Appr . Nr . B98.0 1 a - ce 0063 a t 4967 installation, service and user instructions ferroli f24 gas combination boiler for central heating and hot water production, wall mounted, copper heat exchanger, fan assisted, room sealed, electronic fl ame ignition and control cod. 35440 15/2 - 05/2005 g.C. ...
Ferroli f24 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 specifications provided from them: • gas appliances direct...
Ferroli f24 3 1. Description 1.01 introduction the ferroli f24 is defined 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 fired heat generator for central heating and domestic hot water p...
Ferroli f24 4 fig. 1 top view distance between connections 178 190 270 bottom view 272 760 249 98 60 95 36 60 95 460 100 727 114 160 100 25 150 25 84 80 80 120 70 120 150 11 0 5 3 4 2 1 2. Technical and dimensional characteristics 2.01 technical information ferroli f24 boilers are central heating an...
Ferroli f24 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 dome...
Ferroli f24 6 2.03 boiler water fl ow diagram out in min air in air in flue out c.H. Out d.H.W. Out gas in d.H.W. In c.H. In fig. 3 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 flow outlet 11 central h...
Ferroli f24 7 2.04 central heating adjustment (not normally required) to adjust boiler heat input (thus also regulating heat output to the central heating water) simply adjust the main burner via the electronic control board (fig. 4 and 5 and see paragraph 5.04 page 29). The diagrams indicate the va...
Ferroli f24 8 fig. 8 pressure loss diagram sizing of additional expansion vessels: deduct from the value given in the table the 8 litre vessel supplied. Note: 1. Fill c.H. Installation to min. 1.5 bar. 2. Expansion vessel must be fitted to central heating return pipe. 3. The standard 7 litre expansi...
Ferroli f24 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, ...
Ferroli f24 10 fig. 9 central heating detailed recommendations are given in bs6798, bs5449, bs6700 and cp342 part 2. Pipework not forming part of the useful heating surface should be insulated to prevent any heat losses or possible freezing (i.E. In roof spaces or ventilated underfloor spaces). Drai...
Ferroli f24 11 clearances: * 600mm minimum clearance for servicing access top clearance only applies to 100Ø concentric flue system 460 5 min. 5 min. 100 min. 900 200 min. 272 50 mm 600* min. 760 fig. 11 terminal position fig. 12 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, ...
Ferroli f24 12 1. Ch flow 2. Safety valve 3. Domestic hot water outlet 4. Gas supply 5. Domestic hot water inlet 6. Ch return Ø3/4" Ø1/2" Ø1/2" Ø1/2" Ø1/2" Ø3/4" 200 Ø118 150 min 65 5 min 183 min 200 min 970 min 269 110 1 2 3 4 5 6 3.01 drilling template (top flue application) select suitable mounti...
Ferroli f24 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 flue restrictor required. Before inserting the flue gas duct in the boiler, check that the restrictor fitted is correct and that ...
Ferroli f24 14 3.03 top outlet concentric flue connection 3.03.1 vertical concentric connection fig. 16 a vertical connector can be supplied for vertical discharge with concentric pipes. The simple mounting and use of double lip gaskets at the joints makes this an extremely easy and safe option. For...
Ferroli f24 15 fig. 17 notes on concentric horizontal installation to locate the centre of the hole for passing the pipes through the wall, refer to fig. 13b. 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...
Ferroli f24 16 fig. 19 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 flue gas discharge can be directly connected to the boiler. For converson to top outlet (see 3.05) mount the separate outlet kit 1 insert blanking pl...
Ferroli f24 17 air flue v ertical horizontal v ertical horizontal description male -fem ale flue Ø80 female -fem ale bend 45 ° Ø80 female -fem ale bend 90 ° Ø80 male -fem ale bend 90 ° Ø80 pipe fitting m/m/f Ø80 with inspecting plug+trap for condensate drainage system description air terminal of inl...
Ferroli f24 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: 48 metres attention: resistance of flue restrictor (if req.) is included (see table on page 13) remove the fl...
Ferroli f24 19 3.05 for installation (back flue connection): for direct back flue connection it is necessary to use the optional kit 1kwmr81a, and it is required to alter the fan direction inside the boiler. Follow carefully next procedure: b b a a fig. 24b fig. 24c fig. 24d remove fan by pulling of...
Ferroli f24 20 boiler mounting plate 149 178 131 fig. 25 fig. 24h fix with the screws (b). Refit wiring connections to fan and air pressure switch tubes ensuring correct orientation. I.E. Red tube to air pressure switch connection with red dot (+) and clear tube to air pressure switch connection wit...
Ferroli f24 21 drilling template (rear flue application) select suitable mounting position for boiler, using the template mark flue outlet and boiler mounting points. Drill two 10mm holes 90mm deep to accept the wall plugs, fit wall plugs. Fit two special wall plugs on the wall as described in the f...
Ferroli f24 22 back fl ue outlet (diagram 1-9) fig. 27a fig. 27b fig. 27c 1. Core drill 127mm hole (5"). 2. Push through the outer flue. 3. Gently pull back until wall seal is flush with the wall. Fig. 27d 4. Place wall plate on outer flue ensuring it is level. Mark and drill four holes, two top, fo...
Ferroli f24 23 fig. 27h fig. 27i 8. Install the inner metal flue into the outlet, up to the wallplate flange mark. 9. Lift boiler with flue in place, engage inner and outer flue, slide into position 9. Make sure the inner flue is fully engaged in the flue terminal, secure boiler with two nuts and wa...
Ferroli f24 24 3.06 connecting the central heating and domestic hot water circuits connect to the relevant connections as indicated in fig. 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 ...
Ferroli f24 25 3.10 electrical connection the boiler must be connected to a single phase 230 v 50 hz electricity supply with a 3 a max. Fuse and a bipolar switch with contact opening of at least 3 mm fitted between the boiler and the electricity supply. The boiler must always be connected to an effi...
Ferroli f24 26 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 first time check: • that the isolation valves between the boiler and central heating systems are open; • that the central heating system is filled and ...
Ferroli f24 27 • check that the gas valve modulates correctly both during the central heating phase and the domestic hot water production phase. • determine the combustion efficiency and the composition of the flue gases (refer to 6.04) • if any of the above are not correct refer to technical data (...
Ferroli f24 28 fig. 29 5.03 adjustment potentiometers + - + - p2 dhw + - p3 + - p5 + - p4 p1 ch 5.04 adjusting maximum output for central heating system (fig. 29) this adjustment must be carried out electronically using the “p3” adjustment screw starting with a cold central heating system. Connect a...
Ferroli f24 29 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 c...
Ferroli f24 30 19. Reconnect ignition and flame rectification leads. 20. Reconnect gas union and tighten. 21. Refit combustion chamber cover, secure with screws. 22. Examine seals on room sealed cover refit cover and secure with screws. 23. Turn on gas and electricity. 24. Fire boiler and check all ...
Ferroli f24 31 7. Replacement of parts 7.01 initial procedure a) ensure 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 ...
Ferroli f24 32 fig. 33 7.05 gas valve (fig. 33) • isolate gas and electricity supplies • remove outer case (two screws bottom rear corners) • remove the two securing screws and lower control panel • disconnect electrical connections from valve ("a") • disconnect plastic tube "c" • loosen the connect...
Ferroli f24 33 7.08 removal of burner (fig. 36) • isolate gas and electricity supplies • remove outer case (two screws bottom rear corners) • remove room sealed cover • disconnect ignition and flame rectification leads "a" • undo gas rail union "b" • undo two screws securing the burner assembly to t...
Ferroli f24 34 7.12 spark or fl ame detect electrode (fig. 38) • isolate gas and electricity supply • remove outer case (two screws bottom rear corners) • open room sealed compartment and combustion chamber • identify electrode from fig. 38 • unplug electrical connection "a" from sensing electrode •...
Ferroli f24 35 7.14 pump (fig. 40) replacement of pump head • isolate electricity and flow 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" f...
Ferroli f24 36 8. Fault finding before beginning any fault finding 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 ...
Ferroli f24 37 in order, the five 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 insufficient pressure in central heating system (flashing light) electric power...
Ferroli f24 38 8.04 temperature sensors (thermistors) identical, but individual, negative temperature co-efficient (ntc) thermistors are fitted 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 t...
Ferroli f24 39 8.09 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 ye...
Ferroli f24 40 chart 2 check domestic hot water operation chart 3 check central heating 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 meter is led4 flashing? N...
Ferroli f24 41 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 no check and if necessary replace air pressure switch no check and if necessary replace fan yes is ai...
Ferroli f24 42 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 6 reset lockout yes does burner light now? Is flame present before lockout condition? No yes no check and if necessary replace safety t...
Ferroli f24 43 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 = ce...
Ferroli f24 44 key 16 fan 32 central heating pump 34 central heating flow temperature sensor 42 domestic hot water flow temperature sensor 43 air pressure switch 44 gas valve 49 safety thermostat 50 central heating limit thermostat 62 time clock key br brown blue blue bl black w white o orange g gre...
Ferroli f24 45 fig. 43 10. User instructions the boiler is designed for use with two types of gas: natural gas ng or propane (lpg). The type of gas can be selected when purchasing the boiler or the appliance can be converted later on site by a competent person. It operates with technologically advan...
Ferroli f24 46 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...
Ferroli f24 47 time clock a 24 hour time clock is fitted 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...
Benchmark controls to comply with the building regulations, each section must have a tick in one or other of the boxes time & temperature control to heating room t/stat & programmer/timer programmable roomstat time & temperature control to hot water cylinder t/stat & programmer/timer combi boiler he...
Service interval record it is recommended that your heating system is serviced regularly and that you complete the appropriate service interval record below. Service provider. Before completing the appropriate service interval record below, please ensure you have carried out the service as described...
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 specificatio...
