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  5. Installation, servicing and user instructions manual

Ferroli Domina 102 Installation, servicing and user instructions manual

Summary of Domina 102

  • Page 1

    Appr . Nr . B99.06 a - ce 0461 au 0431 domina 102 c opper w all -m ounted c ombination , g as f ired b oiler for c entral h eating and d omestic h ot w ater p roduction , f an a ssisted , r oom s ealed c ompartment , e lectronic f lame i gnition and c ontrol 3543837/0 - 06/2001 installation, servici...

  • Page 2

    Domina 102 2 ce mark ce mark documents that the ferroli gas appliances comply with the requirement contained in european directives applicable to them. In particular, the appliances comply with the following cee directives and the technical specifi cations provided from them: • gas appliances direct...

  • Page 3

    Domina 102 3 1. Description 1.01 introduction the domina 102 is defi ned as a “room sealed” combination boiler, all air required for combustion is taken from outside the room in which it is installed. It is a new high performance gas fi red heat generator for central heating and domestic hot water p...

  • Page 4

    Domina 102 4 fig. 1 2. Technical and dimensional characteristics 2.01 technical information domina 102 boilers are central heating and domestic hot water heat generators and are produced as standard to function with natural gas or liquid petrolium gas converted. Key 1 - 3/4" central heating fl ow ou...

  • Page 5

    Domina 102 5 n.B. - the gas pressures at the burner and gas fl ows during the central heating phase given in the table refer to nominal boiler output. To reduce this output (where necessary), gas pressure must be reduced until the required output level is reached (see fi gures 4 and 5). During domes...

  • Page 6

    Domina 102 6 2.03 boiler water fl ow diagram 2.02 boiler main components key 5 room sealed compartment 7 gas inlet 8 domestic hot water outlet 9 domestic hot water inlet 10 central heating fl ow outlet 11 central heating return inlet 14 safety valve 16 fan 19 combustion chamber 20 burner assembly 21...

  • Page 7

    Domina 102 7 2.05 pump characteristics the pump head available for circulating the water is given in fi g. 6. N.B. - the pump is factory set at position 3. The pump is a grundfos type 15-50 ups series. Grundfos pump performance graph note - minimum fl ow through boiler heat exchanger at any time sho...

  • Page 8

    Domina 102 8 sizing of additional ex pansion vessels: deduct from the value given in the table the 10 litre vessel supplied. Note: 1. Fill c.H. Installation to min. 1.5 bar. 2. Expansion vessel must be fi tted to central heating return pipe. 3. The standard 10 litre expansion vessel is charged to 1 ...

  • Page 9

    Domina 102 9 3. Installation details gas safety (installation & use) regulations: 1996 in the interest of safety, it is the law that all gas appliances are installed by a competent person in accordance with the above regulations, building regulations/building standards scotland, codes of practice, c...

  • Page 10

    Domina 102 10 central heating detailed recommendations are given in bs6798, bs5449, bs6700 and cp342 part 2. Pipework not forming part of the useful heating suface should be insulated to prevent any heat losses or possible freezing (i.E. In roof spaces or ventilated underfl oor spaces). Drain taps s...

  • Page 11

    Domina 102 11 terminal position fig. 11 clearances: * 600mm minimum clearance for servi- cing access 460 5 min. 5 min. 100 min. 837 600* min. 760 200 min. 363 50 mm fig. 10 p d, e q q l b c a g f l j h h k n n m m q directly below an opening, air brick, (0-7 kw) opening windows, etc. (>7-14 kw) (>14...

  • Page 12

    Domina 102 12 3.01 drilling template (top flue application) select suitable mounting position for boiler, using the template mark fl ue outlet and boiler mounting points. Drill two 10mm holes 90mm deep to accept the wall plugs, fi t wall plugs. Fit two special wall plugs on the wall as described in ...

  • Page 13

    Domina 102 13 3.02 restrictor for boiler operation, the restrictor supplied with the unit must be mounted following the instructions below. Determine the correct size of fl ue restrictor required. Before inserting the fl ue gas duct in the boiler, check that the restrictor fi tted is correct and tha...

  • Page 14

    Domina 102 14 a 90° bend (fi g. 15) is supplied for the horizontal connection of air and fl ue gas pipes. This can be angled towards the chosen wall in degrees of 45°. 3.03 top outlet concentric flue connection 3.03.1 vertical concentric connection 1kwma31y d s l 125 70 50* 30 95 80 80 -3 mm/m Ø60 Ø...

  • Page 15

    Domina 102 15 fig. 16 notes on concentric horizontal installation to locate the centre of the hole for passing the pipes through the wall, refer to fi g. 12b. Bear in mind that the two concentric pipes must slope downwards away from the boiler at a rate of about 3 mm/m to avoid rainwater entering th...

  • Page 16

    Domina 102 16 fig. 18 Ø80 Ø80 air flue 1 2 3.04 top outlet: two pipe flue system 3.04.1 two pipe connection two separate ducts Ø80 for air intake and fl ue gas discharge can be directly connected to the boiler. For conversion mount the separate outlet kit 1 to top outlet (see 3.03) insert blanking p...

  • Page 17

    Domina 102 17 air flue v ertical horizontal v ertical horizontal description male-female flue/air pipe 1 m - Ø 80 female-female bend 45 ° Ø 80 m male-female bend 90 ° Ø 80 m dscription horizontal flue terminal Ø 80 mm air intake terminal Ø 80 mm outlet flue/air inlet for concentric system Ø 100/60 m...

  • Page 18

    Domina 102 18 for further accessories please refer to: "flue system manual for room sealed boiler" example of calculation for wall inlet/outlet with 2 pipe system maximum total fl ue length: 50 metres attention: remove the fl ue diaphragm. The fl ue + air pipes must have a 3% drop away from the boil...

  • Page 19

    Domina 102 19 3.05 connecting the central heating and domestic hot water circuits connect to the relevant connections as indicated in fi g. 1. Connect the pressure relief valve discharge pipe (15mm) to the outside of the building, where possible over a drain. The discharge must be such that it will ...

  • Page 20

    Domina 102 20 when the boiler is connected to an electricity main, it is essential to observe correct polarities (live: brown cable, neutral: blue cable, earth: yellow-green cable). All wiring must conform to current i.E.E. Regulations. Note: if the power supply cable has to be replaced, use “0.75mm...

  • Page 21

    Domina 102 21 terminals for integral clock situated on circuit board compartment existing wiring 3.13 time clock fi xing (optional) - remove outer case by removing two securing screws from the rear bottom corners and lift off. - remove screw securing facia panel and swing facia panel down. - remove ...

  • Page 22

    Domina 102 22 4. Commissioning and testing 4.01 checks to be carried out before starting up for the fi rst time when starting the boiler up for the fi rst time check: • that the gate valves between the boiler and central heating system are open; • that the central heating system is fi lled and vente...

  • Page 23

    Domina 102 23 5. Adjustment and gas conversion 5.01 adjusting the pressure and fl ow rate to the main burner this boiler operates on the fl ame modulation principle. It has two fi xed pressure values, minimum and maximum, which must be as shown in the table (pages 5), whichever type of gas is used. ...

  • Page 24

    Domina 102 24 5.04 adjusting maximum output for central heating system (fi g. 23) this adjustment must be carried out electronically using the “p3” adjustment screw starting with a cold central heating system. Connect a pressure gauge to the pressure test point downstream of the gas valve. Rotate th...

  • Page 25

    Domina 102 25 6. Maintenance and cleaning the following operations must be carried out by corgi registered engineers only. 6.01 annual servicing the following should be checked at least once a year: • water pressure in the central heating system when cold should be about 1 bar. If this is not the ca...

  • Page 26

    Domina 102 26 16. Clean heat exchanger with a soft brush. 17. Re-assemble baffl e, fl ue hood and fan assembly, secure with screws previously removed. 18. Refi t burner assembly and burner rail. 19. Reconnect ignition and fl ame rectifi cation leads. 20. Reconnect gas union and tighten. 21. Refi t c...

  • Page 27

    Domina 102 27 7. Replacement of parts 7.01 initial procedure a) the boiler is cold, electricity supply is isolated, and the gas supply is turned off at the inlet of the boiler b) for replacement of parts where water connections are broken, it will be necessary to isolate and drain either or both the...

  • Page 28

    Domina 102 28 7.05 air pressure switch (fi g. 27) • isolate electricity • remove outer case (two screws bottom rear corners) • open room sealed department • remove the two screw "a" fi xing air pressure switch • disconnect electrical leads "b" • remove pressure sensing tubes (white=d; red=c) • note ...

  • Page 29

    Domina 102 29 7.09 removal of burner (fi g. 29) • isolate gas and electricity supplies • remove outer case (two screws bottom rear corners) • remove room sealed cover • disconnect ignition and fl ame rectifi cation leads "a" • undo gas rail union "b" • undo two screws securing the burner assembly to...

  • Page 30

    Domina 102 30 7.13 spark or fl ame detection electrode (fi g. 31) • isolate gas and electricity supply • remove outer case (two screws bottom rear corners) • open room sealed compartment and combustion chamber • identify electrode from fi g. 31 • unplug electrical connection "a" from sensing electro...

  • Page 31

    Domina 102 31 7.15 pump (fi g. 33) replacement of pump head • isolate electricity and fl ow and return pipes • remove casing (two screws bottom rear corners). • remove the two securing screws and lower control panel • release pressure from boiler via pressure relief valve • unplug the pump lead "a" ...

  • Page 32

    Domina 102 32 8. Fault finding before beginning any fault fi nding ensure that gas, water and electricity are available. Warning: do not link any terminals on block x10 or x11 as this will damage the pcb beyond repair. 8.01 operating sequence with the power established the boiler is in its stand-by ...

  • Page 33

    Domina 102 33 in order, the fi ve lights indicate: 1 boiler on indicate 2 boiler shut down warning 3 domestic hot water circuit on 4 central heating standby (flashing light) central heating circuit on (permanent light) 5 insuffi cient pressure in central heating system (flashing light) electric powe...

  • Page 34

    Domina 102 34 8.04 temperature sensors (thermistors) identical, but individual, negative temperature co-effi cient (ntc) thermistors are fi tted in the c.H. And d.H.W. Outlets from the heat exchanger. As the water temperature increases the resistance in the thermistor decreases. This causes the pcb ...

  • Page 35

    Domina 102 35 8.10 general test and fault fi nding chart 1 check electrical supply - c.H. Water pressure and frost protection is led5 on? Put main switch to on ch selector to summer “ ” position d.H.W. Taps closed is 230v present across terminals x1-1 x1-2? Check and if necessary replace 2a fuse yes...

  • Page 36

    Domina 102 36 chart 2 check domestic hot water operation check and if necessary replace dhw sensor no is led3 on? Open dhw taps dhw flow rate at least 2,5 litre/min? Check cold water inlet pressure check and if necessary replace flow sensor is led4 flashing? No is relay ry100 switch on? No yes check...

  • Page 37

    Domina 102 37 chart 4 check fan/fl ue gas system does fan run? Is relay ry100 switch on? No go to charts 2-3 no is 230v present across fan terminals? Yes check air pressure switch wiring connection in n.O. No check and if necessary replace air pressure switch no check and if necessary replace fan ye...

  • Page 38

    Domina 102 38 chart 6 check ignition system is led1 light on? Does sparking start at burner? Does burner light? Yes is led2 on after 10 seconds? No yes go to chart 5 reset lockout yes does burner light now? Is flame present before lockout condition? No yes no check and if necessary replace safety th...

  • Page 39

    Domina 102 39 jp01 on = delay between shutdown and re-ignition disabled jp01 off = delay between shutdown and re-ignition enabled jp02: jumper on for natural gas jumper on for lpg jp03 on = max temperature d.H.W. 62°c jp03 off= max temperature d.H.W. 55°c (standard) potentiometer adjustment p1 = cen...

  • Page 40

    Domina 102 40 key 16 fan 32 ce n tr a l he ati n g pump 3 4 ce n tr al he ati n g fl ow temper atur e s e n so r 4 2 d ome sti c ho t w ater fl ow temper atur e se nso r 4 3 a ir pr e ss ur e sw it ch 44 g a s va lv e 4 9 s a fet y therm os ta t 50 ce n tr al he ati n g limit therm os ta t 6 2 t ime...

  • Page 41

    Domina 102 41 fig. 37 10. User instructions key description a switch off/on/reset b central heating flow temperature regulation c d.H.W. Temperature regulation d water pressure gauge e time clock (option) bar reset off on 0 5 1 2 3 4 6 bar a b c d ° c ° c e burner on indicator boiler shut down warni...

  • Page 42

    Domina 102 42 frost protection in cold weather the boiler may appear to run when there is no demand for heating (i.E. Clocks or room thermostats turned off). This is due to the central heating sensor going into frost protection mode. Once the boiler has reached 14°c or more it will close down until ...

  • Page 43

    Domina 102 43 time clock a 24 hour time clock is fi tted to the boiler to control the central heating, this will come into operation when the selector switch is turned to the position marked “heating timed and hot water”. Auto + - r over ride x x a b e r d p auto p o i f p to set time of day 1. Slid...

  • Page 44

    Phone numbers: installer service engineer because of our constant endeavour for improvement details may vary slightly from those quoted in these instructions. Lichfi eld road, branston industrial estate, burton upon trent, staffordshire de14 3hd tel. 08707 282 885 - fax 08707 282 886 all specificati...