Glow-worm 30ci Plus - Manual (Page 48)

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Diagram 20.10 USER INTERFACE BOARD
➜
11424
20 Replacement of Parts
➜
➜
230V CONTROLS BOARD
MAINS
SWITCH
➜
➜
CONTROL PANEL
10212
➜
Diagram 20.11
9823
PUMP
HEAD
PUMP
ELECTRICAL
CONNECTION
BOX
HEX HEAD SCREW (4 OFF)
20.17 User interface board, refer to diagram
20.10.
Before starting refer to the front of Section 20 Important
information.
• Unclip control panel user interface and hinge forward . Do not
strain the cables.
• Disconnect the electrical connections from the user inter face
board.
• Remove the user inter face board retaining screw .
• Remove the user inter face board.
20.18 230V Controls board, refer to diagram
20.10.
Before starting refer to the front of Section 20 Important
information.
• Unclip control panel user interface and hinge forward . Do not
strain the cables.
• Disconnect the electrical connection from the 230V controls
board.
• Remove the 230V controls board retaining screw.
• Remove the 230V controls board.
20.19 Mains switch, refer to diagram 20.10.
Before starting refer to the front of Section 20 Important
information.
• Unclip control panel user interface and hinge forward . Do not
strain the cables.
• Remove the mains switch.
• Disconnect the electrical connections from the mains switch.
20.20 Central heating pump head, refer to
diagram 20.11.
Before starting refer to the front of Section 20 Important
information.
• Remove the front panel, refer to Section 17.3.
• Lower the control panel, refer to Section 17.4.
• Drain down central heating water circuit of the boiler only,
refer to relevant part of diagram 20.1.
Note: it is not necessary to drain down the entire heating
system to carry out this work.
• For ease of access if required remove the right hand side
panel, refer to Section 17.6.
• Undo four head fixing screws and remove pump head.
• Gain access to the pump electrical connection box and remove
cover.
• Disconnect pump cable from pump (avoid straining cables).
• Connect electrical connection to replacement pump head.
• Fit replacement pump head.
20.21 Filling system tap, refer to diagram
20.12.
Before starting refer to the front of Section 20 Important
information.
• Remove the front panel, refer to Section 17.3.
• Lower the control panel, refer to Section 17.4.
• Drain down the hot water circuit only, refer to relevant part of
diagram 20.1.
• Pull of the filling loop tap extension.
• Pull out slotted metal clip securing tap into housing, remove
tap.
• Pull out slotted metal clip and remove pipe from tap.