Viessmann Vitovalor PA2 Operating Instructions Manual Download

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Operating instructions

for the system user

VIESMANN

Fuel cell based micro CHP unit as add-on appliance

VITOVALOR PA2

5839344 GB

1/2020

Please keep safe.

Summary of Contents for Vitovalor PA2

Page 1: ...Operating instructions for the system user VIESMANN Fuel cell based micro CHP unit as add on appliance VITOVALOR PA2 5839344 GB 1 2020 Please keep safe ...

Page 2: ... safe use of this appliance and any risks arising from it Please note Supervise children in the proximity of the appliance Never permit children to play with the appliance Cleaning and maintenance must not be carried out by unsuper vised children Safety instructions for working on the system Appliance connection The appliance may be connected and commissioned only by authorised con tractors Only o...

Page 3: ... its function Have all installation or replacement work carried out exclusively by qualified contractors Safety instructions for operating the system Damage to the appliance Danger Damaged equipment poses a safety hazard Check the appliance for external damage Never start up a damaged appliance If you smell gas Danger Escaping gas can lead to explo sions which may result in serious injury Do not s...

Page 4: ...air This leads to incom plete combustion and the formation of life threatening carbon monoxide Never cover or close existing vents Do not make any subsequent modi fications to the building characteris tics that could affect safe operation e g cable pipework routing clad ding or partitions Danger Easily flammable liquids and mate rials e g naphtha petrol solvents cleaning agents paints or paper can...

Page 5: ...es that extract air to the outside can result in life threatening poisoning due to a reverse flow of flue gas Take suitable steps to ensure an adequate supply of combustion air If necessary contact your contrac tor Safety instructions For your safety cont 5839344 ...

Page 6: ...te 18 Operation with energy manager 18 Operation without energy manager 18 Switching the energy manager ON or OFF 18 5 Further adjustments Setting the gross calorific value and gas volume correction factor for consumption billing 19 Locking the controls 19 Unlocking the controls 19 Changing the password for the Lock panel function 19 Setting the display brightness 20 Switching the Lightguide on an...

Page 7: ...Cleaning 32 Inspection and maintenance 32 Appliance 32 DHW cylinder 32 Safety valve DHW cylinder 32 Potable water filter if installed 32 Damaged cables lines 33 11 Appendix Overview of Main menu 34 Terminology 36 Access point mode 36 System version 36 Fuel cell 36 Underfloor heating 37 Heating circuit 37 Heating circuit pump 37 Micro CHP unit 37 Reclaiming fuel tax Germany 37 Mixer 37 Mains monito...

Page 8: ...s essential for proper execution of the contract The limitation of liability shall not apply if the damage was caused deliberately or through gross negligence or if mandatory liability applies due to product liability legislation The Viessmann General Terms and Conditions apply which are included in each current Viessmann pricelist The relevant data protection regulations and terms of use apply to...

Page 9: ...f your control unit some terminology is explained This information can be found in chapter Terminology in the Appendix Intended use The appliance is intended solely for installation and operation in sealed unvented heating systems that comply with EN 12828 with due attention paid to the associated installation service and operating instruc tions It is only designed for heating up heating water tha...

Page 10: ...u are entitled to use this third party software in compliance with the respective licence conditions as provided under the link below A list of used third party software components and of license texts can be accessed by connecting your boiler like it is mentioned in the manual 2 Acknowledgements Linux is the registered trademark of Linus Torvalds in the U S and other countries This product includ...

Page 11: ... Serial number of internal electricity meter You will find the serial number of the internal electricity meter on a label behind the upper front panel See page 28 This information is required when registering the Vitovalor PA2 with your grid operator Your system is preset Your system is preset at the factory and is therefore ready for operation following commissioning by your contractor Wintertime...

Page 12: ... but after each other Spread the drawing of heat e g DHW consumption as evenly as possible over the day This results in longer fuel cell module runtimes for power genera tion The energy manager optimises the fuel cell module runtimes subject to power and heat consumption within the building Activate the energy manager to optimise utilisation of power generated on site See page 18 Introductory info...

Page 13: ...y Lightguide pulsates slowly Display is in standby mode Lightguide is illuminated constantly You are operating the control unit Every input opera tion is confirmed by a brief flashing Lightguide flashes quickly There is a fault on the system Note You can switch off the illuminated signal light guide See page 19 Home screen Displays and settings Call up the home screen as follows Standby display ac...

Page 14: ... operating data for the fuel cell mod ule Further information See page 15 Icons For power generation See page 17 Power export to the grid See page 17 Buttons and icons in navigation area C Takes you back to the home screen Takes you one step back in the menu Or Terminates an adjustment in progress WiFi is switched off See page 21 Confirms a change Makes changes in the menu Calls up the help text C...

Page 15: ... the energy state of your heating system The various components present in the system are shown as graphics Some information on the compo nents is also provided in the default display For more information tap on the relevant component You can check the following information in the Energy cockpit Calls up the buffer temperatures See the following chapter Power generated by the fuel cell module To c...

Page 16: ...tput is also reduced by a decrease in the fuel cell module s electrical efficiency over time The fuel cell module is operated with constant heat input gas input and constant overall efficiency This means that the ratio of electrical output to heating out put changes over the service life As the overall output remains constant and electrical output decreases over the service life heating output inc...

Page 17: ...nt for power generation and power consumption is shown as a graph 523 0 261 5 01 01 2020 31 12 2020 kWh 2020 0 Fig 3 Yellow area Power generation Grey yellow area Power exported to the grid Operation Energy statement for power generation and power cont 5839344 ...

Page 18: ...omical The optimal start point for the fuel cell module is determined by the power supply price feed in remuneration and gas price When there is no installed electricity meter the energy manager refers to a stored standard load profile as the specific power consumption is unknown Operation without energy manager The start times of the fuel cell module depend only on the heat demand of the system I...

Page 19: ... Only home screen operable 5 Enter the password viessmann This password can be changed See page 19 6 to confirm Unlocking the controls Tap the following on screen buttons 1 Any on screen button Panel locked is displayed 2 Do you want to unlock the operation is dis played 3 An entry field and keyboard appear 4 Enter the password viessmann or the password you have specified 5 to confirm Changing the...

Page 20: ... flashes quickly There is a fault on the system Tap the following on screen buttons 1 2 Settings 3 Display setting 4 Lightguide ON OFF 5 ON Or OFF 6 to confirm Note Faults are shown by flashing lights even if the Light guide is switched off Adjusting the signal tone for on screen buttons Under factory settings an audio signal is enabled to produce a sound when a button is tapped You can switch thi...

Page 21: ...ture 5 to confirm Entering the contractor s contact details You can enter your contractor s contact details These can then be called up in the Information menu Tap the following on screen buttons 1 2 Information 3 Contractor contact details 4 Relevant entry field 5 Enter your contractor s contact details into the indi vidual boxes 6 to confirm Enabling WiFi Switching WiFi on or off Tap the followi...

Page 22: ... to the internet Check your WLAN settings if required Static IP addressing Prerequisite Your WiFi is configured so that the sub scriber addresses in the network IP addresses are not automatically assigned Tap the following on screen buttons 01 02 Settings 03 Internet 04 Network selection 05 Available WiFi networks are displayed Note Tap to refresh the list of available WiFi net works 06 Select the...

Page 23: ...ce Components Licenses Switching off the display screen for cleaning If you want to clean the display screen you can deacti vate it for 30 seconds This prevents unintentional operation Clean the display with a microfibre cloth Tap the following on screen buttons 1 2 Settings 3 Clean screen The display is deactivated A countdown begins Selecting maintenance mode In maintenance mode the fuel cell mo...

Page 24: ...ur contractor can set service intervals When these service intervals are exceeded a service message is displayed automatically Service and If available your heating contractor s contact details will be displayed Tap the following on screen buttons flashes in the navigation area Calling up service messages Tap the following on screen buttons 1 in the navigation area The service message appears in y...

Page 25: ...ying your contractor are displayed 4 Make a note of the fault number and the cause of the fault For example F 2 Short circuit com mon flow temperature sensor This enables the contractor to be better prepared and may save you unnecessary travelling costs 5 Please notify your heating contractor 6 to acknowledge the fault Danger If faults are not rectified they can have life threatening consequences ...

Page 26: ... module is being prepared for emis sions test mode this may take some time If the fuel cell module is in operation the flue gas emissions test can be carried out If the fuel cell module is not in operation the fol lowing display is shown Test mode currently not possible see oper ating instructions Check the operating status of the fuel cell mod ule See page 24 For further steps see below 5 Follow ...

Page 27: ... menu in Information Before interrupting the power supply ensure the fuel cell module is in the No power and heat generation operating status Note It takes approx 1 to 2 hours for the shutdown phase of the fuel cell module to reach the No power and heat generation operating status 3 Turn off both ON OFF switches D and F on the programming unit See page 28 4 Close the gas shut off valve Please note...

Page 28: ...er and heat generation operating status Note It takes approx 1 to 2 hours for the shutdown phase of the fuel cell module to reach the No power and heat generation operating status 3 Turn off both ON OFF switches D and F on the programming unit See page 28 4 Close the gas shut off valve Please note If outside temperatures of below 3 C are expected take appropriate measures to pro tect the system fr...

Page 29: ...er supply should generally not be interrup ted including in standby mode 3 Swivel out handle B Pull upper front panel C upwards by a small amount 4 Turn on first ON OFF switch D and then ON OFF switch F The home screen is shown after a short time The illuminated signal light guide along the bot tom edge of the programming unit is illuminated constantly pulses in standby Your system is ready for op...

Page 30: ...ee chapter System characteristics dur ing a mains fault Fault is displayed Cause Remedy System fault Proceed as described on page 24 Service and ë are displayed Cause Remedy The time for a service as specified by your contractor has arrived Proceed as described on page 24 Panel locked is displayed Cause Remedy The control panel is locked Unlock it See page 19 System characteristics during a mains ...

Page 31: ...ins instability power gen eration by the system does not automatically resume and a fault message is displayed If this is the case please contact your contractor What to do if System characteristics during a mains fault cont 5839344 ...

Page 32: ...nance and cleaning should be carried out no later than 2 years after commissioning and as required thereafter Only a qualified contractor should clean the inside of the DHW cylinder and the DHW connections If any water treatment equipment e g a sluice or injection system is installed in the cold water supply of the DHW cylinder ensure this is refilled in good time For this observe the manufacturer...

Page 33: ...es or lines of the appliance or externally installed accessories these must be replaced with special cables or lines Only use Viessmann cables lines as replacement For this notify your qualified contractor Maintenance Damaged cables lines 5839344 ...

Page 34: ...he displays and checks listed may be available under Test mode Settings Language Display setting Date and time Buzzer Internet Low power radio ON OFF Do not adjust Clean screen Units Lock panel Change password Energy cockpit Appendix Overview of Main menu 5839344 ...

Page 35: ...t Thermal output Power drawn from the grid Power exported to the grid Power drawn from the grid Power exported to the grid Production coverage Demand coverage Service contact details Internet Manufacturer s details MAC address Activated Network Signal strength DHCP activated Ipv4 address Ipv4 subnet mask Standard gateway Primary DNS server Secondary DNS server Backend connection Network connection...

Page 36: ...adapted to the local conditions by your heating contractor Fuel cell The fuel cell consists essentially of the following com ponents Reformer In the reformer a hydrogen rich process gas is pro duced from the supplied natural gas The process gas is converted to electricity and heat in the fuel cell stack Fuel cell stack Electrochemical converter similar to a battery which converts the chemical ener...

Page 37: ...s possible to reclaim the energy tax for gas used to operate the fuel cell module This is done by submitting a request for an energy tax refund to the customs office The previously paid energy tax will then be refunded in part Mixer Hot heating water from the heat generator is mixed with cooled heating water from the heating circuit The heating water thus brought to the required tempera ture is pu...

Page 38: ...on pump transports the DHW around a loop line between the DHW cylinder and the draw off points e g hot tap This ensures that hot water is rapidly available at the draw off points Energy tax rebate In Germany it is possible to reclaim the energy tax for gas used to operate the fuel cell This is done by sub mitting a request for an energy tax refund to the cus toms office The previously paid energy ...

Page 39: ...e num ber 5766 Final decommissioning and disposal of the heating system Viessmann products can be recycled Components and fluids from your heating systems are not part of ordinary domestic waste Please speak to your contractor about the correct dis posal of your old system DE Operating fluids e g heat transfer medium can be disposed of at municipal collection points AT Operating fluids e g heat tr...

Page 40: ...4 Electricity production Tips 12 Electricity production optimisation 18 Emissions test mode 26 Energy Cockpit 15 Energy manager 18 Energy statement 16 Energy status check 15 External power supply interruption 27 F Factory setting 11 Fault display 30 Fault message Acknowledging 24 Checking 24 Filter Drinking water 38 Further settings 20 G Gas volume correction factor setting 19 Glossary 36 Grid mon...

Page 41: ... Standby 13 Static IP addressing 22 Status indicator 13 Summer wintertime setting 21 Summertime changeover 11 Switching off Energy manager 18 Micro CHP unit 27 Without frost protection monitoring 27 Switching on Energy manger 18 System 28 Symbols 9 System Switching off 27 Switching on 28 T Temperature checking 24 Temperatures of heating water buffer cylinders 15 Terminology 36 Test mode 26 Time da...

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Page 44: ...n find local contractors on the internet at www viessmann de Viessmann Limited Hortonwood 30 Telford Shropshire TF1 7YP GB Telephone 44 1952 675000 Fax 44 1952 675040 E mail info uk viessmann com Viessmann Werke GmbH Co KG D 35107 Allendorf Telephone 49 6452 70 0 Fax 49 6452 70 2780 www viessmann com 5839344 Subject to technical modifications ...

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Viessmann Vitovalor PA2, Operating Instructions Manual

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