IDEAL Systemiser SE, Руководство по установке и обслуживанию

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51
Systemiser SE -
Installation
SERVICING
79 WATER PRESSURE SWITCH REPLACEMENT
1. Refer to Frame 61.
2. Remove the boiler casing. Refer
to Frame 54.
3. Remove the boiler sealing panel.
Refer to Frame 55.
4. Remove the fan assembly. Refer
to Frame 56.
5. Drain the boiler. Refer to Frame
73.
6. Drain the boiler heat exchanger.
Refer to Frame 81.
7. Disconnect the electrical leads
from the pressure switch.
8. Unscrew the switch from the
boss in the bottom of the heat
exchanger, and withdraw it from
the boiler.
9. Fit the new switch, using a
suitable jointing compound, and
re-assemble in reverse order.
10. Check the operation of the
boiler.
80 CH EXPANSION VESSEL REPLACEMENT
1. Refer to Frame 61.
2. Remove the boiler casing. Refer to
Frame 54.
3. Drain the boiler. Refer to Frame 73.
4. Undo the expansion vessel flexible hose
connection.
5. Undo the top retaining bracket screw
and remove.
6. Slide the expansion vessel out of the
support rails.
7. Fit the new vessel and re-assemble in
reverse order.
8. Check the operation of the boiler.
SER
VICING