Entec EVR - Installation; Inspection Before Installation; Testing

EVR AUTOMATIC RECLOSER http://www.entecene.co.kr
23
ENHANCED TECHNOLOGY
5. INSTALLATION
5.1. INSPECTION BEFORE INSTALLATION
5.1.1. General
Upon receipt of the recloser, a visual inspection for damage during transportation should be paid
for the followings.
1) Circuit breaker
- Bushings
- Bulkhead fitting and connectors
- ON/OFF indicator window
- Lifting bracket
- Trip and lockout lever
2) Mounting bracket
3) Control cubicle
- Door
- Door seal/ Door handle
- Control and relay on the front panel
- LED normal
- LCD normal
4) SF6 gas pressure
- Normal: 0.5bar.g at 20℃
- Lower limit: 0.2bar.g at 20℃
CAUTION:
If Gas low lamp is on, stop installing immediately and consult with the manufacturer.
5.2. TESTING
5.2.1. Gas pressure
The unit (Recloser) is filled with SF6 gas pressure at least 0.5bar gauge at 20℃.
If the pressure within the unit falls below 0.2bar gauge at 20℃, the following procedures should be
taken.