Ch Water Pressure Switch Replacement; Flow Thermistor Replacement - IDEAL LOGIC CODE COMBI ESP1 26 Installation And Servicing

3.29 CH WATER PRESSURE SWITCH REPLACEMENT

1. Refer to Section 3.8.
2. Drain the boiler. Refer to Section 3.21.
3. Pull off the two electrical connections.
4. Using a suitable tool, pull out the metal retaining clip.
5. Carefully withdraw the pressure switch.
6. Fit the new pressure switch and re-assemble in reverse order.
7. Refill the boiler.
8. Check operation of the boiler. Refer to Sections 2.22 & 2.23.

3.30 FLOW THERMISTOR REPLACEMENT

1. Refer to Section 3.8.
2. Drain down the boiler. Refer to Section 3.21.
3. Unplug the electrical lead.
4. Unscrew the thermistor (to facilitate removal a
13mm socket spanner should be used).
5. Fit the new thermistor using the sealing
washer provided.
6. Reassemble in reverse order.
7. Refill the boiler. Refer to Section 2.15.
8. Check the operation of the boiler. Refer to
Sections 2.22 & 2.23.
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Installation and Servicing