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Hermann Eura Condensing, Инструкции по установке, использованию и обслуживанию

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10

Technical data

for the technician

AVAILABLE PUMP CAPACITY

EURA CONDENSING

pump speed selector on position I, II and III

(automatic by-pass)

Pressure m. H

2

O

0

0,5

1

1,5

2

2,5

3

3,5

4

4,5

5

5,5

6,5

7

7,5

6

0

200

400

1000

1200

600

800

1400

1600

790

R00

Water flow l/h

excluded by-pass

automatic by-pass

Содержание Eura Condensing

Страница 1: ...y is activated For further information consult the coupon which you can find in the boiler s documents envelope Assigning all the operations for the first ignition to a HermannAuthorized Service Center the particular and exclusive Hermann Conven tional Warranty is activated For further information consult the coupon which you can find in the boiler s documents envelope INSTALLATION USER AND SERVIC...

Страница 2: ...nings preceded by this symbol MUST be carefully respected so as to avoid any disfunctioning and or damage to the appliance or other objects MANUFACTURER DECLARATION Hermann boilers have obtained the CE certification DM dtd April 2nd 1998 Law 10 91 art 32 and meet minimum efficiency requirements both at normal and 30 load provided by DPR 412 93 ac cording to Law 10 91 art 4 sub section 4 They are i...

Страница 3: ... 27 Maintenance operations 28 Gaining access to manual regulation devices 29 Cleaning the combustion group 30 Checking and combustion regulation 32 Regulation programming 34 Slow opening regulation 37 Max heating power regulation 37 Excluding automatic by pass 38 Draining EURA boiler 38 Other boiler programme 39 Crypt Warnings for Technical experts 42 Servicing warnings 44 Boiler internal componen...

Страница 4: ...ractual and extra contractual responsibility for any dam age arising from wrong installation wrong use and non observance of current laws and instructions given by the manufacturer himself Important this gas boiler is used to heat the water at a temperature lower than the boiling one at atmospheric pressure it must be connected to an heating system and or to a domestic hot water system in accordan...

Страница 5: ...stion which is the chemical reaction between the combustible i e natural gas and a burning air which produces heat and creates carbon dioxide CO2 water water steam and traces of carbon monoxide CO azote oxide NOx and incombustible As we know to transform 1 Kg of water in vapour it is required about 0 7 KWh keeping into consideration that 1 m3 of natural gas produces about 1 6 Kg of water and it is...

Страница 6: ...Rules To install a condensing boiler it is necessary to include an outlet duct for the condense acids resistant for the all length in a suit able plastic material Ø internal 13 mm minimum The connection point between the outlet con dense of the boiler and the condense duct has to be inspected so an ideal solution is to connect it to a funnel to be used also for the safety valve This duct must reac...

Страница 7: ...id condense tends to form itself also inside the flue components these should be suitable to reach the purpose It is mandatory and necessary to use original flue components espe cially designed for EURA Condensing and properly signed to realize the outlet duct be cause they are integral part of the same component See Chimney connections for further details about it Without being much more detailed...

Страница 8: ... u t a r e p m e t C 0 3 t a e t a r w o l F n i m l 0 2 1 w o l f r e t a w n i M n i m l 6 2 e r u s s e r p y l p p u s x a M r a b 6 h c t i w s y t i r o i r p e h t f o n o i t a v i t c a e h t r o f e r u s s e r p y l p p u s n i M r a b 4 0 x a m n i m e g n a r n o i t c e l e s e r u t a r e p m e T C 5 5 0 3 r e t a w t o h g n i t a e h y t i c a p a c k n a t i n i M l 9 0 2 3 e r u...

Страница 9: ...ata for the technician DIMENSIONS 241 209 274 189 326 124 1 2 3 450 377 833 209 241 189 1 t e l t u o s t c u d o r p e u l F 2 m e t s y s l a i x a o c r o f t e l n i r i A 3 m e t s y s e t a r a p e s r o f t e l n i r i A ...

Страница 10: ...MP CAPACITY EURA CONDENSING pump speed selector on position I II and III automatic by pass Pressure m H 2 O 0 0 5 1 1 5 2 2 5 3 3 5 4 4 5 5 5 5 6 5 7 7 5 6 0 200 400 1000 1200 600 800 1400 1600 790 R00 Water flow l h excluded by pass automatic by pass ...

Страница 11: ...atic air vent 13 Flue conveyor 14 Sealed combustion chamber 15 Combustion chamber 16 Burner 17 Primary exchanger combustion chamber 18 Gas injector 19 Gas air melting system 20 Ventilator 21 Outlet condense of the condensing group 22 Seal outlet too full 23 Condense syphon with safety float 24 Domestic heat exchanger 25 Gas valve 26 Motorised mixing valve 27 Priority flowstat 28 Electric filling v...

Страница 12: ...or brief description Always proceed with caution when handling the boiler and carrying out instal lation maintenance work as metal parts may cause injuries such as cuts and abrasions Wear gloves while doing the above mentioned operations Reference norms and laws for installation Place here all necessary advices according to national rules about BOILER INSTALLATION Exemple Rule UNI 11071 Domestic g...

Страница 13: ...RA E EURA E EURA E EURA E natural draught When a natural draught boiler is installed permanent ventilation of the installation room is mandatory and extremely important Ventilation must be made and sized in accordance with Laws and Rules in force The syphon outlet too full Before installing the boiler you must evaluate the opportunity to use the too full outlet of the seal This safety outlet parti...

Страница 14: ...e plastic caps and their relevant gaskets from boiler connections Remove bottom plastic supports by unscrewing their relevant screws Keep these screws since you will need them to install bottom grid Remark We suggest not to fix grid until the boiler is definitively commissioned Connect boiler to the pipework installing a cold water inlet cock We also suggest to install cocks on heating flow and re...

Страница 15: ... If pressure is higher a PRESSURE REDUCER must be fitted upstream the boiler The cleaning frequency of the coil exchanger depends on the water supply hardness Besides the presence of solid residuals or impurities in the water for example in case of new systems could compromise the correct functioning of the boiler So may be necessary to install suitable water treatment device depending on the wate...

Страница 16: ...ystem Warning if boiler is installed in a room where temperature can drop below 0 C it is recom mended to fill the heating system with an anti freezing mixture While filling please follow carefully the following phases Open air vent in radiators open filling tap slowly unscrew screw 2 located in water filling electro valve from position C to position A see picture taking care of all air vent insta...

Страница 17: ...ve a section greater than or equal to the boiler one e an interception valve must be installed upstream the appliance Open the meter valve and purge the air that is inside the system pipes including all the appli ances While connecting gas inlet pipe of the boiler to the pipe coming from gas network it is MANDATORY to insert a TIGHT GASKET whose dimensions and material must be adequate Connection ...

Страница 18: ... connect earth wire to yellow connector connect NEUTRAL cable N and PHASE L to WHITE connector precisely as shown in the picture If PHASE and NEUTRAL wires are reversed the boiler will not work when a Room Thermostat or commercial Chrono Thermostat TA principal and or Out door Temperature Probe SE are foreseen unplug GREEN connector from PCB and make connections as shown in the picture If TA is in...

Страница 19: ...G the specific flue accessories components for condensing boilers especially the parts which are in touch with the flues inlet are so projected because they are made with plastic materials acids resistant but because of their nature they are not suitable to resist to the higher temperature of the flues of the traditional boilers So it is not possible to use traditional flue components for the outl...

Страница 20: ...ope upwards of the inlet ducts for their all length or at least only for the external tract is sufficient to prevent that the rain water reaches the combustion chamber 5 so the inlet must not be downwards 6 do not let the condense go out from the flue outlet terminal 7 the coaxial inlet outlet duct must be installed so as the flues are upwards and so the condense discharge itself towards the boile...

Страница 21: ...which unblocks the outlet duct of the condensing boilers must be properly declared by its producer In case of common chimney keep in mind the laws in force regarding the typologies and rates of users In general situations the evacuation systems of the combustion products must be properly declared from the producer of the same system for wet functioning or must be supplied by the appliance s produc...

Страница 22: ... 8 0 0 0 1 o n g n i v a h e c a f r u s r e h t o n a g n i c a f e c a f r u s a m o r F s t m 3 f o e c n a t s i d a n i h t i w s l a n i m r e t r o s g n i n e p o e l o h n o i t a u c a v e e h t m o r f O 0 0 5 1 0 0 8 1 0 0 0 2 n i h t i w s l a n i m r e t r o s g n i n e p o h t i w t u b e v o b a s A e l o h n o i t a u c a v e e h t m o r f s t m 3 f o e c n a t s i d a P 0 0 5 2 0...

Страница 23: ...nsing AIR INLET AND PRODUCTS OUTLET THROUGH SEPARATE PIPES CA Inlet duct CS Outlet duct CA CS min 2 m max 18 m CS max 9 m Each supplementary bend at 90 corresponds to 1 linear meter of pipe Each supplementary bend at 45 corresponds to 1 2 linear meter of pipe ...

Страница 24: ...f the duct inlet outlet vertical coaxial min 1 m max 11 m Each supplementary bend at 90 corresponds to 1linear meter of pipe Each supplementary bend at 45 corresponds to 1 2 linear meter of pipe Put the outlet coaxial horizontal terminal with the outlet head UPWARDS and with the wall and the external sealing collar matching the SECOND groove as indicated in the picture ...

Страница 25: ... heat room thermostat TA2 switched off the boiler works at a low temperature and directly supplies the floor system control led by the environment thermostat TA When the zone at high temperature controlled by TA2 re quire heat the boiler work at high temperature and the kit supplies the inlet to the radiators If both the zones require heat the kit provide the direct inlet to the radiators and to r...

Страница 26: ... equipped with a special device which closes when dry Anyway the seal is guaranteed only when the syphon trap is filled with liquid So at the end of the first firing commissioning operation it is recommended to check that the syphon trap contains liquid e g checking that liquid exits the condense drain of the boiler When boiler is electrically connected or is ignited it is necessary to wait about ...

Страница 27: ...t the passage of the air burning and the evacuations of the flues and of the condense will be made correctly accordingly to National and Local laws in force DM 12 04 96 Law UNI CIG 7129 01 D P R 412 93 UNI EN 677 UNI 11071 and further modifications verify that the conditions for the air inlet are granted in case of a boiler placed inside a piece of furniture Before turning on the boiler verify tha...

Страница 28: ...e passage of the air burning and the evacuations of the flues and of the condense will be made correctly according to National and Local laws in force DM 12 04 96 Law UNI CIG 7129 01 D P R 412 93 UNI EN 677 UNI 11071 and further modifications verify the correct functioning of the system of the outlet condense also in the external parts of the boilers i e the eventual condense collector installed o...

Страница 29: ...ifting it up 2 To remove lower grid if any unscrew screws 3 push lower and shift it forward Note lower grid is spare inside packing not assembled 3 Unscrew fixing screws 4 and extract control panel 5 for ward rotating it around hinges 4 Once you have terminated the maintenance which requires the access to the internal parts close the boiler following the above operation in the contrary sense ...

Страница 30: ...t all the holes are free Clean softly the burner electrodes avoiding to bend it or to move it DRY Clean the cylinder of the burner ONLY IF IT IS NECESSARY through a NOT METALLIC brush with movements on the burner s axis from cover outwards Do not damage the ceramic fibre cover or deform the holes of the burner If the burner works correctly it will be of black colour but clean or in any case with f...

Страница 31: ...he problem so remove the funnel unscrewing the superior and lateral connectors and the screw 9 of the bracket support Accurately clean the funnel and be sure that its inlet pipes 5 and outlet condense 7 are free it could be obstructed by the residuals The pipe which links the funnel to the primary exchanger can not be removed Reassemble all the components in the right order and on the contrary sid...

Страница 32: ... using the button the green led is flashing 2 Connect the positive inlet of the differential micromanometer to the pressure plug PINT not PIN of the gas valve Remove the pipe which links the compensation plug 1 of the combustion chamber to the pressure plug 2 of the gas valve and connect the plug 1 and 2 to the negative inlet of the micromanometer through the T connector as showed in the pic ture ...

Страница 33: ... regulate the CO2 keep the off set within the limits If the value of CO2 would completely out of tolerance you can suspect a malfunctioning or a wrong measure 8 keeping active the PARAMETER 12 select the value 1 pushing the button 9 verify that in the centre of the display a value included between 554 and 556 is showed indicating that the fun is working at 5550 10 laps min the value can oscillate ...

Страница 34: ...contemporary dis play shows service with a number on the left from here on called PARAMETER and an other number on the right from here on called VALUE Select number of PARAMETER to be modified pushing knobs and change VALUE by pushing and The value blinks The three figures values are shown in the centre of the display To STORE a new value push If you want NOT to store the value do NOT push but sim...

Страница 35: ...ee Maximum heating power regulation for the complete regulation procedure In the paragraph MAXIMUM Power heating Regulation you will find the table for the correspondence between the shown value and its power 5 Pump working in Winter mode Normal 0 Always on 1 Always off 2 Factory setup 0 See Other boiler programming for more info 6 Switching on delay after reaching set heating temperature from 0 t...

Страница 36: ...ator speed from 100 at 300 revs minute x 10 Factory setup 180 Do not absolutely modify the factory setup 14 Regulation of the maximum ventilator speed from 380 at 630 revs minute x 10 Factory setup 555 Do not absolutely modify the factory set up 15 Pre ventilation setting time from 1 to 10 seconds Factory setup 3 For further details see the paragraph Other boilers setting later in this chapter 16 ...

Страница 37: ...er must be set according to actual heating system design The several powers and the correspondent values of the parameter and the number of the fan turns are re ported in the tables POWERS PARAMETERS TURNS To regulate heating output proceed as follows Actual heating system power must be known according to plant design while boiler is not working green light flashing select parameter 4 and push onc...

Страница 38: ...s A Draining EURA boiler To correctly drain both heating system and minitank in the sanitary system it is necessary to manually set three way valve in middle position as described here below three way valve item 3 must initially be in sanitary mode manual control spindle in position S If it is in position R open a domestic hot water tap to move it to S switch boiler off manually push spindle towar...

Страница 39: ...this parameter is related to the main zone checked by the main room thermostat TA 0 NORMAL if the technician selects the 0 value the user could choose pushing the but tons and during the normal use an inlet heating temperature included be tween 30 C and 80 C Use this setting when the boiler is connected to a traditional system with radiators and fan coils 1 REDUCED if the technician selects the 1 ...

Страница 40: ...C higher than dhw temperature set by the user 2 Select 2 to keep minitank temperature in the primary system between 10 C and 15 C higher than dhw temperature set by the user 3 Select 3 to keep minitank temperature in the primary system between 45 C and 50 C regardless dhw temperature set by the user It is recommended to select 0 default setting or 3 in case of hard water unless a suitable scale re...

Страница 41: ...ntual previous residual combustion products This operation eliminates the main part of the combustion gas and allows that next post ventilation checked with the parameter 15 can be as fast as possible The Company set up must be ideal for all cases and it is recommended not to modify it The post ventilation is stopped in case of heating request and so this time does not delay the boiler replay 17 R...

Страница 42: ...ng sensor open or short circuit Solution Disconnect sensor and measure its electric resistance If it is found open or shorted replace it otherwise check cables and electrical connections E12 Domestic Mini tank sensor damaged Cause Control PCB has verified an anomaly in Domestic Mini tank sensor open or short circuit Solution Disconnect sensor and measure its electric resistance If it is found open...

Страница 43: ...ues Then set all parameters to DEFAULT values see Regulation programming taking care to press to store each value Switch boiler off and then on again by pressing and set Heating temperature 40 C using and Domestic water temperature 45 C using and This rewriting default settings operation should restore boiler functioning If problem still exists substitute modulation PCB set all previously noted va...

Страница 44: ...ts which are in touch with the condense Check boiler ignition switching off and operation Check water and gas connections tightness Check gas consumption at the minimum and maximum output Verify that safety devices are correctly working Verify correct functioning of control and adjusting devices Verify periodically good working and efficiency of the combustion product evacuation ducts and or devic...

Страница 45: ...ry exchanger 9 Sealed Chamber 10 Gas injectors 11 Air Gas Mixing System 12 Motorized Mixing Valve 13 Syphon for Condense Collection 14 Gas Valve 15 Ignition Unit 16 Pipe for Condense Outlet 17 Priority Flussostat 18 Electronic Valve to fill the System 19 Outlet System Tap 20 Manometer 21 By Pass 22 Syphon for Condense Outlet 23 Safety Valve for 3 bar Heating Circuit 24 Motorized 3 Way Valve 25 Cir...

Страница 46: ...wstat L Electrical Phase Live V Fan Hall Sensor V1 supply V2 speed checking N Electrical Neutral PSA Loss of water switch SB Domestic minitank temperature sensor SE External temperature probe SR Flow temperature sensor TA Room Thermostat unique zone or main zone take off the jumper to install TA2 Room Thermostat secondary zone it works only if the TA is installed TP Inlet for Safety Thermostat Flo...

Страница 47: ...IED TECHNICIANS authorized by Law n 46 dtd March 5th 1990 and in accordance with UNI CIG 7129 92 and 7131 99 requirements and revisions Moreover in accordance with art 11 section 4 of DPR 412 93 boiler MAINTENANCE operations must be made at least once a year and following manufacturer s instructions and present UNI and CEI rules APPLIANCE BOOKLET OR CENTRAL PLANT BOOKLET All appliances even those ...

Страница 48: ...nary servicing of the warm air heater and combustion checks must be carried out by a qualified technician Warnings In case of gas smell a do not press electrical switches use the telephone or other objects that can pro voke sparks b open immediately the windows and the doors in order to cleanse the room air c close the gas supply taps d call a qualified technician Do not obstruct the ventilation o...

Страница 49: ...er with set sanitary temperature in C Burner automatically switches on whenever there is a domestic hot water demand It is possible to change hot water temperature by pressing or new set temperature flashes for few seconds WINTER MODE Press knob to work boiler in WINTER mode WINTER mode is recognisable just looking on to display where both and symbols appear together with set sanitary and heating ...

Страница 50: ...1993 n 412 and relevant changes Please always refer to instruction manual enclosed to room thermostat s BOILER FILLING It is not necessary by end user to check water pressure inside boiler since EURA is provided with a special automatic filling device In case of anomaly a special alarm will be displayed Please refer to paragraph Boiler blocking and alarm codes ANTI FREEZING PROTECTION Eura is equi...

Страница 51: ...3 HEATING SYSTEM TEMPERATURE decrease knob 4 HEATING SYSTEM TEMPERATURE increase knob Pressing these knobs allows a decrease increase of 1 C in Heating flow water Such knobs work in winter mode only When you realize that room reaches too slowly desired temperature increase this set ting If room temperature goes over desired temperature decrease this setting 5 DOMESTIC SYSTEM TEMPERATURE decrease k...

Страница 52: ...ature is shown It flashes for few seconds while changing tem perature by pressing or 12 Red light BOILER BLOCKED When red light is off boiler is normally working When red light is CONSTANTLY on a boiler failure which can be reset by end user happened and reset is displayed 18 and 20 in enclosed picture Please refer to Boiler blocking and alarm codes to understand what happened and prevent future p...

Страница 53: ...the type of failure occurred Please refer to Boiler blocking and alarm codes to understand what happened and pre vent future problems 19 SERVICE displayed Boiler is blocked and can be reset by technical service only 20 RESET displayed Boiler is blocked Please refer to Boiler blocking and alarm codes to understand what happened restore boiler operation prevent future problems Boiler blocking and al...

Страница 54: ...entre qualified technician see Cause 2 also Cause 2 If the block repeats always and immediately after a heat request heating or DHW the safety thermostat on the system return may have triggered This device once trig gered remains active and must be reset manually by the Technician Solution Please contact a Hermann Technical Centre qualified technician E03 Reserved Alarm Red light constantly on Ala...

Страница 55: ... heating system Solution Switch boiler off by pressing and disconnect electrical line through main switch Switch boiler on pressing again E18 code may be displayed it should disap pear within 5 minutes otherwise if E21 code is on again call a Hermann Technical Centre qualified technician Do not try to reset boiler once more E22 Imprecise data storing Red light flashing Alarm type service Solution ...

Страница 56: ... the parameter 2 is positioned on the value 1 and regulate the inlet tem perature through the buttons and For the secondary zone at a low tempera ture verify regulate the inlet temperature through the parameter 17 If the block happens again unless the above mentioned verifications contact the Hermann Technical Centre qualified technician of the boiler and or who has built the floor stand ing syste...

Страница 57: ...and it could not guarantee the Anti freezing Protection Let the condense collector syphon be emptied unscrewing its inferior plug REMARK the boiler is equipped with a system which protects the main components from the exceptional cases of LOCK OUT due to the inactivity in presence of water and scale The Anti Lock out System can t work during the Safety Lock Out Process because of the lack of elec ...

Страница 58: ...hen room temperature and that boiler is in Winter mode both symbols and must be displayed LOW DOMESTIC HOT WATER PRODUCTION Check if domestic hot water temperature is enough high in case increase temperature by pressing Let the boiler regulations and the correctness of the programming be checked in particularly the parameter n 12 Call a technical service centre to verify domestic heat exchanger In...

Страница 59: ...th water or other liquids sprinklings Do not put any object on the gas boiler The gas boiler utilization is forbidden to children and to inexperienced people If the gas boiler is going to be definitively unused call a qualified technician to carry out all required operations checking in particular disconnection of gas water and electrical supplies INSTRUCTIONS MANUAL Make sure that the present man...

Страница 60: ...esponsibility for eventual printing and or transcription errors in the present manual In order to constantly improve its products Hermann Ltd has the right to change features and data written in the present manual at any time and without notice therefore this manual cannot be considered as a contract towards third parties 09 2005 COD 982180005 REV 007 UKENG ...

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