38
SERVICING INSTRUCTIONS
REPLACING PARTS
To change the gas valve:
9.1 Disconnect the pilot pipe.
9.2 Disconnect the thermocouple, interrupter leads and
the interrupter block.
9.3 Remove the 2 x M4 nuts securing the valve to the front of
the bracket.
9.4 Disconnect the gas injector pipe.
Note - make a note of the location in the interrupter
block of the lead with the red tag marking.
9.5 Carefully pull the valve and bracket forward making sure
there is no damage to the wires.
Note: To ease this process the control box can be pulled to
one side for access.
9.6 Disconnect the valve lead.
To do this insert a screwdriver into the locking mechanism
and pull out the lead, See Diagram 26.
AR2505
26
9.8 Remove the 2 fixing nuts and earth lead.
9.9 Replace the valve and refit into the appliance following this
section in reverse order ensuring:
9.10 The earth cable ring tag is positioned between the valve
body and the bracket.
9.11 The interrupter leads are connected correctly with the red
tag lead nearest to the gas valve body.
9.12 The touchpad lead locates in the tab on the control box
and is not trapped behind the fixings.
10. MAGNETIC SAFETY VALVE
To replace the magnetic safety valve:
10.1 Undo the thermocouple from the interrupter block and
remove the two interrupter leads.
10.2 Unscrew the interrupter block from the back of the valve.
10.3 Undo the silver magnetic valve retaining nut on the back
of the valve.
10.4 Gently tap out the mag valve.
10.5 Replace with a new unit.
10.6 Reassemble in reverse order ensuring that the interrupter
leads are connected correctly with the red tag lead nearest
to the gas valve body.
10.7 Check for leaks.
11. CONTROL BOX
11.1 Undo the two screws securing the control box to the control
assembly bracket.
11.2 Disconnect from the control box:
— Ignition lead
— Thermo current cables
— Earth connection
— 7-way stepper motor plug
— The battery power supply cable
— The touch pad control cable
Refer to Diagram 27 for details.
Ignition lead
27
Earth Connection
Stepper Motor
Harness
Interrupter Set
Cables
AR2510
Touch Pad
Supply Cable
Battery Power
Supply Cable
Remote Handset
Pairing Button
Screw
Screw
11.3 Undo the 2 x screws holding the control box (see Diagram
27). The control box can now be replaced.
(48 Seiten)
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