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1 Safety instructions
1.8.3
O
sensor (lambda sensor)
2
The O
2
signal of the O
The O
2
fan.
Risk of burns, the O
Before removal check the temperature of the O2 sensors, always wear gloves during
work.
Clean with a soft cloth or blow off with compressed air. When blowing off maintain a
distance of 20cm to prevent damage to the sensor.
1.8.4
Emergency stop button and maintenance switch for drive mo-
tors
Position emergency stop buttons:
The customer can provide emergency stop buttons on the access doors and escape
routes to the heating room that can be integrated into the control cabinet front. Actu-
ating the emergency stop button stops the system controlled by Schmid AG energy solu-
tions.
Position of the maintenance switches to the electrical drive motors:
Immediately near the corresponding gear motors. When carrying out maintenance work
on the drive motor or the corresponding display element, actuate the maintenance
switch and secure against unauthorised activation.
Operation of the system with defective technical safety control devices is prohibited. The
device status must be checked daily and the function of the devices must be checked
every six months. Defective devices must be replaced and not bridged.
Underfeed grate UTSP
1.10 en
sensor is a sensor that measures the residual oxygen content in the flue gas. The
sensor can affect the combustion air or the fuel quantity.
2
sensor must be removed before cleaning the flue gas connection or the flue gas
i
WARNING!
sensor is hot.
2
D-15
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