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1. 107210m0 B C A Heating adjustment knob B RESET key C Domestic hot water adjustment knob D Green light for indications see section 3 19 E Red light for indications see section 3 19 Figure 6 Remote control 10 3 19 Remote control on request If the boiler is connected to the remote control the heating temperature adjust ment and domestic hot water tempera ture adjustment functions are performed directly on the remote control as indicated below the adjustment of the heating is carried out directly using knob A as per figure 6 the adjustment of the domestic hot water is carried out directly using knob C as per figure 6 Furthermore it is possible to reset any alarms by pressing the RESET key see figure 6 detail B Two indication lights are present on the remote control and have the following meaning green light on heating service on and correct communication between boiler and remote control green light blinking every 7 seconds correct communication between boiler and remote control red light on boiler in lock out status It is possible to re activate it by pressing the RESET key see figure 6 detail B If the lock out occurs frequently contact a professionally qualified technician red light blinking boiler in lock out for more than 5 minutes It is possible to re activate it by p
2. 11 of figure 1 until it reaches the domestic water temperature desired The flame control appliance will start up the burner If the burner fails to ignite within 5 seconds the boiler will automatically attempt ignition another three times after which if it fails to start up it will shut down and the display will show L 01 Press the button in order to re set normal operating conditions The boiler will automatically attempt another start up CAUTION If the appliance frequently shuts down contact a qualified technician to restore normal running conditions Now the boiler will continue to operate in relation to the service requested and will indicate the following on display 1 d if a domestic water request is active C if a heating request is active O ifthere is no domestic water or heating request active 3 6 Users menu Entry into the Users Menu is shown by display 1 blinking In order to access 6 Boiler temperature C the Users menu just e press the button for 2 seconds until the display starts to blink e press and release the button several times until the parameter desired is displayed e by means of the or E keys it is possible to change the value of the parameter e press in order to confirm the amended data and pass onto the next parameter e Once you have reached the end of the menu on the last Reset the display 1
3. 31 99 2002 21 20 004 6007129 B P B P C 24 24 34 34 45 GsINO AS NOVADENS 24 NOVADENS 24C NOVADENS 34 NOVADENS 34C NOVADENS 45A MODELS NOILVINHOANI INVLHOdINI SNIVLNOD LI ATINASYVO WANVA 3H1 GVdd ASVAld sd 109 SVD 404 TVANVIN SUIS Table of contents 1 GENERAL SAFETY WARNINGS u a i dud 3 2 GENERAL INFORMATION osas 4 A 4 2 2 DESCHPION CN ode 4 2 3 Manufact rer aan 4 2 4 Key to symbols USDA nee ee ee ne 4 A E PRO REI 4 3a USE AE AIA 5 e Eu B Gheckihat ih COCKS are Open ee ee 5 3 2 Check heating system pressure eli 5 A a a a a maana te aia ta Q dee Da ahua a hama iss ahh nes 5 39A DISA uuu RI ee u aa 6 A A ao pe n a a aa 6 SO US OrS IDGIU Su RA 6 a A RR o O IS EEE SEE 7 o PA eh 7 3 9 Adjusting the heating temperature ENEE 7 3 10 Adjusting the heating temperature with climatic adjustment 7 3 11 Domestic hot water temperature adjustment AAA 8 3 12 Room le EE Ee ET E 8 9 13 EOS and alas zu ee re 8 3 14 Presse GI ZII ee iaia 8 gt S SPUNEA CSUN sis ae te nt ete at a te tata e ta at tal tea ln ta a ode 9 3 16 Precautions against freezing EEN 9 3 12 ALE das discharge een ee ee 9 3 18 0p6rating anomalies eier 9 3 19 Remote control on request nie 10 A e ao A 11 4 1 General warranty conditions ENEE 11 4 2 Instructions for filling in the warran
4. stops blinking indicating exit from the Users menu If no key is pressed for more than 60 seconds one automatically exists the menu Any change in the parameters not confirmed using the button will be lost In this menu it is possible to consult and or change the parameters indicated in figure 3 3 USE PARAMETER OR Ub fm O A Or ICH USERS MENU DESCRIPTION Adjustment of the gradient of the line as per figu re 4 Visible only with climatic adjustment active See installation and instruction manual Adjustment of Minimum heating temperature Visible only with climatic adjustment active See installation and instruction manual Adjustment of Maximum heating temperature Visible only with climatic adjustment active See installation and instruction manual Adjustment of the parallelism b of the line as per figure 4 Visible only with climatic adjustment active See installation and instruction manual Display of calculated heating temperature if climatic adjustment active or display of tempera ture set via the control 7 as per figure 1 Display of domestic hot water temperature set via the control 11 as per figure 1 Display of last error registered INFORMATION ON DISPLAY 2 Setting range 0 1 5 0 Setting range 20 C 60 C for radiant panels 30 C 60 C for radiators Setting range 45 C for radiant panels 80 C for radiator
5. If the comfort produced by the climatic adjustment is not satisfactory too hot too cold room temperature not constant 3 USE just enter the users menu and adjust the parameters corresponding to figure 4 It is necessary to consider that the thermal inertia of a dwelling is extremely high therefore each time you make a change wait at least 24 hours to see the result 3 11 Domestic hot water temperature adjustment To adjust the domestic hot water turn control knob 11 of figure 1 As soon as the knob is touched gf will blink on display 1 and the temperature being set will appear on display 2 It is advisable to set this value at 50 C 55 C if a storage tank is present the temperature can arrive at 60 C 65 C 3 12 Room temperature adjustment lt is necessary to install a time programmable thermostat for an optimum setting of the room temperature and thus satisfactory energy saving this is a device capable of switching on and off and 90 or raising and lowering the room temperature in relation to certain set times Contact a qualified technician for the installation of this device This boiler is suitable for being connected to devices of this type 3 13 Errors and alarms The boiler control device carries out numerous checks When it detects a malfunction it shuts down the appliance and displays the reason for the shut down on the display The boiler may stop as a resu
6. using the pressure gauge 13 see figure 1 to ensure a reading between 1 and 1 5 bar Wait a few minutes after opening the gas supply cock before starting the boiler up Do not leave the boiler switched on unnecessarily if it is not going to be used for long periods in such situations close the gas cock and disconnect from the electricity mains supply Consult section 3 16 if there is a risk of freezing Do not touch the flue gas discharge pipe during and for some time after operations as it is very hot 2 GENERAL INFORMATION the environment since it falls within 2 1 Introduction Congratulations You have effectively purchased one of the best products on the market Each single part is built tested and assembled with pride at the COSMOGAS factories thereby guaranteeing optimum quality control Thanks to on going research carried out by COSMOGAS this product has been conceived and is considered to be the best in its class with regards to respect for NOVADENS XXYYYY il class 5 less polluting envisaged by technical norm EN 297 and EN 483 and has an elevated efficiency 4 stars as per EC Directive 92 42 EEC Great importance is also given to the end of the appliance s useful life All its components can easily be separated into similar and completely recyclable parts 2 2 Description of models Boiler with exchanger sanitary to partial accumulation A Boiler for only heating
7. N It is absolutely forbidden to introduce chemical additives such as anti freeze or others into the domestic water circuit 3 17 Flue gas discharge Due to its high efficiency and low pollution levels this boiler is considered to be ecological Therefore white smoke may be discharged from the discharge pipe under specific atmospheric and operating conditions There is no cause for alarm as it is only steam which condenses on contact with the outside cold air 3 18 Operating anomalies If the boiler fails to start check that amp The gas supply is open the boiler power supply switch is on the heating temperature control knob 7 is in the position suggested by the symbols the boiler is not in lock out mode Press the button to re start it the room thermostat is set to a higher temperature than that of the room where itis installed and that it is programmed to call for heating at that time If during winter operations there is hot water but no heating check that The room thermostat is set to a higher temperature than that of the room where itis installed and that it is programmed to call for heating at that time any valves installed on the supply and return connections are open open the radiator cocks to purge air CAUTION If after these checks the system is still cold do not attempt any repairs yourself but contact a qualified technician 3 USE
8. d over to the new owners and or installer if the appliance should change hands or be moved for any reason whatsoever The installation setting and modification of the gas appliance must be carried out by qualified technicians in compliance with local and national norms and the instructions in the installation and maintenance manual Flue pipes must not be modified in any way The user in accordance with these instructions must keep the appliance in satisfactory running order and ensure reliable safe operating The user is responsible for employing a qualified technician to carry out maintenance work on the appliance in compliance with local and national norms and the matters stated in the installation and maintenance manual We highly recommend arranging a regular maintenance contract with a qualified technician The manufacturer cannot be held responsible for any damage to people animals or property caused by inadequate maintenance Do not obstruct the ends of the venting pipes The technician will explain the functioning use of the appliance and use of the system to the user The user must be familiar with filling and discharge procedures for the boiler and the control and eventual adjustment of water pressure in the heating circuit The user must be familiar with the procedures for fully optimizing the conservation of energy and avoiding waste of the entire heating system Regularly check the system pressure
9. e C Boiler temperature C No display 3 2 Heating service on technician mi ro NQ F Domestic hot water service on Boiler in lock out mode To reset it press the the lock out occurs frequently contact a professionally qualified Boiler fault Contact a professionally qualified technician Auto purging procedure in progress It will end within 2 minutes Domestic hot water temperature C Heating temperature C button If Lock out code see installation and maintenance manual Error code see installation and maintenance manual Figura 2 Parameters displayed during functioning 3 4 Displays During normal operations the param eters display 1 and the values display 2 see figure 1 remain perma nently on ifthe Energy Saving mode has not be activated The parameters which can be displayed are shown with their meaning in the table shown in figure 2 3 5 Start up procedure Open the gas cock e switch on electric power to the boiler e If the display shows code 21 it means that the polarity has not been observed between phase and neutral e oninitial start up the appliance carries out an auto purging cycle lasting two minutes This is indicated by the appearance of F on the display e wait two minutes until the end of the auto purging cycle e turn knob 7 of figure 1 until it reaches the heating temperature desired Turn knob
10. e held responsible for any accident including those caused by the user any compensation which does not concern boiler parts with recognized manufacturing defects being excluded Court of competent jurisdiction Forli ITALY WARRANTY CERTIFICATE FOR COSMOGAS APPLIANCES Warranty valid 24 months TO BE COMPLETED BY THE INSTALLER The appliance has been installed by qualified technicians in possession of the legally required qualifications in compliance with the instructions contained in this manual on the installation and maintenance manual and follow national and or local standards in force INSTALLER Stamp Date Comments TO BE COMPLETED BY THE SERVICE CENTRE The appliance has been tested and inspected for initial start up purposes by qualified technicians in possession of the legally required qualifications in compliance with the instructions contained in this manual on the installation and maintenance manual and follow national and or local standards in force with the following results SERVICE CENTRE Stamp POSITIVE U necative U Date Comments Service Centre signature User signature y gt snocas COSMOGAS s r l Via L da Vinci 16 47014 MELDOLA FC ITALY info cosmogas com www cosmogas com
11. ers Menu see section 3 6 During functioning display 1 of figure 1 displays the status of the boiler and display 2 see figure 1 shows the 5 value of the parameter The various operating statuses are shown in the table in figure 2 Within the Users Menu see section 3 6 it is possible to check the last lock outs or errors which have occurred In addition to the operating modes the instrument panel provides important information on the current functioning of the boiler via the indicators 3 4 5 and 6 of figure 1 In particular the indicator 3 displays whether the burner is functioning on or whether it is off blinking the indicator 4 displays whether the domestic hot water service is on or off the indicator 6 displays whether a heating service request is active on or nor off 3 USE POSSIBLE DISPLAYS PARAMETER DESCRIPTION AL U p A p Boiler on stand by or on hold no heating or hot water request exists Anti freeze function active Caution Domestic hot water active for more than 120 minutes turn domestic hot water to OFF position in order to reinstate heating Check that there are no leaking taps If the problem persists contact a professionally qualified technician Caution System pressure too low fill system follow section ON DISPLAY 2 figure 1 Boiler temperature C Boiler temperatur
12. lt of two different series of shutdowns L and followed by the number identifying the shutdown The shutdowns identified by L can be re set by pressing If the boiler fails to re start or if it shuts down frequently contact a qualified technician The shutdowns identified by E cannot be re set unless the cause ofthe problem is eliminated In such cases it is necessary to contact a qualified 102322m0_c 80 70 60 50 Supply temperature C 40 30 5 0 5 10 15 20 25 30 Outside temperature C 90 102322m0_d Supply temperature C 10 5 0 5 10 15 20 25 30 Outside temperature C Figure 4 Graphs of the climatic adjustment for high temperature systems 3 technician The alarms shown on the display by means of CH do not block the boiler but alert the user to the fact that a system anomaly is underway E g domestic hot water cock leak In this event if you wish to reinstate the heating function you must turn control knob 11 to zero and eliminate the water leak 3 14 gauge The pressure gauge detail 13 of figure 1 isa device which indicates the pressure ofthe water within the heating circuit Pressure OA Inclination ofthe line Ob Minimum heating temperature Oc Maximum heating temperature br Fix point of the angle fulcr
13. r must stamp the warranty certificate e Always request the intervention of one of our authorized technicians for the initial start up and testing of the appliance a list is enclosed with the instruction manual or can be found in the Yellow Pages under Gas boilers e The technician will collect the warranty certificate and forward it to COSMOGAS 11 4 3 Warranty limits The warranty is invalid if the appliance is not installed by qualified technicians if the appliance is not installed in compliance with COSMOGAS instructions and or those established by national and or local standards in force the running and or maintenance of the system is not carried out in compliance with these instructions and or national and or local standards in force damage to the product has been caused by voltage fluctuations damage to the product has been caused by the use of too hard too acid or over oxygenated water damage to the product has been caused by thermal shock defective chimneys and or flue gas discharge and air intake piping the product has anomalies not dependent on COSMOGAS the boiler has been tampered with due to adaptation work repair work and replacement work using non original arts the repair work has been carried out by unauthorized personnel the warranty certificate is not forwarded to COSMOGAS within 15 days of the date of initial start up COSMOGAS cannot b
14. ressing the RESET key see figure 6 detail B If the lock out occurs frequently contact a professionally qualified technician green light and red light blinking heating pressure anomaly see section 3 2 In order to check the type of lock out corresponding to the light illuminated check the error type on the boiler and refer to the sections LOCK OUTS and ERRORS in the installation manual 4 Warranty 4 1 General warranty conditions COSMOGAS guarantees that all its products are free from manufacturing and material defects for 24 months from the testing and inspection date of the first start up Within the afore mentioned period COSMOGAS will repair or replace any manufactured parts found to be defective excluding any defects caused by normal wear and tear during operations Any transport and handling costs for replaced parts are at the customer s expense The warranty does not cover compensation for any type of damage which may occur to people or property The faulty materials replaced under warranty are the property of COSMOGAS and must be returned free of charge to our factory within 30 days of their replacement otherwise COSMOGAS will issue an invoice covering the cost of the replaced material All COSMOGAS products are subject to reserved ownership agreement until the purchased appliance has been fully paid for 4 2 Instructions for filling in the warranty card e The installe
15. s Only display The regulation is carried out using the control 7 as per figure 1 lt can adopt values ranging between 10 C and 10 C Only display It can adopt values ranging between 20 C and 80 C Only display It can adopt values ranging between 40 C and 70 C Only display It can adopt the values indicated in the installation and maintenance manual Only display It can adopt the values indicated in the L Display of last block which occurred Figure 3 Parameters within the Users Menu 3 7 Summer mode To disable the heating functions for a prolonged period leaving only the domestic hot water function switch the heating temperature to minimum until the wording OFF appears by turning knob 7 of figure 1 3 8 Winter mode In Winter mode by means of the pump the boiler sends the water to the system at the temperature set using knob 7 of figure 1 When the temperature inside the boiler reaches the temperature set the burner starts to modulate the flame so as to reduce the output to a minimum If the temperature rises further the burner shuts down Simultaneously the pump which sends the water to the system is switched on and off by the room thermostat This can be noted because indicator 6 of figure 1 switches on and off in correspondence with the on and off of the pump At first the pump may make a noise This is due to the presence of residual air in the h
16. setting shutdowns and for scrolling the list of parameters 10 Key for increasing parameter values 11 Domestic hot water temperature and start control 12 On off power switch 13 Heating circuit pressure gauge Figure 1 Instrument panel 3 1 Check that the F L must disappear cocks are open e close the filling cock see figure 5 turning it in a clockwise direction The gas cock must be open any supply and return valves must be CAUTION During normal open any hot and cold water valves mustbe operations the filling cock see open figure 5 must always remain in the closed position 3 2 Check heating system pressure If the pressure inside the heating circuit falls below 0 5 bar the appliance switches off and the display 1 as per figure 1 shows F l L to indicate that it is necessary to restore the correct pressure Proceed as follows e open the filling cock see figure 5 turning itin a counter clockwise direction e check the pressure on the pressure gauge 13 of figure 1 it must reach a pressure of 1 5 bar and the indication If with time the pressure drops restore the correct value This operation may have to be repeated several times during the first month of operations to remove any gas bubbles present 3 3 Overview The boiler is pre set with standard parameters However it is possible to make a number of changes or consult the parameters by means of using the Us
17. ty card a men een 11 4 3 E NA UE 11 2 1 GENERAL SAFETY WARNINGS If you smell gas e Close the gas cock e Ventilate the room e Do not use any electrical appliances telephone included e Immediately call a qualified technician or the gas board from another room or building If you cannot contact them call the Fire Brigade If you smell product of the combustion e Switch off the appliance e Ventilate the room e Call a qualified technician In the presence of water leaks e Switch off the appliance e Close the central water mains cock e Call a qualified technician Explosive or easily inflammable products Do not store or use explosive or easily inflammable materials such as paper solvents paints etc in the same room as the boiler In the event of a breakdown In the event of breakdown and or malfunctioning of the appliance disconnect it do not attempt to repair it or intervene in any way whatsoever Contact a qualified technician Qualified technicians Qualified technicians are personnel with specific technical training in the heating system component sector and with regards to domestic hot water production for public use fuel gas systems and electrical systems These individuals must have the legally required qualifications This booklet forms an integral and essential part of the product and must be carefully kept by the user for any future consultation Ensure that this booklet is hande
18. um of the line b parallel shift of the line possible using control 7 of figure 1 3 USE 110318m0 Figure 5 Filling cock 3 15 Shutdown procedure If the boiler is to be shutdown for a relatively short time and there is no risk of freezing simply disconnect from the mains the switch 12 of figure 1 If there is a risk of freezing during your absence leave the boiler connected to the mains and the gas open and carry out the procedure for the shutdown of the services turning both knobs 7 and 11 of figure 1 to OFF Now the two services of the boiler are switched off On reaching a boiler temperature of 7 C the heating pump automatically switches on If the temperature falls further to under 2 C the burner will also switch on so as to protect the system and the boiler itself from the effects of freezing weather conditions If the boiler is not used for along period of time we suggest emptying it Contact a professionally qualified technician 3 16 Precautions against freezing If you leave the dwelling disconnect the gas and electricity supply since the appliance is not protected against freezing If it is switched off and runs the risk of being exposed to temperatures below zero it is necessary to empty the appliance Contact a professionally qualified technician CAUTIO
19. without integrated pump B Boiler which can be combined with BWR C series storage tank C Boiler for only heating with integrated pump P Boiler with exchanger secondary for D H W to plates 0834 Boiler for low temperature central heating systems 24 Boiler with maximum input heat of 25 kW 34 Boiler with maximum input heat of 34 8 kW Gas fired condensing hot water boiler with sealed combustion chamber and pre mix burner for heating and domestic hot water production 2 3 Manufacturer COSMOGAS srl Via L da Vinci 16 47014 Meldola FC ITALY Tel 39 0543 498383 Fax 39 0543 498393 www cosmogas com info cosmogas com 4 2 4 Key to symbols used General danger Failure to observe this warning may compromise the smooth running of the appliance or cause serious damage to individuals animals or property e Operation symbol 5 Important indication symbol 2 5 Warranty See section 4 3 USE 115310m0 1 Parameter display 2 Display of values adopted by parameters 3 Burner status indicator On burner on flashing burner off 4 Domestic hot water service status indicator On d h w on Off d h w off 5 Indicator of decimal of value displayed 6 Heating service status indicator On heating on Off heating off 7 Heating temperature and start control 8 Key for decreasing parameter values 9 Key for re
20. ydraulic system which will soon disappear on its own We recommend keeping the temperature set using knob 7 at the point shown by the symbols on the panel for a rational use of the boiler If it is a particularly cold Winter and it is difficult to maintain the desired temperature turn knob 7 to gradually higher values 3 9 Adjusting the heating temperature To set the heating temperature turn control knob 7 of figure 1 As soon as the knob is touched will blink on display and the temperature being set will appear on display 2 As a rule it is sufficient to turn control knob 7 to the half way position If it is a particularly cold Winter progressively increase the temperature by rotating control 7 installation and maintenance manual 3 10 Adjusting the heating temperature with climatic adjustment The adjustment of the heating temperature in the event that climatic adjustment has been set is carried out by turning control 7 as per figure 1 As soon as the control is touched display 1 show a flashing 5 and display 2 shows the value in C of translation on a parallel with the adjustment curve see figure 4 detail b As a rule it is sufficient to adjust control 7 to the half way position If the Winter is particularly rigid progressively increase the temperature using control 7 until the temperature inside the rooms is satisfactory

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