Dormont OneFlow OF140-4 Manual de instalação, operação e manutenção - Página 3

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Operation

With adequate pressure, normal operation of the OneFlow System is completely automatic.

Dependable operation involves only periodic filter changes and service documentation.

Maintenance

The only routine maintenance your OneFlow System should ever require is periodic filter cartridge

changes or replacement sump O-rings. Filter changes are necessary for optimum performance of

your foodservice equipment. If the system sizing recommendations have been followed the

OneFlow System is designed to provide a twelve (12) month filter replacement interval on most

tap water.

Filter Change Frequency

Several situations will mandate filter changes. Complete filter sets should be changed when any

of the following apply:

• Twelve (12) Months have passed since unit installation or previous filter change.

• Reduced water flow.

If filter change frequency is less than 12 months due to pressure drop, it may be necessary to add

additional prefiltration or evaluate system sizing recommendations.

Filter Cartridge Replacement Procedure

IMPORTANT: Determine whether all equipment connected to the OneFlow

System must be turned off prior to shutting off water supply from filters.

1.If required, turn off equipment.

2.Turn OFF water to OneFlow System by closing Inlet Ball Valve.

3.Press the red button to release pressure.

4.Remove housing(s) - use filter wrench if necessary.

5.Clean inside of housing sumps with warm water. If desired, disinfect

housings using a teaspoon of household bleach in a filter bowl of water.

Let stand 5 minutes, and then discard.

6.Insert new cartridges into filter housings. Match cartridge model numbers to

model numbers on bracket.

7.Make certain the O-ring is properly positioned and reinstall filter housings

(hand tighten only). Check O-ring for damage and replace if damaged

or distorted.

8.Slightly open the inlet ball valve; push the red pressure relief button to

release trapped air until a small amount of water comes out - release the red

button and fully open the ball valve.

9.Open the flush valve downline from the filter housing (if equipped) and flush

the new cartridges to drain or bucket for five (5) minutes or until water runs

clear. If no flush valve is present, disconnect line from equipment to flush

to drain.

10.VERY IMPORTANT: With water supply inlet valve OPEN and water flow

confirmed, turn on connected equipment. Failure to supply water to

equipment may cause serious damage.

11.Record filter change on the service log.

Optional