TGB-40/60 Wartungsanleitung

TGB-40/60 Maintenance instructions
Safety instructions
Carry out the following steps before carrying out any
maintenance work.
• Switch OFF the system ON/OFF switch on the Wolf gas
fired boiler.
The mains terminals are ‘live‘ even when the
ON/OFF switch has been switched OFF.
• Switch OFF the emergency stop switch (or remove
fuses).
ON/OFF switch
Control unit overview
• Close the gas shut-off valve.
• Close the shut-off valves on the heating flow and
return, and drain the water from the boiler.
• Remove the front panel and protect it from damage.
Risk of burns
Several components may be hot. Let these cool down or
wear gloves.
Dismantling the combustion chamber unit
2 x top toggles
• Remove the combustion chamber housing after releasing
the toggles.
Combustion chamber casing 2 x bottom toggles
Gas fired condensing boiler with front casing removed
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