Related Manuals for Vaillant AutoCompact VSC D 4 Series
Summary of Contents for Vaillant AutoCompact VSC D 4 Series
- Page 1 Installation and maintenance instructions auroCOMPACT VSC D ../4 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 Calling up appliance config. and diagnostics menu..............22 Performing a gas family check ......22 Safety ..............4 7.10 Using check programmes ........23 Action-related warnings ......... 4 7.11 Checking and treating the heating water/filling Intended use ............4 and supplementary water ........ - Page 3 Contents 10.7 Using check programmes ........37 10.8 Resetting parameters to factory settings ..... 37 10.9 Preparing the repair work ........37 10.10 Replacing defective components......37 10.11 Completing repair work........41 Decommissioning..........41 11.1 Decommissioning the product ......41 Recycling and disposal........
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Page 4: Safety
1 Safety – 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 5 Safety 1 ▶ If possible, open doors and windows fully 1.3.6 Risk of poisoning and burns caused by escaping hot flue gases and ensure adequate ventilation. ▶ Do not use naked flames (e.g. lighters, ▶ Only operate the product if the air/flue pipe matches).
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Page 6: Regulations (Directives, Laws, Standards)
1 Safety ▶ Ensure that the combustion air is not 1.3.12 Risk of death from escaping flue gas routed through chimneys which have If you operate the product with an empty con- previously been used with floor-standing densate siphon, flue gas may escape into the oil-fired boilers, or with other boilers, room air. -
Page 7: Notes On The Documentation
Notes on the documentation 2 Notes on the documentation Information on the Meaning data plate Observing other applicable documents DHW mode ▶ You must observe all the operating and installation in- Nominal heat output range in heating structions included with the system components. mode Nominal heat output range in domestic Storing documents... -
Page 8: Functional Elements
4 Set-up Set-up Functional elements Unpacking the product Remove the packaging surrounding the unit. Remove the front casing. (→ Page 11) Unscrew the four fixing tabs at the front and rear of the pallet and remove them. Checking the scope of delivery ▶... -
Page 9: Unit Dimensions
Set-up 4 Unit dimensions Minimum clearances 70 70 160 mm 165 mm (air/flue pipe, 60/100 mm diameter) 425 mm 275 mm (air/flue pipe, 20 mm; (≥ 300 mm) 80/125 mm diameter) 40 mm 600 mm 70 mm Clearance from combustible components It is not necessary to maintain a clearance between the product and components made of combustible materials that goes beyond the minimum clearances (→... - Page 10 4 Set-up Danger! Risk of injury due to repeated use of the carrying handles. Due to material ageing, the carrying handles are not designed to be reused during any subsequent transportation. ▶ Never reuse the carrying handles. Remove the front casing. (→ Page 11) Conditions: The unit is too bulky or heavy for transport.
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Page 11: Unit Installation Site
Set-up 4 Installing the product horizontally Never transport the unit as illustrated above. ▶ Use the adjustable feet to set up the product horizontally. After you have set up the unit, cut off the carrying handles and dispose of them in accordance with the relevant regulations. -
Page 12: Removing/Installing The Vacuum Chamber's Front Wall
5 Installation Caution. Risk of material damage caused by residues in the pipelines. Welding remnants, sealing residues, dirt or other residues in the pipelines may damage the product. ▶ Flush the heating installation thoroughly before installing the product. Caution. Risk of material damage caused by changes to the pipes that have already been connected. -
Page 13: Checking The Gas Meter
Installation 5 Checking the gas meter Install a stopcock on the heating flow. Install a stopcock on the gas pipe. ▶ Make sure that the existing gas meter is capable of Blow or flush the supply pipes thoroughly prior to install- passing the rate of gas supply required. -
Page 14: Solar Connection
5 Installation Note If there is a fault in the solar system or if the solar system is connected at a later point, this unit can be used without being connected to the solar cir- cuit. In this case, set diagnostics code d.200 to 1. ▶... -
Page 15: Air/Flue System
Installation 5 Note If there is insufficient solar fluid in the installa- tion, the pump may cause a noise. If required, fill the unit. 5.5.4 Solar connection Note The unit has the following components as stand- ard: - Solar pump - Safety assembly - Fill level indicator - Solar fluid collecting vessel... -
Page 16: Electrical Installation
5 Installation Danger! Risk of death from electric shock as a res- ult of an improper electrical connection! An improper electrical connection may neg- atively affect the operational safety of the product and result in material damage or per- sonal injury. ▶... - Page 17 Installation 5 5.7.2 Carrying out the wiring 5.7.3 Establishing the power supply Caution. 230V Risk of material damage due to high con- nected voltage. At mains voltages greater than 253 V, elec- 24V / eBUS tronic components may be damaged. ▶...
- Page 18 Conditions: If you are connecting a weather-compensated eBUS control ▶ Use a flexible line for the mains connec- or a room-temperature-controlled Vaillant eBUS control: tion line, which is routed through the cable duct into the product. ▶ Observe all valid regulations.
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Page 19: Operation
Operation 6 5.7.8.4 Actuating a circulation pump with an eBUS Conditions: If you are connecting a safety thermostat for underfloor heat- ing: controller ▶ Connect the thermostat to the Burner off plug instead of Select a hot water programme (preparation). the shunt. -
Page 20: Test Programmes
7 Start-up Test programmes Caution. An incorrect gas group setting may cause As well as the installation assistants, you can also call up the test programmes for start-up, service and troubleshooting. operating faults or a reduction in the ser- vice life of the product. Menu →... -
Page 21: Filling The Solar System
Start-up 7 Filling the solar system Switching on the product ▶ Press the on/off button on the product. ◁ The basic display appears on the display. Running the installation assistants The installation assistant is displayed whenever the product is switched on until it has been successfully completed. It provides direct access to the most important check programmes and configuration settings for starting up the product. -
Page 22: Restarting The Installation Assistants
7 Start-up Calling up appliance config. and diagnostics menu You can recheck and reset the most important system para- meters using the diagnostics codes. Call up the Appliance config. to configure the unit. Menu → Installer level Appliance config. The settings options for more complex systems can be found in the Diagnostics menu. -
Page 23: Using Check Programmes
Start-up 7 Result Meaning Measure P.00 Purging check programme: The heating pump is actuated cyclically. "Warning" Combustion Start check programme The heating circuit and the hot water circuit are quality inad- P.01 and adjust the CO₂ purged via the automatic air vent on the heat pump equate. -
Page 24: Checking And Treating The Heating Water/Filling And Supplementary Water
7 Start-up 7.11 Checking and treating the heating Caution. water/filling and supplementary water Risk of material damage if the heating water is treated with unsuitable additives. Caution. Unsuitable additives may cause changes in Risk of material damage due to poor-qual- the components, noises in heating mode and ity heating water possibly subsequent damage. -
Page 25: Preventing Low Water Pressure
Start-up 7 7.13 Preventing low water pressure 15. To purge the heating installation, select the check pro- gramme P.00. To prevent damage to the heating installation that is caused ◁ The unit does not switch on, the internal pump runs by low filling pressure, the product is fitted with a water pres- intermittently and enables the circuit to be purged. -
Page 26: Checking And Adjusting The Gas Setting
7 Start-up 7.16 Checking and adjusting the gas setting Conditions: Gas connection pressure not in the permissible range 7.16.1 Checking the gas connection pressure (gas Caution. flow pressure) Risk of material damage and operating Close the gas isolator cock. faults caused by incorrect gas connec- tion pressure. -
Page 27: Checking Leak-Tightness
You can use the parameters that are marked as adjustable ▶ in the overview of diagnostics codes to adapt the product to If this is the case, inform Vaillant Customer Service. ▶ the heating installation and the needs of the customer. -
Page 28: Setting The Maximum Heating Output
8 Adapting the unit to the heating installation Setting the maximum heating output Set maximum burner anti-cycling time [min] Flow (target) The unit's maximum heating output can be adjusted to the [°C] system's heat demand. Use diagnostics code D.000 to set a value that corresponds to the output in kW. -
Page 29: Setting The Pump Output
Adapting the unit to the heating installation 8 Bypass in factory set- Bypass open/Vmin/code Burner operating hours until the Number ting/Vmax/code d148=8 d14=0 Heat de- next inspection/maintenance work of per- (boost) Throughput in circuit mand is due (dependent upon the sys- sons Bypass in factory set- (l/h) -
Page 30: Setting The Domestic Hot Water Temperature
8 Adapting the unit to the heating installation 8.11 Handing the product over to the end user Note When starting up the product or after switching When you have finished the installation, attach the on the power supply, this pump setting does sticker supplied (835593) to the front of the product in not take effect until after the burner has run for the user's language. -
Page 31: Inspection And Maintenance 9
Inspection and maintenance 9 Inspection and maintenance work – Overview Note (→ Page 48) The hot water thermostatic mixer protects against high temperatures in the hot water installation. Checking the product for leak-tightness The hot water from the cylinder is mixed with cold ▶... -
Page 32: Carrying Out Electronics Self-Tests
9 Inspection and maintenance ▶ Replace the self-locking nuts on the Test Display Action burner flange each time you open the programme burner flange. T.01 Check internal Switch the internal pump on ▶ pump and off. If the heat insulation on the burner flange or on the back wall of the heat exchanger T.02 Check 3-way... -
Page 33: Cleaning The Heat Exchanger
Inspection and maintenance 9 Rinse away any loose dirt with a sharp jet of water or use a plastic brush. Do not point the water jet directly at the heat insulation (1) on the back of the heat ex- changer. ◁... -
Page 34: Installing The Compact Thermal Module
9 Inspection and maintenance 9.10 Installing the compact thermal module Connect a hose to the drain cock (1) and guide the free end of the hose to a suitable outflow location. Open the drain cock to fully drain the unit's heating cir- cuit. -
Page 35: Checking The Pre-Charge Pressure Of The Expansion Vessel
Inspection and maintenance 9 – 9.12 Checking the pre-charge pressure of the End the draining process as soon as the anode con- nection projects from the water. expansion vessel Unscrew the magnesium protection anode (1) from the cylinder and check the extent to which it has corroded. If the anode is more than 60% worn, replace it. -
Page 36: Inspection And Maintenance
To restart the product, press the fault clearance key ( Operating instructions). ▶ If you are unable to remedy the fault and the fault recurs despite several fault clearance attempts, contact Vaillant Customer Service. Note If the product overheats, it switches itself off. -
Page 37: Using Check Programmes
Troubleshooting 10 10.7 Using check programmes 10.10.2 Replacing the fan You can also use check programmes (→ Page 23) for troubleshooting. 10.8 Resetting parameters to factory settings ▶ To reset all parameters simultaneously to the default settings, set D.096 to 1. 10.9 Preparing the repair work Decommission the product. - Page 38 10 Troubleshooting Note Each destroyed seal must be restored. 11. Remove the gas valve's bracket (2) from the fan by loosening the three screws (1). 12. Replace the defective fan. Remove the air intake pipe. Remove the plugs (3) from the gas valve. Remove the plug from the sensor on the Venturi (1) by pushing in the latching lug.
- Page 39 Troubleshooting 10 10.10.4 Replacing the Venturi Danger! Risk of poisoning due to increased CO values. An incorrect gas restrictor size can lead to increased CO values. ▶ When replacing the Venturi, ensure that you use the correct gas restrictor (colour coding and position of pins on the under- side of the gas restrictor).
- Page 40 10 Troubleshooting 14. Replace the seals. 15. Insert the flow and return connections into the heat exchanger as far as they will go. 16. Make sure that the brackets are seated correctly on the flow and return connections. 17. Install the compact thermal module. (→ Page 34) 18.
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Page 41: 10.11 Completing Repair Work
Disconnect the unit from the power mains and secure it against being switched back on again. 13.1 Customer service Conditions: Replacing the display or PCB Auftragsannahme Vaillant Kundendienst: 021 91 5767901 ▶ Replace the PCB or display according to the assembly and installation instructions supplied. ▶... -
Page 42: Appendix
Appendix Appendix Pipe lengths in the B23P installation Note The maximum pipe length (straight pipe only) corresponds to the maximum permitted flue pipe length without any elbows. If elbows are used, the maximum pipe length must be reduced in accordance with the dynamic flow char- acteristics of the elbows. -
Page 43: B Installer Level Menu Structure - Overview
Appendix Installer level menu structure – Overview Menu Information Reset burner off time Installer level Back Select Enter code Installer level F.00 Fault list F.75 Interruption Test programs Fault Appliance config. Flow sensor Pump water shortage Back Back Select Installer level Test programs Gas type check P.00... -
Page 44: C Overview Of Diagnostics Codes
Appendix Appliance config. D.026 D.026 Auxiliary relay Target flow temp. Zusatzrelais DHW temperature Auxiliary relay Cirkulation pump externe Pumpe Back Select Back Cancel Appliance config. D.027 D.027 Comfort mode DHW Accessory relay 1 Zubehörrelais 1 Auxiliary relay Accessory relay 1 Cirkulation pump externe Pumpe Back... - Page 45 Appendix Default User-spe- Code Parameter Values or explanations setting cific setting D.002 Max. burner anti-cycling time heating 2 … 60 min 20 min at 20 °C flow temperature D.003 Domestic hot water temperature at In °C Not ad- the plate heat exchanger outlet justable D.004 Cylinder domestic hot water temper- In °C...
- Page 46 Appendix Default User-spe- Code Parameter Values or explanations setting cific setting D.027 Switching from relay 1 to VR 40 2 in 1 = Circulation pump 1 = Circula- 7 multi-functional module tion pump 2 = External pump 3 = Cylinder charging pump (not activated) 4 = Flue non-return flap 5 = External solenoid valve 6 = External fault message...
- Page 47 Appendix Default User-spe- Code Parameter Values or explanations setting cific setting D.076 Device specific number Unit variant display (DSN) Not ad- justable D.080 Operating hours of the burner in In hours (h) Not ad- heating mode justable D.081 Operating hours of the burner for In hours (h) Not ad- domestic hot water generation...
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Page 48: D Inspection And Maintenance Work - Overview
Appendix Default User-spe- Code Parameter Values or explanations setting cific setting D.203 Speed of solar pump 1 In %, adjustment range: 0 to 100 Not ad- justable D.204 Speed of solar pump 2 In %, adjustment range: 0 to 100 Not ad- justable 20 …... -
Page 49: E Status Codes - Overview
Appendix Mainten- ance Inspection Work (at least (annual) every 2 years) Perform a test operation of the product and heating installation, including hot water generation, and purge the system once more if necessary. Check the type of gas. Carry out a visual inspection to check the ignition and combustion. Check the CO₂... -
Page 50: F Overview Of Fault Codes
Appendix Status code Meaning S.41 Water pressure > 2.8 bar. S.42 Feedback from the flue non-return flap is blocking burner operation (only in conjunction with multi-functional module ac- cessory) or condensate pump defective, heat requirement being blocked. S.46 Operation in comfort protection mode, flame goes out at minimum load. S.53 Unit in waiting period due to modulation block/operation block as a result of low water pressure (spread between flow and return too high). - Page 51 Appendix Code Meaning Cause F.28 Failure during start-up: Ignition unsuccessful Gas meter defective or gas pressure monitor has triggered, air in gas, gas flow pressure too low, thermal isolator device (TAE) has triggered, condensate route blocked, incorrect gas injector, incorrect spare part gas valve assembly, fault on the gas valve assembly, multiple plug on PCB incorrectly plugged in, break in cable harness, ignition system (ignition transformer, ignition cable, ignition plug, ignition electrode)
- Page 52 Appendix Code Meaning Cause F.74 Water pressure sensor signal outside correct Line to water pressure sensor has a short circuit to 5 V/24 V or internal range (too high) fault in the water pressure sensor F.75 Fault: Insufficient throughput on pump start-up. Pump defective, air in heating installation, too little water in unit, mass flow sensor defective F.77...
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Page 53: G Wiring Diagram
Appendix Wiring diagram Burner off X100 eBUS eBUS eBUS 230V~ Main PCB Coding resistor output range Interface PCB Pre-fitted plug for safety temperature limiters Coding resistor for the gas group Temperature sensor for the hot water flow 0020233500_01 auroCOMPACT Installation and maintenance instructions... -
Page 54: H Gas Adjustment Values As Set At The Factory
Appendix Heating flow temperature sensor Domestic hot water temperature sensor at the cylin- der outlet Heating return temperature sensor Heating pump Domestic hot water pump Venturi Main power supply Gas valve assembly Ignition electrode Temperature sensor in the cylinder On/off button 3-port valve Solar electronics PCB Pressure sensor... - Page 55 Appendix VSC D 206/4-5 Approximate value for the 1.82 l/h condensate volume (pH value between 3.5 and 4.0) at 50/30 °C ΔP heating at nominal flow 0.029 MPa (ΔT = 30 K) Technical data – G20 power/loading G20 VSC D 146/4-5 VSC D 146/4-5 VSC D 146/4-5 VSC D 206/4-5...
- Page 56 Appendix VSC D 206/4-5 VSC D 146/4-5 VSC D 146/4-5 VSC D 146/4-5 VSC D 206/4-5 150 (LL) Effective output range (P) 4.3 … 21.5 kW 3.3 … 15.2 kW 3.3 … 15.2 kW 3.3 … 15.2 kW 4.3 … 21.5 kW at 50/30 °C Effective output range (P) 3.8 …...
- Page 57 Appendix VSC D 206/4-5 Minimum heat input – heat- 5.3 kW ing (Q) Maximum heat input – hot 24.5 kW water (Q) Minimum heat input – hot 6.4 kW water (Q) Technical data – Domestic hot water VSC D 146/4-5 VSC D 146/4-5 VSC D 146/4-5 VSC D 206/4-5...
- Page 58 Appendix VSC D 146/4-5 VSC D 146/4-5 VSC D 146/4-5 150 (LL) Released system types Germany C13x, C33x, C13x, C33x, C13x, C33x, C43x, C53x, C43x, C53x, C43x, C53x, C83x, C93x, C83x, C93x, C83x, C93x, B23P, B33P, B23P, B33P, B23P, B33P, B53P B53P B53P...
- Page 59 Appendix VSC D 146/4-5 VSC D 146/4-5 VSC D 146/4-5 VSC D 206/4-5 VSC D 206/4-5 150 (LL) 150 (LL) Standby electrical power 4.2 W 4.2 W 4.2 W 4.2 W 4.2 W consumption Level of protection IP X4 D IP X4 D IP X4 D IP X4 D...
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Page 60: Index
Index Index Domestic hot water temperature Setting................22 Air/flue pipe ................. 15 Electricity ................4 Electronics self-test Air/flue pipe unit connection piece........15 Air/flue pipe, installed ............5 Carrying out ..............32 Appliance config. Calling up............... 22 Replacing............... 37 Article number ............... 7 Automatic air vent.............. - Page 61 Index Maintenance work ............. 48 Spare parts................31 Running ..............31, 36 Starting Maximum heating output ..........22, 28 Installation assistant ............22 Multi-functional module ............22 Status codes..............19, 49 Supply of combustion air ............5 Open-flued operation............. 5 Operating concept ...............
- Page 64 0020233500_01 0020233500_01 15.06.2018 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.
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