Armstrong FUSED DISCONNECTS 설치 및 운영 지침 매뉴얼 - 페이지 3
{카테고리_이름} Armstrong FUSED DISCONNECTS에 대한 설치 및 운영 지침 매뉴얼을 온라인으로 검색하거나 PDF를 다운로드하세요. Armstrong FUSED DISCONNECTS 6 페이지. Envelope pumps ul r ated 30a & 60a
페이지 인쇄caution
To prevent enclosure damage and to attain the enclo-
sure requirements, the conduit should be aligned to
prevent unnecessary stress on the enclosure walls.
To obtain maximum corrosion protection, cover all
exposed metal and seal of the conduit openings where
the conductors enter the enclosure.
c
grounding of the equipment 30a and
60a
Install the grounding conductor in accordance with the require-
ments of the local codes and standards. See illustrations below
when using either metallic or non-metallic conduit:
metallic
conduit
connector locknut
grounding bushing
grounding conductor
equipment grounding
(when provided)
5 .0 wiring instruction
Ensure the disconnect is in off position and there is no power
on the input terminals.
power feeds
Connect the incoming power feed to the top terminals of the
disconnect switch and connect bottom terminals to the incom-
ing from the pump motor.
30a
incoming feed
fuse
type cc
to design envelope pump
non-metallic
conduit
terminal
30a disconnect
Fused
Disconnects
60a
incoming feed
fuse
type j
to design envelope pump
terminal size and torque acceptability
(cu conductors only, 75°c)
30a: #14 awg-#8awg @ 16 lb. in.
6 0a: #14 awg-#4 awg @ 30 -35 lb. in.
12 mm
1
(0.47 in)
insta l l a t io n &
opera ting in str u ct io n s
60a disconnect
2,5...6 mm
10...25 mm
14...10 awg: 30 lb.in
8...4 awg: 35 lb.in
2
3
: 3 Nm
2
2
: 4 Nm