AvantaPure 269 Spécifications télécharger pdf (Page 15)

Preventive Maintenance

Injector Screen and Injector

Inspect and clean brine tank and screen lter on end of brine

pickup tube once a year or when sediment appears in the

bottom of the brine tank.

Clean injector screen and injector once a year:

1. Unplug the wall-mount transformer.

2. Shut off water supply or put bypass valve(s) into bypass

position.

3. Relieve system pressure by opening valve No. 7 (at

rear) with a screwdriver (Figure 8).

4. Using a screwdriver, remove injector screen and injector

cap (Figure 9).

5. Clean screen using a ne brush. Flush until clean.

6. Using a needle-nose pliers, pull injector straight out.

7. Flush water into the injector screen recess of the valve

body to ush debris out through the injector recess.

8. Clean and ush the injector.

9. Lubricate the O-rings on the injector, injector cap and

injector screen with silicone lubricant only!

10. Reinstall the injector, injector cap and injector screen.

IMPORTANT: Do not overtighten the plastic cap. Seat the cap

lightly into position. Overtightening may cause breakage of the

plastic cap that may not be immediately evident.

11. Plug the wall-mount transformer into outlet; reset clock if

necessary.

12. Slowly open water supply valve or return bypass valve(s) to

the “service” position.

Water Meter Maintenance

The metering device used with the 960 demand controls may

require simple maintenance. In rare instances, the turbine wheel

of the water meter can collect small particles of oxidized iron,

eventually preventing the wheel from turning.

1. Shut off the water supply or put the bypass valve(s) into

the bypass position.

2. Relieve pressure by opening the Backwash Drain Valve

(the seventh back from the control) with a screwdriver

(Figure 8).

3. Loosen and remove the pipe/tube adapters or 1265

bypass from the inlet and outlet of the valve body.

4. Using a needle-nose pliers, remove the turbine from

the outlet housing. Grasp one of the four vanes of the

outer gland and pull straight out to remove turbine

assembly from the outlet of the valve (Figure 9).

5. Carefully remove the turbine wheel from the housing.

Use a toothbrush to lightly scrub the iron off the

magnet. Iron buildup on the surfaces can be removed

by soaking the wheel in a mild sodium hydrosulte

(such as RoVer*) solution for a few minutes. Flush

thoroughly with water.

6. Carefully reinstall the turbine wheel into the turbine

cage housing. Make sure that the shaft of the wheel

seats into the bearing of the cage. Reassemble the

turbine cage and check that the wheel rotates freely.

7. Reinstall the turbine cage into the outlet of the valve.

8. Reinstall the pipe/tube adapters or 1265 bypass to the

inlet and outlet of the valve.

9. Turn on the water supply or put the bypass valve(s) into

the service position and purge the air out of the system.

To check for proper meter operation, open a

downstream faucet and observe the water ow

indication, blinking colon, on the control display.

*RoVer is a trademark of Hach Chemical Company.

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AvantaPure 269 Spécifications Page 15

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