13
Operation and maintenance manual for
Hydrotech Drumfilter HDF501-series
5.2.Control.settings
The control system for the HDF501-series operates with 50 Hz as standard.
If the filter is equipped with a Hydrotech standard control, the filter has two
operation modes:
1. Continuous rotation (HAND mode)
2. Automatic level control (AUTO mode).
Use the selector switch to select operation mode (see
5
in
Figure 5.2
).
Figure 5.2 Hydrotech standard control cabinet (optional)
(The design of the control cabinet is often adapted to each application)
Appendix E
Hydrotech control box (optional)
Identification plate
Connection board
Glass fuse
Motor protector
For pump motor
Motor protector
For filter motor
Level relay
Time relay
Motor contactor
4
Motor contactor
5
Time relay
6
Level relay
7
Motor protection:
Drive motor
8
Motor protection:
Pump
9
Glass fuse
10
Connection board
11
Identification plate
1
Selector switch (Hand/Auto)
2
Pump switch
3
Safety switch
2
3
1
