IDEAL Logic+ Combi 24 Installation And Servicing page 51

57 USeR ContRol PCb RePlACeMent
note. Fit the earth strap provided with the PCB
to your wrist and a suitable earth on the boiler
chassis.
1. Refer to Frame 45.
2. Remove the main PCB, refer to Frame 56.
3. Unclip the PCB and lift to clear the mounting
posts.
4. Fit the new PCB ensuring the 4 potentiometer
spindles line up with the control knobs which
must be in a vertical position.
5. Reassemble in reverse order.
6. Check operation of the boiler. Refer to Frames
32-36.
4
PCB
Control Knobs (to be in vertical position)
58 dHW floW tURbine SenSoR RePlACeMent
1. Refer to Frame 45.
2. Drain the DHW system. Refer to Frame 59.
3. Pull off the electrical connection.
4. Using a suitable tool, lift and remove the
retaining clip.
5. Use the clip to ease the turbine sensor from its
housing.
6. Re-assemble in reverse order.
7. Check operation of the boiler. Refer to Frame
32-36.
+
Ideal Logic Combi -
SERVICING
Installation and Servicing
4
3
3
Potentiometer spindle
5
51