User Manual - all about gas
Contents
1. 26 47 819 24 8 8 35 47 819 25 Further information can be found in chapter Terminology in the Ap pendix Your system is preset at the factory The control unit is preset at the factory for standard operation Energy saving tips Utilise the setting options for the control unit and remote control if available Your heating system is therefore ready for operation You may change the fac tory setting in accordance with individual requirements Central heating m Room temperature Never overheat your rooms Every degree of room temperature reduction saves up to 6 of your heating bills Set your room temperature no higher than 20 C m Operating modes Introductory information Energy saving tips cont If you do not require central heating select one of the following operating modes If you do not wish to heat rooms in summer but require domestic hot water set rotary selector J see page 11 and turn rotary selector M to 0 If you require neither central heating nor DHW for a prolonged period set rotary selectors 0 and J to 0 see pages 11 and 11 m Ventilation To ventilate open the windows fully for a brief time and meanwhile close the thermostatic valves if there is no domestic ventilation system installed m Roller shutters Close roller shutters where installed at dusk m Thermostatic valves Ensure that thermostatic valves are properly set m R2. using the relevant operating instruc tions Weather compensated mode Further information can be found in chapter Terminology in the Ap pendix In weather compensated mode the boiler water temperature is regulated subject to the outside temperature Rotary selector I enables you to increase or reduce the room tempera ture 5618 673 GB 5618 673 GB Start up shutdown Starting the heating system We recommend you contact your local heating contractor if you are planning to start up a heating system that has not been used for a long period 1 Check the pressure of your heating system on the pressure gauge Minimum system pressure 0 8 bar If the system pressure is too low please notify your heating contrac tor 2 With conventional flue operation combustion air is taken from the boiler room There must be fixed permanent ven tilation into the boiler room 3 Open the gas shut off valve 4 Switch on the ON OFF switch m0 Your heating system and room tem perature control unit if connected are now ready for operation Shutting down the heating system Switching the Vitodens off with frost protection Further information can be found If you do not wish to use your boiler for in chapter Terminology inthe Ap several days you can switch the unit pendix off Start up shutdown Shutting down the heating system cont Turn both rotary selectors to 0 Frost protection is now active for t
3. boiler water tem perature Appendix Open flue operation The combustion air is drawn from the room where the boiler is installed Balanced flue operation The combustion air is drawn from out side the building Room temperature dependent opera tion A room temperature control unit cap tures the room temperature and com pares this with the required room tem perature you selected If the room tem perature is lower than the required value the boiler is switched on if the room tem perature is higher than the required value the boiler is switched off Please make any adjustments to the connected room temperature control unit using the relevant operating instruc tions Note The heating water temperature must be set sufficiently high using the rotary selector 4l for the desired room tem perature to be reached Safety valve A safety device that must be installed by your heating contractor in the cold water pipe The safety valve opens automati cally to prevent excess pressure in the DHW cylinder 17 Appendix Terminology cont Drinking water filter A device that removes solids from the water The drinking water filter is instal led in the cold water pipe upstream of the DHW cylinder or the instantaneous water heater Flow temperature The temperature of the heating water that flows to the radiators in the flow line Accordingly the temperature of the heating water that flows from the
4. 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 amp Co KG Viessmann Limited D 35107 Allendorf Hortonwood 30 Telford Telephone 49 6452 70 0 Shropshire TF1 7YP GB Fax 49 6452 70 2780 Telephone 44 1952 675000 www viessmann com Fax 44 1952 675040 E mail info uk viessmann com 20 Subject to technical modifications 5618 673 GB
5. Operating instructions VI EMAN N for the system user Heating system with control unit for constant temperature or weather compensated mode VITODENS 111 W 5618 673 GB 4 2012 Please keep safe Safety instructions For your safety Please follow these safety instructions closely to prevent accidents and mate rial losses Safety instructions explained Danger This symbol warns against the risk of injury Please note This symbol warns against the risk of material losses and envi ronmental pollution Note Details identified by the word Note con tain additional information Target group These operating instructions are for the heating system user This unit is not designed to be used by persons including children with limited bodily sensory or mental capacities or lacking experience and or lacking knowl edge unless they are supervised by a person responsible for their safety or have received instructions from such a person as to how to use the unit Please note Children should be supervised Ensure that children do not play with the unit Danger Incorrectly executed work on the heating system can lead to life threatening accidents m Work on gas appliances must only be carried out by a regis tered gas fitter m Work on electrical equipment must only be carried out by a qualified electrician If you smell gas A Danger Escaping gas can lead to explo sions which may result i
6. adiators Never cover radiators or thermostatic valves DHW heating m DHW temperature Never set the DHW cylinder tempera ture excessively high see page 11 m DHW consumption Consider showering instead of running a bath A shower generally uses less energy than a full bath 5618 673 GB 5618 673 GB Where to find the controls Summary of controls and indicators Control and display elements Pressure gauge 4i Rotary selector heating water Display temperature and reset 45 Rotary selector DHW temper ON OFF switch ature Indicators on display Heating mode F Current burner output DHW heating Burner in operation Display value or fault code Fault Temperature in C Service setting active only for con tractors Where to find the controls Operating mode of the heating system Operation without room temperature control unit Further information can be found The required heating water temperature in chapter Terminology in the Ap can be set with the rotary selector pendix QM see page 11 Operation with room temperature control unit Further information can be found Note in chapter Terminology in the Ap The heating water temperature must be pendix set sufficiently high using the rotary selector 4l for the desired room tem Please make any adjustments to the perature to be reached connected room temperature control unit
7. he boiler Note Frost protection for the entire heating system see operating instructions for the room temperature control unit Shutting down the heating system Shut down your heating system com pletely if it will not be needed for a long period of time several months We recommend you contact your local heating contractor if you are planning to shut down your heating system for long periods Your heating contractor can then take any necessary action subject to requirements e g system frost pro tection or preserving the heating surfa ces 1 Close the gas shut off valve and safe guard against unauthorised reopen ing 2 Switch off the ON OFF switch The power to the system is now switched off Note that the system is no longer frost protected 10 5618 673 GB 5618 673 GB Heating Further information can be found in chapter Terminology in the Ap pendix 3 4 RESET o D e ol e gt jm Domestic hot water Further information can be found in chapter Terminology in the Ap pendix Settings Switching on Move rotary selector II to the required heating water temperature Note Ifa room temperature control unit is con nected use this unit to set the desired room temperature see page 8 If central heating is active the display shows TI Switching off Turn rotary selector I4 to 0 Select the DHW temperature in accord ance with your per
8. ller is Gas Safe registered by calling GasSafe register on 44 0 800 408 5500 or visit the website www gassaferegister co uk 15 Servicing Inspection and maintenance cont Drinking water filter if installed Further information can be found in chapter Terminology in the Ap pendix For hygiene reasons m replace filter element on non back washing filters every six months vis ual inspection every two months m on backwashing filters backwash every two months 16 5618 673 GB 5618 673 GB Terminology Constant temperature mode In constant temperature mode the heat ing water is constantly continuously heated to the selected boiler water tem perature Operating modes You can select the following operating modes m When I and are selected The rooms are heated DHW is heated winter mode m When is selected DHW is heated but there is no central heating summer mode m When M is selected The rooms are heated but there is no DHW heating a When I and are set to 0 Frost protection for the boiler and DHW cylinder is active no central heating no DHW heating standby mode Heating water temperature The temperature of the heating water that flows to the radiators roughly equal to boiler water temperature Boiler water temperature The heating water in the boiler boiler water is heated to the temperature selected at the control unit This temper ature is described as
9. n serious injury m Do not smoke Prevent naked flames and sparks Never switch lights or electrical appli ances ON or OFF m Close the gas shut off valve m Open windows and doors m Remove all people from the danger zone m Notify your gas or electricity supplier and your heating con tractor from outside the build ing m Shut off the electricity supply to the building from a safe place outside the building 5618 673 GB 5618 673 GB For your safety cont If you smell flue gas A Danger Flue gas can lead to life threat ening poisoning m Shut down the heating system m Ventilate the boiler room m Close all doors in the living space In case of fire A Danger Fire creates the risk of burning and explosions m Shut down the heating system m Close the shut off valves of the fuel lines m Use a tested fire extinguisher class ABC Boiler room requirements Please note a Incorrect ambient conditions can lead to damage to the heating system and put the safe opera tion at risk m Ensure ambient temperatures above 0 C and below 35 C m Prevent air contamination by halogenated hydrocarbons e g as contained in paints solvents or cleaning fluids and excessive dust e g through grinding polishing work m Avoid continuously high humid ity levels e g through frequent drying of washing m Never close existing ventilation apertures Safety instructions Ancillary componen
10. ontact your heating contractor with the fault code 1 0 14 5618 673 GB 5618 673 GB Cleaning All appliances may be cleaned with a commercially available domestic clean ing agent non scouring Inspection and maintenance The inspection and maintenance of a heating system is prescribed by the Energy Savings Ordinance EnEV Ger many and the DIN 4755 DIN 1988 8 and EN 806 standards Boiler Increasing boiler contamination raises the flue gas temperature and thereby increases energy losses All boilers should therefore be cleaned annually Logbook Please ensure that you have a Logbook supplied with your appliance This Log book should be completed by your instal ler to verify that the correct installation and commissioning procedure was fol lowed Failure to complete the Logbook may result in difficulties should a problem arise with your appliance during the guarantee period This Logbook forms part of the industry s Benchmark code of practice for the installation commission ing and servicing of central heating sys tems Servicing Regular maintenance ensures trouble free energy efficient and environmen tally responsible heating For this it is recommended that you take out an inspection and maintenance contract with your local contractor All Gas Safe Registered Installers carry a ID card and have a registration num ber Both should be recorded in your Logbook You can check your insta
11. own the heating SYSteM eee eeeee center eeeeeeeetnaeeeeeeaeeeenneeeene 10 Settings Heating seposita is seeteen traces E E aea NE S 11 Domestic hot waterskien aE ENa EE SEA eae 11 Displays Heating Water temperat re sirsie orana a aea aea i rio anh Ee AEE aai 12 What to do if System characteriStiCs 5 iiaii riani neaei an iaeiae aiaa aaea aaa a 13 Fault indicator om CIS Pl AY ii iesist reines nirean nea drives dee aidea gi iskar Ri 14 Reset burner fault Reset 2ac cc cece a a A EEEE 14 Servicing Cleaning rn nite Rae delet ea ad Mae dain aaa 15 Inspection and MAINTENANCE scccse sez cesceee socses decessecievesceneeeestes aidaa aain 15 A BOJEM einai Seti ait aetna shee ees 15 a Drinking water filter if InStalled 0 eee eeee ee eneeeeeeeeeeeeeeeeeetaeeeseeaeeeeneeeeee 16 Appendix RQ RIMIMOIO GY iseitis ainan aaaea aa aE EAN EA NEE ee aai E aaa bd ts 17 Keyword IndeX miorre eee Ea a tee fea tenes EE TE E E S 19 4 5618 673 GB 5618 673 GB Commissioning The commissioning and matching up of the control unit to local conditions and the building characteristics must be car ried out by your heating contractor Terminology To provide you with a better understand ing of the functions of your Viessmann control unit some terminology is explained The terms are marked as follows Introductory information Gas council no Rated heating Gas council no output range kW 6 5
12. radia tors to the boiler in the return line is described as the return temperature Weather compensated mode In weather compensated mode the flow temperature is controlled according to the outside temperature This means that no unnecessary heat is generated in order to heat the rooms to the required room temperature you selected The outside temperature is captured and transmitted to the control unit by a sen sor fitted outside the building 18 5618 673 GB 5618 673 GB Keyword index Cc Changing the temperature 8 11 Cleaning information cee 16 COMMISSIONING siiin 5 COMMONS ss sa atte reete 7 D DHW temperature eee 11 DISDIAYs exes secnecneuctede hed auerexuiczes pes necetcevss T Display elements issii 7 Drinking water filter eee 16 E Error fault 14 F FaUlhseisnssasenssneiiianan nas 13 Frost protection ceseeeeeeeeeee 9 H Heating water temperature 11 l INS pect OMaria 15 Keyword index M Maintenance cccccccccceeeeeeteeeeees 15 Maintenance contract e 15 N Notice of completion 0 ee 5 R PROS Clea terr batesieshedese 14 Room temperature sisisi 8 S SANMING ise nnne E a 9 SWICHING Offices n 9 T Temperature display 12 Terminolog cscesssseceeeeesseseerreees 17 Ww Weather compensated mode 8 18 19 Your contact Contact your local contractor if you
13. sonal requirements e g for showering Switching on Move rotary selector 1 to the required DHW temperature If DHW heating is active the display shows 3 Switching off Turn rotary selector to 0 11 Displays Heating water temperature Further information can be found in chapter Terminology in the Ap pendix The boiler water temperature appears on the display at all times during operation The heating water temperature is roughly equal to the boiler water temper ature 12 5618 673 GB 5618 673 GB System characteristics What to do if Cause What to do if Remedy the heating system will not start No mains voltage Switch on the ON OFF switch Rotary selector OI is on 0 Setting the desired heating wa ter temperature see page 11 Fuse MCB in the power distribution board domestic mains fuse or in control unit has blown responded Notify your local heating con tractor the burner is not started or starts intermittently No gas available Open the gas shut off valve and if necessary check with your gas supply utility Control unit fault Check the fault code on the dis play Notify your local heating contractor and state the fault code the burner fails to start fault message 4 is dis played the burner shuts down even if the rooms have not reached their required tem perature the rooms ha
14. ts spare and wearing parts Please note Components that are not tested with the heating system may lead to damage to the heating system or may affect their various func tions Installation or replacement work must only be carried out by quali fied personnel Index Index Introductory information COMMISSIONING ranee acta Ae E AEE EANAN 5 TEMINY ecaisyscttceaceyssedes sesgeneeuas sway sctavadacbesgarcaevseesaageiteadinenayed deasecteugitnteaati ts atues 5 Your system is preset at the faCtOry ee eee ee eeneeeeeeeeeeeeeeeeeenaeeeseeneeeeenneeeene 5 Energy SAVING UPS id EGE aaea eeit dst 5 Where to find the controls Summary of controls and indicators eee ee eeeeeeeeeneeeeeeeeeesnneeeeeeneeeeeeeees 7 w Control and display Elements sirsiran nagasari kisia 7 E INGIGATOFS ON CIS Pla 23 cicvseceecavteccceseenszeactdesecniecesnes aata oap aSa Eea ani are T Operating mode of the heating SYSteM ee ee eeeeeeeceeeeeeeetneeeeeeeenaeeeeeeeeaeees 8 m Operation without room temperature Control Unit eee eeeeeeeeeeeeee aeons 8 m Operation with room temperature Control UNit ec eeeeeeeeeeeeeeneeteeeeeeeee 8 m Weather compensated MOJ es rsisi iriiri aai 8 Start up shutdown Starting the heating SyStOmMs c cc ccs ceiecessheecbeeeeeesteecsee cee aininn ainan 9 Shutting down the heating SYSteM eee cece eee eee eeeeeeeeeeeeenaeeeeeenaeeeeneeaees 9 m Switching the Vitodens off with frost protection 9 mw Shutting d
15. ve not reached the required tem perature even though the burner is operational False start Water shortage Fault in the ventila tion air supply or flue system Heating water tem perature or required room temperature is set too low Air in the heating system DHW priority Circulation pump faulty Reset burner fault see page 14 if this attempt to start also fails notify your heat ing contractor Notify your local heating con tractor Notify your local heating con tractor Raise the heating water temper ature with rotary selector QMO see page 11 or raise re quired room temperature see room temperature control unit operating instructions Bleed radiators Wait until the DHW cylinder has been heated up Notify your local heating con tractor DHW temperature is too low DHW temperature is set too low or rotary selector J is on Q Set the desired DHW tempera ture 13 What to do if Fault indicator on display Any fault in the heating system will be shown on the display You can check the fault code on the dis play and then notify your heating con tractor accordingly This allows the heat ing contractor to better prepare for the service call and may save additional travelling costs Reset burner fault Reset 1 Turn rotary selector I4 to 4 RESET for less than 2 s then back into the control range 3 2 2 If the attempt to start fails c
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