DLX-MA/AD • DLXB-MA/AD
6.0 - MANUALLY OPERATED METERING PUMP
Flow can be controlled manually by setting the pump pulse rate by means of a potentiometer.
Possibility of a more precise flow rate setting at low frequencies through the two keys 20% and 100%.
6.1 - PUMP CONTROLS (Fig.11)
1 - Switch off button "STOP"
2 - 100% flow scale read out button
3 - Switch on button "START"
4 - Level alarm LED "yellow" (only on version with level alarm)
5 - 100% flow scale read out LED "green"
6 - 20% flow scale read out LED "green"
7 - Pulse LED "red"
8 - Power LED "green"
9 - 20% flow scale read out button
10 - Adjustment knob of Injections/min numbers (0÷100% max flow)
6.2 - TYPICAL INSTALLATION (Fig.12)
A Injection valve
B
Power supply
C Filter
H Cable gland
I
Chemical tank
V Process tank
6.3 - ACCESSORIES
•
1 flexible PVC suction hose,
transparent crystal type, length 2 m;
•
1 semirigid polyethylene hose, white, length 2 m;
•
1 injection valve 3/8 BSP m;
•
1 filter;
•
1 instructions/operating booklet.
•
19
•
Fig. 11
Fig. 12