Kronos 50 Manuel D'installation page 5

3. DIMENSIONS AND DEVICE OVERVIEW
1
1 Housing: upper section
2 Housing: central section
3 Housing: bottom section
4 Control keys
5 LCD display
6 Ball bearing
7 Transparent cover
8 PCB 11
4. DESIGN AND FUNCTIONAL DESCRIPTION
The pump is comprised of two main components:
Driver unit (stepper motor)
•
Liquid end (rotor, rollers and pump hose)
•
Operating unit
The device is housed in a robust plastic housing. The plastic housing is comprised of upper and lower
sections, which are screwed together. The lower section contains the PCBs for power supply and connectors.
The upper section of the housing accommodates the CPU, motor and display PCB with display and buttons.
The liquid end is mounted at the front and is closed off by means of a screwed transparent cover to protect against
injuries. The pump hose can easily be exchanged after the transparent cover has been removed.
The rotary movement of the rotors alternately press and relax pump hose by three rollers . As a result, the liquid is
sucked in and transported through the pressure hose.
The pump is operated by means of the operating unit. The desired metering level and mode are configured with
this. The metering operation is controlled with the operating unit or via and external contact, level input.
0000137630
2 3
15
14
13
12
Rev. 2.0
4
5
11 10
9 PCBs 7
10 Discharge connector
11 Suction connector
12 PCB 9
13 Hose rupture monitoring
14 Pump hose
15 Rotor
6
7
8
9
3