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Summary of Contents for Vaillant auroCOMPACT VSC S/4 Series
- Page 1 Installation and maintenance instructions auroCOMPACT VSC S ../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
Contents Contents Restarting the installation assistants ....23 Calling up appliance config. and diagnostics menu..............23 Safety ..............4 Performing a gas family check ......23 Action-related warnings ......... 4 7.10 Using check programmes ........24 Intended use ............4 7.11 Checking and treating the heating water/filling General safety information ........ - Page 3 Contents 10.6 Performing diagnostics ........39 10.7 Using check programmes ........39 10.8 Resetting parameters to factory settings ..... 39 10.9 Preparing the repair work ........39 10.10 Replacing defective components......39 10.11 Completing repair work........44 Decommissioning..........44 11.1 Decommissioning the product ......
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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 identification plate Observing other applicable documents PMS (e.g. 3 bar Maximum water pressure in heating (0.3 MPa)) mode ▶ You must observe all the operating and installation in- Electrical connection –... -
Page 8: Dvgw Mark
4 Set-up DVGW mark Solar circuit electronics Pressure sensor Secondary heat ex- Condensate siphon changer 3-way valve Heating expansion vessel Thermostatic radiator Switch box valve The DVGW mark documents that the products comply with Heating drain cock all of the requirements of the DVGW VP 112 (test basis from the German Association for Gas and Water Industry Asso- ciation for granting the DVGW quality mark) in accordance with the identification plate. -
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 Setting up the unit horizontally Never transport the unit as illustrated above. ▶ Use the adjustable feet to set up the unit 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 5.5.4 Solar connection Note The unit has the following components as stand- ard: - Solar pump - Safety group with pressure gauge - Expansion vessel - Air vent - Brine collecting container The total pipe length between the solar collectors and the cylinder must not be greater than 20 m in the inflow and 20 m in the return. -
Page 16: Electrical Installation
5 Installation ▶ Observe all applicable laws, standards Carefully exert pressure on the screwdriver (A). and directives in the process. Turn the connector anti-clockwise (B) as far as it will go ▶ and then remove it by pulling it upwards (C). Earth the product. - 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 5 Installation 5.7.6 Connecting controllers to the electronic If you install the product in protective area 2, it must be operated as room-sealed. Installation method B53P is system not permitted in this case. Open the electronics box. The mains connection cable selected must meet the requirements of the protective area.
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Page 19: Operation
Operation 6 5.7.7.1 Using the auxiliary relay Note The installer level is protected against unauthor- Connect an additional component directly to the integ- ised access using a password. rated auxiliary relay using the grey plug on the PCB. Connect the wiring in the same way as described in the section "Installing the control (→... -
Page 20: Checking The Factory Setting
7 Start-up Checking the factory setting Conditions: The product design is compatible with the local gas group ▶ Caution. Proceed as described below. Risk of material damage caused by mak- Filling the condensate siphon ing unauthorised settings. ▶ Danger! Never modify the factory setting of the gas pressure regulator of the gas valve. -
Page 21: Filling The Solar System
Start-up 7 – Filling the solar system 4.5 bar Carry out a visual inspection of the pipelines and con- nections. Fix any leaks and then check again. Re-work ▶ Only flush the solar circuit if the check does not reveal any defects. -
Page 22: Switching On The Product
7 Start-up 7.4.4 Purging the solar circuit ning the programme for automatically purging the heating and hot water circuits. Filling mode (check programme P.06) is activated automatic- ally in the installation assistant for as long as the filling mode appears on the display. If problems occur, restart the purge programme . -
Page 23: Restarting The Installation Assistants
Start-up 7 7.6.9 Telephone number for the competent person Result Meaning Measure You can store your telephone number in the unit menu. The F.92 The coding Check the coding res- resistor on the istor, repeat the gas fam- end user can view the telephone number. The telephone Coding PCB does not ily check and enter the... -
Page 24: Using Check Programmes
7 Start-up Result Meaning Measure P.00 Purging check programme: The heating pump is actuated cyclically. "Successful" Combustion None The heating circuit and the hot water circuit are quality is good. purged via the automatic air vent on the heating Unit configur- pump (the automatic air vent's cap must be ation matches loosened). -
Page 25: Checking And Treating The Heating Water/Filling And Supplementary Water
Start-up 7 7.11 Checking and treating the heating Total Water hardness at specific system volume water/filling and supplementary water heating > 20 l/kW output ≤ 20 l/kW > 50 l/kW ≤ 50 l/kW Caution. °dH mol/m³ °dH mol/m³ °dH mol/m³ Risk of material damage due to poor-qual- >... -
Page 26: Reading Off The Filling Pressure
7 Start-up 7.12 Reading off the filling pressure Check whether the stop cocks for the heating flow and return are open. The unit comes with a bar chart showing the pressure and a Slowly open the combined filling and emptying valve to digital pressure display. -
Page 27: Checking And Adjusting The Gas Settings
Start-up 7 As soon as check programme P.00 has finished, open 12. Check the measuring nipple for gas tightness. the air separator (1) on the unit's hot water circuit until Conditions: Gas connection pressure not in the permissible range water escapes from it, and then close it again. Caution. -
Page 28: Checking Leak-Tightness
Or manually relaunch the installation assistant. ment range, you must not start up the product. ▶ Menu → Installer level → Start inst. assistant If this is the case, inform Vaillant Customer Service. ▶ Screw the covering cap back in. ▶... -
Page 29: Setting The Maximum Heating Output
Adapting the unit to the heating installation 8 Setting the maximum heating output Set maximum burner anti-cycling time [min] Flow (target) The product's maximum heating output is set to Auto at the [°C] factory. If you want to set your own fixed maximum heating 11.0 15.0 18.5... -
Page 30: Setting The Pump Output
8 Adapting the unit to the heating installation 8.8.1 Remaining feed head, pump Burner operating hours until the Number Heat de- next inspection/maintenance work 8.8.1.1 Pump characteristic line for 20 kW of per- mand is due (dependent upon the sys- sons tem type) 1 ‑... - Page 31 Adapting the unit to the heating installation 8 Note Note When starting up the product or after switching When starting up the product or after switching on the power supply, this pump setting does on the power supply, this pump setting does not take effect until after the burner has run for not take effect until after the burner has run for the first time.
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Page 32: Setting The Domestic Hot Water Temperature
8 Adapting the unit to the heating installation ▶ In this case, set the pump output to 5 (100%) using diagnostics code D.014. ▶ Remove the front casing. (→ Page 11) ▶ Set the pressure using the adjusting screw (1). Position of the Pres- Notes/application... -
Page 33: Setting The Hot Water Thermostatic Mixer
Inspection and maintenance 9 to comply with the applicable regulations Note regarding legionella prevention. Depending on the temperature setting for the cylinder, the auxiliary heater is activated if the solar heating is not sufficient for achiev- Inform the end user that the specifications for domestic ing the target temperature. -
Page 34: Procuring Spare Parts
9 Inspection and maintenance ertheless necessary to carry out maintenance work at least Carrying out electronics self-tests every two years. Menu → Installer level → Test programs → Electronics self-test Procuring spare parts You can use the electronics self-test to check the PCB in The original components of the product were also certified advance. -
Page 35: Cleaning The Heat Exchanger
Inspection and maintenance 9 14. Check the burner and the heat exchanger for damage and dirt. 15. If necessary, clean or replace the components accord- ing to the following sections. 16. Fit a new burner door seal. 17. Check the heat insulation on the burner door. If you notice any signs of damage, replace the heat insulation. -
Page 36: Cleaning The Condensate Siphon
9 Inspection and maintenance Cleaning the condensate siphon 9.11 Draining 9.11.1 Draining the unit's heating circuit Remove the lower section of the siphon (1) by turning the bayonet fitting anti-clockwise. Close the service valves in the heating flow and in the Flush the lower section of the condensate siphon with heating return. -
Page 37: Checking The Pre-Charge Pressure Of The Expansion Vessel
Inspection and maintenance 9 Open the purging valves on the radiators. Start from the highest radiator and then work from the top to the bottom. Once the heating water has completely drained from the system, close the purging valves of all the radiators and the drain cock again. -
Page 38: Cleaning The Heating Filter
10 Troubleshooting 9.15 Cleaning the heating filter 9.17 Installation position of the safety cut-out Note If the product overheats, it switches itself off. Once the operating temperature has dropped back down, the safety cut-out must be reset before starting up the product again. Drain the unit's heating circuit. -
Page 39: Reading Off The Fault Codes
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. 10.4 Querying the fault memory Menu → Installer level Fault list The product has a fault memory. - Page 40 10 Troubleshooting Remove the assembly (which is made up of the fan, Venturi jet and gas valve) from the unit. Loosen the gas valve's fixing screw (3) from the bracket. Remove the gas valve from the retainer. 10. Remove the Venturi jet (2) and the gas connection pipe (1) from the fan by turning the bayonet fitting on the 13.
- Page 41 Troubleshooting 10 10.10.4 Replacing the Venturi Remove the air intake pipe. Remove the air intake pipe. Remove the plugs (3) from the gas valve. Remove the plug from the sensor on the Venturi jet (2) Remove the plug from the sensor on the Venturi (1) by by pressing on the locking lug.
- Page 42 10 Troubleshooting ▶ Insert the gas restrictor for the gas group in question Applicability: Austria (which may have been replaced) into the (new) Ven- turi. Danger! Risk of poisoning due to increased CO Colour of the gas Type of gas restrictor values.
- Page 43 Troubleshooting 10 10.10.6 Replacing the expansion vessel Disconnect the plug connection (2) of the thermal fuse. Empty the product Remove the lower three screws (3) on the rear section Detach the connection (3). of the retainer. Undo the strap handle (2). 10.
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Page 44: 10.11 Completing Repair Work
Der flächendeckende Kundendienst für ganz Österreich ist language after switching on. The default language set- täglich von 0 bis 24 Uhr erreichbar. Vaillant Kundendienst- ting is English. techniker sind 365 Tage für Sie unterwegs, sonn- und feier- ▶... -
Page 45: Appendix
Appendix 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... -
Page 46: B 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 47 Appendix Default User-spe- Code Parameter Values or explanations setting cific setting 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 Not ad- ature justable D.005 Heating flow temperature, target In °C, max.
- Page 48 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 49 Appendix Default User-spe- Code Parameter Values or explanations setting cific setting D.075 Max. charging time for domestic hot 20 - 90 min 45 mins water cylinder without independent control system D.076 Device specific number Unit variant display (DSN) Not ad- justable D.080 Operating hours of the burner in In hours (h)
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Page 50: C Inspection And Maintenance Work - Overview
Appendix Default User-spe- Code Parameter Values or explanations setting cific setting D.200 Solar function 0 = Function activated 0 = Function activated 1 = Function deactivated −99 … 120 ℃ D.201 Temperature sensor on the lower Not ad- part of the cylinder justable −99 …... -
Page 51: D Status Codes - Overview
Appendix Mainten- ance Inspection Work (at least (annual) every 2 years) Install the compact thermal module. Caution: Replace the seals. If the volume of water is insufficient or the outlet temperature is not reached, replace the second- ary heat exchanger if necessary. Open the gas isolator cock, reconnect the product to the power mains and switch the product on. -
Page 52: E Overview Of Fault Codes
Appendix Status code Meaning S.34 Frost protection mode active. S.35 Unit in waiting period because of fan block due to speed being too high or too low. S.36 Controller target value constantly < 20 °C, the external controller is blocking heating mode. S.37 Fan speed deviation in operation too high. - Page 53 Appendix Code Meaning Cause F.27 Safety switch-off: Flame simulation Moisture on the electronics, electronics (flame monitor) defective, gas solenoid valve leaking 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 duct blocked, incorrect gas restrictor, incorrect spare part gas valve, fault on the gas valve, multiple plug on PCB incorrectly plugged in, break in cable harness, ignition system (ignition transformer,...
- Page 54 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 55: F Connection Diagram
Appendix Connection diagram Burner off X100 eBUS eBUS eBUS 230V~ Main PCB Pre-fitted plug for safety temperature limiters Interface PCB Temperature sensor for the hot water flow Coding resistor for the gas group Temperature sensor in the heating flow Coding resistor output range Temperature sensor in the heating return 0020181589_04 auroCOMPACT Installation and maintenance instructions... -
Page 56: G Gas Adjustment Values As Set At The Factory
Appendix Hot water temperature sensor at the cylinder outlet Venturi Heating pump Gas valve Hot water pump Temperature sensor in the cylinder Main power supply 3-way valve Ignition electrode Pressure sensor On/off button Volume flow sensor Solar electronics PCB Gas adjustment values as set at the factory Applicability: Austria G20 natural Settings... - Page 57 Appendix VSC S 146/4-5 150 VSC S 206/4-5 150 (LL) (LL) 80 ℃ 80 ℃ Maximum heating flow temperature 30 … 80 ℃ 30 … 80 ℃ Max. flow temperature ad- justment range (default setting: 75 °C) Maximum permissible 0.3 MPa 0.3 MPa pressure Nominal water flow...
- Page 58 Appendix VSC S 146/4-5 150 VSC S 146/4-5 190 VSC S 206/4-5 150 VSC S 206/4-5 190 Maximum heat input – 14.3 kW 14.3 kW 20.4 kW 20.4 kW heating (Q) Minimum heat input – heat- 3.2 kW 3.2 kW 4.0 kW 4.0 kW ing (Q)
- Page 59 Appendix Technical data – Domestic hot water VSC S 146/4-5 150 VSC S 146/4-5 190 VSC S 206/4-5 150 VSC S 206/4-5 190 Specific flow rate (D) (ΔT 18.8 l/min 19.5 l/min 21.5 l/min 24.1 l/min = 30 K) in accordance with EN 13203 Output characteristic fig- ure in accordance with the...
- Page 60 Appendix VSC S 146/4-5 150 VSC S 146/4-5 190 VSC S 206/4-5 150 Nominal efficiency at 50/30 °C 106.5 % 106.5 % 105.4 % Efficiency in partial load operation (30%) at 40/30 °C 108 % 108 % 108 % NOx class Boiler dimension, width 599 mm 599 mm...
- Page 61 Appendix VSC S 146/4-5 150 VSC S 206/4-5 150 (LL) (LL) Electric connection 230 V / 50 Hz 230 V / 50 Hz Built-in fuse (slow-blow) T4A/250 T4A/250 Max. electrical power con- 175 W 175 W sumption Standby electrical power 4.2 W 4.2 W consumption...
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Page 62: Index
Index Index Electricity ................4 Electronics self-test Air/flue pipe ................. 15 Carrying out ..............34 Air/flue pipe unit connection piece........15 Air/flue pipe, installed ............5 Replacing............... 39 Appliance config. Calling up............... 23 Fault codes................ 52 Reading ................. 39 Article number ............... 7 Automatic air vent.............. - Page 63 Index Serial number ................ 7 Maintenance interval Service message..............38 Setting................29 Service partner ..............38 Maintenance work ............. 50 Setting the pump output ............30 Running ..............33, 38 Spare parts..............33–34 Maximum heating output ........... 22 Starting Setting................29 Installation assistant ............
- Page 64 0020181589_04 0020181589_04 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 Vaillant Group Austria GmbH Clemens-Holzmeister-Straße 6 1100 Wien Telefon 05 7050 Telefax 05 7050‑1199 Telefon 05 7050‑2100 (zum Regionaltarif österreichweit, bei Anrufen aus dem Mobilfunknetz ggf. abweichende Tarife - nähere Information erhalten Sie bei Ihrem Mobilnetzbetreiber)
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