Viessmann VITODENS Operating Instructions Manual
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Viessmann VITODENS Operating Instructions Manual

Heating system with vitotronic 100 control unit, type hc2a for constant temperature operation
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Download this manual See also: Technical Manual, Operating Instructions Manual
VIESMANN

Operating instructions

for the system user
Heating system with Vitotronic 100 control unit, type HC2A
for constant temperature operation
VITODENS
Please keep safe.
5592 646 GB
1/2010

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Summary of Contents for Viessmann VITODENS

  • Page 1: Operating Instructions

    VIESMANN Operating instructions for the system user Heating system with Vitotronic 100 control unit, type HC2A for constant temperature operation VITODENS Please keep safe. 5592 646 GB 1/2010...

  • Page 2: Safety Instructions

    Safety instructions For your safety Please follow these safety instructions closely to prevent accidents and mate- rial losses. Safety instructions explained Danger Incorrectly executed work on the Danger heating system can lead to life- This symbol warns against the threatening accidents. risk of injury.
  • Page 3 Safety instructions For your safety (cont.) If you smell flue gas Ancillary components, spare and wearing parts Danger Flue gas can lead to life-threat- Please note ening poisoning. Components that are not tested ■ Shut down the heating system. with the heating system may lead ■...

  • Page 4: Table Of Contents

    Index Index Introductory information Commissioning..................... Your system is preset at the factory..............Terminology......................Tips on saving energy..................Operation Controls........................ How to operate..................... Symbols........................ Start-up/shutdown Starting the heating system.................. 10 Shutting down the heating system............... 11 ■ With frost protection monitoring................ 11 ■...
  • Page 5 Index Index (cont.) Multi-boiler systems Special considerations for multi-boiler systems........... 26 Emissions test mode..................27 What to do if... Rooms are too cold....................28 Rooms are too hot....................29 There is no hot water.................... 29 The DHW is too hot....................30 "ã"...

  • Page 6: Introductory Information

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

  • Page 7: Tips On Saving Energy

    Introductory information Tips on saving energy Further recommendations: ■ Correct ventilation/airing. Briefly open windows B fully and at the same time close the thermostatic valves C. ■ Close roller shutters (if installed) at dusk. ■ Set thermostatic valves C correctly. ■...

  • Page 8: Operation Controls

    Operation Controls You can change the settings for your Note heating system centrally at the program- The programming unit can be placed in ming unit. a wall mounting base. This is available If you have a room temperature control as an accessory. Ask your heating con- unit installed in your rooms, you can also tractor about it.

  • Page 9: How To Operate

    Operation How to operate Standard display Press . This takes you to the menu for æ settings and scanning. è °C è Symbols These symbols are not always dis- Fault message played, but appear subject to the system Fault message for burner version and the operating state.

  • Page 10: Start-Up/Shutdown

    Start-up/shutdown Starting the heating system °C A Fault indicator (red) D ON/OFF switch B ON indicator (green) E Pressure gauge C Reset button 1. Check the heating system pressure 4. Switch ON the power supply, e.g. at at the pressure gauge. The system a separate MCB/fuse or a main iso- pressure is too low if the indicator lator.

  • Page 11: Shutting Down The Heating System

    Start-up/shutdown Shutting down the heating system With frost protection monitoring Select heating program " " for frost pro- Terminating heat program " " tection (standby mode). Select another heating program. Press the following keys: Press the following keys: for settings; " "...

  • Page 12: Central Heating

    Central heating Required settings for central heating If you want central heating, check the ■ Have you set the required time pro- following points: gram? ■ Have you set the required room tem- For setting see page 13 perature? Room temperature control unit Room temperature control unit operating instructions operating instructions...

  • Page 13: Setting The Time Program For Central Heating

    Central heating Setting the heating program (central heating) (cont.) Press the following keys: 3. OK to confirm. for settings; " " flashes. 4. / until " " flashes. 2. OK to confirm; " " flashes. 5. OK to confirm; the rooms and DHW are heated.

  • Page 14: Stopping The Central Heating

    Central heating Setting the time program for central heating (cont.) Note Time phase "1" If you have set a time program for central 06:00 Time heating at the room temperature control- ler, a time program for at least the same Example: period must also be set in the control You want to set the same time program...

  • Page 15: Central Heating Comfort Function

    Central heating Stopping the central heating (cont.) 3. OK to confirm; " " flashes. 5. OK to confirm; the central heating and DHW heating are deactiva- until " " flashes. ted, frost protection monitoring is activated (standby mode). Central heating comfort function With this function, you can change the Ending central heating comfort func- room temperature for several hours, e.g.

  • Page 16: Dhw Heating

    DHW heating Required settings (DHW heating) If you want DHW heating, check the fol- ■ Have you set the required time pro- lowing points: gram? ■ Have you set the required DHW tem- For settings, see page 17. perature? For settings, see the next chapter. ■...

  • Page 17: Setting The Time Program For Dhw Heating

    DHW heating Setting the time program for DHW heating ■ The time program for DHW heating is to select an individual day made up of time phases. One time ("1" for Monday, "2" for phase from 5.30 to 22:00 h for each Tuesday etc.) and OK to con- day is set at the factory.

  • Page 18: Switching Off Dhw Heating

    DHW heating Setting the time program for DHW heating (cont.) Example: DHW heating once, no longer in the You want to set the same time program time program for every day except Monday: Select the period Note "1234567" and set the time At least one heating circuit of your sys- program.

  • Page 19: Dhw Heating Comfort Function (If Available)

    DHW heating Switching off DHW heating (cont.) You do not want to have DHW or heat 3. OK to confirm; " " flashes. your rooms. until " " flashes. Press the following keys: 5. OK to confirm; DHW heating and for settings;...

  • Page 20: Further Adjustments

    Further adjustments Setting the time and date Set the time 5. OK to confirm. Press the following keys: 6. / for the required date. for settings; " " flashes. 7. OK to confirm; the new date is saved. 2. / for "...

  • Page 21: Restoring Factory Settings

    Further adjustments Restoring factory settings You can simultaneously reset all changed values to the factory settings. Press the following keys: for settings; " " flashes. for " ". 3. OK to confirm; " " flashes. 4. OK to confirm; the factory setting is reinstated.

  • Page 22: Scanning

    °C DHW temperature with Displayed only if a solar thermal solar operation system is connected. °C Temperature sensor / Displayed only if the Viessmann solar control module is available and a third temperature sensor has been connected. °C Temperature sensor aÖ...

  • Page 23: Scanning The Service Messages

    The number of burner starts can be reset to "0" by pressing "D". 0 0 1 4 1 7 Solar circuit pump hours Displayed only if a Viessmann solar control module is installed. The hours run can be reset to "0" by pressing "D".

  • Page 24: Scanning Fault Messages

    Scanning Scanning the service messages (cont.) Example: Notify your local heating contractor and Service display with the service interval acknowledge the service message by of 1800 hours run by the burner: pressing OK. Note ë If the service can only be carried out at a 1 8 0 later point in time, the service message will reappear after 7 days.
  • Page 25 Scanning Scanning fault messages (cont.) 2. Acknowledge the fault message with OK. The symbol " " no longer flashes. Note ■ If you have connected up signalling equipment (e.g. an alarm) for fault messages, this is deactivated when the fault message is acknowledged.

  • Page 26: Multi-Boiler Systems

    Multi-boiler systems Special considerations for multi-boiler systems In systems with several boilers (multi- Heating program boiler systems), each boiler is equipped with its own control unit. These control ■ " " for frost monitoring (standby units are regulated by a higher control mode): unit.

  • Page 27: Emissions Test Mode

    Emissions test mode Emissions test mode Emissions test mode should only be acti- vated by your flue gas inspector during the annual inspection. Press the following keys: for settings; " " flashes. for " ". 3. OK to confirm; "OFF" flashes. for "ON".

  • Page 28: What To Do If

    What to do if... Rooms are too cold Cause Remedy The heating system is switched off. ■ Switch the ON/OFF switch " " ON (see figure on page 10). ■ Switch ON the mains isolator, if instal- led (outside the boiler room). ■...

  • Page 29: Rooms Are Too Hot

    What to do if... Rooms are too hot Cause Remedy Control unit or room temperature control Check and correct settings if required: unit incorrectly adjusted. ■ Heating flow temperature (see page 12) Room temperature (see room temper- ature controller operating instructions) ■...

  • Page 30: The Dhw Is Too Hot

    What to do if... There is no hot water (cont.) Cause Remedy The " " symbol is shown on the display. Press "R" (see figure on page 10). Acknowledge the fault message with OK (see page 24). Notify your heating contractor of the fault code if the fault reoccurs.

  • Page 31: Ë" Flashes On The Display

    What to do if... "ë" flashes on the display Cause Remedy The time for a service, as specified by Notify your local heating contractor and your heating contractor, has arrived. acknowledge the service message with OK (see page 23).

  • Page 32: Servicing

    Maintenance Servicing Cleaning All equipment can be cleaned with a commercially available domestic clean- ing agent (non-scouring). Inspection and maintenance Inspection and maintenance of your Refill any water treatment equipment heating system is prescribed by the (e.g. a lock or injection system) in good Energy Savings Order and DIN 4755, time, if such equipment is installed in the DVGW-TRGI 2008 and DIN 1988-8.
  • Page 33 Terminology Constant temperature operation Heating circuit In constant temperature operation, the A heating circuit is a sealed circuit heating water is constantly heated to the between the boiler and radiators, in selected heating flow temperature. which the heating water circulates. Heating program Heating circuit pump The heating program determines...
  • Page 34 Terminology (cont.) Summer mode Heating program " ". During the warmer months of the year, i.e. if the rooms do not have to be heated, you can deactivate heating mode. The boiler remains enabled for DHW heat- ing. Cylinder primary pump Circulation pump for heating the DHW in the DHW cylinder.

  • Page 35: Keyword Index

    Keyword index Keyword index Actual temperature......33 Date..........11, 20 Additional settings DHW heating........6 ■ Symbol..........9 ■ DHW temperature......16 ■ Factory setting........6 ■ Heating program......16 Balanced flue operation.....33 ■ Required settings......16 Boiler number........26 ■ Switching off........18 Boiler water temperature ■ Symbol..........9 ■ Setting..........12 ■...
  • Page 36 Keyword index Keyword index (cont.) Heating No hot water........29 ■ Without DHW heating.....18 Notice of completion......6 Heating and hot water......6 Heating circ pump......33 Heating circuit........33 ON/OFF switch......10, 11 Heating circuit pump ON indicator........10 ■ Symbol..........9 Open flue operation......33 Heating flow temperature....12 Operation..........8 Heating mode ■...
  • Page 37 Keyword index Keyword index (cont.) Scan Starting ■ Fault message........24 ■ Comfort function......19 ■ Information........22 ■ Energy saving function....19 ■ Operating conditions.......22 ■ Frost protection.......11 ■ Service message......23 ■ Heating system.......10 ■ Temperatures.........22 ■ Standby mode......11, 14 Scanning operating conditions...22 ■...
  • Page 38 Keyword index Keyword index (cont.) Time program Water too hot........30 ■ Central heating, setting....13 Winter mode........33 ■ DHW heating, setting......17 Troubleshooting ■ ............28 Warm rooms........29 Water too cold........29...
  • Page 40 Contact your local contractor if you have any questions regarding the maintenance and repair of your system. You may, for example, find local contractors on the internet under www.viessmann.com. Viessmann Werke GmbH&Co KG Viessmann Limited D-35107 Allendorf Hortonwood 30, Telford...

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