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Installation and maintenance instructions auroSTEP plus 0020077748_FT1

9 Service/diagnostics

You can access the service/diagnostic level by simulta-
neously pressing the programming button and the knob
for approx. 3 seconds.

Display

Actuators/Sensor values

Test procedure

Test collector pump 1 (solar pump)

Collector pump 1 on, all other actuators off

Test collector pump 2 (booster pump)

Collector pump 2 on, all other actuators off

Test anti-Legionella pump / Bypass-diverter valve

Anti-Legionella pump on, all other actuators off

Electric heating element (EP) test

Test electric heating element on, all other actua-
tors off

C1/C2 contact test

C1/C2 contact closed, all other actuators off

Cylinder temperature display for cylinder sensor 1

Cylinder temperature display for cylinder sensor 2

Temperature display for collector sensor

Table 9.1 Actuator/Sensor test

9 Service/diagnostics

Содержание 0010007381

Страница 1: ...he heating engineer System Description Installation and Maintenance Manual auroSTEP plus System for solar powered hot water generation VIH SN 350 3 MiP VIH SN 350 3 iP VEH SN 350 3 iP VEH SN 350 3 iP c DE EN ...

Страница 2: ......

Страница 3: ...iption auroSTEP plus 0020077748_FT1 Contents 1 Notes on the documentation 2 1 1 Storage of the documents 2 1 2 Symbols used 2 1 3 Applicability of the manual 2 2 System description 2 2 1 Scope of delivery and accessories 2 2 2 Cylinder unit 5 2 3 Construction and function 5 ...

Страница 4: ...y of the manual This system description applies exclusively to units with the following part numbers Appliance type Part number VIH SN 350 3 MiP 0010007383 VIH SN 350 3 iP 0010007381 VEH SN 350 3 iP 0010007385 VEH SN 350 3 iP c 0010007387 Table 1 1 Applicability of the manual The article number of the unit can be found on the iden tification plate 2 System description This system description is in...

Страница 5: ...g Other accessories 11 Single tube insulation bird safe 0 75 m long 12 Solar drain back reservoir Accessories for flat roof installation 13 Frame 14 Mounting rail 15 Gravel tray 16 Securing clip for gravel tray Accessories for on roof mounting 17 Mounting rail 18 Rafter anchor type P for Frankfurt pantiles 19 Rafter anchor type S for plain tiles or slates 20 Hanger bolt mounting kit Anchor M12x280...

Страница 6: ...19 Roof anchor type S for beaver tail etc Anchor basic kit for 1st collector Anchor upgrade kit for 2nd collector 4 2 0020067275 0020067276 1 1 20 Hanger bolt mounting kit 4 0020067277 2 Table 2 4 System material list for on roof installation Basic kit1 2 collectors Item Description Qty Kit no 21 Ridge plate connector top bottom 0020059906 22 Side section right left 23 Clamp inner outer 12 24 Fron...

Страница 7: ...350 3 MiP and VIH SN 350 3 iP solar cylinders to assist the post heating so that no post heating by means of the boiler is required in sum mer operation Apart from solar heating post heating of the hot water is effected by means of the boiler or circulating water heater or by the electric heating element in the upper warmer area of the cylinder The pre heated volume for the post heating is approx ...

Страница 8: ...asy to install 2 in 1 solar copper pipe available as an accessory in 10m lengths Part No 302359 or in 20m lengths Part No 302360 with which the system operates optimally and reliably In addition comply with the Energy Conservation Regulation EnEV and the DVGW working sheet W551 Solar cylinder C The VIH SN 350 3 iP VIH SN 350 3 MiP VEH SN 350 3 iP and VEH SN 350 3 iP c cylinders have a filling volu...

Страница 9: ...the casing 12 5 Installation 12 5 1 Fitting the DHW supply lines 12 5 2 Fitting the solar connections 12 5 3 Electrical installation 14 5 3 1 Regulations 14 5 3 2 Electrical connection 14 6 Start up 17 6 1 Filling the DHW system 17 6 2 Filling and bleeding the post heating system 17 6 3 Setting system parameters 18 6 4 Equalising the pressure in the solar heating system 20 6 5 Checking the solar h...

Страница 10: ...ppliance type Part number VIH SN 350 3 MiP 0010007383 VIH SN 350 3 iP 0010007381 VEH SN 350 3 iP 0010007385 VEH SN 350 3 iP c 0010007387 Table 1 1 Applicability of the manual The article number of the unit can be found on the iden tification plate 2 System description 2 1 Identification plate The identification plates on the auroSTEP plus solar en ergy system are fitted to the collector and the cy...

Страница 11: ...ure To avoid injuries on hot parts the assembly and ex change of collectors or collector parts should be carried out on a heavily overcast day Alternatively this work can be carried out in the morning or evening of sunny days or with the collector covered Danger of overvoltage Earth the solar circuit to provide equipotential bonding and overvoltage protection Fasten the earthing clamps to the sola...

Страница 12: ...running water for at least 15 minutes 4 5 After swallowing Rinse out the mouth and drink plenty of water 4 6 Information for the doctor Symptomatic treatment decontamination vital functions no specific antidote known 5 Firefighting measures 5 1 Appropriate extinguishing agents Water spray dry powder alcohol resistant foam car bon dioxide CO2 5 2 Particular hazards Fumes which are detrimental to he...

Страница 13: ... to be avoided Strong oxidants 10 2Dangerous reactions No dangerous reactions if the storage and handling regulations notes are observed 10 3Dangerous decomposition products No dangerous decomposition products if the storage and handling regulations notes are observed 11 Toxicological information 11 1 LD50 oral rat 2000 mg kg Primary skin irritation rabbit not irritating OECD guideline 404 Primary...

Страница 14: ...heir components terminology ISO DIS 9488 1995 EN 12975 1 Thermal solar energy systems and their components Collectors Part 1 General requirements EN 12975 2 Thermal solar energy systems and their components Collectors Part 2 Test methods EN 1991 2 3 Eurocode 1 Basis of design and actions on structures Part 2 3 Actions on structures Snow loads EN 12976 1 Thermal solar energy systems and their compo...

Страница 15: ...18339 Plumbing work DIN 18451 Scaffolding work Cylinder and cylinder installation Pressure equipment directive 97 23 EC Directive of the European Parliament and Council from 29th May 1997 for the approximation of the laws on pressure equipment of the Member States Technical Regulations for Gas Installation DVGW TRGI 96 1996 edition Wirtschafts und Verlagsgesellschaft Gas und Wasser m b H Bonn DVGW...

Страница 16: ...linder unit must be installed at a lower height than the collectors and lines on the roof to permit drainage of the collectors The height difference between the highest point collector supply line and the lowest point of the system bottom of the cylinder may not be more than 8 5 metres as otherwise the pump would not be powerful enough Caution The slope of the connecting lines between the collecto...

Страница 17: ...solar cyl inder unit Key 1 Hot water connection R 3 4 2 Cylinder flow R 1 3 Cylinder return R 1 4 Cold water connection R 3 4 5 Connection schematic sticker 6 No function 7 Magnesium protection anode 8 Immersion tube for cylinder sensor Sp1 9 Drain valve R external thread 4 3 1 Installing the collectors Install the collectors Follow the installation manual for the auroTHERM classic VFK 135 D flat ...

Страница 18: ...y use the transport aids from the accessories a Caution Damage to the cylinder If the cylinder is brought to the installation location on a trolley or carried there pay attention to the insulation on the base of the cylinder It must not be damaged 4 4 1 Transport in the packaging Fig 4 3 Transport in the packaging consisting of top and bottom styrofoam pads and a cardboard sleeve carton 4 4 2 Tran...

Страница 19: ...se the casing jacket Hold the casing jacket firmly and walk clockwise around the cylinder with it so that you are holding the jacket in a tear shape in your hand Clamp the two ends of the casing jacket together with the enclosed clip Fig 4 7 Fastening the casing jacket with the clip 4 4 4 Transport without insulation Fig 4 8 Removing the insulation First remove one half shell by pulling to the sid...

Страница 20: ...alve in the heating circuit as required Service valves Legionella protection pump as required There is an accessory kit Part No 305 967 available for the installation of pipes by the customer which con sists of four brackets These permit the connection of copper pipes Ø 15mm by means of compression fittings DHW thermostatic mixing valve The DHW thermostatic mixing valve allows the hot water from t...

Страница 21: ... the installation location for the cylinder unit Please observe the specifications on the max length of the connection cable and on the required slope Fig 5 3 Removing the casing Remove the upper and lower casing from the front of the cylinder unit by pulling them away from the retaining clips a Caution Where the recommended reliable 2 in 1 solar copper pipe is used take care that the internal cab...

Страница 22: ...native you can use shielded cable for the sensors 230 V supply lines must be implemented with 2 5 mm2 cable and fastened to the base using the accompanying cable clamps Do not use free terminals on the appliances as support terminals for other wiring The solar cylinder unit must be installed in a dry room The solar cylinder unit must be connected via a fixed connection and an all pole isolating de...

Страница 23: ...ing may not touch any components carrying solar fluid P 1 2 Fig 5 7 Wiring the sensor cable Open the controller box by loosening the screw and fold the cover up Wire the controller according to the hydraulic plan see Figs 5 8 and 5 9 Connect the sensor cable 1 to the KOL1 ProE System terminals provided If required also connect the C1 C2 cable to the C1 C2 ProE System terminals provided Secure the ...

Страница 24: ...tions for controlling the heating appli ances for reheating the cylinder KW Cold water HZ K Heating circuit s LegP Anti legionella pump optional EP Electric heating rod optional Kol1 P Collector pump 1 Kol2 P Collector pump 2 Kol 1 Collector sensor 1 Sp1 Cylinder sensor 1 Sp2 Cylinder sensor 2 S Contactor for optional electric heating element 1 Control contactor for optional electric heating eleme...

Страница 25: ...ller on the solar cylin der unit and the boiler using the supplied C1 C2 cable 6 Start up As delivered the pipe spiral in the cylinder unit already contains the quantity of solar fluid necessary for operat ing the solar energy system The following sequence must be adhered to during start up Fill the cylinder with drinking water and bleed the hot water pipes Adjust the customer preset controller pa...

Страница 26: ...y pressing the pro gramming button for approx 3 seconds Then you can call up all the system parameters consec utively by clicking the knob You can set the desired values by turning the knob The set value is saved with a click When you press the programming button the display re turns to the basic operating level without saving the ad justed value The following table gives an overview of all system...

Страница 27: ...t 0 Off Setting of filling mode duration 3 9 min 9 min Determines whether booster pump is con nected 0 not connected 1 connect ed 1 Select number of collectors 1 to 3 3 Setting of collector pump blocking time 1 60 min 10 min Activation of the reheating delay 0 deactivated 1 activated 0 Setting the current day 1 31 1 Setting the current month 1 12 1 Setting the current year 2000 2215 2000 Table 6 1...

Страница 28: ...id to protect yourself from any escaping hot vapour or solar fluid H Danger If the venting of the system is not carried out in accordance with this description there is a risk of combustion caused by hot vapour or solar fluid Switch the solar energy system on by switching on the power supply at the mains and selecting the operat ing mode on the controller If the sun is shining with sufficient inte...

Страница 29: ...lant recommends the bird safe individual pipe insulation with polyamide protective braid 2 x 75cm long Part No 302361 available as an accessory 6 6 Setting the system parameters on the con troller Program the timeswitch or the timer programme on the solar controller specify the start of the enable time for cylinder charging Put the boiler into service 6 7 Setting the DHW thermostatic mixing valve ...

Страница 30: ...ircuit Catch vessel empty canister placed below blow off cable Blow off line installed at expansion relief valve on hot water side and connected to waste water Magnesium protection anode in combi cylinder checked Cable connections o k Thermostat mixer installed 2 START UP System filled with prescribed solar liquid Solar circuit washed out with solar liquid Solar circuit pressure tested incl leakag...

Страница 31: ...ax of 14 C Boiler post heating starts at C Circulation pump running time from hrs to hrs 4 INSTRUCTION The system owner has been instructed as follows Basic functions and operation of the solar energy system controller incl the circulation pump Functions and operation of the reheating system Function of the magnesium protection anode Protecting the system from frost Maintenance intervals Handing o...

Страница 32: ...e to be disposed of after years of reliable service Solar fluid Disposal The solar fluid must de disposed of at an appropriate waste site or waste incineration plant for example in compliance with local regulations Contact the local mu nicipal sanitation office or the mobile environmental service for quantities under 100 l Uncleaned packaging Uncontaminated packaging can be reused Dispose of packa...

Страница 33: ...u refill the cylinder after cleaning 8 2 Servicing the magnesium protection anode The cylinders are equipped with a magnesium protec tion anode which has to be checked the first time after two years and then regularly once a year A chain anode is also available as a replacement part for the VIN SN 350 i Visual inspection 1 Fig 8 2 Taking out the protection anode Take out the magnesium protection a...

Страница 34: ...he power supply Open the two screw couplings 1 and 4 between the 2 in 1 solar copper pipe P and the short coper pipes on the solar cylinder unit this can result in possibly hot solar fluid escaping Connect a hose 3 approx 1 5 m long to the lower filling connection 2 Pass the end of the hose into a suitable collection container with a volume of at least 10 l Open the valve on the lower filling conn...

Страница 35: ...ediately after filling with new solar fluid 8 5 Collectors Check that the collectors are securely mounted at regu lar intervals see recommended maintenance checklist 8 6 Replacement parts Any spare parts which might be required are itemised in the respective valid spare parts catalogues Enquiries will be answered by the sales departments and the manufacturer s customer service 8 7 Recommended main...

Страница 36: ...ctuators off Test collector pump 2 booster pump Collector pump 2 on all other actuators off Test anti Legionella pump Bypass diverter valve Anti Legionella pump on all other actuators off Electric heating element EP test Test electric heating element on all other actua tors off C1 C2 contact test C1 C2 contact closed all other actuators off Cylinder temperature display for cylinder sensor 1 Cylind...

Страница 37: ...d to take back and recycle components when they have to be disposed of after years of reliable service 10 3 Solar fluid The solar fluid must de disposed of at an appropriate waste site or waste incineration plant for example in compliance with local regulations Contact the local mu nicipal sanitation office or the mobile environmental service for quantities under 100 l 10 4 Packaging Vaillant has ...

Страница 38: ...l l 10 4 Max solar flow temperature C 110 Max hot water temperature C 90 Heating heat exchanger Continuous hot water output at a heating water temperature of 85 65 C and a hot water temperature of 45 C ΔT 35K l h 642 Heating surface area m2 0 8 Nominal heating medium flow rate m3 h 1 1 Heating coil volume l 5 4 Continuous output at 85 65 C kW 26 Pressure loss at nominal heating medium flow rate mb...

Страница 39: ...ensor characteristics 12 3 Flat collector VFK 135 D Units VFK 135 D Absorber type Serpentine horizontal Dimensions L x W x H mm 1233 x 2033 x 80 Weight kg 37 Volume l 1 34 Max pressure bar 10 Stagnation temperature C 200 Gross area m2 2 51 Aperture surface area m2 2 35 Absorber surface area m2 2 33 Absorber mm Aluminium vacuum coated 0 5 x 1178 x 1978 Coating High selective blue α 95 ε 5 Glass cov...

Страница 40: ...0020077748_00 DE en 012009 ...

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