45
Installation and Servicing
Section 3 - Servicing
SER
VICING
3.22 PUMP HEAD REPLACEMENT
Refer to Section
3.2
Refer to Section
3.3
Refer to Section
2.17
3
2
1.
Drain the boiler.
2.
Disconnect the two electrical leads from the pump.
3.
Remove the 4 allen screws retaining the pump head.
4.
Remove the pump head.
Be aware of water spillage.
5.
Fit the new pump head.
6.
Reassemble.
7.
Refill the boiler.
3
Shown
rotated 90º
1.
Drain down the boiler.
2.
Unplug the electrical lead.
3.
Remove the clip from the flow pipe and remove the
thermistor.
4.
Fit the new thermistor and replace clip.
3.23 FLOW THERMISTOR REPLACEMENT
Refer to Section
3.2
Refer to Section
3.3
Refer to Section
2.17
5.
Reassemble.
6.
Refill the boiler.
2
3
Содержание LOGIC SYSTEM 2 S15
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