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BAYARD 

10 BFEPV 

13 BFEPV 

OPERATION 

THE OPERATION OF THIS APPLIANCE IS THE SAME AS THAT FOR THE BAYARD 

10 CFPV & 13 CFPV.  FOR INFORMATION,  REFER TO PAGE 2 OF THIS SECTION. 

MAINTENANCE 

ENSURE THE APPLIANCE IS ELECTRICALLY SAFE ALL TIMES 

FRONT CASE REMOVAL 

1. Pull off the control knobs.

2. Unscrew the  three  retention  screws  (above

the water flow control and  top and bottom

of the unit).

3. Pull the case forward and off.

NOTE:  This  is  a  sealed  case  therefore  when

replacing the case, ensure that the unit is air

tight.

BALANCED FLUE TERMINAL REMOVAL 

The flue terminal can be removed  from the front 

case by unscrewing the four retention screws, 

Fig.1. 

BALANCED FLUE(Fig 1) 

GAS VALVE AND WATER SECTION, REMOVAL. 

1. Turn off the gas and water supplies.

2. Remove the front case and drain 

the 

unit.

3  Unscrew  the  pilot  supply  pipe  retention

bracket and remove pipe and bracket. 

4  Unscrew  the  burner  manifold  retention 

screws and lift off the manifold. 

5  Remove  the  scre

.

ws  which  retain  the  gas 

section to the rear case. 

6  Disconnect the four water connections  from 

the water section. 

7  Disconnect the gas supply connection. 

8  Ease the complete assembly downwards  and 

lift away. 

Page 10 

1.

Flue exhaust

2.

Heat exchanger

3.

Sealing gasket

Main burner 

5.

Gas control

6.

Gas section

7.

Water flow control

8.

Water section

9.

Piezo assembly

10.

Water regulator 

drain

MAIN 

COMPONENTS (Fig.2) 

Summary of Contents for Bayard 10 CFPV

Page 1: ...ode spark gap 3mm L P P L P B 82 0 105 0 17 4 22 7 0 74 0 78 0 15 2750 2500 QI u I Qj s Chaffoteauxpiezo Part No 20267 Chaffoteaux spark electrode Part No 34239 FLAME SAFEGUARD Thermo electric flame failure system Open circuit test is 15 mV minimum BURNER 10 CFPV Model 12 bar 12 injector stainless steel burner 13 CFPV model 14 bar 14 injector stainless steel burner A G A Approval No 3460 10CFPV 34...

Page 2: ...ally open and on reaching the MAXIMUM position Fig 2 be fully open By rotating this knob between maximum and minimum the gas rate to the burner can be varied By turning on a hot water tap the main gas valve water diaphragm operated will open and allow gas to the main burner The water flow through the unit can be controlled by the water control knob situated beneath the gas control knob Fig 3 NOTE ...

Page 3: ...EEN APPROVED QI T G T L P to N G g REFER TO REPLACEMENT PARTS FOR N G SUBSTITUTES 5 Fit N G burner injectors or the complete N G manifold 0 C 2 a 0 V QI u o1 QI c D QI L 15 a 1 Remove the front case 2 Remove pilot bracket and pilot supply pipe 3 FitN G pilot injector 4 Remove the two screws from the burner manifold and withdraw the manifold 6 Unscrew the gas governor from top of gas section and re...

Page 4: ...oat N G 60746 21 Gas float T G T l P 60747 22 Float holder N G 60468 22 Float holder T G T L P 25367 26 Main valve spring N G 61275 26 10PV Main valve spring L P P 46722 26 13PV Main valve spring L P P 26928 30 10PV Main valve N G 60780 30 10PV Main valve L P P 46724 30 13f V Main valve N G 60757 30 13PV Main valve L P P 37042 33 Side spring 44371 34 Side valve N G 42727 34 Side valve L P P 34624 ...

Page 5: ...re can be no risk of the terminal falling It is recommended that a length of cord or string be secured to the terminal to prevent any risk of damage to the terminal the building or to persons in the vicinity FITTING THE UNIT The unit is attached to the wall by two bolts at the top and two bolts at the bottom A further optional fixing bracket is provided for installations where the wall adjacent to...

Page 6: ...embly Piezo Magnetic valve Top cover water diaphragm 10BF Diaphragm spindle 13BF Diaphragm spindle Electrode Thermocouple Operating cam l0BF Burner 13BF Burner 10BF Burner manifold assy 13BF Burner manifold assy 10BF Water section 13BF Water section Water diaphragm Water regulator Slow ignition valve PART NO 36246 36732 14044 54618 6 48171 6 56319 56314 49378 42728 60468 25367 61275 38474 39222 60...

Page 7: ...rk gap 3mm Chaffoteaux Piezo Part No 20267 Chaffoteaux spark electrode Part No 34239 FLAME SAFEGUARD Thermo electric flame failure system Chaffoteaux thermocouple Part No 35087 Open circuit test is 1SmV minimum BURNER 10 BFEPV model 12 bar 12 injector stainless steel burner 13 BFEPV model 14 bar 14 injector stainless steel burner A G A Approval No 3707 10BFEPV 3845 13BFEPV Approved for N G T G T L...

Page 8: ... the front case by unscrewing the four retention screws Fig 1 BALANCED FLUE Fig 1 GAS VALVE AND WATER SECTION REMOVAL 1 Turn off the gas and water supplies 2 Remove the front case and drain the unit 3 Unscrew the pilot supply pipe retention bracket and remove pipe and bracket 4 Unscrew the burner manifold retention screws and lift off the manifold 5 Remove the scre ws which retain the gas section ...

Page 9: ...ews already fitted to the rear case The appliance is attached to the wall by a single screw fitted into the securing bracket and two retention screws fitted into the lower rearcase Fig 3 Using the appliance as a template locate it onto the wall i the r qui eJ fJv icivn a d mar i he fixing holes Drill and plug the wall and fasten the top and bottom screws into position NOTE Where inlet water pressu...

Page 10: ...oat holder N G Main valve spring N G Main valve spring T GJ T L P 10BFE Main valve 13BFE Main valve Thermocouple Electrode Valve gasket Side valve Side spring Operating cam Pilot valve assembly Piezo 10BFE Diaphragm spindle 13BFE Diaphragm spindle Top cover water diaphragm Magnetic valve 10BFE Water section 13BFE Water section Water diaphragm Water regulator Slow ignition valve PART i 0 56418 4817...

Page 11: ...lve malfunction venturi diaphragm etc Pilot flame or the flame direction incorrect Main burner tracking and or lighting ports blocked Slow ignition device faulty Gas escape within appliance Water in gas supply Gas valve malfunction Water valve malfunction Heat exchanger blocked or holed Primary aeration restricted Injectors incorrect Fault in flue system REMEDY Check supply at meter and gas cock R...

Page 12: ...ger sooted Thermo electric valve malfunction O ring s seals or gaskets leaking Waterconnectionsloose Pinhole in heat exchanger coil Water section screws loose Diaphragm fitted incorrectly REMEDY Clean rectify malfunction or replace valve Clean rectify malfunction or replace De scale heat exchanger Adjust gas pressure Investigate water supply see below Investigate remove restriction Clean venturi o...

Page 13: ...side air and doesn t rob the room of oxygen Its twin flow admission exhaust sealed construction is connected to outside air through a suction cup terminal piece fitted onto the outer face of the wall There is no need for a conventional flue ...

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