Vaillant Solar hot water System Manual
  1. Manuals
  2. Brands
  3. Vaillant Manuals
  4. Water System
  5. Solar hot water systems
  6. System manual

Vaillant Solar hot water System Manual

Solar system and aurostor unvented solar cylinder
Hide thumbs
Table of Contents

Advertisement

Quick Links

For the installer / owner
Start-up, maintenance and troubleshooting manual, notes for the operator
Solar System and auroSTOR unvented solar
cylinder
Solar hot water systems
GB

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Solar hot water and is the answer not in the manual?

Questions and answers

Related Manuals for Vaillant Solar hot water

Summary of Contents for Vaillant Solar hot water

  • Page 1 For the installer / owner Start-up, maintenance and troubleshooting manual, notes for the operator Solar System and auroSTOR unvented solar cylinder Solar hot water systems...

  • Page 2: Table Of Contents

    Installation of the solar circuit piping ....31 and manufacturer's warranty ......62 5.3.1 General instructions ........... 31 10.1 Vaillant service ............62 5.3.2 Material ................31 10.2 Vaillant warranty ............62 5.3.3 Laying of the solar circuit pipes ......31 5.3.4 Connection of the collectors...

  • Page 3: Notes On The Documentation 1

    Overview of standards, safety instructions 2 Notes on the documentation Overview of standards, safety instructions Your solar system is a quality product from Vaillant. This manual describes the entire system, all of its Overview of EU standards components and the cylinder and provides you with...

  • Page 4: Regulations In Great Britain

    Part 3: Performance characterisation of stores for solar working on the roof. Make absolutely sure you heating systems wear anti-fall devices whenever there is a risk of falling. (We recommend Vaillant fall EN 12897 protection systems, item no. 302 066.) Water supply - specification for indirectly heated...

  • Page 5: System Description 3

    It must be installed in Intended use an area however, in which no steam can enter, preferably The Vaillant solar system is used for the solar-supported in the return pipe nearby the solar cylinder. supply of drinking water.
  • Page 6 3 System description Fig. 3.1 System for solar heating of drinking water 9 Solar expansion vessel Boiler 10 Automatic air separator system 2 auroSTOR solar cylinder 11 Drinking water expansion vessel 3 230 V motorised 2 port valve (supplied together with the solar A Boiler flow cylinder) B Boiler return...
  • Page 7 The Vaillant solar system enables various system configurations and control concepts: Electrical wiring The Vaillant Control Center VR 65 can be used to wire up the system if an eBUS-capable Vaillant boiler is used. A standard wiring box can be used if a Vaillant boiler which is not eBUS-capable or an external boiler is used.

  • Page 8: Description Of The Components

    4 Description of the components Description of the components Interior design The Vaillant auroTHERM exclusive VTK 275 and 550 Collectors tube collectors consist of 8 or 16 collector tubes connected in parallel. With its collector tubes with Danger! internal mirror of pure silver and glass-glass connection...
  • Page 9 Description of the components 4 Technical data of the tube collectors Appliance designation Units auroTHERM exclusive VTK auroTHERM exclusive VTK Surface area (gross, aperture/net) 0.68 / 0.41 1.28 / 0.82 Height 1695 1695 Width Depth Weight 10.3 Collector capacity 3.56 Copper pipe connection, flat-face Thread 3/4“...

  • Page 10: Vfk 900 Flat Collector

    4 Description of the components 4.1.2 VFK 900 flat collector Equipment The Vaillant VFK 900 flat collector includes a seawater- resistant aluminium frame as well as a copper surface absorber with selective Cermet Vacuum coating. The Vaillant VFK 900 flat collector has a CFC-free, standstill temperature-resistant mineral wool insulation for long-life, excellent heat insulation.

  • Page 11: Disposal

    5 l of solar The solar pump unit mainly consists of: fluid in front of it. Vaillant recommends the installation - The group of pipes of the solar pump unit with of the protection vessel for all solar systems (item insulation (10) no.

  • Page 12: Solar Pump

    4.6.1 Properties of the solar fluid 300 S). The power supply to the pump is interrupted at This information applies to Vaillant solar fluid (20 l cylinder temperatures higher than 90 °C. canister: item no. 302 429). Vaillant solar fluid is a ready-mixed antifreeze and...

  • Page 13: Protection Of The Solar Circuit Against Frost And Corrosion

    (item no. 00 2002 0645). Risk of damage! • View the density on the scale. The density must be Vaillant solar fluid is ready mixed. You may not greater than 1.05 g/cm . You must otherwise replace under any circumstances mix it with water or the solar fluid.

  • Page 14: 4.6.4 Safety Data Sheet

    Substance/Formulation and company name Individual-related measures: Information on the product: No particular measures required. Trade name of the Vaillant solar fluid Environmental measures: (item no. 302 362) The product may not be discharged into waters Information on the supplier: <NewLine/>Vaillant without pre-treatment (biological sewage plant).
  • Page 15 Lower explosion limit: 2.6 % by vol. (details for 13.1 Disposal: Upper explosion limit: 12.6 % by vol. 1.2 propylene Vaillant solar fluid (item no. 302 363) must de glycol) disposed of at an appropriate waste site or waste Ignition temperature: omitted incineration plant, for example, while observing vapour pressure (20 °C): 20 mbar...

  • Page 16: Aurostor Solar Cylinder

    (refer to Section 5.8, Electrical installation). Solar control Wiring The Vaillant Control Center VR 65 can be used to wire up the system if an eBUS-capable Vaillant boiler is used. A standard wiring box can be used for all other boilers.

  • Page 17: Installation 5

    - Hot water piping and secondary return (if available) Standard 230 V components can be integrated in the - Cold water supply Vaillant eBUS system via the Control Center VR 65. For - Discharge pipe wiring, refer to Section 5.8, Electrical installation, and...
  • Page 18 5 Installation Solar sets auroTHERM exclusive Mini Standard Medium Large Item no. 0020025413 0020025414 0020025415 0020025416 auroTHERM exclusive 550 auroTHERM exclusive 275 Mounting bar (long) for 2 x VTK 550 Mounting bar (normal) for 1 x VTK 550 Mounting bar (short) for 1 x VTK 275 Roof bracket set for 2 x VTK 550 Roof bracket set for 1 x VTK 550 or 1 x VTK 275 Rafter plate...
  • Page 19 Installation 5 Solar sets auroTHERM exclusive Mini Standard Medium Large Item no. 0020025413 0020025414 0020025415 0020025416 Fittings pack for DN16 tube Solar pump unit Expansion vessel 25 l Expansion vessel 35 l Protection vessel for expansion vessel Automatic air separator Thermostat mixer Solar control auroMATIC 560 Solar gain sensor (VR 10)
  • Page 20 5 Installation Solar set auroTHERM flat plate collector Item no. 0020036552 auroTHERM VFK 900 Roof bracket set for concrete tiles (qty 6) On-roof kit for two panels Stainless steel connection pipe DN12 2x1m Single insulated tube, DN16, length 15m Fittings pack for DN16 tube Solar pump unit Expansion vessel 18 litres Protection vessel...
  • Page 21 Installation 5 auroTHERM flat plate collector solar set Item no. 0020036552 Thermostatic mixing valve Solar control auroMATIC 560 NTC sensor VR10 (solar gain) Solar fluid (20 litre) Table 5.2 Scope of delivery of the auroTHERM flat plate collector solar set (continuation) Manual - Solar hot water systems...
  • Page 22 5 Installation auroSTOR solar cylinders VIH S GB 200 S VIH S GB 250 S VIH S GB 300 S Item no. 307 206 307 207 307 208 Cold water control pack with tundish Motorised 2 port valve DHW expansion vessel 18 l DHW expansion vessel 25 l Mounting bracket for expansion vessel Carrier handle...

  • Page 23: Installation Of The Solar Cylinder

    Installation 5 Installation of the solar cylinder 5.1.1 Description of the solar cylinder Fig. 5.1 auroSTOR function elements Hot water connection 16 Return (boiler) 2 Temperature and pressure relief valve (95 °C, 7 bar) 17 Flow (boiler) 3 Expansion vessel 18 Immersion heater switch 4 Connection for expansion vessel 19 Thermal cut out of solar pump, set to 90 °C, connected to the...
  • Page 24 Control of the hot water temperature The hot water temperature in the top half of the cylinder can be optionally regulated by the Vaillant auroMATIC VRS 560 solar control by means of the programmable Vaillant VRT 360 room thermostat or a timer.

  • Page 25: Technical Data Of The Aurostor Solar Cylinder

    Installation 5 5.1.2 Technical data of the auroSTOR solar cylinder Entry Unit VIH S GB 200 S VIH S GB 250 S VIH S GB 300 S Cylinder: Size Maximum water supply pressure Operating pressure Pressure limiting valve Expansion relief valve Hot water expansion vessel admission pressure Temperature and pressure relief valve °C/bar...
  • Page 26 * Static operating pressure of the cold water supply The displayed flow rates apply to installations in which the cold water supply is of appropriate dynamic pressure. Please contact Vaillant Ltd if the static water pressure is below 1 bar. Manual - Solar hot water systems...

  • Page 27: Intended Use

    Intended use 5.1.6 Safety instructions and regulations The Vaillant solar cylinders auroSTOR VIH S GB 200 S, This product has been checked for adherence to the VIH S GB 250 S and VIH S GB 250 are unvented, building regulations for unvented hot water cylinder indirectly heated hot water cylinders for solar systems systems.

  • Page 28: Transport

    5 Installation 5.1.9 Transport A cylinder carrier handle is supplied to make the transport to the installation site easier. Fig. 5.7 Fastening the cylinder carrier handle • Fasten the carrier handle (1) to the hot water connection of the solar cylinder. Manual - Solar hot water systems...

  • Page 29: 5.1.10 Dimensions

    Installation 5 5.1.10 Dimensions Fig. 5.8 Dimensions of the auroSTOR solar cylinder 5 Cold water supply connection Hot water connection 6 Solar circuit return 2 Temperature and pressure relief valve 7 Return (boiler) 3 Immersion heater 8 Boiler flow 4 Solar circuit flow Cylinder type VIH S GB 200 S 1468...

  • Page 30: Functional Diagram

    5 Installation Functional diagram Fig. 5.9 Functional diagram 9 Solar expansion vessel Boiler 10 Automatic air separator system 2 auroSTOR solar cylinder 11 Hot water expansion vessel 3 230 V motorised 2 port valve (supplied with the solar cylinder) A Boiler flow 4 Immersion heater B Boiler return 5 230 V motorised 2 port valve (supplied with the boiler)

  • Page 31: Installation Of The Solar Circuit Piping

    5.3.1 General instructions significant role in terms of maximum efficiency of the The Vaillant solar system is a closed hydraulic system in solar system. which heat can be transferred to the cylinders only by To keep the pressure loss in the solar circuit to a...

  • Page 32: Bleeding Of The Solar Circuit

    Vaillant air separator system (item no. 302 418) in the the Vaillant boiler and the solar cylinder. return of the solar circuit (see Fig. 5.12) between the Larger pipe diameters may be necessary for relatively solar circuit and solar pump unit.

  • Page 33: Installation Of The Cold Water Supply Pipework

    1 bar.You can obtain information on alternative hot water supply systems from Vaillant Ltd. cold water To keep the friction losses at a minimum, a minimum diameter of 22 mm is recommended for the cold water Fig.

  • Page 34: Drain Valve

    15 mm copper tube to the tundish supplied. The tundish should be installed vertically, as The Vaillant solar cylinder is supplied with an external close to the uniSTOR as possible and within 500 mm of hot water expansion vessel (DW EV).

  • Page 35: High Level Termination

    The discharge pipe from the pressure relief valve of the The total resistance of the discharge pipe is higher Vaillant boiler can be connected to the horizontal than the maximum permissible value for 22 mm discharge pipe of the solar cylinder behind the tundish pipes (9 m).

  • Page 36: Electrical Installation

    5 Installation 5.8.1 Immersion heater The auroSTOR VIH S GB 200 - 300 S solar cylinders tundish have been equipped with an immersion heater by the manufacturer. 300 mm minimum discharge pipe 230 V AC 3 kW metal hopper head Fig.

  • Page 37: Electrical Connection To The Cylinder Control Device

    (refer to Section 4.8, Solar control). An overview of the Boiler used application options for controllers can be found in eBUS-capable boiler, such as the Vaillant ecoTEC, or a Table 5.7 (refer to Section 5.8.3, Combination options of boiler which is not eBUS-capable, such as the Vaillant the control components).
  • Page 38 Vaillant, eBUS-capable Control Center VR 65 VRS 560 VRT 360 1, Fig. 5.25 VRS 560 2, Fig. 5.28 Vaillant, eBUS-capable or not Device from a third-party 3, Fig. 5.31 Standard wiring box eBUS-capable manufacturer (DHW timer) VRS 560...
  • Page 39 Installation 5 • Undo the lock (2) of the cylinder thermostat (1) and • Establish the eBUS connections from the boiler and take it out of the terminal box. VRT 360 to the Control Center VR 65. • Remove the capillary tubes (3) of the cylinder thermo- stat and thermal cut out from the immersion sleeve of the solar cylinder.
  • Page 40 5 Installation Wiring scheme 1 - eBUS-capable Vaillant boiler - Wiring via VR 65 - Solar circuit control via VRS 560 - Solar circuit reheating control via VRS 560 - Heating circuit control via VRT 360 Fig. 5.25 Wiring scheme 1...
  • Page 41 Installation 5 Wiring plan 2 • Connect this temperature sensor to the terminal - Vaillant boiler “Ertrag” in the auroMATIC 560 solar control. - Wiring via standard wiring box • Make sure the temperature sensors of the immersion - Solar circuit control via VRS 560...
  • Page 42 5 Installation Wiring scheme 2 - eBUS-capable or eBUS-incapable Vaillant boiler - Wiring via standard wiring box - Solar circuit control via VRS 560 - Solar circuit reheating control via VRS 560 - Heating circuit control via programmer Fig. 5.28 Wiring scheme 2...
  • Page 43 Fig. 5.29 Installation of the VR 10 temperature sensor protected terminal strip. • Push one of the VR 10 temperature sensors (1) • Wire up the Vaillant boiler, the programmer and the supplied with the solar control in an immersion sleeve room thermostat.
  • Page 44 5 Installation Note! Programme the auroMATIC 560 solar control to provide hot water when required by the customer. The auroMATIC 560 control will only signal to the boiler if the cylinder is below target temperature, if the solar system is not operating and if the hot water programmer is Note! Programme the separate hot water programmer...
  • Page 45 Installation 5 Wiring scheme 3 - eBUS-capable or eBUS-incapable Vaillant boiler - Wiring via standard wiring box - Solar circuit control via VRS 560 - Solar cylinder reheating control via a device from a third-party manufacturer (DHW timer) - Heating circuit control via programmer Fig.
  • Page 46 5 Installation Wiring plan 4 • Connect this temperature sensor to the terminal - Boiler from third party manufacturer “Ertrag” in the auroMATIC 560 solar control. - Wiring via standard wiring box • Make sure the temperature sensors of the immersion - Solar circuit control via VRS 560 heater, solar cylinder and solar control fit properly in - Solar circuit reheating control via VRS 560...
  • Page 47 Installation 5 Wiring scheme 4 - eBUS-incapable boiler, third-party manufacturer - Wiring via standard wiring box - Solar circuit control via VRS 560 - Solar circuit reheating control via VRS 560 - Heating circuit control via programmer Fig. 5.34 Wiring scheme 4 Manual - Solar hot water systems...
  • Page 48 5 Installation Wiring plan 5 • Attach the temperature sensor for the gain (2) to the - Boiler from third party manufacturer return pipe of the solar circuit nearby the solar - Wiring via standard wiring box cylinder. - Solar circuit control via VRS 560 •...
  • Page 49 Installation 5 Note! Programme the separate hot water programmer to provide hot water when required by the cus- tomer. Consider carefully when the solar system might be running and try to time to HW pro- grammer to run when there is unlikely to be any solar gain.
  • Page 50 5 Installation Wiring scheme 5 - eBUS-incapable boiler, third-party manufacturer - Wiring via standard wiring box - Solar circuit control via VRS 560 - Solar cylinder reheating control via a device from a third-party manufacturer (DHW timer) - Heating circuit control via programmer Fig.

  • Page 51: Start-Up 6

    Danfoss Randall RMT 230 Section 6.5.) • Fill the reheating circuit (refer to Section 6.6). Danfoss Randall RET 230 Use only Vaillant solar fluid (item no. 302 429) for Tower SS pressure tests and for flushing and filling the solar Honeywell T6360 circuit.

  • Page 52: Setting The Flow Rate And Pump

    • Place the three-way ball valve (15) into flush position. • Use Table 6.1 to calculate the flow rate to be set by • Connect the drain hose of the Vaillant filling pump or a multiplying the installed collector surface area with similar hose with filter (9) to the fill/drain valve (12).

  • Page 53: Programming The Flow Rate On The Controller

    5 connections. minutes. • Close the hot water taps. Also check other ways of reducing the pressure loss. Observe here the Vaillant solar planning information. Manual - Solar hot water systems...

  • Page 54: Setting The Hot Water Thermostatic Mixing Valve

    6 Start-up Danger! Risk of bursts! Close the pressure control valves in the water, solar and heating circuits in accordance with the Installation chapter. They may under no circumstances be covered or closed. Setting the hot water thermostatic mixing valve The hot water from the solar cylinder can be set to a desired maximum temperature between 30 °C and 70 °C by mixing hot and cold water.

  • Page 55: Start-Up Protocol

    Further information can be obtained from Vaillant service (+49 (0)870 - 6060777). Manual - Solar hot water systems...

  • Page 56: Inspection And Maintenance

    Maintenance Maintenance interval Solar circuit Check the frost protection of the solar fluid (use the Vaillant 302 064 solar fluid tester) Annually Check the system pressure Annually Check the pH value of the solar fluid (with litmus paper, pH > 7.5)

  • Page 57: Troubleshooting 8

    The following tables provide information on possible malfunctions during the operation of the solar system as well as their cause and remedy. All work on the Vaillant solar system (installation, main- tenance, repairs etc.) may be performed only by appro- ved specialists.
  • Page 58 8 Troubleshooting Malfunction Cause Remedy Pump starts up and goes off shortly The temperature difference of the controller Check whether the entire pipework is fully afterwards.This is repeated several times is too low or the pump speed is set too high. insulated.Increase the temperature until the system runs its course.
  • Page 59 Troubleshooting 8 Malfunction Cause Remedy Reheating is not working. The boiler runs 1. Air in the reheating heat exchanger Bleed the reheating heat exchanger. for a short time, goes off and then back 2. Heat exchanger surface area too Compare the specifications of the boiler on again.

  • Page 60: Notes For The Owner

    The hot water thermostat for the boiler for reheating In order for your Vaillant solar system to work perfectly, the auroSTOR can be set between 20 and 65 °C. The please observe the following instructions: desired temperature is set by the installer during the •...

  • Page 61: Switching Off The Solar Cylinder

    Vaillant VIH S GB 200 S, VIH S GB 250 S and VIH S GB 300 S cylinders. Care It is important that your hot water cylinder is serviced annually.

  • Page 62: What Should Be Done If

    Agreement. Please contact Vaillant Service Solutions (0870 6060 777) for further details. 10.2 Vaillant warranty Vaillant provide a full parts and labour warranty for this appliance. The appliance must be installedby a suitably competent person in accordance with the Gas Safety (Installation and Use) Regulations 1998, and the manufacturer's instructions.

  • Page 63: Start-Up Protocol 11

    Start-up protocol 11 Start-up protocol The solar system of: has been started up, while taking the following points into consideration: 1. Assembly O.K. Remarks Roof bracket fixed according to instructions? Solar pipework connected to potential equalisation? Roof covering refixed according to instructions after laying the roof bracket? Roof membrane not damaged? All connecting clips pushed in (with tube collectors)? Pressure release pipe installed at the expansion relief valve of the solar circuit?
  • Page 64 11 Start-up protocol Information Unit Value/Detail Benchmark no. Registration no. Basic acceptances Number of persons: Additional hot water equipment: Washing machine, dish washer etc. Circulation Available/Not available Circulation runtime (please tick as appropriate) Daily hot water consumption in At a cylinder temperature of °C Estimated solar coverage of the total hot water consumption Collector array performance data...
  • Page 65 Start-up protocol 11 Information Unit Value/Detail Controller settings Installed controller(s)/timer(s) Manufacturer Reheating with boiler starts at °C (TSP1 min. see installation manual of solar control)? Switch-on temperature difference: Kelvin Switch-off temperature difference: Kelvin Other settings Important activated functions Name of the installer (in block letters) Corgi ID No.
  • Page 66 11 Start-up protocol Manual - Solar hot water systems...
  • Page 67 Start-up protocol 11 Manual - Solar hot water systems...

This manual is also suitable for:

Aurotherm exclusive vtk 275Aurotherm exclusive vtk 550Aurotherm vfk 900Auromatic 560Aurostor vih s gb 200 sAurostor vih s gb 250 s ... Show all

Table of Contents

Save PDF