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Putting the DOSATRON
into order
USING FOR THE FIRST TIME
The DOSATRON may be fitted in its upper part with the function by-pass :
- By-pass in ON, the DOSATRON works and the concentrate is drawn up.
- By-pass in OFF, the DOSATRON is stopped and does not draw up the
product.
- Open the water inlet valve slowly, the DOSATRON is self-priming.
- Operate the DOSATRON until the product to be injected is drawn up into
the doser body (the product is visible through the plastic tube).
- The DOSATRON makes a characteristic "click-clack" noise when working.
NOTE: The time required to prime the suction tube depends on the water
flow-rate, the ratio setting and the length of the suction tube. To bleed the
air from the suction tube and accelerate the priming, set the injection rate at
maximum. Once the DOSATRON is primed, adjust to the required injection
rate (see § ADJUSTING THE INJECTION RATE).
PRODUCT AUTOMATIC ANTI-SIPHONING DEVICE
- It automatically restores the atmospheric pressure within the system in the
event of accidental under pressure after the Dosatron.
- Remove the red cap in order to activate it (Fig. 4).
*Example of use:
- Situation in which the outlet is lower
than the inlet.
- Situation in which the water supply
shut off valve is located upstream of
the dosing unit.
©
DOSATRON INTERNATIONAL S.A.S / 23
ADJUSTING THE INJECTION RATE (with pressure off)
IMPORTANT ! Use no tools.
Adjustment must be made when there is no pressure in the DOSATRON.
- Turn off the water supply and allow the pressure to drop to zero.
- Unscrew the locking ring (Fig. 10).
- Screw or unscrew the adjusting nut in order to line up the 2 peaks of the
eyelet with the desired ratio on the scale (Fig. 11).
- Tighten the locking ring (Fig. 12).
Fig. 10
INTERNATIONAL CONVERSIONS
Principle : Setting at 1% ⇒ 1/100 = 1 part of concentrate for 100 parts of water.
Fig. 4
Fig. 11
©
DOSATRON INTERNATIONAL S.A.S / 24
Fig. 12
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