background image

The  display  then  changes  to  the  further

programme.  Repeat  the  same  opera-

tions to set the successive programmes.

At the end of the programming. Move the

selector to the

“RUN”

position.

Cancelling one or more 

programmes

(fig. 7)

The  programmed  switch-on  time  and

switch-off  time  must  be  cancelled  for

each  individual  programme  by  moving

selector (2) to the 

“P”

position. 

Select the required programme with but-

ton  (3),  press  button  (4)  to  cancel  the

settings  for  that  day  (the  triangular  day

indicator should disappear).

If  a  part  of  the  programme  is  cancelled,

when  selector  (2)  is  returned  to  the

“RUN”

position,  an  error  message  will

appear on the clock display together with

an  indication  of  the  incorrect  program-

me. To cancel all the programmes,  move

the selector to the

“P”

position and press

buttons (3) and (5) simultaneously.

Setting the “SKIP” function

(fig 7)

The  SKIP  function  defused  the  program-

mes  when  going  out  for  the  day,  during

which no heating is required.

To  start  this  function,  press  button  (7);

the button is only active when selector (2)

is in the 

“RUN” 

position.

Once  selected,  the  SKIP  function  beco-

mes active at 0:00 of the following day

and lasts for 24 hours. 

Once  activated,  it  cannot  be  defused.

Consequently  the  normal  programme

will only be resumed after 24 hours.

94

KEY
1 Manual/automatic operation selector
2 Programmer/timer setting selector
3 Programme button
4 Day button
5 Hour button
6 Minute button
7 SKIP function button
8 Reset button

Fig. 6

Fig. 7

Summary of Contents for FORMAT 25 BF

Page 1: ...for the outlet of the products of the combustion is unobstructed and has been pro perly installed Make sure that any shutoff valves are open Make sure that the system is charged with water and is tho...

Page 2: ...h electronic ignition and modulation natural draught FORMAT 25 BF 30 BF with electronic ignition and modulation room sealed forced draught The instructions given in this manual are provided to ensure...

Page 3: ...1 1 CH setting range C 40 80 40 80 40 80 40 80 D H W setting range C 40 60 40 60 40 60 40 60 D H W flow rate EN 625 l min 10 5 12 7 10 5 12 7 Continuous D H W flow rate t 30 C l min 11 1 13 6 11 1 13...

Page 4: ...n pump 11 Expansion vessel 12 Safety valve 13 Boiler discharge 14 Flowmeter 15 Thermomanometer 16 Automatic by pass 17 D H W filter 18 C H return cock optional 19 C H flow cock optional 20 D H W cock...

Page 5: ...her makes optional The kit code 8093900 is supplied comple te with mounting instructions 2 3 CONNECTING UP SYSTEM Before proceeding to connect up the boiler you are recommended to make the air cir cul...

Page 6: ...smokes coo ling in particular if located outside the building or in unheated ambiences Be set at an adequate distance from combustible or easily inflammable mate rial by means of an air gap or suitabl...

Page 7: ...han 78 KEY 1a b Coaxial duct kit code 8084805 2a Extension L 1000 code 8096100 2b Extension L 500 code 8096101 3 Vertical extension L 200 with take off point code 8086908 4 Supplementaty 90 elbow code...

Page 8: ...H2O vers 30 For head losses in the fittings refer to Table 2 79 TABLE 2 Accessories 80 Head loss mm H2O 25 version 30 version Inlet Outlet Roof outlet Inlet Outlet Roof outlet 90 elbow MF 0 30 0 40 0...

Page 9: ...xceed 7 00 mm H2O 25 vers and 11 00 mm H2O 30 vers When calculating the lengths of pipe take into account the parameters given in the Table 2 80 Fig 13 120 80 160 KEY 1 Sponge rubber gasket 125 95 2 F...

Page 10: ...emove the front panel and the two screws that anchor the control panel to the sides see point 4 7 The panel will tilt forward at a sufficient angle to allow access to the components To remove the prot...

Page 11: ...as valve coil EV2 Gas valve coil EA Ignition electrode ER Sensing electrode A SIT 503 control box TS 100 C safety stat TF Smoke stat FL Flowmeter P Circulation pump VP Divertor valve TAG Antifreeze st...

Page 12: ...nals 22 23 2 10 5 25 OF 30 OF wiring diagram with HONEYWELL control box Fig 20 b KEY EV1 Gas valve coil EV2 Gas valve coil EA Ignition electrode ER Sensing electrode A HONEYWELL S4565CF control box TS...

Page 13: ...read with the temperature set on the potentio meter The adjustment range is between 40 and 60 C When the heating flow sensor is at 75 C the electronic limiter will trip and switch off the burner The b...

Page 14: ...uent re ignition will depend on a tempe rature difference of 3 C detected by the SM sensor heating flow sensor ATTENTION It is essential that the opera tions described above be carried out by authoriz...

Page 15: ...Y DEVICE This is a safety device against possible smoke emission into the ambience 14 fig 3 The safety device goes into action by blocking operation of the gas valve when the return of the smoke into...

Page 16: ...tore TA 22 23 L N TA TA1 P R P1 R1 CIRCUITO CON VALVOLE DI ZONA CIRCUITO CON POMPE DI ZONA Fig 26 KEY TA TA1 Zone room stat VZ VZ1 Zone gas valve R R1 Zone relay CR CR1 Zone microvalve or relay contac...

Page 17: ...mini mum values are factory set Consequently they must not be altered Only when you switch the appliance from one type of gas supply methane to another butane or propane it is permitted to alter the...

Page 18: ...ater potentiometer knob set to the maximum the hot water tap turned on and the burner lit hold nut 3 locked in place and simulta neously turn nut 2 using a fixed 7 wrench to identify the minimum pres...

Page 19: ...of the boiler Unscrew the connection 1 and the lock nut 5 Remove the bracket and the expansion vessel 4 NOTE Before refilling the system using a pressure gauge attached to the valve 3 make sure that...

Page 20: ...he control box is faulty replace it Gas valve fails to modulate in D H W and C H modes The sensor is interrupted replace it The modulator has a break in winding replace it Check that the current to th...

Page 21: ...ure that the requi red temperature is kept constant With the rotary switch in the winter position once the boiler has reached the value set on the heating potentiome ter it will start to modulate in a...

Page 22: ...entive maintenance and checking of the efficient operation of the equipment and safety devices must be carried out exclusively by the authorized technical staff The boiler is supplied with an electric...

Page 23: ...the clock display together with an indication of the incorrect program me To cancel all the programmes move the selector to the P position and press buttons 3 and 5 simultaneously Setting the SKIP fun...

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