74
P12 /P15 /P18
10. Operating and Monitoring Systems 10.
34 Heating element, overheating protection (elec):
monitors the water level in the heating camber
41 Thermal sensor, cage housing inlet:
Monitors the air inlet temperature
35 Pressure gauge, steam pressure (elec):
for visual inspection of the steam working
pressure and tightness (shows a negative value
when cooled off)
42 Sight-glasses tanks 1+ 2:
You can read off the liquid level on the
scale.
36 Pressure control switch, steam chest (elec):
Controls the distillation heater
43
44
Limit switch on the loading door:
Monitors the closing and locking of the
loading door.
37 Safety valve, steam heater (elec):
Opens when the permissible pressure is
exceeded
45 Filter pressure gauge, Economy filter 1:
Visual inspection of the filter pressure.
38 Aeration valve, steam heater (elec):
Aeration when filling the heating chamber with
water
46 Sight-glass, filter circuit:
For observing the flow and clearing of the
detergent solution.
39 Safety thermostat, air heater (elec):
Safety against overheating with the electrically
heated machines.
47 Loading door window:
Observe the sign for the filling quantity.
Visual inspection of cage movement
40 Thermal sensor, air heater (elec):
Sensor from safety thermostat 39
48 Main switch:
Rotary switch for separating the machine
from the electrical power system.
49 0-bar (0 psi) switch:
Releases the loading door for opening.
50 0.1-bar (1.4 psi) switch:
Opens the aeration valve.
- Overfill sensor, disposal vessel: *
Prevents an overfilling of the disposal
vessel.
- Unbalance switch: *
Monitors the maximum movement of
unbalance
* Option
to points 8 and 9
The cooling water controllers should be subjected to a regular function test.
When the machine is not in operation cooling water feed must be cut off by means of a stop valve to
be fitted on site.
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