45
11) Secure the pump motor bracket with the two thumbscrews.
12) Reconnect the pump motor connector and float switch connector.
13) Replace the front insulation and front panel in their correct positions.
14) Turn on the power supply.
17. THERMISTOR
1) Turn off the power supply.
2) Remove the panels.
3) Disconnect the connector of the thermistor lead (orange).
4) Remove the ties, insulation, thermistor holder, and thermistor in this order.
5) Remove the old sealant from the thermistor holder and suction pipe.
6) Wipe off any moisture or condensation from the suction pipe surfaces.
7) Press a tube of the sealant KE4560RTV, manufactured by Shin-Etsu Silicones, to the
recess of the thermistor holder. Slowly squeeze the sealant out of the tube and spread it
smoothly in the recess. Do not use any sealant other than the above.
8) Attach the new thermistor in position on the suction pipe and press down the thermistor
holder over the thermistor. Be careful not to damage the thermistor lead. Cover the parts
with the insulation and secure them with the ties. Keep the thermistor inside the
thermistor holder. After the thermistor holder is fitted, do not pull the thermistor lead to
move the thermistor.
9) Refit the removed parts in the reverse order of the removal procedure.
10) Turn on the power supply.
