Armstrong 22AV 설치 및 운영 매뉴얼 - 페이지 4

{카테고리_이름} Armstrong 22AV에 대한 설치 및 운영 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Armstrong 22AV 6 페이지. Free floating lever air/gas vents

Troubleshooting

Check operation.

the vent is functioning properly. To check the air vent, disconnect the outlet piping and observe the discharge from

the unit. If the vent is working correctly, a little air should escape, followed by a small amount

of liquid.

When an 11AV, 22AV or 13AV is not operating properly, remove it from service and force water or air through the

discharge fitting. Back-flushing to remove scale and dirt often restores the air vent to its normal operating condition.

When an 11AV, 22AV or 13AV cannot be made to operate properly, replace it with a new one having the same orifice

size.

On new installations, an air vent may fail to open if the maximum operating pressure on the label is less than the

actual pressure being encountered. If this is the case, replace the air/gas vent with one sized properly for your higher

maximum operating pressure. Consult your Armstrong Representative.

An unusual increase in system pressure may cause the air vent to lock shut. Either eliminate the cause of the

increased pressure or replace the air vent with one that can handle the peak pressures.

For assistance with an unsual installation or service problems, contact your Armstrong Representative or Armstrong International's Application

Engineering Department

It is normal on hydronic systems to have no discharge from the vent, but this is not proof that