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Installation- and User Manual

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1. 115 FO FS n Z j lt 81 47 Mc of 37 LY E AL CNN ji Aa sd TIT HL 1 LICET Gn _ 20702 3 02 2 22 QQA Description Manufacturer Coopraarticlecode 1 Interior of 3 way valve v d Wetering 21 22 7 10 11 12 12 13 14 15 16 17 18 19 28 Return connection from external cylinder NININININ N NIOJ Go Atmos Heating Systems Installation and user manual EN FMT 1 4 Diagrams 1 4 1 Functional flow diagram FLOW DISPLAY RETURN ALARM CONTACT DHW INLET MAXIMAL THERMOSTAT OPTIONAL TANK THERMOSTAT EXTERNAL TANK PUMP 230 VAC FLUE GAS OUTSIDE
2. 24 0 2 2 ados a 24 6 2 3 UNNI 1 Tt 24 6 2 4 pressure monitoring e sn e a DNI MEER EM MI EN 25 6 2 5 Difference in temperature lssessssssssssssssesseseeeene nennen enhn nsna nn sna sese is isea arises assesses a sese rsen as 25 026 Maximum temperature limitation ook od eese etna dds ada e XE CAR cgo see OE sede 25 6 2 7 Flue gas temperature 25 020 SENSOR c 25 O2 9 EIOSLDIOIGCIOLISms5o hun e ADAC IA Id AU Adr 25 022 10 Monitoring Tan uiu dope ont A a 25 plug prole ON UII D M MI I e 25 CHAPTER 7 MAINTENANCE 26 7 1 PAPI Al MAINS IN AINC Cs 26 7 1 1 Checking the CO percentage on full lOAd ccc cece cece 26 7 1 2 Measuring the load on the unit 26 7 1 3 Checking the condensation water 26 J T IONISATION IODC I C RC 26 es
3. cole suus eb 23 952 ko Sloe heardemand m n 23 52 4 Endobstore demand aste a EM Cu obi ic oe 23 5 2 2 Boiler with external HWS CyliINdel ccccccccsseeccceseecceeececceuececseueeecsuueecseuseeeseeeessuseeesseecesseueeessaeeessaees 23 5 2 2 1 HWS cylinder with external sensor without modulating space 23 5 2 2 2 HWS cylinder with external sensor with modulating space 23 5 2 3 HWS cylinder with thermostat without modulating space 23 5 2 4 HWS cylinder with thermostat with modulating space 23 CHAPTER 6 BURNER STATES and MONITORING 24 6 1 Burner stales coups dote das ue dE PE Lau cee ie La EM D LE 24 HIROSE Sl eT TENENTE 24 6 12 P lding P RCS dE nd eno tesa ieee onu beate AS 24 e UTE 24 os Ha ME Operio Pee a a 24 oO iPOSLCVelllallODl ta x 24 EE T TEN 24 6 2 Meet 24 6 2 1 Monitoring the pump
4. The type plate which specifies the type of gas etc to be used for which the unit is set is on the left side of the unit The unit is fixed to the wall with the aid of a separately delivered assembly bracket or rear cabinet 1 6 1 N30K NI 4 Zn WS HH AME LH YS High efficiency Combi boiler for central heating with a built in tank 3 litres for the supply of tap water for shower and bath etc 10 Installation and user manual EN FMT 1 6 2 N15B N30B BHL ELLAS High efficiency boiler for central heating suited for the connection of an external storage vessel for the indirect supply of tap water for shower and bath etc 1 6 3 N15C N30C High efficiency boiler for central heating only betwen ean BRA LEA YS 1 6 4 Difference between type15 and type 30 N00S020003 Burner assy N00S020000 Burner assy N00S020016 N00S020010 Venturi Venturi Atmos Heating Systems 1 7 Conditions of delivery Atmos Heating Systems Ltd supplies its products according to the general conditions of delivery for the metal and electro technical industry Registered with the Clerk of the District Court at Den Haag on 19 October 1998 under no 119 1998 1 8 Configuration of flue tube and air supply See figure below for an overview of possible configurations The units are
5. 7 1 2 Measuring the load on the unit A load drop can be the consequence of a clogged flue gas channel or a clogged air intake channel Check whether this is the case by measuring the load on the unit First set the central heating capacity P to 10096 in the menu Let on the unit burn on chimney sweeper function at full load Measure the gas consumption If the ascertained deviation in load is no more than 1595 of the nominal value the flue gases can be sufficiently exhausted and there is no clogging At the end of the check reset the central heating capacity P in the menu to its customer specific value 7 1 3 Checking the condensation water drain There is an opening for this purpose on the top of the vapour tray First remove the rubber sealing plug rinse the vapour tray and drain with clean tap water When no more impurities are removed the vapour tray is clean Also clean the trap 26 Installation and user manual EN FMT 7 1 4 lonisation probe The lonisation poe is a part that wears An insulating layer ro can be formed in the flame at high temperature This layer can be removed with fine sandpaper Do not clean the ionisation probe with coarse sandpaper because grooves in the surface of the pin will accelerate the formation of the layer Full load Correct ionisation current between 6 uA DC to 13 pA DC Low load Correct ionisation current between DC to 13 pA DC Unplug the plug of t
6. THREE WAY VALVE O 230 VAC WATER PRESSURE I GAS VALVE 230 VRAC ROOM THERMOSTAT 24VAC 0O LL EbV THERMOSTAT 2 OPENTHERM O COMBUSTION FAN THERMOSTAT ROOM THERMOSTAT oC 230VAC 2 IONISATION GLOW IGNITER L mos N BURNER BURNER is Atmos Heating Systems Installation and user manual EN FMT 1 4 2 Wiring diagram F s F 1 T Y SATA a Li i a oa a D ama Im a qe wd a 552 a X18 X19 Atmos Heating Systems 1 5 Operation Saj sm A fan sucks the air required for the combustion through the air feed canal A Because the combustion air in the venturi sucks an under pressure the correct amount of gas is automatically added to the combustion air The flammable gas air mixture thus obtained is fed to the burner via a mixing chamber to be ignited at the surface of the burner by a ceramic glow plug The hot combustion gases are efficiently fed through the heat exchanger where they give their heat to the water The flue gases are fed outside through the flue tube F into a flue tube exhaust canal The condensation water H2O thus obtained is discharged into the sewer 1 6 Boiler types The Atmos boiler is a heating unit with compact dimensions and a very high efficiency with versions for domestic use for central heating or in combination with domestic hot water HWS
7. This lock is removed when the flow temperature goes below 65 C and the minimum locking time 30 s has elapsed If this lock occurs more than three times within a heat demand the regulation locks with 1 Installation and user manual FMT If the difference between flow and return temperatures becomes less than 5 C during burning the regulation locks Once per hour if there is no heat demand the difference between flow and return temperatures must be less than 5 C If this is not the case the pump will be switched on and a check will be made for a maximum of 10 minutes to see whether the temperature difference goes to within x 5 C 6 2 9 Frost protection When the flow temperature goes below 8 C if there is no heat demand the pump goes over to the central heating circuit and the display shows If the flow temperature goes below 3 C the burner goes to low load When the return temperature goes above 15 C the frost protection is finished When an external sensor is connected and the outside temperature goes below 4 C the pump goes to central heating This situation is removed at an outside temperature of 2 C 6 2 10 Monitoring the fan speed When the measured fan speed deviates from the desired speed this is masked in operation for 10 seconds After these 10 seconds the burner will go out of operation and the post ventilation program will be performed When the measured fan speed
8. dioe ous CI AMD Lu n hui Ded 18 4 9 ione Erg E TT 18 0 Changing Over tO LPG Gas mp cX em 18 A Oey Ul on Propane den beu a iare todas as ea oues 18 4 11 DISDIG cibus te cts DuC iu de ac oA dece oro 19 4 11 1 Normal operation permanent status 1 19 4 11 2 blocking operation permanent status 20 4 11 3 Lockout lashing status oeste hoo E Pra 20 4 12 Menu STUC i TT RUMP 21 CHAPTER 5 TEMPERATURE REGULATIONS 22 5 1 SS PAT ea VS RUNG ec ele 22 5 1 1 Central heating temperature regulation with on off thermostat without outside temperature sensor 22 5 1 2 Central heating temperature regulation with on off thermostat with outside temperature sensor 22 5 1 3 Central heating temperature regulation with modulating thermostat with or without outside tempsensor 22 5 2 AWS 23 321 COM MC IRL O 23 52 0 d HS Ce MN t ie Oe eas achicha a 23 521 2 Endo hotwater heatdemand
9. If the flow temperature goes above 105 C when the burner is on the regulation will lock with a flashing H Only a reset will remove the interlock If the flow or return temperature goes above 97 C the regulation will lock 6 2 7 Flue gas temperature limitation If after switching the supply voltage on a flue gas temperature of greater than 25 C is measured the flue gas sensor is present If a temperature below 25 C is measured afterwards the regulation locks with the message flue gas sensor interruption 4 If the flue gas temperature goes above 80 C the burner is limited to low load If the flue gas temperature goes above 90 C the regulation locks with A If the flue gas temperature goes below 70 C both locks are removed If the flue gas temperature goes above 95 C the regulation locks with A 6 2 8 Flow sensor protection The difference between flow and return temperatures must be less than 20 C before each burner start The difference between flow and return temperatures must be raised by 3 C within 10 seconds after each burner start However if the difference is less than the previous temperature difference the burner is started again after 10 seconds During this time the capacity supplied by one of the hot water Combi boilers during tapping is the desired capacity and in all other cases the initial capacity If the difference is not detected the regulation locks with a P
10. Installation and User Manual Combi unit central heating hot water 30K Central heating unit suited for external cylinder 15B Central heating unit suited for external cylinder 30B Central heating UNit ccc cece cece cece ee enna eee eeenaes 15C Central heating 30C Wall hung fan flue room sealed gas boilers MV030204 manual Atmos EN 15 30 E000129012 w pump connection E000129012 Atmos Heating Systems Installation and user manual EN FMT CONTENTS CHAPTER 1 5 dede Technical data N15B N15C N30K N30B 30 nnne nnn nnn nnne nnn nnn nnn 5 1 2 ce EE E EET 6 1 3 UNCCOMPONENIS aro a a 7 1 4 AUN m Pcr 8 1 4 1 PUNCHORAl etn 8 VokapelungsplaN std sd AU d eine 9 1 5 Operaatio Diderot diede ui M LL Nd UL M Mc C MeL EE 10 1 6 PIOUS TAY OSS oc DC 10 1 6 1 ce ee een 10 KOZ 0 10 oro E INS INGO 10 1 6 4 Difference between type 15 and type 0 10 1 7 Conditions of deliVGbysisscesuxtutee uut epu Id uncut det etae o ots e SI Mn cesa E def opui lode rre 11 1 8 Configuration o
11. Os 14 2 3 2 Central heating water 14 2 3 8 HWS connetionto the enne nnn nnne nnn nnn nnne nns 14 2 3 4 Hot water connection to boiler with external storage HWS 14 2 4 Seal the Walters de ei 14 2 5 MifzleejniigNeo gn zelo 14 2 6 ISCINICIY CORNMG CHO e L 14 CHAPTER 3 SUSPENDING THE UNTI 15 3 1 15 IN WR estar esac 15 3 2 SUIS SMS I OM PR E eis ET TO 15 3 3 Fitting the flue tube and air 15 3 3 1 Connenting the eccentric flue and air supply 2 pipe 15 3 3 2 Connecting the concentric flue tube and air supply 80 125 mm 15 3 3 8 Connecting the concentric flue tube and air supply 60 100 mm 15 3 4 Condensation water drain overpressure protection on 15 3 5 COMING COM DOCK CM IH 15 3 5 1 On off room thermostat if applic
12. 1 2 Dimensional sketch Ko KIA l ru gt i i 1 O N 7 N E J 07 l S D Q N Y AS p di Y h i 3 f LI EET i OPTIMAT compact OPTIMAT compact T mu mm hse li 1 _ O u 24 T C pp a a 5 There must be sufficient space at the top and bottom to be able to suspend the unit and to be able to connect all feed and drain pipes Normally roughly 300 mm is required It is recommended to leave a free space of 150 mm on the left for servicing reasons and 50 mm on the right of the unit The front of the unit must be easily accessible for servicing at all times Atmos Heating Systems Installation and user manual EN FMT 1 3 Unit components eO 20
13. 11 4 Gas air mixture is not correctly adjusted see Chapter 4 Adjustment full load and low load 8 11 5 Check glow plug The 230 volt glow plug is in order if the measured resistance at room temperature is about 1 0 1 4 kOhm e remove the connection of the glow plug 230 V e connect a multimeter e measure the resistance Replacing the The glow plug is a resistance through which current is fed As a result of the high temperature of the glow plug the burner can be ignited This makes the glow plug a part that wears The average life of the glow plug is estimated at 8 years depending on the number of starts and on the variation of the mains voltage e remove plug from glow plug 230 V high voltage e remove glow plug from cover of unit e replace glow plug 8 11 6 Check ionisation current Direct measurement of the ionisation current using a multimeter uA DC When the unit burns on chimney sweeper function the ionisation current can be read directly on the display 36922 02 e lonisation current in full load is correct between 6 pA DC to 13 pA DC e lonisation current in low load is right 3uA DC to 13 UA DC Insulating layer With high temperature flame an insulating layer can be formed on the probe This layer can be simply removed with fine sandpaper However coarse grooves in the surface of the pin will accelerate new formation of the layer Atmos Heating Systems Installation a
14. 5 seconds the Manager locks If the glow plug counter is too high too many Starts the regulation blocks the burner demand If there is burner demand and no blocking the system will go over to purging preheating 6 1 2 Purging Prestart Fan off Gas valve off Igniter off lonisation off The fan is switched on at the desired purging speed The glow plug is switched on at the same time as the fan After a few seconds the fan goes from purging speed to the faster ignition speed If a false flame signal is detected during purging the regulation locks If this lock is present for more than 5 seconds the regulation locks with 8 6 1 3 Ignition Fan on Gas valve on Igniter on off lonisation off on The fan is running at the ignition speed The gas valve is activated The Glow plug will be switched off as soon as an ionisation signal is measured If there is no ionisation at the end of the safety time a new attempt at ignition will be made if this was not the last permitted attempt at starting Here there will first be post ignition failure ventilation see 8 5 If there is ionisation at the end of the safety time the system continues with operation 6 1 4 Operation Fan off Gas valve off Igniter off lonisation on The fan is running at the required modulation speed If the ionisation fails a restart is made providing this is not the third time within the burner demand If this is the third time th
15. Heating Systems Display Open the cover in front of the display to be able to read the codes 36922 02 The display consists of three 7 segment LED s three decimal points and three pushbuttons The left 7 segment LED shows the status or the menu step The two right 7 segment LED s show the temperature the pressure or the parameter value Furthermore the display has three buttons e Set Reset button e button button Reset button This is to rest the unit should it be locked by a malfunction The user must use button The installer should only be called when the same malfunction occurs repeatedly Abbreviated display indications O No heat demang stand by P C Central heating heat demand low load water pressure Central heating pump postrunning 4 Heat HWS burner off d HeatHWS bumeron b Heat external storage vessel burner off b storage vessel bumeron _ _ o Frost protection burner off o Frost protection bumeron Display of blocks permanent 14 Flow sensor interrupted 4 Flow sensor short circuited 2 Return sensor interrupted 2 Return sensor short circuited 4 Flue gas sensor interrupted water sensor interrupted 6 Cold water sensor short circuited Flue gas temperature gt 80 C IH sensor gt 105 C internal blocking fault E Pump test Start fu
16. If the difference between the active and the static pump pressure is less than 0 05 bar the regulation locks and goes to the pump test program If the difference is more than 0 54 bar the regulation locks and goes to the pump test program If the difference is between 0 05 and 0 54 bar the ignition time starts When the pump is switched to the low state during ignition the pressure increase monitoring is switched off After the ignition time the flow monitoring is realised by the flow return sensor If the temperature rise is large enough the pump modulation is released If the pressure changes afterwards by more than x 0 1 bar x 0 27 bar with changing pump speed within 4 seconds the regulation will block and switch over to the pump test program With switching over from central heating to hot water during operation the pressure fluctuation detection is defeated for 16 seconds 6 2 2 Pump program If the temperature difference between flow and return is greater than 30 C the pump switches to high speed When the temperature difference drops below 10 C again the pump switches back to a low speed If the pump is on for a HWS demand with a Combi unit or for cylinder heat demand the pump is continuously at high 6 2 3 Pump test program The pump is switched off for 15 seconds and high for 15 seconds The display shows The initial pressure is measured before the pump is switched on The test pressure is measur
17. Mounting the assembly bracket To mount the assembly bracket on a brick wall of sufficient thickness use the screw plugs that are supplied When you have determined the place of assembly proceed as follows 1 2 Draw the position of the hole 1 in the strap of the assembly bracket Use a masonry drill of 8 mm diameter to drill a hole with a sufficient depth in the wall Keep the hole 1 in the assembly bracket in front of the hole in the wall and fit one of the screws supplied through the assembly bracket in the hole Align the assembly bracket with the aid of a spirit level Use a masonry drill of 8 mm diameter to drill holes with a sufficient depth in the wall through the two bottom holes 2 in the assembly bracket Fit two of the screws supplied in the bottom holes When using assembly brackets with ac lamping plate for eccentric flue tube and air feed connection Use a masonry drill of 8 mm diameter to drill a hole with a sufficient depth in the wall through the hole in the clamping plate and fit a nail plug in this hole Fitthe clamping plate at right angles 8 Fix the assembly bracket firmly by tightening all screws 13 Atmos Heating Systems 2 3 Water and gas connections 1 7 cold water pipe 2 hot water pipe 3 central heating flow pipe 4 central heating return pipe 5 7 gas connection 2 3 1 Gas connection Connect the gas pipe to connection 5 In
18. a temperature of 70 C for several seconds 12 Installation and user manual EN FMT 1 13 2 Heating of HWS boiler with external storage cylinder When one of the hot water taps is opened the HWS stored in the storage HWS cylinder will immediately start to flow While water is being taken from the storage HWS cylinder the unit will start to heat the storage HWS cylinder During this period the central heating operation will be interrupted if applicable 1 14 Standards Guidelines With the installation of the unit all local regulations must be followed where applicable including the provisions of the following standards and guidelines e Building Regulations Regulations for natural gas installations Regulations for LPG if applicable Guidelines for existing gas installations Safety requirements for central heating installations Safety provisions for low voltage installations General regulations for drinking water installations Water authority regulations Ventilation in dwellings Supply of combustion air and exhaust House sewerage in homes and dwellings Fire Brigade regulations Factory Act regulations Regulations applicable to HWS water Ask for the locally applicable regulations at the local water company as they are different in some areas 1 15 General safety regulations The installation may only be performed by a recognised installer Take note that internal parts of the unit can carry a dangerous electrical volt
19. a fairly complicated item that is fitted with safety devices which prevent a dangerous situation There can be many reasons why the central heating is not working Electricity and gas Is the connection of the green block in the green socket correct connected Is the main switch on the unit in the right position Or is the circuit to which the boiler is connected out of operation because the fuse has blown or the earth leakage switch has activated 30 Installation and user manual EN FMT Is there an unusual interruption in the gas supply Check by seeing whether a gas cooker in the kitchen is working If it is now working call the gas company The gas flow can also be blocked because the gas filter of the boiler is contaminated this is a problem for the service man The unit also lets the pump regularly run outside the heating season to prevent it from sticking If the mains supply outside is interrupted several times during the heating season the pump can stick Solution turn the shaft of the pump a few times by hand screwdriver Water and air If the water pressure in the installation falls below a minimum level the burner will be off Solution Top up with water It is possible to read the water pressure directly from the display Reading Press the button in for a minimum of 5 seconds From the menu back to normal operation Press the button in briefly or automatically after about 5 minutes During fil
20. approved for application on the drain systems B23 C13 x C33 x C43 x C53 C63 x C83 x Preferably use flue tube materials roof ducts and exterior wall ducts with a quality mark With plastic drain materials use a unit with a flue gas temperature sensor NUN z g E p EN L Installation and user manual EN FMT 1 9 Environmental conditions The area in which the unit is installed must satisfy the applicable regulations The wall must be able to bear the weight of the unit loaded weight approx 40 kg If you use a different assembly surface than a bricky wall of sufficient thickness you must select suitable fixtures yourself and properly install the unit The unit may not be fitted in a chemically aggressive environment The unit with air feed and flue gas exhaust satisfies the requirements of protection class IP44 and may therefore be installed in a wet area Although the unit is fitted with an internal frost protection it may not be exposed to extremely low ambient temperatures lower than 10 1 10 Permitted flue resistance The total resistance of the flue tube and air supply together may not be greater than 185 Pa Indication for the resistance
21. be held liable for any damage arising from specifications that deviate from the standard version of the unit delivered to you This document has been compiled with all possible care However the manufacturer cannot be held liable for any mistakes in this document or for any consequences Take the time to read this document carefully before installing or using the unit Always keep this document near the unit Atmos Heating Systems Ltd West March London Road NN14SA Daventry Tel Fax 32
22. circuited ES Faulty wiring Flue gas temperature gt 80 C The burner is reduced to low load Flow sensor gt 105 C while the burner was off Reset the supply power by the on off switch Check the central heating system pressure Pump test Start function blocking Water pressure Seized or faulty pump or faulty pump wiring Faulty pressure sensor or wiring Burner Manager fault Reset the supply power by the on off switch 4 11 3 Lock out flashing status indication In case of lock out the display gives a flashing indication and the operation can be restored by pressing the reset button placed on the control panel Boiler does not pass start temperature test Check system water flow second system pump Too many restarts 2 Internal regulation fault A D conversion fault i external sensor fault Too many restarts 7 Flame detected with closed gas vave Cneckgasvae _ Gas valve connection Check short out wire on print board terminal 20 Atmos Heating Systems Installation and user manual EN FMT 4 12 Menu structure By pressing the set reset button in for longer than 5 seconds you go to the mode menu To change the subsequent Letter parameter the user must press the Set Reset button To change the Range setting in the parameter the user must press the or the button max set point of central heating 25 C 90 82 C D Central heating post running t
23. deviates from the desired speed during pre or post ventilation the regulation locks If this lock lasts for longer than 60 seconds the regulation locks with 5 When the measured fan speed goes above a maximum value during the rest state the regulation locks If this lock lasts for longer than 60 seconds the regulation locks with 5 6 2 11 Glow plug protection The glow plug protection counter is incremented at each ignition This counter is decremented per minute If this counter is too high the burner demand is blocked 25 Atmos Heating Systems CHAPTER 7 MAINTENANCE High voltage The wiring of the pump the three way valve fan and N wiring of the gas block can be under a voltage of 230 VAC Serial connection A PC or Laptop can be connected for an extensive diagnosis and display of the functionality The necessary cable which contains an electrical isolation and software can be ordered as options 7 1 ANNUAL MAINTENANCE After the first year have a recognised installer or maintenance man inspect the unit He can ascertain the maintenance deadline on the basis of the inspection and circumstances A certified SCIOS installer should inspect the unit annually 7 1 1 Checking the percentage on full load The nominal value for natural gas at full load is 8 8 CO2 The unit does not need to be cleaned if the measured CO2 percentage at full load is within 8 8 CO and 9 4
24. open coils defective lseesssssessssssseeeeeee nennen nnne nnns nnn nnns 28 8 11 4 Gas Air mixture is not correctly adjusted ssssssssssssssessseseeeeeen nennen ener nnne nnn nnns 28 OO Gao ore Molle T 28 9 11 6 Check IONISATION CUNEN 28 8 11 7 inspection cleaning replacement of the ionisation 29 User manual 30 rl e c eas eee css ee ne abel 30 Cleaning I8 MEE e a Mer 30 AY S Mt COLE S 30 Brrrr the central heating is not 30 EISCHICIY Eit Fair TP 30 NA ALE sel E oes ten cui 30 erige 30 Rice r 31 FRESE DUTO MET 31 Abbreviated display INGICALIONS 2 coss dead M E ee 31 Atmos Heating Systems Installation and user manual EN FMT CHAPTER 1 1 1 Technical data N15B N15C N30K N30B N30C Boiler type N15B N15C N30K N3
25. temperature the pressure or the parameter value C Set Reset D Status display E button 4 11 1 Normal operation permanent status indication The Normal operation is to indicate the burner action Initialisation after restoration of supply power O o RN Se OOOO Po 7 C flashing Chimney function temp display max min ionisation 19 Atmos Heating Systems Installation and user manual EN FMT 4 11 2 Blocking operation permanent status indication The burner stopped burning due to an incorrect situation The display gives a permanent indication not flashing and the operation can be restored by switching it off and on volatile block neutralen fn Power supply line not correctly connected Faulty sensor Flow sensor short circuit M Faulty wiring U code mE Faulty flow sensor 1 Flow sensor open circuit Wiring interrupted or not correctly connected l Faulty return sensor 2 Return sensor open circuit MEUM Wiring interrupted or not correctly connected E Faulty return sensor Return sensor short circuited Faulty wiring Faulty gas sensor Flue gas sensor open circuit NOU Wiring interrupted or not correctly connected Faulty internal tank sensor Cold water sensor open circuit mE Wiring interrupted or not correctly connected ma Faulty internal tank sensor Cold water sensor short
26. than the desired HWS cylinder temperature With HWS cylinder heat demand the pump state is high 5 2 3 HWS cylinder with thermostat without modulating space unit There is HWS cylinder heat demand when the HWS cylinder thermostat is closed The unit switches the heating of the HWS cylinder off when the return sensor has reached the desired final temperature of the HWS cylinder There is burner demand when the flow temperature is lower than 85 C and the return temperature is lower than the desired HWS cylinder temperature With HWS cylinder heat demand the pump state is high 5 2 4 HWS cylinder with thermostat with modulating space unit The modulating thermostat will generate a desired hot water temperature value There is heat demand when the HWS cylinder thermostat is closed The unit switches the heating of the HWS cylinder off when the return sensor has reached the desired final temperature of the HWS cylinder There is burner demand when the flow temperature is lower than 85 C and the return temperature is lower than the desired HWS cylinder temperature With HWS cylinder heat demand the pump state is high 23 Atmos Heating Systems CHAPTER 6 BURNER STATES and MONITORING 6 1 Burner states 6 1 1 Rest state Fan off Gas valve off Igniter off lonisation off During the rest state a check is made to see if there is burner demand If a false flame signal is detected during the rest state for more than
27. values given in table below apply to a flow rate of 40 m hour 98mm oom Bend 90 R 0 5 D 15 0 Pa Roof duct concentric 20 0 Pa 300 Pa 1 25 m 1 11 Heating of central heating water all models If the room thermostat or space unit indicates that heat is required for the central heating the unit will heat the central heating water as necessary The power supplied is automatically adapted to the heat required and is also continuously variably adapted to the heat demand with the use of an on off thermostat When the thermostat indicates that the desired temperature has been reached the central heating water is no longer heated The central heating pump will continue to run for a previously set time to distribute the heat evenly over the heating installation A differential bypass valve must be installed on plants where it may happen that various radiators are simultaneously excluded from the circuit because of closure of control or zone valves The by pass valve must be mounted in the installation between the flow and the return provided that flow direction indicated by arrow is respected To adjust the by pass valve rotate knob of the graduated scale on setting 2 5 3 0 This value corresponds to the meters of pump head m Lock the screw on the groove knob 11 Atmos Heating Systems 1 12 Pump and hydraulic resistance The pump characteristic and the resistance graph of the unit are given below 0
28. 0B N30C Gas type natural natural LPGgas natural LPG gas gas G20 gas G25 G30 G31 gas G20 gas G25 G30 G31 Electrical data Mains voltage Frequency 230 V 50 Hz Power consumption max 136 W Thermostat voltage Width Weight Nominal gas pressure 20 25 37 50 20 25 37 50 Heat input CH gross 4 3 15 8 kW 8 0 27 2 kW boost for HWS 219 1 kW Heat input CH net 3 9 14 2 kW 7 2 24 5 kW boost for HWS 17 2 kW Nominal output CH at 80 60 C 3 8 14 0 kW 7 1 24 2 kW boost for HWS 217 0 kW boost for HWS 27 6 kW Nominal output CH at 50 30 C 4 2 15 3 kW 7 9 25 9 kW boost for HWS 18 5 kW boost for HWS 32 0 kW Eficiency at 80 60 C net Efficiency at 50 30 net Emission value Co 0 NOx 08 03 Ip chimney Air feed and flue tube together 185 Pa resistance Ga CH Connections flow and return 15 mm with group of taps 20 mm Gas technical data Cold water return to external 15 mm cylinder Hot water flow from external 15 mm cylinder Air feed and fiue tube system Boiler heat exchanger HWShea Waercotens O3Msupy3l exchanger custom water temperature ec intemal cvinder custom water pressure sw Sound level Pump high 40 dB A 30 dB A Certification CE Identification number CE0063 AT3070 Atmos Heating Systems Installation and user manual EN FMT
29. IT Before unpacking the unit check whether the type of gas to be used corresponds with the specification on the packing If you have any questions contact your supplier To prevent back injury take account of the fact that the weight of the unit is roughly 35 kg 3 2 Suspension Place an O ring in the middle of each of the connections present 1 to 5 Remove the caps from the pipes of the unit Keep the unit straight against the wall at about 5 cm above the site of the mounted assembly bracket or the assembly cabinet Press the unit into the guide and let it drop carefully so that the hook on the suspension bracket falls into the opening at the rear of the unit and the pins at the bottom of the unit fall in the corresponding openings in the suspension bracket Here the connection pipes of the unit fall over the connection points of the suspension bracket Firmly tighten the union nuts of each of the connections present 1 to 5 with the aid of a spanner 3 3 Fitting the flue tube and air supply 3 3 1 Connecting the eccentric flue and air supply 2 pipe system When the flue tube and air supply are connected eccentrically proceed as follows 1 Fit the flue tube in the opening in the suspension bracket 2 Let the pipe protrude 30 35 mm under the clamping plate Slide the sliding piece 1 upwards over the flue tube 3 Fit the air supply in the opening in the su
30. Pressure e AN EHI 0 200 400 600 800 1000 1200 1400 1600 1800 2000 Flow litres hour If set on automatic function the electronics switches the speed of the pump to high or low depending on the temperature demand Dt 30 C the pump runs high speed 2200 rpm e Dt 10 the pump runs low speed 1750 rpm Dt Setpoint temperature deducted with the actual Flow temperature 1 13 HWS 1 13 1 Heating of hot water Combi boiler When one of the hot water taps is opened the unit will automatically start to heat the hot water With a view of the comfort of the user the central heating operation will be interrupted if applicable Flow 831 Tork 313 Fan speed 4708 Pure 0 Fiowmnean if Dus rims Opened m r Retan B Races 00 ire J ede 00 0n r E Ir a Tap 132 The final hot water temperature that is reached depends the temperature of the cold inlet water the amount of HWS water that is used and the HWS set temperature For the standard HWS temperature setting of 60 C the following applies with 10 C cold water supply With 3 5 l min kitchen function the final temperature is 64 C With 7 5 l min shower function the final temperature is 60 C With 12 5 l min bath function the final temperature is 45C On initial HWS demand water can flow out of the tap at
31. Water pressi E UU e 26 CHAPTER 8 MALFUNCTIONS 27 8 1 MIEL LLL ILL 27 8 2 No signalon TG OCIS DIAY c 27 8 3 Fault code U d or U O alternating U with a status code will appear on the display 27 8 4 Unit does not respond to central heating heat 27 8 5 Unit does not respond to HWS demand etes ns metres uM eee 27 8 6 Three way diverter RR I UU I TU Ta 27 8 7 Check Tunctiomor gas contol s oo desde udo Fees ioa deni tam uud eo ua S 27 8 8 Measuring the fan 27 8 9 Fitting instructions for the pressure SENSOM ccccssececcseeeccseeeecceuececsuseeecauececseuseecseuseessseesssaueeessaneessaaes 27 Atmos Heating Systems Installation and user manual EN FMT 9 10 Fitting instructions for the safety d daas eec tam eee 28 91 Maluncuon code F ashing 2 meae ade tes mi de E 28 9 11 1 Gas control will not oper rio voltage eene o ee Pot adt esset veg ei tese sd ee 28 8 11 2 Gas control will not open gas inlet pressure too 28 8 11 3 Gas control will not
32. a reciprocital stop Burner is off when the room thermostat is open end of heat demand when the actual flow temperature is 3 C above the set point blocking e orwhen the actual flow temperature is 3 C above the maximum permissible central heating temperature During the set central heating post running time the pump will continue to run over the central heating circuit in low load Basic Basic temperature 10 70C Slope 20 C Bl outside 20 C central heating i 22 Atmos Heating Systems 5 1 3 Central heating temperature regulation with modulating thermostat EBV or Opentherm with or without outside temperature sensor Set point The set point indicates whether there is a heat demand Without an outside temperature sensor the desired central heating flow temperature set point is calculated by the modulating room thermostat With an outside temperature sensor the measured outside temperature is sent to the modulating room thermostat which uses it to calculate the desired central heating flow temperature set point Burner is on when the room thermostat is closed heat demand e and when the actual flow temperature is 5 C below the set point desired central heating flow temperature and after 3 minutes anti recycling time if applicable Burner is off when the room thermostat is open end of heat demand e when the actual flow temperature is 3 C above the set po
33. able Connect to terminals 1 and 2 15 3 5 2 Modulating room thermostat if applicable Connect to terminals 1 and 2 15 3 5 3 Connection for the external temperature sensor if appicable Connect to terminal 3 ans 4 16 3 5 4 Connection of the temperature sensor for the external HWS cylinder Connect to terminal 5 and 6 16 3 6 Assenmipliag the conneclioniblo6K casui at Beca e brit ne Neve c uc id iv cd a qid d e Id 16 3 7 S Kb ae a a 16 CHAPTER 4 COMMISIONING 17 4 1 17 4 2 MAN SWIG CER OH 17 4 3 crc 17 4 4 Reading the water i copio ae ien Ru Ea va Pec EFE ey Robo vances 2e Fork e Ye E ERRARE APUD 17 4 5 bung M 17 4 6 Chimney sweeper 17 4 7 IIS LX rs AO s ct RR NO T 17 4 8 Gas Air adjustment COs alalysingd s secet aM Capta out e 18 dopo todo 18 Atmos Heating Systems Installation and user manual EN FMT X02
34. acket Atmos Heating Systems CHAPTER 4 COMMISSIONING 4 1 Electrical connection 230 VAC lf the boiler is provided with a supply cord and plug the appliance must be positioned so that the plug is accessible e If the boiler is not provided with a supply cord without a plug the supply must have a contact separation of at least 3 mm in all poles If the supply cord is damaged it must be replaced by the service agent or similarly person in order to avoid a hazard 4 2 Main switch To power up the appliance please switch the main switch on If the display of the unit gives the status code U alternately with an arbitrary other code this means the live and neutral connections are reversed Isolate the supply and reverse the connections 4 3 Filling During filling with water the unit must be connected to the mains and be switched on Fully open all radiator taps Connect the water supply to the filling connection If the unit is not yet filled with water the display shows a flashing P The two numbers on the display give the water pressure Open the tap to fill the system with water When the water pressure is sufficient gt 1 3 bar the flashing P disappears from the display Close after filling the filling tap again 4 4 Reading the water pressure It is possible to read the water pressure directly from the display To do this press the button of the display for a minimum of 5 se
35. age 230 Volt Take note that the unit the various pipes and the flue gas exhausted by the unit can reach high temperatures up to 90 C Before carrying out maintenance activities in or on the unit you must close the gas tap switch off the electricity supply and pull the mains plug out of the socket 1 16 Water quality The composition and quality of the system water has a direct effect on the performance of the total system and the life of the boiler heat exchanger Great care must be used with the addition and use of chemicals water softeners oxygen binders de aerators aerators and water filters as they increase the chance of malfunctions Corrosive elements of certain additives can attack the system and cause leakages the build up of undesired deposits generally leads to fatal damage of the heat exchanger Atmos Heating Systems CHAPTER 2 INSTALLATION 2 1 Mounting the rear cabinet with expansion vessel Mount the frame level to the wall Remove the red cap from the pipe and place this end of the pipe on the side connection of the T piece 15x15x1 2 Place the pipe with T piece in the frame Place the manual vent in the T piece at the top of the frame Fit the pipe in the second hole from the left and connect the T piece 15x15x15 to the previously placed pipe Place the expansion vessel and connect it to the flat flange above Place the rest of the pipes Installation and user manual EN FMT 2 2
36. al heating flow temperature can be set between 40 C and 90 C The burner is blocked when the set flow temperature is reached During the first 60 seconds of a central heating heat demand the flow temperature may rise to 3 C above the set point before the regulation locks 5 1 1 Central heating temperature regulation with on off thermostat without outside temperature sensor Increasing set point When the room thermostat is closed heat demand the set point desired central heating flow temperature rises at a rate of 2 C per minute until the maximum permissible central heating flow temperature is reached 21 minutes from minimum 40 C to 82 Falling set point When the room thermostat is open end of heat demand the set point desired central heating flow temperature falls at a rate of 4 C per minute to the minimum central heating temperature 10 5 minutes from 82 C to minimum 40 Burner is on e when the room thermostat is closed heat demand e when the actual flow temperature is 5 C below the set point desired central heating flow temperature e and after 3 minutes anti reciprocital time if applicable Burner is off e when the room thermostat is open end of heat demand e when the actual flow temperature is 3 C above the set point blocking e or when the actual flow temperature is 3 C above the maximum permissible central heating temperature During the set central heating post running time the p
37. conds The unit switches out of the menu back to normal operation e automatically after about 5 minutes e or if you press the button of the display shortly 4 5 Venting After filling the heating installation must be vented Proceed as follows Follow the instructions from the manufacturer installer for the venting of possible other elements of the heating installation such as underfloor heating Fully open all radiator taps Open the air bleed cocks of the radiators one at a time Use an air bleed key for this As soon as water comes out of the air bleed cock shut the cock off again Installation and user manual EN FMT 4 6 Chimney sweeper function The chimney sweeper function has priority over the central heating and HWS regulation The chimney sweeper function is activated by simultaneously pressing the and the buttons of the display in for longer than 5 seconds The ionisation current can be read in microamperes in the two right segments The capacity that is immediately released is the maximum central heating capacity Press the button to go to low load Lii Press the button to switch back to the preset full load capacity 1 Venturi screw Full load adjustment Turn the venturi screw anti clockwise to increase the value clockwise to decrease it 2 Gas control screw Low load adjustment Turn the screw anti clockwise to decrease the CO value
38. ction to the Combi boiler e Connect the cold water pipe to connection 1 e Remember to include a suitable inlet combination and a stopcock in the pipe This part must be water authority approved e Connect the hot water pipe to connection 2 2 3 4 Hot water connection to boiler with external storage HWS cylinder e Connect the return pipe of the external cylinder to connection 1 e Remember to connect a suitable inlet combination and a stopcock in the pipe to the storage HWS cylinder This part must be approved e Connect the flow of the external cylinder to connection 2 2 4 Seal on the waterside With the use of the group of taps you can now make a check on the seal on the waterside of the system 2 5 Draconin connection There must be a connection for the removal of the condensation water to the drain This connection must be fitted with a trap to prevent smell problems A tundish connection must be made because of possible overpressure or underpressure in the drain Fit the condensation drain pipe 6 inner diameter 40 mm minimum several centimetres left of the gas pipe 2 6 Electricity connection There must be an electrical outlet with earth connection available at a maximum distance of 1 m from the unit The electricity connection 230 VAC must consist of live neutral and earth A good earth connection is a requirement for good operation of the unit Atmos Heating Systems CHAPTER 3 SUSPENDING THE UN
39. e Manager will lock The restart runs through post ventilation purge see 8 5 If the burner demand ends the system goes to post ventilation purge see 8 5 6 1 5 Post ventilation Fan on Gas valve off Igniter off lonisation off The fan runs at the last demanded speed if the post ventilation is running at the end of the burner demand and in all other cases at the highest speed If a false flame signal is detected during purging the regulation locks If this lock is present for more than 5 seconds the regulation locks with 2 With end of post ventilation purging after the end of the burner demand a start test is run through 24 Installation and user manual EN FMT 6 1 6 Functional locking Fan on off Gas valve off Igniter off lonisation off Alarm contact on During functional locking the pump is on the central heating circuit At the beginning of the interlock in the fault table is updated With some instances of interlock the fan will post ventilate for 1 minute at 5096 of the maximum speed 6 2 Monitoring 6 2 1 Monitoring the pump circulation The pump is switched off for 3 seconds for each burner start At the same time the purging prestart time starts The static pressure is measured After this the pump is switched to a high speed The purging time starts as soon as the pump speed has reached the desired value At the end of the purging prestart time the active pump pressure is measured
40. ed 3 seconds after the pump is switched on If the difference between these two pressures is greater than 0 20 bar and less than 0 54 bar the pump test is finished Atmos Heating Systems 6 2 4 Static pressure monitoring If the water pressure is less than 0 2 bar the regulation locks with P pressure on the display This lock is removed when the water pressure goes above 1 3 bar With a water pressure between 0 5 and 0 2 bar the burner is limited to low load The display shows alternately the P and the normal status display If the water pressure is greater than 3 5 bar the regulation locks with a P pressure on the display The display shows alternately the P and the normal status display If the water pressure is greater than 3 5 bar the regulation locks with a P pressure on the display This lock is removed when the water pressure goes below 3 bar 6 2 5 Difference in temperature If the temperature difference between flow and return is greater than 45 C the regulation locks The lock is removed with a difference of less than 20 If the temperature difference between flow and return is less than 5 C the regulation will lock immediately during central heating and 20 seconds after ignition during tapping 6 2 6 Maximum temperature limitation If the flow temperature goes above 105 C when the burner is off the regulation will lock with a continuous H hysteresis 5 C
41. f 230 V on the live connection L and no voltage on the neutral connection N Check whether the on off switch on the bottom of the unit is switched on Check the glass fuse on the printed circuit board Careful high voltage The fuse is placed on the printed circuit board in the 230 V circuit So first disconnect the unit mains 8 3 Fault code U d or U O alternating U with a status code will appear on the display This fault code occurs when the Live and Neutral are exchanged or when no Earth is present Reverse the plug so that the Live is connected to Live and Neutral to Neutral 8 4 Unit does not respond to central heating heat demand Is the parameter for the type of unit correctly set in the menu e Parameter H 4 is not active no heating e Parameter H 5 is not active no heating Check for correct assembly and or cable fracture of the wiring of the room thermostat terminals 1 and 2 of the terminal block and if applicable the external sensor terminals 5 and 6 of the connection to the building management system terminals 3 and 4 8 5 Unit does not respond to HWS demand Is the parameter for the type of unit correctly set in the menu e Parameter H 1 is for a Combi unit e Parameter H 2 is for a boiler suited for a storage vessel with a sensor of 12 kOhm e Parameter H 3 is for a boiler suited for a storage vessel with a sensor of 10 kOhm e Parameter H 4 is not active no HWS e Parameter H 5
42. f flue tube and air me meme nennen 11 1 9 EAvVronmental conditons ssis E c 11 1 10 Permitted TUG resistance e Tcr 11 1 11 Heating of central heating water 11 1 12 PUMp ANG nmnvarauliC resistant o ui edo cotu sucre eve ato oir E E a 12 I LU cM M RC PERS 12 1313 1 of hot water GombI BOIlGF oan Eee aeo Nox ait kae doe cx euo o gua Found ice obit es 12 1 13 2 Heating of HWS boiler with external storage cylinder 12 1105 Standards MEDIE E 12 1 15 General satety regulations ccccccscccccsseeccseececceuscecseuseeceececseecesseeeessueeeeseueeessegeeessseeeeessuesessegeeeses 12 Teds Werau 12 CHAPTER 2 INSTALLATION 13 2 1 Mounting the rear cabinet with expansion 5 13 2 2 Mounting the assembly DEBOKOL ota bota 13 2 9 VWater anssgas COMMGCIONS xa nt su uis eati etd baec d ratur add Pad nutu e 14 2 515 vela cile EE E TT
43. g instructions for the safety valve The safety valve must be tightened with a torque of 10 8 11 Malfunction code F flashing After three failed attempts in a row the unit will lock flashing This can have very different causes e nogas e no ignition e bad flame formation e bad ionisation current 8 11 1 Gas control will not open no voltage Careful 210 If the gas control is not connected the Manager will see this at the beginning of the heat demand as a malfunction and therefore lock To measure the voltage on the gas control the gas control must remain connected During the starting period the gas control is connected to a voltage of 210 VDC 8 11 2 Gas control will not open gas inlet pressure too high The gas pressure in the gas pipe before the gas control is too high The safety valves of the gas control cannot open with gas pressures of 60 mbar e open the inlet pressure measurement nipple of the gas control e connect the pressure meter e measure the gas pressure 10 50 mbar 8 11 3 Gas control will not open coils defective The electrical coils of the gas control are burnt out and the safety valves of the gas control will therefore not open e The contacts on the gas valve should be measured for resistance e value that the multimeter shows should be about 4 1 kOhm at ambient temperature 28 Installation and user manual EN FMT 8
44. gh the heating CO setting At full central At low load heating load P 100 Natural gas 8 8 9 4 95 CO 8 2 8 6 95 CO G20 G25 Propane G31 4 8 1 Full load The burner has to burn at maximum central heating capacity Menu setting P 100 9 8 CO Activate the chimney sweeper function on full load Read the CO value on the analyser If the value does not correspond with the value in the CO setting table carefully adjust the venturi screw 1 Turn the venturi screw anti clockwise to increase the value clockwise to decrease it 18 9 2 CO Installation and user manual EN FMT 4 8 2 Low load Activate the chimney sweeper function on low load Read the CO value on the analyser If the value does not correspond with the value in the CO setting table carefully adjust the gas control adjusting screw 2 To do this temporarily remove the cap 3 with the aid of a Torx screwdriver Turn the screw anti clockwise to decrease the CO value on low load clockwise to increase it At the end of the flue gas analysis set the central heating capacity P in the menu again to the value that is best suited for the application 4 9 Placing the jacket Place the jacket in the appropriate hooks at the top of the unit Let the jacket pivot until it falls over the unit Tighten the fastener at the bottom of the jacket 4 10 Changing over to LPG gas First the venturi adjus
45. he ionisation probe low voltage Remove the two screws from the ionisation clamp Remove the ionisation probe from the cover and check the ionisation probe The ionisation probe must be straight and clean a slight deposit is normal Clean or replace the ionisation probe 7 1 5 Water pressure Check the water pressure top up and de aerate as necessary Press the plus button in for at least 5 seconds to see the actual water pressure in bar on the display Press briefly on the button to return to operational mode Atmos Heating Systems CHAPTER 8 MALFUNCTIONS High voltage The wiring of the pump the three way valve fan and wiring of the gas control can be under a voltage of 230 VAC 8 1 Draining the unit Onthe central heating side Switch the unit off and open the filling tap Onthe HWS side Switch the unit off Shut the inlet combination off Open a hot water tap and the protection device of the inlet combination When using the group of taps see the accessory list it is possible to only tap the unit Proceed as follows Switch the unit off A Close all taps under the unit Close the inlet combination Open the filling tap under the unit Open a hot water tap Open the protection device in the unit and of the inlet combination 8 2 No signal on the display If there is no signal on the display check if the mains voltage of 230 VAC is present on the unit There must be voltage o
46. ime 1 25 min CO 24 hours o min Max central heating capacity 33 100 80 0 central heating unit 1 combi unit internal HWS cylinder 2 for external HWS cylinder 12kOhm unit dependent 3 for external HWS cylinder 10kOhm unit dependent 4 and 5 all functions are blocked HWS temperature 40 C 65 C 60 C Combi unit Hold temperature 40 50 C 40 C Set point for storage HWS cylinder 40 70 C 60 C ee storage Basic temperature O 10 70 20 External characteristic 0 These three settings are only active when an external sensor is connected o PE Type of application EN EN 2 lb Slope O S 1 100 External characteristic Day reference temperature 0 C 70 C 20 C If you switch back to the factory setting Factory setting iis this has no effect on the H S and P S settings 00 automatic In the View mode you can read the actual values of 8 Water pressure in bar 1 Flow temperature in C 2 Return temperature in C 3 Inlet cold water temperature HWS sensor in C 4 External temperature in C 5 z Outside temperature in C 6 Flue gas temperature in C 7 Flame signal in uA DC 9 Last interlock A Last blocking 21 Atmos Heating Systems CHAPTER 5 TEMPERATURE REGULATIONS 5 1 CENTRAL HEATING The permissible centr
47. int blocking e orwhen the actual flow temperature is 3 C above the maximum permissible central heating temperature During the set central heating post running time the pump will continue to run over the central heating circuit in low load 5 2 HWS temperature regulations 5 2 1 Combi boiler HWS heat demand always has priority over central heating heat demand 5 2 1 1 HWS heat demand There is demand for hot water when running a shower or bath etc 5 2 1 2 End of hot water heat demand There is end of hot water heat demand when the tap is shut off and the user stops running water for a shower or bath etc 5 2 1 3 Store heat demand There is store heat demand when the internal HWS cylinder sensor falls below the desired HWS store temperature 5 2 1 4 End of store heat demand There is end of store heat demand when the water temperature has reached the set hot water temperature or when the minimum hold temperature the greater of the two is reached Note After the end of the HWS heat demand or the store heat demand the store heat demand is blocked for 45 minutes Burner is on when the cold water sensor does not cool by more than 2 105 e and when the return temperature is lower than the desired HWS temperature 5 C and when the return temperature is lower than the desired HWS temperature 35 C e and when the flow temperature is lower than 93 Note The pump runs for the internal HWS cylinder a
48. is not active no HWS Check the HWS sensor NTC and its wiring Check the three way valve for function and check the wiring Installation and user manual EN FMT 8 6 Three way diverter valve Check whether the actuator stops on the switch in position correctly Position far side In this central heating position the spring is powered Position near side In this HWS position with the spring unloaded Open the outlet pressure measurement nipple of the gas control connect the pressure meter to the outlet pressure measurement nipple measure the pressure this must be zero start the unit the unit will now be rinsed at 1500 rpm next the fan starts at the initial speed of 3000 rpm the pressure meter will now indicate an underpressure of approximately 3 mbar when the gas control is opened the zero pressure regulator will again make zero pressure if not then the gas control is not functioning 8 8 Measuring the fan impedance Check the resistance of the coil the two outermost contacts on the fan motor re The value that the multimeter shows must be between 115 and 120 Ohms at room temperature If the fan is defective the drive on the drive on the Manager may also be damaged 8 9 Fitting instructions for the pressure sensor The seal is made with an O ring The pressure sensor must only be tightened slightly more than hand tight 27 Atmos Heating Systems 8 10 Fittin
49. ling the unit must be connected to the mains and be switched on Fully open all radiator taps Connect the water supply to the filling connection of the installation Open the tap to fill the system with water When the water pressure is sufficient gt 1 3 bar close the filling tap again If there is air in the installation the boiler can switch on but the radiators remain cold Follow the instructions from the manufacturer installer for the venting of possible other elements of the heating installation such as floor heating Fully open all radiator taps Vent the radiators after the pump is switched off Open the air bleed cocks of the radiators one at a time Use an air bleed key for this As soon as water comes out of the air bleed cock shut the cock off again If the central heating boiler is at the highest point of the installation air can collect in the boiler This can cause a malfunction in the boiler Also vent the internal tap pot only with a Combi unit Other causes There must be heat demand from the room thermostat or other control otherwise the boiler will not switch on Set the thermostat to demand heat and check whether the boiler switches on this can take a minute or so If there is little water circulation because too many radiator taps are closed the boiler will not function or will function insufficiently In this case open more radiator taps or ask your installer to fit a bypass valve Atmos
50. nction blocking Water pressure m Burner Manager fault can only be reset by switching voltage on off Installation and user manual EN FMT Display of locks flashing Flow Return sensor fault Too many restarts Internal regulation fault A D conversion fault external sensor fault Fan fault Gas valve fault Flame detected with closed gas valve qt 2 3 B i 8 Flue gas temperature gt 95 C Internal interlock fault Flow sensor gt 105 C with burner on Too many ignition attempts An interlock flashing can only be unlocked by pressing the set reset button 31 Atmos Heating Systems Installation and user manual EN FMT 2003 Atmos Heating Systems Ltd All rights reserved Nothing from this document may be duplicated and or made public by means of printing photocopy microfilm or in any other way without prior written permission from the manufacturer This also applies to the appropriate drawings and or diagrams The information supplied in this document is based on general data with regard to constructions material characteristics and working methods known at the time of going to print Therefore we reserve the right to make changes without notification For this reason the instructions given serve only as a guideline for the installation use and maintenance of the unit shown on the cover of this document This document is valid for the unit in its standard version Therefore the manufacturer cannot
51. nd user manual EN FMT 8 11 7 Inspection cleaning replacement of the ionisation probe Electrical connection of pump with the boiler electronics N neutral L life The pump is earthed to the electronics as well unplug the plug of the ionisation probe low voltage remove the two screws from the ionisation clamp remove the ionisation probe from the lid of the unit check the ionisation probe the ionisation probe must be straight and clean a slight deposit is normal e clean or replace the ionisation probe 8 11 8 lonisation probe or ionisation cable makes short circuit with earth The negatively charged ions created by the burner form the ionisation current to earth if there is short circuit to earth the Manager cannot measure any current Repair short circuit 8 11 9 Boiler pump The boiler pump transports the system water through the primary heat exchanger and either system or if applicable internal HWS tank or the external cylinder I T If the temperature difference between flow and return is greater than 30 C the pump switches to a high speed When the temperature difference drops below 10 C again the pump switches back to a low speed system heating pump speeds 29 Atmos Heating Systems USER MANUAL General The unit combines a maximum of comfort with an extremely easy operation As the user you need do no more than set the desired temperature on the room
52. on low load clockwise to increase it 3 Cover screw 17 Atmos Heating Systems Pre adjustment to be done in voltage free condition LPG GAs Turn venturi screw clockwise completely down on its seat Then turn the venturi screw anti clockwise O for 2 complete turns NATURAL GAS Turn venturi screw clockwise completely down on its seat Then turn the venturi screw anti clockwise O for 4 complete turns PRE ADJUSTMENT MEASUREMENT Distance between Venturi screw 1 and the Top of the venturi stud to be about v 12 5 mm for natural gas G25 v 14 1 mm for natural gas G20 v 16 5 mm for LPG gas G31 With a vernier callipers the distance between venturi screw 1 and the Top of the venturi stud 1 has to be measured to find the rough setting of the venturi screw for full load and depending of the used gastype The exact adjustment of the setting has to be made using the CO analysing method as described below 4 8 Gas Air adjustment analysing The gas control is set in the factory to the type of gas to be used This type of gas is stated on the packing and on the identification plate To check the setting you have to make a flue gas analysis Proceed as follows Em ID Remove the measuring cap T T from the flue tube Fit the measurement probe of a flue gas analyser meter in the measurement opening of the flue tube canal Make sure there is sufficient heat dissipation throu
53. or 12 kOhm sensor of external cylinder If no on off room or modulating room thermostat is used at all terminals 1 and 2 must be connected by wire 3 5 1 On off room thermostat if applicable Connect to terminals 1 and 2 The on off room thermostat 24 V must be fitted in the same building as the unit Strip about 5 mm off the insulation of the wires of the room thermostat Stick the stripped ends of the wires into connections 1 and 2 of the connection block Make sure that the wires do not make a short circuit Firmly tighten the screws in the connection block 3 5 2 Modulating room thermostat if applicable Connect to terminals 1 and 2 The modulating room thermostat must be fitted in the same building as the unit Strip about 5 mm off the insulation of the wires of the room thermostat Stick the stripped ends of the wires into connections 1 and 2 of the connection block Make sure that the wires do not make a short circuit Firmly tighten the screws in the connection block 15 Atmos Heating Systems When using a modulating thermostat the plug on the printed circuit board must be connected with the correct polarity To reach the printed circuit board the black casing must be opened Connect the plug for the relevant modulating space unit to terminal a b or c according to the following photograph White Connection for an on off 24 Volt room thermostat 3 5 3 Connection for the ex
54. spension bracket 4 Let the pipe protrude 40 45 mm under the clamping plate 5 Fit the rubber bellows over the air supply pipe and seal them with the hose clip 6 Fit the clamping plate on the suspension bracket and tighten it with the three screws supplied Take care here Installation and user manual EN FMT that the clamping plate falls in the groove of the sliding piece 3 3 2 Connecting the concentric flue tube and air supply 80 125 mm adapter When the flue tube and air supply are connected concentrically proceed as follows 1 Fit the 80 125 mm adapter on the unit before you place the unit 2 After you have placed the unit fit the concentric pipes on the 80 125 mm adapter 3 3 3 Connecting the concentric flue tube and air supply 60 100 mm adapter When the flue tube and air supply are connected concentrically proceed as follows 1 Fit the 60 100 mm adapter on the unit before you place the unit 2 After you have placed the unit fit the concentric pipes on the 60 100 mm adapter 3 4 Condensation water drain overpressure protection on drain Make a tundish between the condensation water drain overpressure protection of the unit and the drainpipe 3 5 Connection block The connections of the green connection block are all volt free contacts Therefore do not connect 230 Volts to them terminals 3 4 Connection for 12 kOhm external temperature sensor terminals 5 6 Connection for 10 kOhm
55. stall the gas pipe stress free Include an approved stopcock in the pipe Carefully blow the gas pipe clean 2 3 2 Central heating water connections 14 Connect the central heating flow pipe to connection 3 Connect the central heating return pipe to connection 4 A differential bypass valve must be installed on plants where it may happen that various radiators are simultaneously excluded from the circuit because of closure of control or zone valves Install a filling and draining device in the central heating system Do not use the overflow valve as a drain The overflow valve is a safety valve that ensures that the system is not subjected to a too high pressure max 3 5 bar Stopcocks must be fitted in the central heating flow pipe 3 and the central heating return pipe 4 The central heating return pipe 4 must be fitted with a suitable expansion vessel The size of the expansion vessel must be determined on the basis of the central heating water temperature and the total water content the installation contains If it may be expected that the central heating water will be severely contaminated by under floor heating fitting is a 2 kg dirt filter in the return pipe is recommended Atmos cannot give a guarantee for Installation and user manual EN FMT e Damage to the unit that is caused by dirt in the system e Before connecting the unit rinse the system completely to remove all contamination 2 3 3 HWS conne
56. t the highest speed Installation and user manual EN FMT Burner is off When the return temperature is 2 above the desired HWS temperature and the cold water sensor has measured a rise of 0 2 C 10 s e orwhen the flow temperature is above the desired HWS temperature 40 C e or when the flow temperature is above 93 C e also when the cold water sensor is above the set HWS temperature Note The pump continues to run 30 seconds after the internal HWS cylinder is satisfied 5 2 2 Boiler with external HWS cylinder The regulation is made on the basis of flow temperature with a normal cylinder thermostat function on off 5 2 2 1 HWS cylinder with external sensor without modulating space unit The unit switches the heating of the storage HWS cylinder off when the return sensor has reached the desired final temperature of the HWS cylinder There is a burner demand when the flow temperature is lower than 85 C and the return temperature is lower than the desired HWS cylinder temperature With HWS cylinder heat demand the pump state is high 5 2 2 2 HWS cylinder with external sensor with modulating space unit The modulating thermostat will generate a desired HWS temperature value The unit switches the heating of the cylinder off when the return sensor has reached the desired final temperature of the HWS cylinder There is burner demand when the flow temperature is lower than 85 C and the return temperature is lower
57. ternal temperature sensor if applicable Connect to terminals 3 and 4 If an external sensor is connected this temperature sensor must be an NTC with a resistance of 12 kOhm at 25 C Strip about 5 mm off the insulation of the wires of the sensor Stick the stripped ends of the wires into connections 3 and 4 of the connection block see figure 8 Make sure that the wires do not make a short circuit Firmly tighten the screws in the connection block If an external sensor is not used terminals 3 en 4 can remain open 3 5 4 Connection of the temperature sensor for the external HWS cylinder if applicable Connect to terminals 5 and 6 If an external HWS cylinder is used the temperature sensor must be an NTC with a resistance of 12 or 10 kOhm at 25 C The correct version can be programmed later in the menu of the Manager Strip about 5 mm off the insulation of the wires of the sensor Stick the stripped ends of the wires into connections 5 and 6 of the connection block see figure 8 Make sure that the wires do not make a short circuit Firmly tighten the screws in the connection block 16 Installation and user manual EN FMT 3 6 Assembling the connection block Connect the green connection block in the green socket 3 7 Placing the jacket Place the jacket in the appropriate hooks at the top of the unit Let the jacket pivot until it falls over the unit Tighten the fastener at the bottom of the j
58. thermostat no matter what time of the year Depending on how much you value optimum comfort and the lowest possible energy consumption the following tips can help you make optimum use of your unit To help limit the energy consumption it is recommended to set the room thermostat to a lower temperature a few hours before going to bed Turn all radiator taps fully open in the rooms that you want to heat Shut the radiator taps off in the rooms where you do not want any heating Cleaning the unit Regularly clean the outside of the unit with a soft damp cloth It is not necessary to shut the gas tap off or switch the mains off for this Never use aggressive or flammable cleaning agents Take note that the pipes can be at a high temperature Holidays With long term absence for example in the holidays it is recommended to leave the unit continually switched on The reason is that the unit makes a number of checks every 24 hours If frost can be excluded set the room thermostat to a lower temperature If frost cannot be excluded set the room thermostat to a temperature of 12 or higher Although the unit has an internal frost protection this does not protect the whole installation against freezing Brrrr the central heating is not working In the unlike event that the central heating has let you down we have some tips for things that you can check and remedly yourself before an installer The central heating boiler is
59. ting screw fully clockwise until it blocks Fit a flue gas analyser CO2 meter in the measurement opening of the flue tube canal 4 10 1 Full load on Propane Set in the menu the capacity P to 100 Activate the chimney sweeper function on full load Unscrew the venturi adjusting screw four full turns anti clockwise A guide for the dimension from the top of the screw to the top of the support is 16 1 mm Read the CO value on the flue gas analyser If the value does not correspond with the value for propane gas G31 9 8 CO carefully adjust the venturi screw until the correct value is obtained If the gas control is already properly adjusted for natural gas then the low load will not need to be adjusted Activate the chimney sweeper function on low load Check the CO value at minimum capacity for propane gas G31 9 296 9 596 CO If necessary adjust the gas regulator screw until the correct value is obtained Note that this setting is a critical one Atmos Heating Systems Installation and user manual EN FMT 4 11 Display During operation the display shows the status of the unit in the form of a code To be able to read the codes A display open the cover in front of the display The display B button consists of three 7 segment LED s three decimal points and three pushbuttons The left 7 segment LED shows the status or the menu step The two right 7 segment LED s show the
60. ump will continue to run over the central heating circuit in low load 5 1 2 Central heating temperature regulation with on off thermostat with outside temperature sensor Set point The desired central heating flow temperature set point is calculated on the basis of the measured outside temperature and the O S O d O b parameters set in the menu In formula form Set point of central heating 20 C outside temperature O S 10 O d Letter in Description menu Range Installation and user manual EN FMT Heating curve Parameter C 82 C default Supply temperature C O S 20 default Flow temperature in C 4 O d 20 C default O b 20 C default Outside temperature C Olb value The setting of the minimal Heating flow temperature value in C O S value The setting for the sloop of the curve change of Flow temperature depending on the change of the outside temperature O d value The setting of the flow temperature at an outside temperature of 20 C value in C Parameter C The setting in the menu makes the maximal heating flow temperature default 82 C Burner is on e when the room thermostat is closed heat demand e and when the actual flow temperature is 5 C below the set point desired central heating flow temperature e and after 3 minutes anti reciprocital time if applicable after

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