HI-FOG 1900 식별 및 정정 절차 - 페이지 7
{카테고리_이름} HI-FOG 1900에 대한 식별 및 정정 절차을 온라인으로 검색하거나 PDF를 다운로드하세요. HI-FOG 1900 18 페이지. A1000 type assembly body with stop valve
페이지 인쇄18/09/2017
4.3. Performing corrective actions
4.3.1. Isolate the Accumulator Units
Figure 06 : Disconnecting the solenoid plug from a Bürkert valve
Figure 07 : Disconnecting the solenoid plug from a release valve
4.3.2. Isolate and de-pressurize the section under work
Before removing the sprinklers it is advisable to isolate (see a below) and
depressurize the section where the HF1900 sprinklers will be modified to
minimize the risks of spillage and false starting of the pump unit.
Depressurizing the section can be done either from the Flushing Valve (see b
below) or from the Section Valve (see c below).
Document number 0003301084
Before starting corrective actions, switch on the Nitrogen
blocking from the key switch on the control panel or disconnect
the nitrogen accumulator unit (if applicable) to avoid the
accidental release of nitrogen (see
Ver. A
Figure 06
Figure 07
and
Page 7 of 18
).