Ferroli Domina Plus F 24-30 E Technical Manual Download Page 1

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Supplied By www.heating spares.co Tel. 0161 620 6677

DOMINA PLUS F 24-30 E

FERELLA EXTRA F 24-30 MEL

Wall-Mounting Gas

Boiler with antifreeze

for tap water

Airtight Chamber, for

Hot Water and Heating

TECHNICAL

MANUAL

EDITION

092002

Summary of Contents for Domina Plus F 24-30 E

Page 1: ...w heating spares co Tel 0161 620 6677 DOMINA PLUS F 24 30 E FERELLA EXTRA F 24 30 MEL Wall Mounting Gas Boiler with antifreeze for tap water Airtight Chamber for Hot Water and Heating TECHNICAL MANUAL EDITION 09 2002 ...

Page 2: ...General view and main components 8 1 4 Technical data table 10 2 Hydraulic circuit heating 11 2 1 Hydraulic circuit heating 11 2 2 Hydraulic circuit tap water 15 2 3 Gas circuit 17 2 4 Burner unit 21 2 5 Fume circuit 23 2 6 Electrical circuit 27 3 Operation 30 3 1 Operating principle 30 3 2 Operating diagram 32 3 3 Control panel 33 3 4 Adjustments 35 3 5 Operating parameter adjustment 38 4 Unit se...

Page 3: ...cally and continually governed to ensure a fast delivery and comfort under all operating conditions The display continuously provides information on the unit s operating status and it is easily possible to obtain additional information on the sensor temperatures set points etc or configure them Any operating trouble associated with the boiler or system is immediately signalled by the display and i...

Page 4: ...ion 09 2002 1 2 Dimensions and connections Domina Plus F 24 E version 114 95 60 60 95 36 100 Connections axis 720 725 Connections axis 100 270 460 160 25 10 175 100 150 120 120 70 110 80 80 80 460 1 2 3 4 5 Key 1 Systemdelivery 2 Tapwateroutlet 3 Gas inlet 4 Tapwaterinlet 5 Systemreturn Top view Bottomview ...

Page 5: ...24 30 MEL Version 09 2002 Ferella Extra F 24 MEL version Key 1 Systemdelivery 2 Tapwateroutlet 3 Gas inlet 4 Tapwaterinlet 5 Systemreturn Top view Bottomview 114 95 60 60 95 36 100 Connections axis 720 725 Connections axis 100 270 460 160 25 10 175 100 150 120 120 70 110 80 80 80 460 1 2 3 4 5 ...

Page 6: ...ELLA EXTRA F 24 30 MEL Version 09 2002 Key 1 Systemdelivery 2 Tapwateroutlet 3 Gas inlet 4 Tapwaterinlet 5 Systemreturn Top view Bottomview 733 460 430 362 189 Connections axis 460 120 120 110 80 110 80 80 36 95 60 60 155 54 4 2 3 5 1 200 420 189 175 14 Domina Plus F 30 E version ...

Page 7: ...LA EXTRA F 24 30 MEL Version 09 2002 Ferella Extra F 30 MEL version Key 1 Systemdelivery 2 Tapwateroutlet 3 Gas inlet 4 Tapwaterinlet 5 Systemreturn Top view Bottomview 460 430 362 189 460 120 120 110 80 110 80 80 36 95 60 60 155 54 4 2 3 5 1 200 720 189 175 14 733 Connections axis ...

Page 8: ...ure sensor 43 Air pressure switch 44 Gas valve 49 Safety thermostat 56 Expansion tank 63 Heating temperature setting 73 Antifreeze thermostat 74 System filler cock 81 Ignition electrode 82 Detection electrode 84 1st gas valve operator 85 2nd gas valve operator 90 Fume detection point 91 Air detection point 98 Off On Reset switch 114 Water pressure switch 132 Fume deflector 136 Flow meter 145 Water...

Page 9: ...er 26 Combustion chamber insulation 27 Copper exchanger for heating and tap water 28 Fume manifold 29 Fume outlet manifold 32 Heating circulator 34 Heating temp sensor 36 Automatic air vent 42 Tap water temperature sensor 43 Air pressure switch 44 Gas valve 49 Safety thermostat 56 Expansion tank 63 Heating temperature setting 73 Antifreeze thermostat 74 System filler cock 81 Ignition electrode 82 ...

Page 10: ... bar 0 8 Maximum working pressure in heating bar 3 Maximum working temperature in heating C 90 Electrical protection rating IP 44 Electrical power supply Power voltage frequency V Hz 230 50 Max electrical power absorbed W 125 Hot water circuit connections inches 1 2 Heating system connections inches 3 4 Gas system connection inches 1 2 Weight kg 38 Heating Natural Gas delivery G20 nm3 h 2 73 1 22 ...

Page 11: ... operating logic refer to chap 3 11 10 7 8 9 49 5 34 73 43 56 81 44 32 20 82 27 29 187 16 74 14 114 136 42 R1 R2 R3 R4 Key 5 Airtight chamber 7 Gas inlet 8 Tap water outlet 9 Tap water inlet 10 System delivery 11 System return 14 Safetyvalve 16 Fan 20 Burner assembly 27 Heat exchanger 29 Fume outlet collar 32 Heating circulator 34 Heating temperature sensor 42 Tap water temperature sensor 43 Air p...

Page 12: ...ossible to access the impeller which can be freed with the aid of a screwdriver The connection to the expansion tank and the air separator is installed on the pump casing Checks If the pump doesn t work Check that the impeller is free to turn by turning the screw on the front with a screwdriver Check that both the card and the pump connection are powered If there is no power supply check the card ...

Page 13: ...pper laminar assembly It comprises a thickly finned portion three circular pipes containingtheheatingwaterand insidethem anotherthreepipesintheformofaspiralcontainingthetapwater The heating water exchanges directly with the burnt gases while the tap water does not have this kind of exchange it receives heat indirectly from the water in the three heating pipes In this way the surface of the coil do...

Page 14: ...eatingdeliveryandthetapwateroutlet Itisnotfitted on the boiler for some markets such as the British and Belgian ones Check valve This is necessary to ensure no water returns from the heating system to the tap water circuit Safety valve It opens if the pressure exceeds 3 bars making boiler operation safer and protectingitagainstoverpressure Youarestronglyrecommendednottousethis valvetodrainthesyste...

Page 15: ...ntheexchanger avoidingsuddenchangesintemperature The boiler is equipped with 4 heating elements and an antifreeze thermostat in order to protect the tap water pipes if the temperature drops under 6 C The heating elements heat the pipes up to a temperature of 15 C measured by the thermostat Key 5 Airtight chamber 7 Gas inlet 8 Tap water outlet 9 Tap water inlet 10 System delivery 11 System return 1...

Page 16: ...t to prevent foreign bodies damaging it It should be remembered that to turn on the boilerfortap wateroperation thetap waterpressuremustbeatleast0 25bars and the draw flow rate must be greater than 2 5 l min Check To check it works properly you need to make sure the flow rate is at least 2 5l minandthentestthesignaltotheelectriccardwithafrequencymeter This makes it possible to understand whether t...

Page 17: ...me outlet collar 32 Heating circulator 34 Heating temperature sensor 42 Tap water temperature sensor 43 Air pressure switch 44 Gas valve 49 Safety thermostat 56 Expansion tank 73 Antifreeze thermostat 74 System filler cock 81 Ignition electrode 82 Detection electrode 114 Water pressure switch 136 Flow meter 187 Fume diaphragm R1 R2 R3 R4 Antifreeze heating elements 11 10 7 8 9 43 56 81 44 32 20 82...

Page 18: ... between 25 and 54V DC according to the need of the main card Checks Ifthevalvedoesn twork The only possible check is to see whether gas comes out of the screw B at theratedpressurewhensettingtheboileron test withtheboileratfullpower see Test Functions chap 3 1 Modulation The control system governs its boiler capacity so as to keep the delivery temperature constant in accordance with the settings ...

Page 19: ...t and anticlockwise to increase it Set knob 2 on maximum clockwise Adjust the maximum pressure with the screw E clockwise to increase it and anticlockwise to decrease it Reconnect the pressure compensation tube F Put the protection screw C back in N B The test lasts 5 minutes It is advisable to open 1 or 2 taps to get rid of the excess capacity C IN OUT F E B A D COMMON 25 50V DC 80 110V DC Key A ...

Page 20: ...as to that for which the unit is preset has to be used a conversion kit will be required proceeding as follows 1 Replacethenozzlesatthemainburner inserting the nozzles specified in the technical data table according to the type of gas used 2 Using the remote control edit parameter 3 of the boiler parameter menu 3 Adjust the burner minimum and maximum pressures setting the values given in the techn...

Page 21: ...withstands high temperatures and oxidation Its base is composed of a ceramic composite of glazedaluminawhosepurposeistoprotectandelectricallyinsulateit Oncethe ignitionprocedurebegins thecardpowerstheelectrodewithapulsatingvoltage ofafewkV aseriesofelectricaldischargesissetoffbetweentheelectrodeand the head of the burner set at a distance of 3 5 mm Clearly these sparks are the trigger for the air ...

Page 22: ...takes place homogeneously over the entire length of the single stages with the contribution of the secondary air from the bottom of the burner mount and from the combustion chamber itself Thesetofstagesinoperationformsasinglebeltofflame lightblueincolour whosesizevariesaccording to the nozzle gas pressure that is the boiler capacity modulation Detection electrode Made of the same material as the i...

Page 23: ...e seals while its upper portion is fitted for hooking up with the flues The coverissealedoffwithaporousplateandisfittedwithtwoplugsforusingaprobe to analyse the fumes and combustion air Fan and pressure switch points Powered at 230V 50Hz by the card X11 1 2 the fan has thejobofexpellingtheproductsofcombustionfromthefume chamber Aplateisnormallyplacedabovetheexchangerto act as a deflector make the ...

Page 24: ... Toperform checks on contact opening and closing it is always recommended to check directly on the card X5 3 4 Checks It is necessary to check Whether the electrical connections are correct Whether the pressure test point pipes are clean and contain no condensation water That the signal is open when the fan is not working That the pressure is at least 180Pa and that above this pressure the pressur...

Page 25: ...hin the optimum operating range Note that with low resistance fume ducts a high resistance diaphragm small hole diameter is used and vice versa Choosing the diaphragm using separate pipes Choosingthediaphragmusingcoaxial pipes Type Coaxial 60 100 Length up to 1 bend 1 metre 1 bend 3 metres 1 bend 3 metres 1 bend 4 metres 1 bend 5 metres Diaphragm to use 50 mm No diaph 45 mm 50 mm No diaph Coaxial ...

Page 26: ...nsation getting onto the burner and damaging it If monitoring the condensate trap is notguaranteed itmustbefittedwithasuitabledrainpipeand air trap which in its turn must be appropriately connected to a suitable drain Ref 1 2 3 4 5 6 No Pieces 1 1 1 1 36 1 Air bend Ø80 Horizontal air pipe Ø80 Windproof end piece Condensate collection cup coupling Vertical fume pipe Ø80 Outlet flue coupling Descrip...

Page 27: ... 3 4 5 6 7 8 9 10 11 12 13 X5 1 2 3 4 5 6 7 X3 1 2 X1 X2 X6 2 3 1 4 X12 MV1 MV2 MV3 MV4 73 R1 R2 R3 12 11 10 9 8 7 6 5 4 3 2 1 R4 MF05FD 16 X8 X7 81 82 44 32 43 49 136 42 114 230V 50Hz N L 72 138 139 34 N L Key 16 Fan 32 Heating circulator 34 Heating temperature sensor 42 Tap water temperature sensor 43 Air pressure switch 49 Safety thermostat 72 Room thermostat not supplied 73 Antifreeze thermost...

Page 28: ...rd is a Honeywell DMF05FD part of the card works on low voltage 24V and the remainder on 230V see diagram It is fitted with a fuse 2A There are loads and controls common to the card that have already been described such as Pump Fan Gasvalve Air pressure switch Thereremainsomecomponentsdescribedhereunder Ignition detection electrode see chap 2 4 Burner Unit ...

Page 29: ...g down the boiler It is set on the left hand side of the exchanger by a spring Heating and tap water temperature probe These are NTC sensors that increase their resistance as the temperature decreasesandareconnecteddirectlytothemaincardX4 24V heating12 13 tap water 10 11 The heating sensor performs the antifreeze function too NTC sensor 0 3 6 9 12 15 18 21 24 27 30 33 0 20 40 60 80 100 120 Tempera...

Page 30: ...according to the setting In this passage the remote control can lower the delivery temperature under the setting to maintain the ambient temperature in any case if the ambient temperature exceeds the remote control setting by 1 C the burner switches off and the circulator stays on for post circulation Ifhottapwaterisdrawnoffduringtheheatingphase theelectricalheatingcircuitautomaticallyturnsoffand ...

Page 31: ... 0 to 99 100 indicating the percentage change between the minimum and maximum heating power In the same way with knob 3 you can change the ignition power that will be set immediately Pressing three times in 5 seconds quits the Test function see power adj Test operation can also be used to adjust the gas valve and to analyse the fumes N B To clear the boiler power during Test operation we recommend...

Page 32: ...End of requirement for hot tap water LED 3 OFF Stand by after hot tap water operation LED 4 blinking Delay before starting heating of 2 min SUMMER tap water WINTER heating Hot water taps closed Flow meter off Heating delay of 2 min performed System pressure 0 8 bar Boiler on stand by LED 5 ON Room thermostat heating potentiometer on call Heating required LED 4 ON Heating circulator comes on Heatin...

Page 33: ... andswitch over between Summer Winter see adjustments 3 4 Itisnecessarytosettheheatingtemperaturewiththeremotecontrolifitisconnected on the boiler 3 Hot water temperature setting Use knob 3 to adjust the hot tap water temperature see adjustments 3 4 It is necessary to set the tap water temperature with the remote control if it is connected on the boiler 4 Operating display Indicatestheboileroperat...

Page 34: ...ng to the type of operation L5 L5 L4 L1 L5 L3 L1 L5 L4 blinking L5 L4 blinking L5 L2 L5 L2 blinking Operation LED on Standby Heating Tap water Standby for heating op after tap water op Standby for heating op after heating op Fault 1 restore operation by pressing Reset Fault 2 restore operation by removing fault Heating temp for example 40 C Heating temp for example 60 C Tap water temp for example ...

Page 35: ...ivery setpoint temperature Summer Winter selection For the Summer Winter selection use knob 2 see control panel Turning it onto Summer turns off the heating function Only the hot tap water production is active In this positiontheheatingtemperatureshownonthedisplaywillbe20 C In Summer modetheantifreezefunction stays on Turning it onto Winter with a minimum temperature of 30 C turns on both heating ...

Page 36: ...displayblinksduringthesetting The figure shown on the display indicates the percentage change between the boiler s minimum and maximumpower Thisadjustmentis set on the control panel also with the remote control connected the system must be free of any errors Ignition power adjustment Toadjusttheignitionpower settheboileronTESToperation see Testoperation Duringtheignitionphase the display shows the...

Page 37: ...b 3 see control panel and at the same time keeping the RESET key pressed adjusts the parallel movement of the curves To be able to make these adjustments the boiler must be on standby only LED 5 on If you do not set the compensationcurve leavingiton 0 the boiler cannot work in sliding temperature mode Iftheboilerishookedupwiththeoptionalremotecontrol theaboveadjustments systemtemperature hotwatert...

Page 38: ...ing the menu Position Tap water control selection 0 Instantaneousproductionwithtwinheat exchanger 1 Production with external boiler notapplicable 1 0 3 5 Operating parameter adjustment Boiler parameter adjustment These parameters can only be adjusted with the remote control connected on the card 1 2 3 4 5 6 PROGRAM 1 2 3 4 5 6 7 DAY 1 7 TEMP COPY DAY DAY PROGRAM AUTO MANUAL d TEMP Copy day Days Ch...

Page 39: ...out the remote control the boiler operation corresponds to selecting 1 But it will not be necessary to set the value to 1 Position Selection of modulating timer thermostat timer thermosatOn Offforzonesystems 0 Modulating 1 On Offzonesystems 2 0 Position Natural gas LPG selection 0 Naturalgas 1 LPG 3 0 Selecting the post circulation parameter after a call for heating the pump continues to work for ...

Page 40: ...ition Heating power adjustment Setting 100 range0to100 7 1 0 0 Indicates the percentage difference between the minimum and maximum boiler power Position Adjustment of idle time after switching off heating Setting 2 min range0to10min 8 2 Position Adjustment of idle time after tap water operation Setting 120 sec range0to255sec 9 1 2 0 Position Adjustmentofpowerduringignitionphase Setting 50 range0to...

Page 41: ...02 Position Compensation curve selection Setting 0 adjustment turned off range1to10 1 1 0 Position Compensationcurvefixedpointadjustment Setting 30 range20to40 1 2 30 Used to make a parallel shift of the compensation curve To quit the menu press keys 1 and 3 simultaneously or wait to quit automatically after 1 minute ...

Page 42: ...u to the operating data log menu Storing the last 8 faults The display on the remote control shows the storage sequence of the faults and their code By pressing the i key you can scroll through the numbers of the faults Position 1 indicates the last fault that occurred When there is a fault this is saved at point 1 while the ones already saved are moved on by one place F 0 1 1 F 33 2 F 37 3 F 06 3...

Page 43: ... trouble Interference caused by the electric mains Card microprocessor damaged Safety thermostat trips Damaged thermostat No water circulation in the system Air pressure switch with contacts closed before turning on the fan Air pressure switch contact closed Incorrect wiring to the air pressure switch Display Air pressure switch fails to close the contacts within 60 sec of turning on the fan Air p...

Page 44: ...Supplied By www heating spares co Tel 0161 620 6677 37047 SAN BONIFACIO VR ITALY tel 045 6139411 tlx 480172 fax045 6100233 6100933 code354M011 0 ...

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