41
icos system condensing -
Installation and Servicing
SERVICING
70 PUMP HEAD REPLACEMENT
1.
Refer to Frame 51.
2.
Remove the boiler bottom panel. Refer to Frame 43.
3.
Drain the boiler. Refer to Frame 69.
4.
Swing the control panel down into the servicing
position. Refer to Frame 45.
5.
Disconnect the electrical lead from the pump.
6.
Remove the 4 Allen screws securing the pump head.
7.
Remove the pump head.
8.
Fit the new pump head.
9.
Re-assemble in reverse order.
10.
Check operation of the boiler. Refer to Frame 51.
69 DRAINING THE BOILER
1.
Refer to Frame 51.
2.
Remove the boiler bottom panel. Refer to Frame 43.
3.
Close all the water isolating valves on the piping frame.
4.
Attach a length of hose to the drain point and open the
drain valve.
5. After replacing any component on the boiler, close the
drain valve, remove the hose and open all system
isolating valves before proceeding to check operation of
the boiler.
isolating valve
(shown closed)
Isolating valves
Drain point
Drain valve
2104
TO OPEN
Pump head
Electrical
lead
Ecl 2047
6
SER
VICING
Содержание icos system m3080
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