How To Drain The Dosatron; Connecting The External Injection; Adjusting The Injection Rate - dosatron D 45 RE 3000 Manuel D'utilisation

HOW TO DRAIN THE DOSATRON (In case of freezing temperature)
- Turn off the water supply.
- Remove the injection assembly, see § CHANGING THE MOTOR PISTON.
- Unscrew the pump body nut (Fig. 10-C) by hand.
- Disconnect the water inlet and outlet fittings.
- Release the upper pump body (Fig. 10-P) from the wall support and remo-
ve it.
- Pull out the complete motor piston assembly (Fig. 10-M).
- Empty the upper pump body.
IMPORTANT: The reassembly must be done by inserting the motor piston
partially into the lower pump body (step 1) (carefully insert the lips of the
motor piston) and partially into the upper pump body (step 2), taking care
not to damage the pump body seal (Fig. 10-N).
- Step 3 : Then assemble and tighten the pump body nut by hand
(Fig. 10-C).
- Refit the injection part assembly, but not without having cleaned or repla-
ced its sealing.
These steps must be imperatively respected each time the motor piston is
handled.
M
Fig. 10
© DOSATRON INTERNATIONAL / 38
C
N
CONNECTING THE EXTERNAL INJECTION (IE)
Fig. 11
If the DOSATRON has
already been used, plea-
se imperatively refer to
chapter PRECAUTIONS.
ADJUSTING THE INJECTION RATE (with pressure off)
IMPORTANT !
Use no tools
ADJUSTMENT MUST BE MADE
WHEN THERE IS NO PRESSURE IN
THE DOSATRON
- Close the water supply and let the
pressure drop to zero.
- Unscrew the blocking ring (Fig. 12-B).
- Screw or unscrew the adjusting nut
(Fig. 13-D) so as to bring the top of
the nut into line with the desired
injection rate
Tighten the blocking ring (Fig. 12-B).
Model in the drawing : D 45 RE 1.5.
© DOSATRON INTERNATIONAL / 39
For
US models
D
B
Fig. 13
Fig. 12