MAINTENANCE INSTRUCTIONS
TR05A153.B1107
57
6.7.7 Electric fan
•
Isolate the electricity, water and gas supplies to the
appliance;
•
Disconnect the fan electrical connections
•
Remove the fan bracket fixing screws;
•
Take hold of the fan body and shift it to the right,
then pull it forwards and out of its mounting;
•
Replace the electric fan and reassemble the
components following the above procedure in
reverse order.
•
Switch on the electricity, water and gas supplies
and check the soundness of the joint by measuring
the CO
2
levels;
6.7.8 Expansion vessel
•
Isolate the electricity, water and gas supplies to the
appliance;
•
Drain the central heating circuit of the boiler (see
Section 6.4);
•
Unscrew the vessel pipe coupling;
•
Push the expansion vessel securing tabs outwards
to free the vessel;
•
Lift out the vessel whilst rotating it anticlockwise;
•
Replace the expansion vessel and reassemble the
components following the above procedure in
reverse order;
•
Switch on the electricity, water and gas supplies;
•
Refill the system (see Section 5.2) and check for
any leaks.
Figure 49: Fan assembly
Vessel
securing tab
Expansion vessel
Vessel pipe
Figure 50: Expansion vessel removal
