate 6. Flange Gasket Screw 14. External Wall Plate 7. Neoprene Gasket 15. Grill 8. Ø100 Sealing Gasket warmhaus.co.uk... -
Page 18: Installing The Flue System
The flue pipe must be sealed internally and externally with the wall seals Concealed Flue Configurations supplied. Where our Warmhaus flue system is to be installed in concealed locations provisions must be made for inspection and service requirements. 0037_00.W210420 • Minimum 300 mm square inspection hatches must be fitted. - Page 19 45° elbows. Maximum 3 pieces of 90° elbow can be used. a- Standard Flue Set Elbow (90°) b- Flue Extension Pipe (L1) c- Additional 45° Elbow = 0,5 m d- Standard Flue Set Pipe (L2) e- Additional 45° Elbow = 0,5 m f- Standard Flue Set Pipe (L3) warmhaus.co.uk...
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Page 20: Installation With Vertical Flue Sets (Ø60/100 Mm)
3.11. Installation with Vertical Flue Sets (Ø60/100 mm) Your Warmhaus boiler can also be installed with a vertical flue system that can terminate on both flat and pitched roofs, vertical flue installations must not exceed 11 m in total. Apply a suitable lubricant to the sealing joints before connecting any flue products and ensure the vertical flue terminal is installed level without a... - Page 21 L2 = 0.5 m. (45° elbow equivalent length) L3 = 2.0 m. L4 = 0.5 m. (45° elbow equivalent length) L5 = 1.0 m. L6 = 1.5 m. L Total =6.3 m. 6.3 m. Lmax = 11 m. Correct in implementation. warmhaus.co.uk...
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Page 22: Concentric Flue Kits For Condensing Boilers (Ø60/100 Mm)
=145 mm Adapt 0048_03.D210120 L=500 mm 0049_03.D210120 L=1000 mm 0050_03.D210120 L=2000 mm 0051_03.D210120 45° Elbow 0052_03.D210120 90° Elbow L=170 mm 0053_03.D210120 L=130 mm 0054_03.D210120 Flat Roof Outlet Part 15311660600124 15311660600125 132,5 mm 500 mm 129 mm 0055_00.D210120 0057_00.D210120 0056_00.D210120 0057_00.D210120 warmhaus.co.uk... -
Page 23: Plume Displacement Kits Ø60 Mm
If fitting a Plume Displacement Flue Kit, the air inlet • The terminal position must ensure the safe and nuisance - free must be a minimum of 300 mm from any opening windows or dispersal of combustion products. doors. warmhaus.co.uk... -
Page 24: Condensate Connection
25 mm min below grating but above water level; end cut at 45 ° 6 - Minimum internal diameter 19 mm 7 - Pipe size transition 8 - Minimum internal diameter 30 mm 9 - Water/weatherproof insulation 10 - Fit drain cover/leaf guard warmhaus.co.uk... - Page 25 7 - Pipe size transition 8 - Minimum internal diameter 30 mm 9 - Water/weatherproof insulation 10 - Fit drain cover/leaf guard Note – Any external pipe work should be insulated, pipe cut at 45 degrees and a drain/ leaf guard fitted. warmhaus.co.uk...
- Page 26 4 43 mm 90° male/female bend 5 External rainwater pipe into foul water 6 External air break 7 Air gap 8 68 mm PVCu strap on fitting 9 Minimum internal diameter 19 mm 10 Minimum internal diameter 30 mm 11 End cut at 45° warmhaus.co.uk...
- Page 27 7 Hole depth 400 mm minimum by 300 mm diameter 8 Minimum internal diameter 19 mm 9 Pipe size transition point 10 Minimum internal diameter 30 mm 11 Water/weatherproof insulation Example of a purpose made soakaway warmhaus.co.uk...
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Page 28: Ewa Combi Boiler Wiring Diagram
3.16. Ewa Combi Boiler Wiring Diagram Wiring Diagram RISK OF ELECTRIC SHOCK 0100_00.W211130 warmhaus.co.uk... -
Page 29: External Control Connection / Low Voltage Installation
To connect your low voltage external control, remove the green link wire and connect your two external control cables to the two green wires on the terminal connector. (TO PCB MAIN SUPPLY) Brown Blue Yellow/Green 0074_00.W200825 MAIN SUPPLY 230V AC THERMINAL BLOCK Room Thermostat warmhaus.co.uk... -
Page 30: External Control Connection / Splan Wiring Diagram
BOILER WITHOUT TIMER MODEL SPLAN Wiring Guide: The Warmhaus Ewa boiler must have clean contact connections and must not have mains voltage connected to the room stat connections on our terminal connector, therefore if the system configuration is an SPLAN please follow the above image to ensure that 240v voltage will not be applied to the room stat connections on the boiler. -
Page 31: External Control Connection / Yplan Wiring Diagram
BOILER WITHOUT TIMER MODEL YPLAN Wiring Guide: The Warmhaus Ewa boiler must have clean contact connections and must not have voltage connected to the room stat position on our terminal connector, therefore if the system configuration is a YPLAN you must... -
Page 32: Commissioning
Description GB Attention: This procedure must be applied by authorised persons and valid for only condensing boiler. Attention: document suppiled by Warmhaus R&D. "To enter to TSP menu: Push two button ""CH"" + RESET simultaneously" Wait until the approval circle complete on the LCD and release buttons Attention: Do not change this parameter From this moment toggle ( + ) to increase or ( -) to decrease any parameter aimed to be changed. -
Page 33: Parameters
4.1.2. Parameters Transparent Parameters Menu (TSP) Designation : All Warmhaus Wallhung Boilers Type-model(s) Object Ewa Combi Boiler Burner Control Transparent Parameter List Ewa 2525C Ewa 2530C Parameter no. Parameter Value Field Default Default Hydraulic system 0 = Instantaneous P01(*) 1 = Thermostat storage tank 0 –... - Page 34 Transparent Parameters Menu (TSP) Designation : All Warmhaus Wallhung Boilers Type-model(s) Object Ewa Combi Boiler Burner Control Transparent Parameter List Ewa 2525C Ewa 2530C Parameter no. Parameter Value Field Default Default Combustion configuration - DO NOT CHANGE ! 0 = Closed combustion chamber with combustion control 0 –...
- Page 35 Transparent Parameters Menu (TSP) Designation : All Warmhaus Wallhung Boilers Type-model(s) Object Ewa Combi Boiler Burner Control Transparent Parameter List Ewa 2525C Ewa 2530C Parameter no. Parameter Value Field Default Default Configuration Aux probe 3 - 3 3 = Return temperature NTC Antifreezing activation temperature ( °C )
- Page 36 Transparent Parameters Menu (TSP) Designation : All Warmhaus Wallhung Boilers Type-model(s) Object Ewa Combi Boiler Burner Control Transparent Parameter List Ewa 2525C Ewa 2530C Parameter no. Parameter Value Field Default Default Relay configuration 1 LC27 0 = Not used 1 = Remote alarm normally open...
- Page 37 Transparent Parameters Menu (TSP) Designation : All Warmhaus Wallhung Boilers Type-model(s) Object Ewa Combi Boiler Burner Control Transparent Parameter List Ewa 2525C Ewa 2530C Parameter no. Parameter Value Field Default Default Button configuration selection; 0 = Push button only 0 – 1 1 = Turning knobes with push button B&P paramter 1 - DO NOT CHANGE...
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Page 38: Parameter Information
(FOR A FULL LIST OF APPROVED a combustion calibration for safety reasons to combat against changing the VALUES PLEASE CONTACT WARMHAUS TECHNICAL – 02071646233, or value by error and to ensure the combustion has been altered and set up Heat Merchants Customer Services at 0906 442300) with the correct fuel. -
Page 39: Co/Co2 Combustion Check
Service Mode and no further gas rate, flue integrity and re-circulation adjustments are required. then please run FTF / please follow FTF procedure. If FTF is not enough for correct emission values, please run Auto Calibration / please follow Auto Calibration procedure. warmhaus.co.uk... -
Page 40: Calibration
LPG - G 31 (37 mbar) CO (%) O (%) CO (ppm) (ppm) 10.4 10.0 - 10.5 5.0 - 5.9 120-170 14-25 10.4 10.5 - 10.0 5.0 - 5.9 45—80 10-20 10.3 10.0 - 10.5 5.0 - 5.9 0-10 8-15 warmhaus.co.uk... -
Page 41: Auto Calibration
Object Type-model / Technical data Mark (s) of conformity Procedure Au-To Calibration Ewa Combi Boiler granted by Warmhaus R&D Pos No Operation Description GB Attention: This procedure must be applied by authorised persons and valid for only condensing boiler. Attention: suppiled by Warmhaus R&D. -
Page 42: Ftf Function
Object Type-model / Technical data Mark (s) of conformity Procedure Manual Calibration Ewa Combi Boiler granted by Warmhaus R&D Pos No Operation Description GB Attention: This procedure must be applied by authorised persons and valid for only condensing boiler. Attention: Calibration range is between +3 and -3. -
Page 43: Esf (Easy Start Up Function)
If the MODE is not pressed within 3 seconds the boiler will turn to the OFF state." "On the screen ""ESF"" will be displayed and the boiler will try to make ignition attempts. Attention: The function is performed automatically. Do not change gas pressure OR touch to the boiler on this stage! " warmhaus.co.uk... - Page 44 If the OT thermostat is connected and there is heat demand the boiler will go on burning. If the boiler will not be used in winter mode, be sure that the boiler is in Summer or OFF mode after the ESF function. Change the working state by using the ""Mode"" button. warmhaus.co.uk...
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Page 45: Information Menu Access
Object Type-model / Technical data Mark (s) of conformity Procedure Info Menu Ewa Combi Boiler granted by Warmhaus R&D Pos No Operation Description GB Attention: This procedure must be applied by authorised persons. To enter the INFO menu, Push two button RESET + "DHW" simultaneously. -
Page 46: Deaeration Mode
Object Type-model / Technical data Mark (s) of conformity Procedure Deareation Function Ewa Combi Boiler granted by Warmhaus R&D Pos No Operation Description GB Attention: This procedure must be applied by authorized persons. Attention: During this function make sure the boiler water pressure is OK and automatic air vent cap is open. During operation if water pressure reduces then fill full the water to the installation by using filling tap or loop. -
Page 47: Ewa Combi Boiler Wall-Hung Boilers Dhw Preheat Mode
Description GB Attention: This procedure must be applied by authorised persons and valid for only condensing boiler. Attention: document suppiled by Warmhaus R&D. "To enter to TSP menu: Push two button ""CH"" + RESET simultaneously" Wait until the approval circle complete on the LCD and release buttons Attention: do not change this parameter From this moment toggle ( + ) to increase or ( -) to decrease any parameter aimed to be changed. -
Page 48: Pre-Commissioning Checklist
The gas rate should be taken at the meter supplying the boiler and a visual ATTENTION inspection of the gas meter should be carried out before commencing to ensure it meets all relevant and current regulations and requirements. Ensure that all flue joints are correctly made and sealed and check the flue warmhaus.co.uk... -
Page 49: Circulation Pump Rotation
figures. If the App calculator is proven to be accurate and can be used as a trusted source then Warmhaus will be happy to accept the results given by this method. When comparing the gas rate data from your test please use the DHW figures on the data badge or the stated gas rate in the technical data chart... -
Page 50: Gas Conversion From Ng (G20) To Lpg (G31)
Type-model / Technical data Mark (s) of conformity Procedure Gas Conversion from Natural gas to LPG Ewa Combi Boiler granted by Warmhaus R&D Pos No Operation Description GB Attention: This procedure must be applied by authorised persons and valid for only condensing boiler. -
Page 51: Gas Conversion From Lpg (G31) To Ng (G20)
Type-model / Technical data Mark (s) of conformity Procedure Gas Conversion from LPG to Natural gas Ewa Combi Boiler granted by Warmhaus R&D Pos No Operation Description GB Attention: This procedure must be applied by authorised persons and valid for only condensing boiler. -
Page 52: Servicing & Part Replacement
Deareation mode. on a gas appliance and Warmhaus require that you carry out the following checks as well as your industry required safety checks e.g. 26/9 checks. -
Page 53: Flue Thermistor Replacement
5. Discard the old injector and install the new nozzle. 6. Reassemble the above parts in reverse order. 5.6. Ignition Electrode Replacement 7. Restore the gas and electric supply to the boiler. Please follow the step listed in replacement of components FINAL STAGE. CAUTION 0084_00.W210424 warmhaus.co.uk... -
Page 54: Flow & Return Temperature Sensor Replacement
13. When power is restored to the boiler and a new EEPROM has been used the boiler LCD will display E62 error code. 14. To clear the error code you must run Auto Calibration. Please follow the step listed in replacement of components FINAL STAGE. warmhaus.co.uk... -
Page 55: Outlet Manifold Replacement
PRV copper stub pipe back to the PRV. replacement. 9. Re-pressurize the boiler and bleed all excess air. Please follow the step listed in replacement of components FINAL STAGE. warmhaus.co.uk... -
Page 56: Electrode Positioning For 25, 30 Kw & Single Elektrode
Max. 5,5 mm Attention 1: IF electrode changed OR re-calibrated; THEN performing Au-TO or MA-NU calibration mandatory. Attention 2: Electrode must be replaced with ONLY Original Warmhaus Part IGNITION POSITION: THE IGNITION ROD MUST BE CENTERED ON THE SLICES LIKE SHOWN... - Page 57 warmhaus.co.uk...
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Page 58: Fault Finding & Solutions
8-) Check earth connector between PCB and earth connector current leak replace electrode cable E 07 Safety thermostat Lack of water on the system the screen Pump blockage open all of the valves Pump harness measure voltage from connectors 9-) Check heat exchanger water path warmhaus.co.uk... - Page 59 E 17 NTC (Double Heating DOUBLE NTC) malfunction ( double NTC ) faulty double NTC Probe) faulty 3-) Check cabeling and connectors between double NTC and board 4-) Reset & Restart boiler warmhaus.co.uk...
- Page 60 If original service key not used aslo adjust P15 releated to the default value of boiler power and Perform Au-To calibration. Attention: Only authorised service must perform Au-To calibration warmhaus.co.uk...
- Page 61 If original service key not used aslo adjust P15 releated to the default value of boiler power and perform Au-To calibration. 13-) if not successfull replace valve, and Perform Au-To calibration. Attention: Only authorised service must perform Au-To calibration warmhaus.co.uk...
- Page 62 3-) Measure gas valve coil ressistances according to manual if gas E 87 error code flashing on the valve circuit > Gas valve failiure valve coils out of tolerance, then replace gas valve, and perform Au-To screen calibration. Attention: Only authorised service must perform Au-To calibration warmhaus.co.uk...
- Page 63 If original service key not used aslo adjust P15 releated to the default value of boiler power and perform Au-To calibration. Attention: Only authorised service must perform Au-To calibration warmhaus.co.uk...
- Page 64 flue gas sealings specially > Temporary wind 5-) Activate service man menu and dis activate to remove half power precence mode 6-) IF problem still persist then perform Auto Calibration Attention: Only authorised service must perform Au-To calibration warmhaus.co.uk...
- Page 65 This Commissioning Checklist is to be completed in full by the competent person who commissioned the boiler as a means of demonstrating compliance with the appropriate Building Regulations and then handed to the customer to keep for future reference. © Heating and Hotwater Industry Council (HHIC) www.centralheating.co.uk warmhaus.co.uk...
- Page 66 GAS BOILER SYSTEM COMMISSIONING CHECKLIST & WARRANTY VALIDATION RECORD Address: Zone valves Thermostatic radiator valves m hr mbar m hr mbar Internal © Heating and Hotwater Industry Council (HHIC) www.centralheating.co.uk warmhaus.co.uk...
- Page 67 When completing a service record (as below), please ensure you have serviced and maintained, in line with manufacturers’ instructions, and that carried out the service as described in the manufacturers’ instructions. the appropriate service / interim work record is completed. Always use the manufacturers’ specified spare parts. Service provider warmhaus.co.uk...
- Page 68 NTS pipeline or near an overhead electricity line please call us urgently: please call us urgently: 0800 111 999 0800 40 40 90 FOR ANY TECHNICAL QUERIES PLEASE RING THE WARMHAUS CONSUMER / INSTALLER / TECHNICAL HELPLINE: 0207 1646233...