Related Manuals for Vaillant ecoTEC plus VU GB 5-5 Series
Summary of Contents for Vaillant ecoTEC plus VU GB 5-5 Series
- Page 1 Installation and maintenance instructions ecoTEC plus VU GB .../5‑5 GB, IE Publisher/manufacturer Vaillant GmbH Berghauser Str. 40 D-42859 Remscheid Tel. +492191 18 0 Fax +492191 18 2810 info@vaillant.de www.vaillant.de...
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Page 2: Table Of Contents
Contents Contents 7.13 Filling the condensate trap ........21 7.14 Checking and adjusting the gas setting....22 Safety ..............4 7.15 Checking leak-tightness ........24 Action-related warnings ......... 4 7.16 Thoroughly flushing the heating system ("hot")..............25 Intended use ............4 Adapting the unit to the heating General safety information ........ - Page 3 Contents Wiring diagram........... 45 Initial start-up checklist........46 Initial start-up checklist ........46 Commissioning Checklist......... 49 Position of the opening in the air/flue pipe ..52 Notes ..............52 Positioning of the opening of a fan-supported flue system............52 Horizontal terminal positioning ......53 Treating the heating water ........
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Page 4: Safety
1 Safety Safety Intended use also covers installation in ac- cordance with the IP code. Action-related warnings Any other use that is not specified in these Classification of action-related warnings instructions, or use beyond that specified in The action-related warnings are classified in this document, shall be considered improper accordance with the severity of the possible use. - Page 5 Safety 1 ▶ Make sure that liquid gas cannot escape 1.3.4 Risk of death due to cabinet-type casing from the product or the gas pipe under any circumstances. Cabinet-type casing can give rise to danger- ous situations when used on a product which 1.3.8 Risk of death due to blocked or is operated with an open flue.
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Page 6: Regulations (Directives, Laws, Standards)
1 Safety to corrosion on the product and in the flue 1.3.18 Risk of scalding from hot water system. There is a risk of scalding at the domestic ▶ Ensure that the supply of combustion air is hot water draw-off points if the domestic hot always free of fluorine, chlorine, sulphur, water temperatures are greater than 60 °C. -
Page 7: Notes On The Documentation 2
1206 (VU GB 1206/5‑5) 0010010791 41-044-70 Benchmark Vaillant is a licensed member of the Benchmark Scheme. Benchmark places responsibilities on both manufacturers and installers. The purpose is to ensure that customers are provided with the correct equipment for their needs, that it is installed, commissioned and serviced in accordance with the manufacturer’s instructions by a competent person approved... -
Page 8: Information On The Data Plate
Condensate discharge hose Serial number for identification; 7th to 16th digits = Mounting template product article number Enclosed documentation VU… Vaillant gas-fired wall-hung boiler for heating Enclosed unit fastening ecoTEC plus Product designation Bag with small parts H, G20 – 20 mbar... -
Page 9: Product Dimensions And Connection Dimensions
Set-up 4 Product dimensions and connection Minimum clearances and installation dimensions clearances 350 mm (110/160 mm Optional approx. 200 diameter flue pipe) Clearance of 600 mm At least 450 mm for in front of the product cascade design for easy access during 400 mm maintenance work ▶... -
Page 10: Removing/Installing The Front Casing
4 Set-up Removing/installing the upper casing Condition: The fixing material may not be used for the wall ▶ 4.8.1 Removing the upper casing Wall-mount the product as described using the permitted fixing material provided on-site. Unscrew the screws (2). Pull out the upper casing (1) towards the front. Install the hanging bracket (1) on the wall. -
Page 11: Removing/Installing The Side Section (As Required)
Installation 5 Installation Removing/installing the side section (as required) Danger! 4.9.1 Removing the side section Risk of explosion or scalding caused by incorrect installation. Mechanical stresses in the connection pipes may lead to leaks. ▶ Make sure that the connection pipes are free from mechanical stress when they are installed. -
Page 12: Hydraulics Installation
(right-hand connection) and an expansion relief valve Purge the gas pipe before start-up. (left-hand connection). You can find information about avail- able accessories from the Vaillant price list or from the con- 5.1.2 Checking the gas line for leak-tightness tact address provided on the reverse of this document. - Page 13 Ø 1 1/4" In each case, insert a flat seal into the service valve (Vaillant accessories). The manufacturer recommends installing the following com- ponents in addition to the specified plate heat exchanger for Screw the service valves onto the flow and return con- the hydraulic system separation: nection (1) of the pump group.
- Page 14 5 Installation 5.2.4 Connecting the condensate trap Note The condensate drain pipework must have a Condensate forms in the product during combustion. The continuous fall (45 mm per metre) and should condensate drain pipework routes the condensate to the whenever possible terminate at a suitable waste water connection.
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Page 15: Flue Installation
When installing the air/flue pipe, observe the provisions age due to unapproved air/flue pipes. of the applicable national regulations. Vaillant boilers are certified only with Vaillant Route the flue pipe with a downward gradient so that original air/flue pipes. The use of other ac- the condensate that accumulates can easily flow into the condensate trap provided for it. - Page 16 5 Installation 5.4.1 Opening/closing the electronics box 5.4.3 Carrying out the wiring 5.4.1.1 Opening the electronics box Caution. Risk of material damage caused by incor- rect installation. Mains voltage at the incorrect plug terminals on the ProE system may destroy the elec- tronics.
- Page 17 Installation 5 – 5.4.4 Connecting the pump group Circulation pump – External pump – Cylinder charging pump – Extraction hood – External solenoid valve – External fault signal – Solar pump (not active) – eBUS remote control (not active) – Anti-legionella pump (not active) –...
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Page 18: Operation
6 Operation Operation Start-up Operating concept of the product Auxiliary service equipment The operating concept and the read-out and setting options The following test and measuring equipment is required for of the end user level are described in the operating instruc- start-up: tions. -
Page 19: Switching On The Product
Start-up 7 Treating the filling and supplementary water Switching on the product ▶ Observe all applicable national regulations and technical ▶ Press the on/off button on the product. standards when treating the filling and supplementary ◁ The basic display appears on the display. water. -
Page 20: Restarting The Installation Assistants
7 Start-up 7.5.6 Additional relay and multi-functional module P.00 Purging Additional components that are connected to the product can be adjusted here. This setting can be changed using D.027 and D.028. Heating circuit 7.5.7 Competent person telephone number 1,2 bar You can store your telephone number in the unit menu. -
Page 21: Flushing The Heating System For The First Time ("Cold")
Start-up 7 – 7.11 Flushing the heating system for the first time Minimum filling pressure: 0.1 MPa (1.0 bar) ("cold") Note Note The check programme P.00 runs for Establish suitable connections for correctly filling 7.5 minutes per circuit. the boiler circuit and use a suitable filling device. At the end of the filling process, the filling Due to the system separation, separate connec- pressure should be at least 0.02 MPa... -
Page 22: Checking And Adjusting The Gas Setting
H gas in m³/h plate gas, do not start up the product. −10 % Nom. +5 % A gas conversion must only be carried out by Vaillant cus- 76.2 8.10 8.51 7.29 tomer service or the manufacturer of the product. - Page 23 Start-up 7 ▶ 7.14.4 Checking the gas flow pressure Do not make any adjustments to the product. ▶ Check the gas installation. ▶ Do not start up the product. ▶ If you cannot correct the failure, notify the gas supply company and proceed as follows: 806/5-5 ▶...
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Page 24: Checking Leak-Tightness
If an adjustment is not possible in the specified adjust- 806/5-5 ment range, you must not start up the product. ▶ If this is the case, inform Vaillant Customer Service. ▶ Install the front casing. (→ Page 10) 7.15 Checking leak-tightness ▶... -
Page 25: Thoroughly Flushing The Heating System ("Hot")
Adapting the unit to the heating installation 8 Adjust the target temperature for the connected do- Or manually relaunch the installation assistant. mestic hot water cylinder to the controller. Menu → Installer level → Start inst. assistant ◁ The boiler adopts the set target temperature which is set on the controller (automatic calibration in Calling up diagnostics codes newer controllers). -
Page 26: Setting The Return Temperature Control System
8 Adapting the unit to the heating installation Setting the return temperature control 8.6.2 Resetting the remaining burner anti-cycling system time 1st option If the product is connected to an underfloor heating system, the temperature control can be changed from flow temper- Menu →... - Page 27 Adapting the unit to the heating installation 8 80 kW boiler with high-efficiency pump 100 kW boiler with high-efficiency pump 1200 1200 1100 1100 100 % 100 % 1000 1000 85 % 85 % 70 % 70 % 60 % 60 % 53 % 53 %...
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Page 28: Handing The Product Over To The End User
9 Inspection and maintenance Inspection and maintenance 120 kW boiler with high-efficiency pump Auxiliary service equipment: 1100 You require the following tool for the inspection and mainten- ance: 100 % – 1000 WAF 8 socket spanner with extension – Torx screwdriver 20, 25 and 30 –... -
Page 29: Procuring Spare Parts
Inspection and maintenance 9 Note Test Display Action programme The person who carries out a combustion meas- urement must be trained in the use of a flue gas T.06 Check external Switch the external pump on pump and off. measuring instrument and in interpreting the res- ults. - Page 30 9 Inspection and maintenance 806/5-5 ▶ Undo the four screws on the flange connection (3) to the gas valve assembly. Condition: Applies for 100 kW and 120 kW ▶ Undo the four screws on the flange connection (3) to the gas valve assembly.
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Page 31: Cleaning The Heat Exchanger
Inspection and maintenance 9 Checking the burner Remove the plugs (12) and (13) from the fan motor by pushing in the latching lug. 10. Remove the plug from the gas valve assembly (10). 11. Remove the plug from the upper safety cut-out (8). 12. -
Page 32: Cleaning The Condensate Trap
9 Inspection and maintenance Remove the electrodes (1) from the burner door from above. Insert the new electrodes with new seals. – Torque: 2.8 Nm Cleaning the condensate trap 806/5-5 Remove the lower section of the condensate trap(2) by unscrewing it from the condensate trap (1). Flush out the lower section of the condensate trap with water. -
Page 33: Draining The Product
Troubleshooting 10 10.1 Contacting your service partner Condition: Applies for 80 kW – Torque: 2 Nm If you contact your Vaillant service partner, if possible, please mention Condition: Applies for 100 kW and 120 kW – – Torque: 2.8 Nm the fault code that is displayed (F.xx),... -
Page 34: Resetting The Fault Memory
10 Troubleshooting 10.10 Replacing defective components Overview of fault codes (→ Page 43) 10.10.1 Replacing the gas valve assembly 10.5 Resetting the fault memory ▶ To delete the entire fault list, press (Delete, OK) twice. 10.6 Performing diagnostics ▶ You can use the function menu (→ Page 29) to actuate and test individual components of the product in the fault diagnostics. - Page 35 Troubleshooting 10 – After installing the new gas valve assembly, carry out a Torque: 2.8 Nm leak-tightness test (→ Page 24), and set the gas setting 12. Install the gas-air mixture unit. (→ Page 32) (→ Page 22). 13. Check that the product functions correctly and check the leak-tightness (→...
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Page 36: 10.11 Completing Repair Work
11 Decommissioning Disconnect the unit from the power grid and secure it against being switched back on again. Condition: Replacing the display or PCB ▶ Replace the PCB or display according to the assembly and installation instructions supplied. Condition: Replacing the PCB and display at the same time ▶... -
Page 37: Appendix
Appendix Appendix Installer level menu structure – Overview Menu Information Reset burner off time Installer level Back Select Enter code Installer level Fault list F.00 F.75 Test programs Interruption Fault Appliance config. Flow sensor Pump water shortage Back Back Select Installer level Test programs Gas type check... - Page 38 Appendix Appliance config. Comfort mode Target flow temp. Comfort on DHW temperature Comfort mode Cancel Back Select Appliance config. D.026 D.026 DHW temperature Auxiliary relay Auxiliary relay Comfort mode Circulation pump Auxiliary relay External pump Back Select Back Cancel Appliance config. D.027 D.027 Comfort mode...
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Page 39: B Overview Of Diagnostics Codes
Appendix Overview of diagnostics codes Default Own setting Code Parameter Values or explanations setting D.000 Partial heating load Adjustable partial heating load in kW Auto Auto: Product automatically adjusts max. partial load to current system demand D.001 Overrun time of internal heating 2 to 60 min 5 min pump for heating mode... - Page 40 D.046 Pump type 0 = Relay with disable facility 0 = Relay with disable 1 = PWM with disable facility facility D.047 Outdoor temperature (with Vaillant Actual value in °C Not ad- weather-compensated control) justable D.050 Offset for minimum speed...
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Page 41: C Inspection And Maintenance Work - Overview
Appendix Default Own setting Code Parameter Values or explanations setting D.072 Internal pump overrun time after Adjustable from 0 to 10 mins 2 min cylinder charging D.076 Device specific number 82 = VU 806 Not ad- justable 81 = VU 1006 80 = VU 1206 D.077 Limit on cylinder charging output in Adjustable cylinder charging output in kW... -
Page 42: D Status Codes - Overview
Appendix Mainten- ance Inspection Work (At least (annual) every two years) Check, and if necessary correct, the pre-charge pressure of the expansion vessel. Remove the gas-air mixture unit (burner door with fan and gas valve assembly). Check all seals and the insulating mat in the combustion area. If you notice any damage, replace the seals or insulating mat. -
Page 43: E Overview Of Fault Codes
Appendix Status code Meaning Special cases S.30 Room thermostat (RT) is blocking heating mode S.31 Summer mode active or no heat requirement from eBUS control S.32 Waiting period because of fan speed deviation S.34 Frost protection mode active S.36 Target value of the eBUS control is < 20 °C and is blocking heating mode S.37 Fan waiting period: Fan failure in operation S.39... - Page 44 Appendix Code Meaning Cause F.32 Fan fault Plug on fan not correctly plugged in, multiple plug on PCB not correctly plugged in, break in cable harness, fan blocked, Hall sensor defective, electronics defective F.34 Safety shutdown: Pressure monitoring Flue pressure switch: Cable break, blocked flue gas route Water pres- sure switch: Hydraulic leakage, air in the heating circuit F.35 Fault: Air/flue pipe...
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Page 45: F Wiring Diagram
Appendix Wiring diagram Display Pump PWM signal connection Water pressure sensor white Cylinder sensor (optional) Cylinder contact white “C1-C2“ white Coding resistor (optional) Gas valve Flow sensor blue Flow sensor Flue gas Safety Safety cut-out cut-out Remote control circulation pump External sensor Flow sensor (optional) DCF connection... -
Page 46: G Initial Start-Up Checklist
Appendix Initial start-up checklist Location Competent person Customer service tech- nician Name Street/house number Postcode Town/city Telephone Start-up date Serial number Basic hydraulic diagram Initial start-up checklist Values Unit Installation, general Building type (house/apartment building, special building) Used for commercial purposes? Year of manufacture Insulation status/renovation System output... - Page 47 Appendix Values Unit Heating circuit system pressure MPa (bar) Piping at least 1.5 inches (single unit) Piping at least DN65 (cascade up to 360 kW) Piping at least DN100 (cascade > 360 kW) Expansion relief valve MPa (bar) System separation using a plate heat exchanger Which type? Number of mixers Cylinder...
- Page 48 Other heat generators Solar system, heat pump, solid fuel boiler? If yes, which type? Control system Vaillant control If yes, which type? Third-party control If yes, which type? Room temperature control, outdoor temperature control If yes, which type?
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Page 49: H Commissioning Checklist
Appendix Commissioning Checklist Benchmark Commissioning and Servicing Section It is a requirement that the boiler is installed and commissioned to the completed in full. www.centralheating.co.uk © Heating and Hotwater Industry Council (HHIC) 0020134823_07 ecoTEC plus Installation and maintenance instructions... - Page 50 Appendix GAS BOILER SYSTEM COMMISSIONING CHECKLIST 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. CONTROLS Optimum start control Fitted...
- Page 51 Appendix SERVICE RECORD It is recommended that your heating system is serviced regularly and that the appropriate Service Interval Record is completed. Service Provider SERVICE 01 SERVICE 02 ² % ² % ² % ² % SERVICE 03 SERVICE 04 ²...
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Page 52: I Position Of The Opening In The Air/Flue Pipe
Appendix Position of the opening in the air/flue pipe The diagram is relevant for the installation of boilers with a gross heat input > 70 kW net but less than 333 kW net. For further information see the current IGEM UP/10 and the risk assessment appendix for guidance on suitable flue terminal locations. For installations above 333 kW net input, refer to the “Clean Air Act,”... -
Page 53: Horizontal Terminal Positioning
Appendix Minimum clearances for concentric terminations Flue system to be Directly below an opening, air brick, opening windows 2,500 designed and In- Above an opening, air brick, opening windows stalled according to IGEM UP/10. Horizontally to an opening, air brick, opening windows Use the risk assess- D (1,4,9) Below metal gutter, drain/soil pipe (extending out to clear) -
Page 54: J Treating The Heating Water
Appendix Balcony/eaves Gutter The flue pipe must Adequately secured air/flue gas pipe protrude beyond any overhang Horizontal Termination Treating the heating water The information in the table below provides a general rule for classifying water hardness. Hardness description Total Hardness mg/l Calcium German UK Degrees... -
Page 55: K Technical Data
Appendix Technical data Technical data – Output 806 (VU GB 806/5‑5) 1006 (VU GB 1006/5‑5) 1206 (VU GB 1206/5‑5) Nominal heat output range at 50/30 °C 16.5 to 82.3 kW 20.7 to 102.8 kW 24.7 to 123.4 kW Nominal heat output range at 60/40 °C 16.0 to 80.0 kW 20.0 to 100.0 kW 24.0 to 120.0 kW... - Page 56 Appendix 806 (VU GB 806/5‑5) 1006 (VU GB 1006/5‑5) 1206 (VU GB 1206/5‑5) Air/flue gas connection 110/160 mm 110/160 mm 110/160 mm NOx class ≤ 40 mg/kW⋅h ≤ 40 mg/kW⋅h ≤ 40 mg/kW⋅h NOx emissions ≤ 30 mg/kW⋅h ≤ 30 mg/kW⋅h ≤...
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Page 57: Index
Index Index Gas connection ..............11 Gas conversion ..............22 Additional relay..............20 Gas setting ................22 Air index setting..............23 Gas type ................12 Air/flue pipe ................. 15 Gas valve assembly ............34 Gas-air mixture unit ............29, 32 Air/flue pipe, installed ............ - Page 58 Index Resetting, fault memory ............34 Resetting, parameters ............34 Return temperature control ..........26 Risk of scalding ..............6 Safety device................. 4 Scope of delivery..............8 Self-test ................29 Service message..............33 Service partner ..............33 Side section................. 11 Spare parts..............
- Page 60 0020134823_07 0020134823_07 27.02.2019 Supplier Vaillant Ltd. Nottingham Road Belper 1 1 Derbyshire 1 1 DE56 1JT Telephone 0330 100 3461 info@vaillant.co.uk www.vaillant.co.uk © These instructions, or parts thereof, are protected by copyright and may be reproduced or distributed only with the manufacturer's written consent.