Power unit and control unit, Installation, Maximum line length – Grain Systems Bin Accessories PNEG-914 User Manual
Page 25: Caution, Figure 5p
5. Installation
PNEG-914 Flex-Flo
25
Power Unit and Control Unit
Flex-Flo offers two (2) different types of power units, direct drive unit and belt drive power unit, along with
the control unit. Installation instructions are provided with each power unit.
Horsepower requirements are based on length, type of Flex-Flo System installed, number of turns,
tandem systems etc.
shows maximum line lengths for Flex-Flo Systems plus maximum
lengths for extensions hopper installing, using various power units.
Reduction of the maximum line lengths in the chart should be allowed for if the system’s incline is greater
than 45° and/or the rise of the system is higher than 8' (2.44 m). For each additional 90° (2 elbows) used
beyond chart, reduce the maximum line length for each drive unit by 30' (9.14 m). For each straight-out
to straight-through tandem system, decrease the maximum line length for each drive unit size by
50' (15.24 m).
Figure 5P
Maximum Line Length
Motor
Size
Model 220
Extension
Pitch
Model 300
Model 350
Model 500
Model HR
Maximum
Length
Maximum
Extension
Maximum
Length
Maximum
Extension
Maximum
Length
Maximum
Extension
Maximum
Length
Maximum
Extension
Maximum
Length
Maximum
Extension
Maximum
Length
Maximum
Extension
1/3 HP
150'
180'
-
-
-
-
Dry Feed Stuffs
Moisture Levels
below 18%
High-Moisture
Systems Moisture
Level from 18%-27%
-
-
0.246 kW
46 m
91 m
-
-
-
-
-
-
1/2 HP
250'
300'
300'
80'
80'
30'
65'
30'
50'
0.373 kW
24 m
38 m
38 m
24 m
38 m
9 m
20 m
7.6 m
12.7 m
3/4 HP
-
-
400'
150'
150'
90'
90'
50'
50'
25'
25'
90'
90'
0.559 kW
-
-
46 m
56 m
27 m
38 m
20.3 m
25.4 m
1 HP
-
-
200'
245'
150'
185'
100'
100'
50'
65'
150'
180'
0.746 kW
-
-
61 m
75 m
46 m
56 m
38.1 m
457 m
1-1/2 HP
-
-
-
-
-
-
150'
180'
75'
90'
-
-
The maximum length is for a system with three (3) elbows.
CAUTION
The safety switch on the control unit is provided as a backup switch in case the
hopper level or the drop tube switch does not operate properly. This switch is
not intended to be used for controlling the Flex-Flo System, but as a safety
backup switch only.