Pfeuffer Sample cleaner MLN - System Control; Limit Switch System; Protective Caps

Safety
Revision 3 | Operating instructions sample cleaner MLN
9 | 38
2.1.2 System control
The system is controlled internally with a supply system, a phase and an earth connection (with
green/yellow covering for the wires).
Test
Interval
Method
y
VI, FT, M
2.1.3 Limit switch system
A limit switch system is used to secure the deawner against unauthorised access during operation:
Locking latch at filler cap.
The deawner can be started only if the filler cap is closed.
Test
Interval
Method
m
VI
2.1.4 Protective caps
During the operation, sample cleaner MLN is protected against interference affecting the machine using
protective caps.
Figure 1: Overview - Protective caps
Item
Name
1
Left sidewall
2
Rear wall
3
Right sidewall
4
Filler cap with locking latch
5
Protective cap - Deawner
Test
Interval
Method
m
VI
4
5
1
2 3