Viessmann VITOVALOR PT2 Operating Instructions Manual
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Viessmann VITOVALOR PT2 Operating Instructions Manual

Fuel cell based micro chp system with integral gas condensing boile
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VIESMANN
Operating instructions
for the system user
Fuel cell based micro CHP system with integral gas condensing boiler
VITOVALOR PT2
Please keep safe.
5835784 GB
9/2018

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  • Page 1 VIESMANN Operating instructions for the system user Fuel cell based micro CHP system with integral gas condensing boiler VITOVALOR PT2 Please keep safe. 5835784 GB 9/2018...
  • Page 2 Safety instructions For your safety Please follow these safety instructions closely to prevent accidents and material losses. Safety instructions explained Danger Note This symbol warns against the risk of injury. Details identified by the word "Note" contain additional information. Please note This symbol warns against the risk of material losses and environmental pollution.

  • Page 3: Safety Instructions

    Safety instructions For your safety (cont.) If you smell gas Danger Escaping gas can lead to explosions which may result in serious injury. ■ Do not smoke. Prevent naked flames and sparks. Do not switch lights or electrical appli- ances on or off. Close the gas shut-off valve.

  • Page 4: Installation Room Requirements

    Safety instructions For your safety (cont.) Installation room requirements Danger Please note Sealed vents result in a lack of combustion air. Incorrect ambient conditions can lead to heating This leads to incomplete combustion and the system damage and can put safe operation at formation of life threatening carbon monoxide.
  • Page 5 Index Index 1. Information Symbols ....................Terminology ................... Intended use ..................Liability ....................Software licences ................... Third party software ................■ 2. Introductory information Commissioning ..................11 Serial number of internal electricity meter ..........11 Your system is preset ................11 Energy saving tips .................
  • Page 6 Index Index Cancelling or deleting the "Holiday program" or "Holidays at ■ home" ....................29 6. DHW heating DHW temperature .................. 30 Operating program ................. 30 Switching DHW heating ON or OFF ........... 30 ■ Time program ..................30 Setting a time program ............... 30 ■...
  • Page 7 Index Index (cont.) Safety valve (DHW cylinder) ............... 44 ■ Potable water filter (if installed) ............44 ■ Damaged cables / lines ................. 45 12. Appendix Overview of extended menu ..............46 Checking options under "Information" ..........46 Heating terminology ................48 Information on disposal ................

  • Page 8: Intended Use

    Information Symbols Symbol Meaning Reference to other document containing further information Step in a diagram: The numbers correspond to the order in which the steps are carried out. Warning of material losses and environ- mental pollution Live electrical area Pay particular attention. Component must audibly click into place.
  • Page 9 (e.g. if the flue gas and ventilation air paths are sealed). Liability Viessmann accepts no liability for loss of profit, unat- The Viessmann General Terms and Conditions apply, tained savings, or other direct or indirect consequential which are included in each current Viessmann pricelist.
  • Page 10 Information Software licences (cont.) 5 Contact Information Viessmann Werke GmbH & Co. KG D-35107 Allendorf Germany Fax +49 64 52 70-27 80 Phone +49 64 52 70-0 open-source-software-support@viessmann.com www.viessmann.de...

  • Page 11: Introductory Information

    Introductory information Commissioning The commissioning and matching of the control unit to As the user of new combustion equipment, you may be local conditions and building characteristics, as well as obliged to notify your local flue gas inspector of the instructing the user in the operation of the system, installation [check local regulations].

  • Page 12: Tips For Greater Comfort

    Introductory information Energy saving tips Central heating ■ Ventilation: Close the thermostatic valves when ventilating/airing Standard room temperature (see page 26): manually. Open the windows fully for a brief time. ■ Do not overheat your home. Every degree of room Roller shutters: ■...
  • Page 13 Introductory information Power generation tips Optimising the rate of on-site power consumption The largest financial savings will be achieved if the power generated by the fuel cell is consumed on site. Whenever possible, do not switch on large energy con- sumers (e.g.

  • Page 14: Status Indicator

    Operation Programming unit You can change any settings on your micro CHP sys- 2 control levels are available: tem centrally at the programming unit of the control ■ The standard menu: See page 14. unit. The main menu: See page 16. ■...

  • Page 15: Programming Unit

    Operation Programming unit (cont.) Default display "DHW" In the default display, you can adjust and check the most frequently used settings: DHW set temperature ■ ■ Time program One-off cylinder heat-up ■ Fig. 3 Symbols and buttons These symbols are not always displayed, but appear Buttons in the footer subject to the system version and the operating status.

  • Page 16: Operating Program

    Operation Programming unit (cont.) ■ Heating circuits flow temperature For more information, tap on the relevant term. ■ DHW temperature Fuel cell heating output ■ Main menu In the main menu, you can check and adjust all of the settings for the control unit's range of functions. You can find the menu overview on page 46.
  • Page 17 Operation Operating program (cont.) Special operating programs ■ "Screed drying" Note This function is activated by your heating contractor. The special operating programs are shown on the dis- Your screed is dried in line with a set time program play in alternation with the heat generator flow temper- (temperature/time profile) suitable for the relevant ature.
  • Page 18 Operation Time program (cont.) for the start and end time of time phase 2. 09. "Comfort" to select comfort room temperature. The bar in the time diagram is adjusted. to confirm to quit the time program Fig. 5 Copying the time program to other days of the week You can copy a given time program to every other day 3.

  • Page 19: Comfort Function

    Operation Comfort function Setting "Comfort mode" (if available) Tap the following on-screen buttons: The rooms will be heated with the temperature of the last active time phase for standard room tem- 1. "Heating circuit 1 " in the header to select the perature or comfort room temperature.
  • Page 20 Operation Energy cockpit (cont.) Energy statement for power generation and power consumption The current situation of power generation and power 1. In the standard menu, use to call up the consumption can be checked. Energy cockpit. The following time periods can be called up: 2.

  • Page 21: System Overview

    (e.g. time. operating time and utilisation level). Depending on sys- Vitovalor PT2 is operated with constant heat input (gas tem-specific parameters (e.g. installation altitude and input) and constant overall efficiency. This means that...
  • Page 22 Start-up/shutdown Starting the micro CHP system Fig. 7 Gas shut-off valve Export meter Handle Fuel cell ON/OFF switch Front panel Serial number of internal electricity meter Gas condensing module ON/OFF switch Ask your heating contractor about the following: ■ Required system pressure Position of ventilation apertures ■...
  • Page 23 Start-up/shutdown Starting the micro CHP system (cont.) Energy manager optimising power generation Switching the energy manager ON or OFF – The integral energy manager is enabled at the factory. During operation with the energy manager, the fuel ■ cell start times are matched to the power consump- 2.
  • Page 24 Start-up/shutdown Switching off the micro CHP system (cont.) Switching off heat generation with frost protection monitoring ("Standby mode") For every heating circuit, select the "Standby mode" Note operating program and switch off DHW heating. ■ The circulation pumps are briefly started every 24 ■...
  • Page 25 Start-up/shutdown Switching off the micro CHP system (cont.) 3. Turn off both ON/OFF switches on the 5. Switch OFF the external power supply. programming unit (see page 22). Note 4. Close the gas shut-off valve. As they are not being supplied with power, the circu- ■...

  • Page 26: Room Temperature

    Central heating Heating circuit selection The heating of your rooms can be split over several 2. Tap on the required heating circuit. heating circuits if necessary. At the factory, heating circuits are designated 1, 2, 3 in the header. ■ If you are operating several heating circuits, always first select the heating circuit to which the change should apply, before adjusting any central heating...

  • Page 27: Time Program

    Central heating Switching central heating ON or OFF (operating… (cont.) to confirm Time program Further information can be found in chapter "Terminology" in the appendix. Setting a time program Factory setting: One time phase from 06:00 to 22:00 h 6. To continue, see page 17. for every day of the week Note 1.
  • Page 28 Central heating Heating curve (cont.) Depending on the differing outside temperatures (shown on the horizontal axis), the assigned set flow temperatures for the heating circuit are displayed. "Holiday program" energy saving function Setting the "Holiday program" with reduced room temperature The holiday program starts at 00:00 h on the departure to confirm date.
  • Page 29 Central heating "Holiday program" energy saving function (cont.) Cancelling or deleting the "Holiday program" or "Holidays at home" Tap the following on-screen buttons: 3. Tap "Heating circuit 1 " in the header to select the required heating circuit (if possible). 2.

  • Page 30: Dhw Temperature

    DHW heating DHW temperature Factory setting: 50 °C for the required value Tap the following on-screen buttons: to confirm 1. In the default display for "DHW" Operating program Further information can be found in chapter "Terminology" in the appendix. Switching DHW heating ON or OFF Tap the following on-screen buttons: For information on the operating programs, see page 16...

  • Page 31: Dhw Heating

    DHW heating Time program (cont.) Increased DHW hygiene You can heat the DHW in the DHW cylinder to a speci- 5. Select day of the week. The selected day of the fied DHW set value for a duration of one hour. week is highlighted.

  • Page 32: Setting The Display Illumination

    Further adjustments Locking the controls You can lock the controls via the display in 2 steps: 2. "Settings" ■ All functions in the standard menu are operable. The emissions test mode can be enabled. Message lists 3. "Lock panel" are displayed. All other functions are disabled.

  • Page 33: Naming Heating Circuits

    Further adjustments Naming heating circuits You can name all heating circuits individually. 3. "Rename heating circuits" Note 4. "Heating circuit 1" for the required heating circuit The abbreviations 1, 2, 3, 4 in the standard menu are retained. 5. Type the required names, e.g. "Ground floor" (1 to 20 characters).

  • Page 34: Enabling Wlan

    Further adjustments Permanently selecting the default display You can select one of the following displays as the 2. "Settings" default display: "Heating" 3. "Selecting the default display" ■ "DHW" ■ ■ "System overview" 4. Required display ■ "Energy cockpit" ■ "Favourites"...
  • Page 35 Then use your smartphone to connect to "ON" or "OFF" the "Viessmann-<xxxx>" WLAN network. You will find your WLAN password via the QR code under "WPA2 to confirm login". Open a browser on your device and enter gate- way address http://192.168.0.1 in the address line.

  • Page 36: Restoring The Factory Settings

    Further adjustments Deactivating the display screen for cleaning (cont.) 3. "Clean screen" The screen is deactivated and a countdown begins. Restoring the factory settings You can reset all changed values to their factory set- Time program for DHW heating ■ tings.

  • Page 37: Checking Information

    Checks Checking information Subject to the components connected and the settings Tap the following on-screen buttons: made, you can check current temperatures and oper- ating conditions. Information in the information menu is split into groups: 2. "Information" ■ General ■ Heating circuit 1 Reading the internal electricity meter ■...
  • Page 38 Checks Checking fault messages If faults have occurred on your micro CHP system, this Danger is indicated on the display with the symbol and If faults are not rectified, they can have life "Fault". The light bar flashes orange (see chapter threatening consequences.

  • Page 39: Emissions Test Mode

    Emissions test mode Emissions test mode Emissions test mode for testing flue gas with the briefly Note raised flow temperature of the heat generator. The flue gas inspector can also activate emissions test Emissions test mode should only be activated by your mode if the controls have been locked by your heating flue gas inspector during the annual inspection.
  • Page 40 Emissions test mode Selecting maintenance mode Maintenance mode can be activated after consulting 2. "Fuel cell" your heating contractor, to prepare for servicing. This enables the heating contractor to begin the service 3. "Maintenance mode ON" without delay. It is recommended to start the process at least 2 hours prior to servicing.

  • Page 41: Rooms Are Too Cold

    What to do if... Rooms are too cold Cause Remedy The gas condensing module is switched off. Turn on the ON/OFF switch (see page 22). ■ Set the MCB in the power distribution board (main do- ■ mestic MCB). Control unit incorrectly adjusted. Central heating must be enabled.

  • Page 42: "Fault" Is Displayed

    What to do if... There is no hot water Cause Remedy The gas condensing boiler is off. Turn on the ON/OFF switch (see page 22). ■ Set the MCB in the power distribution board (main do- ■ mestic MCB). Control unit incorrectly adjusted. DHW heating must be enabled.

  • Page 43: "External Hook-Up" Is Displayed

    What to do if... and "Service" are displayed ë Cause Remedy The service time, as specified by your heating contrac- Proceed as described on page 37. tor, has arrived. "Panel locked" is displayed Cause Remedy The control panel is locked. Unlock it (see page 32).

  • Page 44: Inspection And Maintenance

    Maintenance Cleaning The appliances can be cleaned with a commercially available domestic cleaning agent (non-scouring). Clean the surface of the programming unit with a microfibre cloth. Inspection and maintenance The inspection and maintenance of a heating system Regular maintenance ensures trouble-free, energy effi- is prescribed by the Energy Saving Ordinance [EnEV - cient, environmentally responsible and safe heating.

  • Page 45: Damaged Cables / Lines

    If there is damage to the connecting cables 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.
  • Page 46 Appendix Overview of extended menu Heating circuit 1 Heating circuit 2 Heating Heating circuit 3 Heating circuit 4 Test mode Set room temperatures Time program Heating curve Settings Language DHW ON/OFF Information Display brightness DHW set temperature DHW time program Date and time Holiday program Time program DHW circulation...
  • Page 47 Appendix Checking options under "Information" (cont.) "General" "Fuel cell" "System pressure" "Operating status" "Outside temperature" "Hours run" "Flow temperature" "Power generation time" "Boiler circuit pump" "Total power generated" "Flue gas temperature" "Electrical output" "Burner" "Thermal output" "Burner hours run" "Power drawn from the grid" "Thermal output"...
  • Page 48 Appendix Heating terminology Setback mode (reduced heating mode) Fuel cell See "Reduced heating mode". The fuel cell consists essentially of the following com- ponents: System version ■ Reformer In the reformer, a hydrogen-rich process gas is pro- The system version describes the components of your duced from the supplied natural gas.

  • Page 49: Heating Terminology

    Appendix Heating terminology (cont.) Reduced heating mode The outside temperature is captured and transmitted to the control unit by a sensor. The sensor is fitted to the For periods when you will be absent or during the exterior of the building. night, heat your rooms to the reduced room tempera- ture.
  • Page 50 The combustion air is drawn from the room where the Changing the level: heat generator is installed. Open flue operation is not The heating curves are shifted in parallel in a verti- permissible with Vitovalor PT2. cal direction. Room sealed operation Heating circuit The combustion air is drawn from outside the building.
  • Page 51 (Altstoff Recycling Austria AG, licence 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.
  • Page 52 Keyword index Keyword index DHW heating Actual temperature, checking........37 – Comfort..............12 Appliance, starting............22 – Energy saving............12 – Factory setting............11 – Operating program..........16, 30 Boiler hours run............20 – Outside time program..........30 Brightness, setting............32 – Time phases............30 – Time program............30 DHW hygiene.............
  • Page 53 Keyword index Keyword index (cont.) Help message checking..........38 Pressure indicator............22 Higher DHW temperature...........31 Programming unit............14 Holiday............... 28 Pump Holiday program – Cylinder..............50 – Cancelling/deleting..........29 – DHW circulation............51 – Starting..............28 – Heating circuit............50 Information, checking..........37 Reduced heating mode..........
  • Page 54 Keyword index Keyword index (cont.) Terminology..............48 Test mode..............39 Underfloor heating............48 Time, setting...............33 Time/date, factory setting........... 11 Time phase changing..........18 Water too cold............42 Time phase deletion........... 18 Water too hot..............42 Time phases Weather-compensated mode........51 – Central heating............27 Window ventilation............. 12 –...

  • Page 56: Your Contact

    Your contact Contact your local contractor if you have any questions about your system or wish to arrange maintenance or repair work. You can find local contractors on the internet at www.viessmann.de. Viessmann Werke GmbH & Co. KG Viessmann Limited...

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