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Installation – Grain Systems Bin Accessories PNEG-914 User Manual

Page 33

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5. Installation

PNEG-914 Flex-Flo

33

8. When a multi-story building is supplied by one auger solely, obtain total drop-out at each outlet.

A time clock MUST be utilized to ensure that all of the feeders are filled at the same time. In the last
hopper on every level, install a hopper level control.

9. With the straight-through tandem system, open only one tank slide at a time when feeding. Operating

the system with both unloader slides open is not recommended since horsepower consumption
increases considerably.

Wire Size by Type

Copper conductors, 1 phase 230V, 3% voltage drop.
In case of conductors supplying several motors on one circuit, the wire size is determined by taking 125%
of the full load current of the largest motor and 100% for all others.

Wire Size by Length of Run

NEC Sec. 225-6/: Conductors in overhead spans must be at least #10 for spans up to 50' and #8
for longer.

Motor

HP

Full Load

Amps

Minimum Allowable Wire Size

In Cable, Conduit or Earth

Overhead in Air

Type: R, T, W

Type: RH,

RHW, THW

Bare and Covered

Conductors

1/2

4.9

12

12

10

3/4

6.9

12

12

10

1

8.0

12

12

10

1-1/2

10.0

12

12

10

Length of Run - Ft. (m)

Motor

50

75

100

150

200

250

300

350

400

500

600

700

800

900

1000

Size

(15)

(22.5)

(30)

(45)

(60)

(75)

(90)

(105)

(120)

(150)

(180)

(210)

(240)

(270)

(300)

1/2 HP

12

12

12

12

12

12

12

12

12

10

10

8

8

8

8

3/4 HP

12

12

12

12

12

12

12

10

10

8

8

8

6

6

6

1 HP

12

12

12

12

12

10

10

8

8

8

6

6

6

6

6

1-1/2 HP

12

12

12

10

10

8

8

8

6

6

6

6

4

4

4