To Completely Remove The Burner Unit; To Remove The Gas Tap/F.s.d & Solenoid Assembly; To Remove The Piezo Generator; To Remove The Main Burner Elbow Injector - Valor COSYFLAME TURBOCHIM 528 Installer's Manual

Fig. 47
Fig. 48

To Completely Remove The Burner Unit

• Remove the ceramics, remove the front cover castings,
• Detach the burner wiring loom connection at the right side of
•
To Remove The Gas Tap/F.S.D & Solenoid Assembly.
• Remove the burner unit as described above.
• Disconnect the electrode lead from tab underneath the electrode.
• Undo the thermocouple nut at the gas tap.
• Disconnect the inlet pipe at the solenoid junction.
• Disconnect the main burner pipe at the tap end.
• To gain access to the pilot pipe connection, detach the fan switch bracket from
the burner control bracket by removing two screws (see figure 49).
•
Disconnect the pilot pipe at the tap end.
• Pull off the control knob.
• Remove the gas tap fixing nut.
• Disconnect the two burner wiring loom leads from the solenoid unit.
• Disconnect the earth lead from the solenoid unit.
• Pull the tap & solenoid unit clear.
•
To separate the tap from the solenoid, detach the solenoid unit at the gas tap end
• Replace in the reverse order.

To Remove The Piezo Generator

• Remove the gas tap, FSD & solenoid unit as described above.
• Make sure that the tap is in the off position.
• Remove the circlip holding the piezo unit to the tap.
• Remove the piezo unit.
• Replace in the reverse order.

To Remove The Main Burner Elbow Injector

• Detach the burner unit from the fire box as described above.
• Disconnect the main burner pipe from the elbow injector. If necessary, loosen the
pipe at the gas tap end to swing the pipe clear of the injector.
• Unscrew the elbow injector from the support bracket.
• Refit in the reverse order. Make sure that no leads are trapped.

To Remove an "On" or "Off" Switch

• Detach the fan switch bracket from the burner control bracket by removing two
screws (see figure 49). Carefully pull clear of the burner unit.
• Detach the two leads from the switch which is to be removed.
• Press in the plastic spring grips at the ends of the switch and pull the switch clear of
the bracket.
• Replace in the reverse order. Make sure the correct leads go to each switch (see
wiring diagram figure 29). Make sure that no leads are trapped.
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disconnect the appliance at the isolating valve, and detach the
burner unit from the fire box.
the burner (see figure 48).
Refit in the reverse order. Make sure no leads are trapped.