Table of Contents
Troubleshooting
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Summary of Contents for Vaillant ecoVIT exclusiv
- Page 1 Installation and maintenance instructions ecoVIT exclusiv VKK 226/4 – VKK 656/4 AT, DE Publisher/manufacturer Vaillant GmbH Berghauser Str. 40 D-42859 Remscheid Tel. +49 21 91 18‑0 Fax +49 21 91 18‑2810 info@vaillant.de www.vaillant.de...
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Page 2: Table Of Contents
Inspection and maintenance work ....37 Filling the heating installation ......17 Commissioning checklist ......... 37 Purging the heating installation ......18 Technical data............ 38 Filling the condensate siphon ......18 Index ................... 43 Installation and maintenance instructions ecoVIT exclusiv 0020258610_00... -
Page 3: Safety
Intended use also covers installation in ac- matches). cordance with the IP class. ▶ Do not smoke. Any other use that is not specified in these instructions, or use beyond that specified in 0020258610_00 ecoVIT exclusiv Installation and maintenance instructions... - Page 4 ▶ Secure against being switched back on ▶ Do not use the product in storage rooms again. that contain explosive or flammable sub- ▶ Check that there is no voltage. stances (such as petrol, paper or paint). Installation and maintenance instructions ecoVIT exclusiv 0020258610_00...
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Page 5: Regulations (Directives, Laws, Standards)
▶ In order to operate the product, ensure that the condensate siphon is always full. Conditions: Permitted B23 or B23P type units with condensate siphon (third-party accessory) – Water seal level: ≥ 200 mm 0020258610_00 ecoVIT exclusiv Installation and maintenance instructions... -
Page 6: Notes On The Documentation
Boiler body with insula- Fanned burner with gas tion jackets valve assembly Heating flow pipe Side panel Intake silencer (for VKK Ignition and monitoring 656/4 supply hose only) electrode Gas pipe Electronics box Back panel Installation and maintenance instructions ecoVIT exclusiv 0020258610_00... -
Page 7: Data Plate
Cat. (e.g. II Approved gas category 2H3P Types (e.g. C Approved gas-fired units Secure the product to a suitable carrying aid or a suit- able sack truck. 0020258610_00 ecoVIT exclusiv Installation and maintenance instructions... -
Page 8: Checking The Scope Of Delivery
VKK 476/4; VKK 656/4: apter) 1085 mm VKK 476/4; VKK 656/4: VKK 226/4; VKK 286/4; At least 1451 mm (with VKK 366/4: 75 mm adapter) VKK 476/4; VKK 656/4: Feet, height-adjustable 86 mm by 20 mm Installation and maintenance instructions ecoVIT exclusiv 0020258610_00... -
Page 9: Minimum Clearances
◁ The front flap automatically swivels downwards and the control panel becomes accessible. Reach through behind the panel (2) from below and push the upper casing (1) upwards. Remove the upper casing. 0020258610_00 ecoVIT exclusiv Installation and maintenance instructions... -
Page 10: Removing And Installing The Cover Plate
The drain must be visible. ▶ Install a purging device at the highest point in the heating installation. ▶ Install a filling/draining device in the heating installation. Installation and maintenance instructions ecoVIT exclusiv 0020258610_00... -
Page 11: Required Accessories (On-Site)
To do this, use the compression fitting provided. ▶ Remove the residues from the gas pipe by blowing through the gas pipe beforehand. 0020258610_00 ecoVIT exclusiv Installation and maintenance instructions... -
Page 12: Establishing Water Connections
Route the condensate discharge pipe from the product's condensate discharge with a downward gradient and without any kinks. Otherwise, the condensate in the si- phon increases and leads to a fault. ▶ Check whether the condensate has been discharged correctly. Installation and maintenance instructions ecoVIT exclusiv 0020258610_00... -
Page 13: Installing And Connecting The Air/Flue System
▶ Do not connect any mains voltage to the in the low-voltage range. eBUS terminals (+/-). 0020258610_00 ecoVIT exclusiv Installation and maintenance instructions... - Page 14 If there is insufficient strain relief, electrical contacts may be loosened. Power supply cables may cause faults in signal-carrying cables. ▶ Do not use the same strain relief for the low-voltage cable as for the power supply cable. Installation and maintenance instructions ecoVIT exclusiv 0020258610_00...
- Page 15 If several contacts are connected to the to the control. terminals for the surface-mounted thermostat (blue ProE plug), connect the contacts in series and not in parallel. ▶ Close the electronics box. (→ Page 13) 0020258610_00 ecoVIT exclusiv Installation and maintenance instructions...
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Page 16: Checking Leak-Tightness
If you ascertain that it contains sedimentary materials, ▶ When starting up the unit, proceed in accordance with you must desludge the installation. ▶ the attached checklist. Use a magnetic rod to check whether it contains mag- netite (iron oxide). Installation and maintenance instructions ecoVIT exclusiv 0020258610_00... -
Page 17: Filling The Heating Installation
We accept no liability for the compatibility of any additive or Close the purging valve on the product as soon as wa- its effectiveness in the rest of the heating system. ter escapes. 0020258610_00 ecoVIT exclusiv Installation and maintenance instructions... -
Page 18: Purging The Heating Installation
The combustion setting has been factory tested and is preset for operation with the gas group indicated on the identifica- tion plate. In some supply areas, these settings may need to be adjusted at the installation site. Installation and maintenance instructions ecoVIT exclusiv 0020258610_00... - Page 19 ±1.80 ±1.80 load mode 12. Open the gas stopcock. ≤ 50 ≤ 50 ≤ 50 13. Check the test nipple for gas tightness. CO content 14. Install the upper casing. (→ Page 10) 0020258610_00 ecoVIT exclusiv Installation and maintenance instructions...
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Page 20: Checking The Heating Mode
If required, use the – or + buttons to set the required value (display flashes). Save the changed value by pressing and holding the i button for five seconds (display stops flashing). Installation and maintenance instructions ecoVIT exclusiv 0020258610_00... -
Page 21: Exiting Diagnostics Mode
If you set a value that seconds, depending on the boiler temperature. Depending is smaller than the maximum value, the auto- on the target value deviation, the calculated target speed is matic function will not activate. then set. 0020258610_00 ecoVIT exclusiv Installation and maintenance instructions... -
Page 22: Handing The Product Over To The End User
▶ Disconnect the product from the power grid. If you are unable to eliminate the fault and the fault re- Close the gas stopcock. curs despite several reset attempts, contact Vaillant cus- tomer service. Note Eliminating faults If inspection and maintenance work is ne- ▶... -
Page 23: Procuring Spare Parts
▶ Replace the combustion chamber seal after any inspection and maintenance work. ▶ Reinsert the circlip that tightly surrounds the seal after any inspection and mainten- ance work. 0020258610_00 ecoVIT exclusiv Installation and maintenance instructions... -
Page 24: Cleaning The Condensate Siphon
Close the service valves of the product. Remove the lower section of the front casing. Connect a hose to the product's filling and drainage tap. Route the hose to a suitable outflow location. Installation and maintenance instructions ecoVIT exclusiv 0020258610_00... -
Page 25: Draining The Heating Installation
Disposing of the packaging ▶ Dispose of the packaging correctly. ▶ Observe all relevant regulations. 13 Customer service The contact details for our customer service are provided on the back page or on our website. 0020258610_00 ecoVIT exclusiv Installation and maintenance instructions... -
Page 26: Appendix
Flow target temperature = maximum flow menu ends − button: Back temperature target value → i button: Yes End function menu? Normal operating mode starts + button: Next Restart the function menu − button: Back Back Installation and maintenance instructions ecoVIT exclusiv 0020258610_00... -
Page 27: C Overview Of Diagnostics Codes
0: Off 1-100: On – – D.013 Circulation pump Current value Status of circulation pump Not ad- justable 0: Off 1-100: On Connection via 2 in 7 multi-func- tional module or X6 0020258610_00 ecoVIT exclusiv Installation and maintenance instructions... - Page 28 Current value 0: Off Not ad- justable 1: On – – D.033 Fan speed target value Current value Not ad- justable – – D.034 Fan speed actual value Current value Not ad- justable Installation and maintenance instructions ecoVIT exclusiv 0020258610_00...
- Page 29 Device Specific Number Current value (Device specific number = DSN) Not ad- justable 15: ecoVIT D.077 DHW partial load Output-range- Adjustable cylinder charging output Maximum specific value Maximum value = automatic cylinder partial load 0020258610_00 ecoVIT exclusiv Installation and maintenance instructions...
- Page 30 Option to enter a telephone number that is displayed in the event of product malfunction – – – D.099 Language The selected language is displayed Country- in line 2 (line 1 and 2 in selected specific language) Installation and maintenance instructions ecoVIT exclusiv 0020258610_00...
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Page 31: D Status Codes - Overview
S.49 Waiting time: Flue gas The waiting period for the flue pressure switch is activated. pressure switch S.60 Waiting time: Flame loss The product is within the waiting period as a result of a flame loss. 0020258610_00 ecoVIT exclusiv Installation and maintenance instructions... -
Page 32: E Overview Of Fault Codes
F.65 Fault: Electronics temp. Electronics defective or too hot Check: PCB. due to external influences If required, reduce the environmental temperature. ▶ F.67 Fault: Electronics/flame Implausible flame signal Check: Cable harness, flame monitor, PCB. Installation and maintenance instructions ecoVIT exclusiv 0020258610_00... -
Page 33: F Troubleshooting
▶ Cylinder charging pump defect- Check the cylinder charging pump. ▶ Incorrect cylinder target value Check the cylinder target value settings on the heat generat- settings in the heat generator or's control panel. 0020258610_00 ecoVIT exclusiv Installation and maintenance instructions... -
Page 34: G Wiring Diagrams
Appendix Wiring diagrams Wiring diagram 6 FB 5 AF 4 RF 3 DCF Masse 1 Masse +24V Hallsignal Masse 230V~ 230V~ Installation and maintenance instructions ecoVIT exclusiv 0020258610_00... -
Page 35: Wiring Diagram For The Vrc 450, Vrc 470 Or Vrc 700 Control
Masse 1 Masse 230V~ 230V~ Main PCB Cylinder temperature sensor, 2.7 kΩ characteristic eBUS control Cylinder charging pump Outdoor temperature sensor, flow temperature Heating pump sensor (optional, external), DCF receiver (for VRC 430) 0020258610_00 ecoVIT exclusiv Installation and maintenance instructions... -
Page 36: Wiring Diagram For The Vrs 620 And Vrc 630 Control
Outdoor temperature sensor, DCF receiver E.g. fault message VRC 630 PCB E.g. ecoLEVEL condensate pump Cylinder charging pump Flow temperature sensor 1 Circulation pump Flow temperature sensor 2 Heating pump Flow temperature sensor 3 Installation and maintenance instructions ecoVIT exclusiv 0020258610_00... -
Page 37: H Inspection And Maintenance Work
If required, tighten the burner seal. CO₂ measurement Target value for nominal heat input: CO₂ analyser – 9.2 vol.% ±0.3 with natural gas H Only carry out the measurement after five minutes of normal operation 0020258610_00 ecoVIT exclusiv Installation and maintenance instructions... -
Page 38: J Technical Data
C83x, C93x, C83x, C93x, C83x, C93x, C83x, C93x, C83x, C93x, B23, B23P, B23, B23P, B23, B23P, B23, B23P, B23, B23P, B23, B23P, B33, B33P B33, B33P B33, B33P B33, B33P B33, B33P B33, B33P Installation and maintenance instructions ecoVIT exclusiv 0020258610_00... - Page 39 62 ℃ 62 ℃ 62 ℃ Min. flue gas temperature (at tV/tR = 80/60 °C) 75 ℃ 75 ℃ 85 ℃ 85 ℃ Max. flue gas temperat- ure (at tV/tR = 80/60 °C) 0020258610_00 ecoVIT exclusiv Installation and maintenance instructions...
- Page 40 … 48.2 kW … 66.3 kW Maximum heat input, 22.0 kW 27.0 kW 35.0 kW 45.0 kW 62.0 kW heating side Minimum heat input 6.5 kW 7.9 kW 10.3 kW 13.2 kW 18.3 kW Installation and maintenance instructions ecoVIT exclusiv 0020258610_00...
- Page 41 2,650 l/h (with reference to ΔT= 20 K) Pressure loss (with refer- 0.0017 MPa 0.0017 MPa 0.0043 MPa 0.0043 MPa ence to ΔT= 20 K) (0.0170 bar) (0.0170 bar) (0.0430 bar) (0.0430 bar) 0020258610_00 ecoVIT exclusiv Installation and maintenance instructions...
- Page 42 Standby electrical power consumption IP rating IP 20 IP 20 IP 20 IP 20 Unit protection class Class I Class I Class I Class I Test symbol/registration CE‑ CE‑ CE‑ CE‑ 0085BU0038 0085BU0038 0085BU0038 0085BU0038 Installation and maintenance instructions ecoVIT exclusiv 0020258610_00...
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Page 43: Index
Handing the product over to the end user ......22 Heating flow................. 12 Heating installation ............17–18 Heating return..............12 If you smell gas ..............3 Inspection work ............. 22, 25 Installation site............... 4 Installer level ............... 16 Intended use................3 0020258610_00 ecoVIT exclusiv Installation and maintenance instructions... - Page 44 0020258610_00 0020258610_00 23.05.2017 Supplier Vaillant Deutschland GmbH & Co.KG Berghauser Str. 40 D-42859 Remscheid Telefon 021 91 18‑0 Telefax 021 91 18‑2810 Auftragsannahme Vaillant Kundendienst 021 91 5767901 info@vaillant.de www.vaillant.de © 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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