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  5. Installation, Maintenance And User Instructions

Ferroli TEMPRA 12 Installation, Maintenance And User Instructions

Manual is about: wall-hung, gas-?red, system boiler, for central heating

Summary of TEMPRA 12

  • Page 1

    Tempra 12 - 18 wall-hung, gas-fi red, system boiler, for central heating installation, maintenance and user instructions cod. 3543724/6 - 05/2005 tempra 12: g.C. N° 41-267-11 tempra 18: g.C. N° 41-267-12.

  • Page 2: Tempra 12 - 18

    2 tempra 12 - 18 this symbol indicates “warning” and is placed near all warnings regarding safety. Such provisions must be strictly adhered to so as to avoid danger and damage to persons and property. This symbol highlights a note or an important warning. • carefully read the warnings in this instru...

  • Page 3: Tempra 12 - 18

    3 tempra 12 - 18 1. Operating/user instructions ...................................................................4 1.1 introduction ............................................................................................................4 1.2 control panel .........................................

  • Page 4: Tempra 12 - 18

    4 tempra 12 - 18 1. Operating/user instructions 1.1 introduction dear customer, thank you for having chosen the tempra 12/18, an advanced-concept ferroli wall-hung boiler featuring cutting-edge technology, high reliability and constructional quality. Please carefully read this manual and leave it wi...

  • Page 5: Tempra 12 - 18

    5 tempra 12 - 18 1.2 control panel to access the control panel, open the drop down cover. 0 5 1 2 3 4 6 c e a b d pos. Description a off/on/reset switch b central heating temperature setting c water pressure gauge d domestic hot water storage temperature setting (with optional kit) e clock position ...

  • Page 6: Tempra 12 - 18

    6 tempra 12 - 18 before calling the service centre, check that the problem is not due to no gas or mains power supply. Table 2 boiler locked-out led problem solution check if the gas isolation valve upstream of the boiler and on the counter are open. Turn knob “a” fig. 1 to “reset” and then release ...

  • Page 7: Tempra 12 - 18

    7 tempra 12 - 18 2. Installation 2.1 general instructions this appliance must only be used for the purposes it has been specifically designed for. This appliance is used to heat water to below boiling temperature at atmospheric pressure and must be connected to a central heating and/or hot warm dist...

  • Page 8: Tempra 12 - 18

    8 tempra 12 - 18 fixing to the wall for top flue connections. Select suitable position for boiler, using the template mark flue outlet and boiler mounting points. Drill two 10 mm holes 70 mm deep to accept the wall plugs. Fix the wall bracket to the wall using standard lock nut (m8) on both sides. M...

  • Page 9: Tempra 12 - 18

    9 tempra 12 - 18 2.3 water connections the heat capacity of the appliance should be established in advance by calculating the heating requirements of the building according to the standards in force. For correct operation and long-life of the boiler, the hydraulic system must be suitably proportione...

  • Page 10: Tempra 12 - 18

    10 tempra 12 - 18 water treatment if water treatment is used ferroli ltd recommend only the use of fernox or sentinel water treatment products, which must be used in accordance with the manufacturers instructions. For further information contact: fernox manufacturing co. Ltd. Sentinel division tande...

  • Page 11: Tempra 12 - 18

    11 tempra 12 - 18 room thermostat warning: the room thermostat must have 230v live contacts. Standard systems for a general pipe layout and wiring diagram on the “s” and “y” plan systems please see fig. 6a, 6b, 6c and 6d. 2.5 electrical connections connection to the mains power supply the boiler sho...

  • Page 12: Tempra 12 - 18

    12 tempra 12 - 18 tempra 12/18 “s” plan pipe layout wiring diagram ferroli tempra boiler 12/18 d.H.W. Zone valve a.A.V c.H. Zone valve to ensure a passage of 6ltrs per minute an automatic by-pass must be fitted. (building regulation part l) 10 9 8 7 6 5 4 3 2 1 tempra 12/18 junction box e n e l dive...

  • Page 13: Tempra 12 - 18

    13 tempra 12 - 18 tempra 12/18 “y” plan pipe layout ferroli tempra 12/18 auto air vent to ensure a passage of 6ltrs per minute an automatic by-pass must be fitted. (building regulation document l april 2001) “y” plan valve wiring diagram 10 9 8 7 6 5 4 3 2 1 tempra 12/18 junction box n l 1 2 3 4 5 6...

  • Page 14: Tempra 12 - 18

    14 tempra 12 - 18 Ø replacing the restrictor to install or change the restrictor, remove the fan unit, remove the flue gas connecting pipe 1 (as shown in fig. 8a) and insert the diaphragm 2 (as shown in fig. 8b). Type 60/100 length up to: 1 bend + 1 metre 1 bend + 3 metres 1 bend + 3 metres 1 bend +...

  • Page 15: Tempra 12 - 18

    15 tempra 12 - 18 connection using concentric flue for side outlet or roof outlet concentric air/flue gas pipe can be connected directly to the top of the boiler, or a special back flue outlet kit is available for rear outlet. Numerous accessories are available upon request for the various different...

  • Page 16: Tempra 12 - 18

    16 tempra 12 - 18 sloped tile 1kwma82u concentric adapter 60/100 1kwmr52a max. 4m extension 60/100 1kwma56u 160 240 950 50 max. 4 mt roof terminal 1kwma83u 950 53 50 950 50 1000 125 10 vertical outlet for installation (top flue connection): 1. Define the position for the installation of the applianc...

  • Page 17: Tempra 12 - 18

    17 tempra 12 - 18 fig. 11b fig. 11c fig. 11d take off the four screws which fix the back plate on sealed chamber, remove and rotate the plate through 90° and fit it to the top of the boiler to cover the original flue outlet. Secure it in place with the four screws removed previously. Remove fan moun...

  • Page 18: Tempra 12 - 18

    18 tempra 12 - 18 fig. 11m 3. Gently pull back until wall seal is flush with the wall. Fig. 11l 2. Push through the outer flue. Fig. 11i 1. Core drill 127mm hole (5"). Fig. 11n 4. Place wall plate on outer flue ensuring it is level. Mark and drill four holes, two top, for expanding bolts and two bot...

  • Page 19: Tempra 12 - 18

    19 tempra 12 - 18 4 5 6 2 3 air flue gases 110 160 Ø100 Ø60 ref. 1 2 3 4 5 6 n° pieces 1 1 1 1 33 1 bend Ø80 air pipe horizontal Ø80 air pipe wind-protection terminal t adaptor vertical Ø80 flue stack + connecting pipe description equivalente pressure drop 1,5 m 1,0 m 2,0 m included 33,0 m 4,0 m 41,...

  • Page 20: Tempra 12 - 18

    20 tempra 12 - 18 pipes and fittings reduction table air flue v ertical horizontal v ertical horizontal description male -fem ale flue Ø80 male -fem ale bend 45 ° Ø80 male -fem ale bend 90 ° Ø80 air terminal of inlet pr otection Ø80 outlet flue air inlet for connection with split end Ø80 1 1 1 2 1,2...

  • Page 21: Tempra 12 - 18

    21 tempra 12 - 18 p d, e q q l b c a g f l j h h k n n m m q flue terminal positions directly below an opening, air brick opening windows, etc. Above an opening, air brick, opening windows, etc horizontally to an opening, air brick, opening windows, etc.) below gutters, soil pipes or drain pipes bel...

  • Page 22: Tempra 12 - 18

    22 tempra 12 - 18 in out c f e b a d key a pressure test point upstream b pressure test point downstream c protection screw d minimum pressure adjustment screws e maximum pressure adjustment screws f pressure compensation pipe 3. Service and maintenance 3.1 settings all the adjustment and conversion...

  • Page 23: Tempra 12 - 18

    23 tempra 12 - 18 fig. 16a adjustments on the electronic board follow the indications shown in the figure to access the electronic board. Potentiometer position and functions p1 = central heating temperature adjustment p2 = factory set - do not adjustment p3 = heating output adjustment p4 = gas pres...

  • Page 24: Tempra 12 - 18

    24 tempra 12 - 18 adjusting the maximum heating output (not normally required) this adjustment may only be performed electronically using the adjustment potentiometer “p3”, starting with cold heating system. Connect a suitable pressure gauge to the pressure test point b located on the gas valve; tur...

  • Page 25: Tempra 12 - 18

    25 tempra 12 - 18 if, after correctly having performed the ignition operations, the burners do not ignite and the shut- down warning light is on, wait around 15 seconds and then turn knob “a” (fig. 1) to the reset posi- tion and release it. The control unit will be reset and will repeat the ignition...

  • Page 26: Tempra 12 - 18

    26 tempra 12 - 18 opening the casing to open the boiler casing: 1 using a screwdriver, completely remove the 2 screws, “a” 2 open the control panel “b” by pulling down 3 unscrew the 2 screws “c” 4 remove the casing “d”. Fig. 19 c d b fig. 18 a d air flue gases cleaning the boiler and the burner the ...

  • Page 27: Tempra 12 - 18

    27 tempra 12 - 18 3.4 replacement of parts 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: Tempra 12 - 18

    28 tempra 12 - 18 gas valve (fig. 23) • 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 connection "d" on...

  • Page 29: Tempra 12 - 18

    29 tempra 12 - 18 removal of burner (fig. 26) • 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 the...

  • Page 30: Tempra 12 - 18

    30 tempra 12 - 18 spark or flame detect electrode (fig. 28) • isolate gas and electricity supply • remove outer case (two screws bottom rear corners) • open room sealed compartment and combustion chamber • identify electrode from fig. 28 • unplug electrical connection "a" from sensing electrode • re...

  • Page 31: Tempra 12 - 18

    31 tempra 12 - 18 is led5 on? Put main switch to on ch selector to summer “ ” position is 230v present across terminals x1-1 x1-2? Check and if necessary replace 2a fuse yes is led5 on now? Repair external wiring fault no no replace main board no yes does fan run at full speed? Go to chart 2 no yes ...

  • Page 32: Tempra 12 - 18

    32 tempra 12 - 18 flow diagram 2 checking central heating operation wait 2 minutes put ch temperature selector to maximum ensure external controls are calling for heat is led4 flashing? Does ch pump run? Yes yes go to chart 4 is relay ry101 switch on check and if necessary replace main board no is l...

  • Page 33: Tempra 12 - 18

    33 tempra 12 - 18 is led1 light on? Does sparking start at burner? Does burner light? Yes is led2 on after 10 seconds? No yes go to chart 4 reset lockout yes does burner light now? Is flame present before lockout condition? No yes no check and if necessary replace safety thermostat check electrodes ...

  • Page 34: Tempra 12 - 18

    34 tempra 12 - 18 105 175 25 95 165 720 124 85 400 115 13 36 160 155 36 98 3 5 1 155 124 85 110 160 Ø100 Ø60 top view bottom view 16.5 270 98 4. Characteristics and technical specifications 4.1 dimensions and fittings fig. 30 key 1 central heating outlet 2 gas inlet 3 central heating inlet.

  • Page 35: Tempra 12 - 18

    35 tempra 12 - 18 4.2 overall view and main components key 5 sealed compartment 7 gas inlet 10 central heating outlet 11 central heating inlet 14 safety valve 16 fan 19 combustion chamber 20 burner assembly 21 main nozzle 22 burner 26 combustion chamber insulation 27 copper heat exchanger 29 flue ga...

  • Page 36: Tempra 12 - 18

    36 tempra 12 - 18 0 5 1 2 3 4 6 98 63 145 8 14 81 9 32 56 20 44 7 82 49 34 5 87 27 22 19 29 16 31 50 43 fig. 32 4.3 hydraulic diagram key 5 - room sealed compartment 7 - gas supply 8 - central heating flow outlet 9 - central heating return inlet 14 - safety valve 16 - fan 19 - combustion chamber 20 ...

  • Page 37: Tempra 12 - 18

    37 tempra 12 - 18 4.4 technical data table gas supply pmax pmin nominal heat input (net) nominal heat input (gross) nominal heat output output pmax pmin kw 12,0 5,0 kw 14,8 6,4 kw 13,3 5,8 dimensions, weights, fittings depth mm 270 width mm 400 height mm 720 hot water capacity litres 0,8 expansion v...

  • Page 38: Tempra 12 - 18

    38 tempra 12 - 18 4.5 diagrams pressure - output diagrams tempra 12 tempra 18 kw mbar 15 16 17 18 19 20 5 10 15 20 25 30 35 6 7 8 9 10 11 12 13 14 5 21 22 23 24 25 g31 (lpg) g31 (lpg) g20 (natural gas) g20 (natural gas) legenda 1 - 2 - 3 = pump switch positions a = boiler pressure drop discharge hea...

  • Page 39: Tempra 12 - 18

    39 tempra 12 - 18 4.6 wiring diagram fig. 34 x6 x1 x2 x3 x4 1 21 21 3 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 11 12 13 2 1 x5 test x12 1 2 1 2 3 4 5 6 7 8 9 x10 w o v r x8 x7 81 82 pmf03f jp02 jp01 jp03 nat/lpg x11 230v 24v 230v 24v br blue br blue br blue mv1 mv2 mv3 mv4 blue br blue br br blue r...

  • Page 40

    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...

  • Page 41: Service Interval Record

    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...

  • 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...