Evo HE C22/24, Инструкция по установке и обслуживанию

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57
SERVICING
evo HE C -
Installation and Servicing
83 BOILER SEALING PANEL SEAL REPLACEMENT
1. Refer to Frame 57.
2. Remove the boiler front and sealing
panels. Refer to Frames 49 & 50.
3. Remove the old seal from the casing
and thoroughly clean the casing
surfaces.
4. Fit the new adhesive seals, note that
they are supplied to the correct length
for the relevant sides.
5. Reassemble in reverse order.
6. Check operation of the boiler. Refer to
Frames 45 & 46.
Note. Ensure that the boiler sealing
panel is correctly sealed,
compressing the seal to make an
airtight joint.
82 EXPANSION VESSEL REPLACEMENT
1. Refer to Frame 57.
2. Drain the boiler. Refer to Frame 77.
3. Unscrew all the gas and water connection unions on the boiler side of the valves.
4. Remove the screw from the turret clamp and remove.
5. Remove the turret.
6. Lift the complete boiler from the wall mounting frame and place on a flat surface, face down, to expose the
expansion vessel.
7. Unscrew the union nut on the vessel water connection pipe.
8. Unscrew the 2 screws from the securing clamp and remove.
9. Remove the expansion vessel.
10. Fit the new expansion vessel.
11. Reassemble in reverse order.
12. Refill the boiler. Refer to Frame 36.
13. Check operation of the boiler. Refer to Frames 45 & 46.
Note.
If preferred, and for convenience, a new expansion vessel may be installed elsewhere in the heating system,
providing it ensures equivalent system protection.
SER
VICING