Potterton Suprima 100, Инструкция по установке и обслуживанию

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To Service the Boiler & Component Replacement - Page 24
Unscrew the
front insulation
securing screws
3 off
S
U
P
0
0
7
5
B
3-4mm Spark
Gap
Ear t h
Lead
Electrode
Lead
Lip for retaining
the front insulation
Remove
the front
insulation
4.3.1 Electronic Control Board
Gain General Access - See 4.1
1. Remove the securing screw and allow the control panel
to pivot forwards.
2. Disconnect all connectors and wires, unscrew the four
securing screws and remove the board.
3. On re-assembly refer to the wiring diagram when re-
connecting wires and connectors.
4.3.2 Air Pressure Switch
Gain General Access - See 4.1
1. Remove the securing screw and allow the control panel
to pivot forwards.
2. Note the wire connections and disconnect the wires to
the air pressure switch.
3. Remove the screw (access through the fan
compartment) securing the air pressure switch to the
chassis.
4. Re-assemble in reverse order, ensure that the Normally
Closed (N.C) terminal is shrouded.
4.3.3 Electrode
Gain General Access - See 4.1
1. Pull the electrode lead off the electrode, remove the
securing screw and remove the electrode.
2. On re-assembly check the gap between the electrode tip
and the burner face. It should be 3 - 4mm. If required
adjustment can be made by careful use of pliers.