Spare Parts - Saunier Duval ISOFAST CONDENS F 35 E Instructions For Use Installation And Servicing

INSTALLERS
Replacement of
parts
pipes.
Note : It is not necessary to • Remove the vessel from
drain down entire heating the boiler.
system to carry out this
work. Micro accumulator vessel
Disconnect the flue system. heating element, refer to
Disconnect the boiler diagram 25.
connections pipes . For access, refer to section
Disconnect the pressure "General".
relief valve discharge pipes. For this operation the boiler
Disconnect the mains cable must be removed from the
and any external controls wall, see previous section.
cables. Disconnect the electrical
Lift up to remove the boiler connection plug to the
from the wall. micro accumulator vessel
Locate micro accumulator heating element at the
vessel thermistor, on side of control board PCB
the micro accumulation connection.
vessel. • Release the micro
Disconnect the inline accumulator vessel heating
electrical connection plug to element cable from the
the micro accumulator securing clips, note the
vessel thermistor. routing of the cable for
Pull out to remove the reassembly.
thermistor. • Pull out micro accumulator
vessel heating element.
Micro accumulator vessel,
refer to diagram 25.
For access, refer to section
"General".
For this operation the boiler
must be removed from the
wall, see previous section.
From the rear of the boiler,
disconnect the inline
electrical connection plug to
the micro accumulator
vessel thermistor.
Remove the heating element
electrical cable.
Unscrew the retaining nuts Diagram 26
72
Printed circuit board
(PCB), refer to diagram 26
For access, refer to section
"General".
Gain access to rear of
control panel.
Undo and remove the two
front retaining screws.
Hinge up the control panel
cover and ease forwards
from the rear retaining lugs
to gain access to PCB. Do
not strain the cables
attached to the PCB. Note
the routing of the cables.
• Carefully pull off electrical
connections to PCB.
Unclip and lift out PCB.
Fit replacement PCB in
reverse order to removal. Be
careful not trap any of the
cables.
Make sure that PCB
connections are fully pushed
onto replacement PCB.
Retaining clips
Spare
parts
When ordering spare parts, quote the part number and description, stating the appliance
model number and serial number from the data badge.
Short parts list
No. Description
1 Central heating thermistor
2 Fan
3 Domestic water flow sensor
4 Printed circuit board - Main
5 Pump head
6 System water pressure sensor
7 Gas control valve
8 Overheat thermostat
9 Three way valve
10 Pressure relief valve
11 Heat exchanger
12 Burner
13 Micro accumulation vessel
14 Micro accumulation vessel thermistor
Because of our constant endeavour for improvement, details may vary slightly from those shown in these
instructions.
Part No. G.C. No.
S5739800 •••••••
S152000 •••••••
S5720200 •••••••
S1040000 •••••••
S1024000 •••••••
S5720500 •••••••
S1043900 •••••••
S1040100 •••••••
S1025500 •••••••
S1006700 •••••••
S1041100 •••••••
S1042200 •••••••
S1025000 •••••••
S1027300 •••••••
73