Operating instructions

• 42 •

8.2 - PROPORTIONAL DOSING PUMP TO AN EXTERNAL PULSE

This pump incorporates a microprocessor unit providing for different operating modes:

Manual

1 x n (M)

1 x n

1 : n

For the description of each function, see the following page

8.2.1 - 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.

8.2.2 - TYPICAL INSTALLATION (Fig.19)

A Injection valve

B Power supply

C Filter

D Floating level switch

F Water meter connector

G Level switch connector

H Cable gland

K Pulse emitting water meter

I Chemical tank

S Process tank

DLS-VFT

Fig. 18

Fig. 19