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Installation and maintenance instructions
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
ecoTEC exclusive
VC 156/5‑7 (N-DE)
VC 216/5‑7 (N-DE)
VC 246/5‑7 (N-DE)
VC 276/5‑7 (N-DE)
VC 326/5‑7 (N-DE/DK)
VC 216/5‑7 (N-DE)
DE
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Table of Contents
Related Manuals for Vaillant ecoTEC exclusive VC 156/5‑7 N-DE
Summary of Contents for Vaillant ecoTEC exclusive VC 156/5‑7 N-DE
- Page 1 Installation and maintenance instructions ecoTEC exclusive VC 156/5‑7 (N-DE) VC 216/5‑7 (N-DE) VC 246/5‑7 (N-DE) VC 276/5‑7 (N-DE) VC 326/5‑7 (N-DE/DK) VC 216/5‑7 (N-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
Contents Contents 7.11 Starting up the heat generator ......20 7.12 Gas inspection ............. 20 Safety ..............3 7.13 Checking leak-tightness ........21 Action-related warnings ......... 3 Adapting the unit to the heating installation............22 Intended use ............3 Calling up diagnostics codes ....... 22 General safety information ........ -
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 in- danger using the following warning signs and... - Page 4 1 Safety ▶ Leave the building immediately and ensure ▶ Always operate the heat generator using that others do not enter the building. a return check valve that is authorised for ▶ Alert the police and fire brigade as soon as use with the product.
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Page 5: Regulations (Directives, Laws, Standards)
Safety 1 ▶ Install the necessary safety devices in the pounds, dust or similar substances may lead to corrosion on the product and in the flue system. system. ▶ Observe the applicable national and inter- national laws, standards and guidelines. ▶... -
Page 6: Notes On The Documentation
2 Notes on the documentation Notes on the documentation Observing other applicable documents ▶ You must observe all the operating and installation in- structions included with the system components. Storing documents ▶ Pass these instructions and all other applicable docu- ments on to the system operator. -
Page 7: Ce Label
Set-up 4 Checking the scope of delivery Information on the Meaning identification plate ▶ Check that the scope of delivery is complete and intact. ww/yyyy Date of manufacture: Week/year Number Designation Cat. Approved unit categories Heat generator Types Approved gas-fired units Installation kit containing the following: Permissible total overpressure - Product bracket... -
Page 8: Dimensions
4 Set-up Dimensions Consult the installation template that is supplied to find the dimension A. The product's installation depth B can be found in the tech- nical data in the appendix. Minimum clearances Minimum clearance 165 mm: Air/flue pipe, 60/100 mm diameter 275 mm: Air/flue pipe, 80/125 mm diameter 180 mm;... -
Page 9: Wall-Mounting The Product
Set-up 4 Wall-mounting the product Removing the front casing ▶ Check the load-bearing capacity of the wall. Remove the front casing as shown in the illustration. Note the total weight of the product. Only use fixing material that is permitted for the wall. If required, ensure that mounting apparatus on-site has sufficient load-bearing capacity. -
Page 10: Removing The Side Section
5 Installation ▶ Removing the side section If, during gas leak-tightness tests, you also place the gas lines and the gas valve in the product under pressure, use a max. test pressure of 11 kPa (110 mbar). ▶ If you cannot limit the test pressure to 11 kPa (110 mbar), close any gas isolator cocks that are installed upstream from the product before you carry out the gas leak-... -
Page 11: Installing The Gas Connection
Installation 5 5.1.3 Using the correct gas type Installing the gas connection Using the incorrect gas type may cause fault shutdowns in the product. Ignition and combustion noise may occur in the product. ▶ Only use a gas type from the gas group that is defined on the data plate. -
Page 12: Connecting The Heating Flow And Heating Return
5 Installation Connecting the heating flow and heating Installing the discharge pipe on the return expansion relief valve ▶ Establish the heating connections (1) in accordance with the relevant standards. Descaling the water The probability of scale increases as the water temperature increases. - Page 13 Installation 5 – 80/125 mm diameter: Air/flue gas system installation set, Caution. article number 303208 Risk of poisoning due to escaping flue Permissible accessories for extending the horizontal connec- gas. tion: Mineral-oil-based greases can damage the – All those listed in the assembly instructions for the air/flue seals.
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Page 14: Electrical Installation
5 Installation 5.9.5.2 Installing the connection piece for the 5.10.2 Carrying out the wiring air/flue pipe, 80/125 mm diameter Caution. Remove the connection piece for the air/flue pipe. Risk of material damage caused by incor- (→ Page 13) rect installation. Insert the alternative connection piece. - Page 15 Installation 5 5.10.4 Installing the product in a wet room 5.10.6 Connecting the communication unit The product can be connected to the Internet. Danger! ▶ Connect the communication unit in accordance with the Risk of death from electric shock! installation instructions enclosed with the communication If you install the product in a room with high unit.
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Page 16: Operation
6 Operation ◁ 5.10.9 Connecting the circulation pump and All heating and hot water requests are blocked whilst the installation assistant is active. actuating it according to requirements Carry out the wiring. (→ Page 14) Note Connect the 230 V connection cable to the plug from If you do not confirm the launch of the install- slot X13 and plug it into the slot. - Page 17 Start-up 7 7.2.4 Hydraulic operating mode Note ▶ Green iQ mode is a special operating mode The product is equipped with a constant pressure regula- that can be used to save energy. If this mode tion, which means that an overflow section is no longer is activated, the product operates in the heat- necessary (factory setting).
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Page 18: Restarting The Installation Assistants
7 Start-up Restarting the installation assistants Checking and treating the heating water/filling and supplementary water Menu → Installer level → Start inst. assistant Caution. You can restart the installation assistant at any time by call- ing it up in the menu. Risk of material damage due to poor-qual- ity heating water Test programmes... -
Page 19: Preventing Low Water Pressure
Start-up 7 The pressure value flashes in the display until a pressure of Caution. 0.11 MPa (1.1 bar) or higher has been reached. Risk of material damage if the heating water is treated with unsuitable additives. Filling the heating installation Unsuitable additives may cause changes in the components, noises in heating mode and possibly subsequent damage. -
Page 20: Purging The Heating Installation
7 Start-up ◁ Purging the heating installation Existing calibration points are deleted. The display shows the successful deletion. Select the check programme P.00. ▶ Start check programme P.01. ◁ The product does not start up, the internal pump – Duration: 7-10 minutes. Automatic programme end operates intermittently and purges either the heating after 15 minutes circuit or the hot water circuit. -
Page 21: Checking Leak-Tightness
Start-up 7 Start up the product with the check programme P.01. Note ▽ If S.85 is shown, the hot water circulation must be Since the combustion can be continuously extended. monitored by the product, you do not need to ◁ S.93 is briefly displayed. -
Page 22: Adapting The Unit To The Heating Installation
8 Adapting the unit to the heating installation ▶ Adjust the target temperature for the connected do- Set maximum burner anti-cycling time Flow mestic hot water cylinder to the controller. [min] (target) ◁ The boiler adopts the set target temperature which is [°C] set on the controller. -
Page 23: Setting The Hydraulic Operating Mode
Adapting the unit to the heating installation 8 Setting the hydraulic operating mode 8.4.1.3 VC 246/5-7, 276/5-7 pump characteristic ▶ Navigate to Menu → Installer level → Diagnostics menu → D.130 Hydraulic operating mode and confirm by pressing ▶ If required, set the hydraulic mode and confirm by press- If you have installed a low loss header in the heating installa- tion, adjust the speed regulation and set the pump output to a fixed value. -
Page 24: Handing The Product Over To The End User
9 Handing the product over to the end user ◁ – Minimum volume flow: ≥ 180 l/h The measuring probes must be rinsed and must not ▶ be contaminated by a previous measurement. Specify a pressure level and confirm by pressing ▶... -
Page 25: Eliminating Faults
Troubleshooting 10 10.3 Eliminating faults 10.6.2 Procuring spare parts ▶ If fault messages (F.XX) appear, eliminate the fault The original components of the product were also certified by referring to the table in the appendix or using the by the manufacturer as part of the declaration of conformity. function menu (→... - Page 26 10 Troubleshooting 10. Switch on the product. 11. Navigate to Menu → Installer level → Diagnostics menu → D.052 Min. gas valve steps offset and con- firm by pressing 12. Enter the offset value that you read off and confirm by pressing 13.
- Page 27 To make the installation easier, use only the lubricant that may be included with the Vaillant spare part. If no lubricant is included with the Vaillant spare part, use only water or commercially available soft soap. 14. Insert the flow and return connections into the heat exchanger as far as they will go.
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Page 28: Completing Repair Work
11 Inspection and maintenance 10.7.8 Replacing the all-gas sensor If you are replacing the PCB, remove the coding res- istor (1) (plug X24) from the old PCB and plug the plug onto the new PCB. Close the electronics box. 10.7.7 Replacing the PCB and the display Open the electronics box. -
Page 29: Electronics Self-Test
Inspection and maintenance 11 Test Display Action programme T.04 Check cylinder Switch the cylinder charging charge pump pump on and off. T.05 Check circula- Switch the circulation pump tion pump on and off. T.06 Check external Switch the external pump on pump and off. -
Page 30: Cleaning The Condensate Siphon
11 Inspection and maintenance 11.3.2 Cleaning the heat exchanger 11.3.4 Installing the compact thermal module Protect the folded down electronics box against sprayed water. Never undo the four nuts on the stud bolt (1) or tighten them. Clean the heating coil (3) of the heat exchanger (4) us- ing water or, if required, vinegar (to a maximum of 5% acid). -
Page 31: Draining The Product
Make sure that the cap of the automatic air vent on the internal pump is open so that the product can be 14 Customer service drained fully. Auftragsannahme Vaillant Kundendienst: 021 91 5767901 11.6 Checking the pre-charge pressure for the internal expansion vessel Close the service valves and drain the product. -
Page 32: Appendix
Appendix Appendix Pipe lengths in the B23P installation Note The maximum pipe length (straight pipe only) corresponds to the maximum permitted flue gas pipe length without any elbows. If elbows are used, the maximum pipe length must be reduced in accordance with the dynamic flow characteristics of the elbows. - Page 33 Appendix Setting level Values Default Unit Increment, select, explanation setting Min. Max. ℃ – DHW temperature Product with hot water generation or connected domestic hot water cylinder – – – Green iQ On, Off – Auxiliary relay 1 = Circulation pump 2 = External pump 3 = Cylinder charging pump 4 = Extractor hood...
- Page 34 Appendix Setting level Values Default Unit Increment, select, explanation setting Min. Max. – Hydraulic operating mode 0: Without overflow 1: 40% (low loss head.) 2: 60% (low loss head.) 3: 100% (low loss head.) 4: With overflow Pressure level mbar ℃...
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Page 35: C Overview Of Diagnostics Codes
Appendix Overview of diagnostics codes Note Since the code table is used for various products, some codes may not be visible for the product in question. Values Default Code Parameter Unit Increment, select, explanation setting setting Min. Max. D.000 Heating partial load Output-range- Adjustable partial heat load Auto... - Page 36 Appendix Values Default Code Parameter Unit Increment, select, explanation setting setting Min. Max. – D.017 Control type Heating flow/return temperature control changeover 0: Flow 1: Return (conversion for underfloor heating) If you have activated the return temperature control, the function for automatically limiting the heat- ing output using the volume flow remains active.
- Page 37 Pump mode 0 = Relay with disable facility 1 = PWM with disable facility – D.047 Current outside temperat- Current value °C (with Vaillant weather-compensated Not ad- control) justable – D.050 Offset min. speed 3000 Nominal value set in factory –...
- Page 38 Appendix Values Default Code Parameter Unit Increment, select, explanation setting setting Min. Max. – D.058 Solar post-heating Combination products only 0 = Solar post-heating deactivated 3 = Domestic hot water activated (min. target value 60 °C) – – D.060 Number of safety therm. Current value Number of safety cut-out switch-off Not ad-...
- Page 39 Appendix Values Default Code Parameter Unit Increment, select, explanation setting setting Min. Max. – – D.087 Set the type of gas 0: Natural gas 1: Propane 50 mbar 2: Propane 30/37 mbar Fit the correct coding resistor for gas family X24: –...
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Page 40: D Status Codes - Overview
Appendix Values Default Code Parameter Unit Increment, select, explanation setting setting Min. Max. – D.130 Hydraulic operating mode 0: Without bypass valve 1: 40% (low loss head.) 2: 60% (low loss head.) 3: 100% (low loss head.) 4: With bypass valve –... -
Page 41: E Overview Of Fault Codes
Water pressure sensor self-test are blocked. Flow/return sensor test running, heating demands are S.98 Flow/return temperature sensor self-test blocked. S.99 Vaillant self-test Self-test Unit not purged (D.130 = 0: No bypass valve) S.105 Unit not purged Overview of fault codes Note Since the code table is used for various products, some codes may not be visible for the product in question. - Page 42 Appendix Code Parameter Possible causes F.13 Short circuit: Cylinder sensor Combination product: Warm start sensor/cylinder sensor short circuit Combination product with actoSTOR: Short circuit cylinder sensor (NTC) only in combination with F.91 NTC defective, short circuit in cable harness, cable/housing F.20 Safety switch-off: Temperature limiter Incorrect earth connection between cable harness and product, flow or...
- Page 43 Appendix Code Parameter Possible causes F.55 Fault: CO sensor Checking the cable harness All-gas sensor defective, replace the all-gas sensor Electronics defective, replace the PCB F.56 Safety switch-off: CO limit exceeded Safety shutdown: CO limit value exceeded A component in the combustion regulation is defective –...
- Page 44 Appendix Code Parameter Possible causes F.81 Fault: cylinder charging pump Only in conjunction with F.91 Cylinder is not fully charged after specified time. – Check cylinder charging sensor and cylinder sensor – Air in the actoSTOR pump – Inspect cable harness for pump –...
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Page 45: F Connection Diagram
Appendix Connection diagram +24V Hallsignal Masse X100 X40 X51 X100 230V~ X101 X101 0020186710_06 ecoTEC exclusive Installation and maintenance instructions... -
Page 46: G Inspection And Maintenance Work - Overview
Appendix Main PCB Prioritising diverter valve Control panel PCB Water pressure sensor All-gas sensor Cylinder temperature sensor Gas valve assembly Cylinder contact "C1/C2" Outdoor temperature sensor, flow temperature Internal heating circuit flow rate sensor sensor (optional, external), DCF receiver Internal heating circuit differential pressure sensor Circulation pump remote control Internal pump Return temperature sensor... -
Page 47: H Technical Data
Appendix Mainten- ance Inspection Work (At least (annual) every two years) Ensure that no gas, flue gas, domestic hot water or condensate is leaking from the product. Restore leak-tightness if necessary. Record the inspection/maintenance work carried out. Technical data Technical data – General VC 156/5‑7 VC 216/5‑7 VC 246/5‑7... - Page 48 Appendix VC 156/5‑7 VC 216/5‑7 VC 246/5‑7 VC 276/5‑7 VC 326/5‑7 VC 216/5‑7 (N-DE) (N-DE) (N-DE) (N-DE) (N-DE/DK) (N-DE) ecoTEC ecoTEC ecoTEC ecoTEC ecoTEC ecoTEC exclusive exclusive exclusive exclusive exclusive exclusive l. e. Approved gas boiler B23, B23P, B23, B23P, B23, B23P, B23, B23P, B23, B23P,...
- Page 49 Appendix Technical data – Heating VC 156/5‑7 VC 216/5‑7 VC 246/5‑7 VC 276/5‑7 VC 326/5‑7 VC 216/5‑7 (N-DE) (N-DE) (N-DE) (N-DE) (N-DE/DK) (N-DE) ecoTEC ecoTEC ecoTEC ecoTEC ecoTEC ecoTEC exclusive exclusive exclusive exclusive exclusive exclusive l. e. 85 ℃ 85 ℃ 85 ℃...
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Page 50: Index
Index Index Disposing of the packaging ..........31 Documents ................6 Draining, product ..............31 Accessories ................. 12 Electricity ................5 Air clamp ................12 Air index setting..............21 Electronics box, closing............14 Electronics box, opening ............. 14 Air/flue gas installation ............12 Air/flue pipe, connecting ............ - Page 51 Index Setting, hydraulic operating mode........23 Language ................16 Setting, liquid gas ..............17 Leak-tightness ............21, 28, 31 Setting, maintenance interval ..........22 Liquid gas ..............4, 10–11 Side section, installing............10 Liquid gas, setting ............... 17 Side section, removing ............10 Spare parts................
- Page 52 0020186710_06 0020186710_06 03.05.2018 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.