Airflow AV250B 설치 및 운영 지침 매뉴얼 - 페이지 8

{카테고리_이름} Airflow AV250B에 대한 설치 및 운영 지침 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Airflow AV250B 9 페이지. In-line centrifugal fans

MAINTENANCE

Maintenance work may be done only after the fan has been

disconnected from the power supply.

Service includes regular cleaning of the fan surface from dust

and dirt after the fan has been disconnected from power supply.

A soft dry brush or pressed air should be used to remove dust.

The blades of rotor should be thoroughly cleaned every 6

months.

In order to do it, release the screws 3 (fig 1) and detach the grille

2 from the case 1. Use detergent dissolved in water to clean the

rotor blades. Avoid the liquid getting on the motor.

The fan should be stored in manufacturer's packaging in

ventilated room at air temperature room +50

C to +40

C and

relative air humidity not exceeding 80% (at T=25

C).

Presence of acid alkali and other addressive substances vapours

in the air is not permitted.