29
Installation Instructions
Install Power Supply Tower Boxes
The power supply in the control panel will power up
to sixty valves.
NOTE
• A power supply tower box is required every
50 valves or less, or every 1000 ft or less,
whichever comes first.
Two tower box mounting methods are shown, choose
the tower box mounting method based on the appli-
cation.
• Drive unit mounting
• Span pipe mounting
NOTE
• Make sure that the power supply tower box
and/or the mounting does not interfere with
intermediate tower box linkage or mechani-
cal corner run cycle box linkage.
Bracket Mounting
1. Mount the power supply tower box on one of the
four drive unit mounting brackets using one con-
trol box mounting plate and four 5/16 in x 1 in cap
screws and lock nuts. See Figure 29-1.
2. Continue with Connect Cables on this page.
Span Pipe Mounting
1. Use four half clamps to mount the power supply
tower box on the span pipe in between valves.
Secure tower boxes and half clamps to span pipe
with four 1/2 in x 2-1/2 in cap screws and lock
nuts. See Figure 29-2.
2. Continue with Connect Cables on this page.
Connect Cables
Power Supply Tower Box to valves:
1. Connect the tower box inner valve cable to the
inner valve VDC OUT port. See Figure 30-2
on page 30.
2. Connect the tower box outer valve cable to the
outer valve VDC IN port.
Wire Power Supply Tower Boxes
1. Refer to the field install and wiring diagrams sec-
tion and wire the tower boxes.
2. Continue with Install GPS Position Tower Box on
the next page.
2
5
1
4
3
4
5
5
5
Figure 29-1 1. Power Supply Tower Box
2. DU Mounting Bracket
3. CB Mounting Bracket
4. 5/16 x 1 Screw
5. 5/16 Lock Nut
2
5
1
4
3
3
4
5
Figure 29-2 1. Power Supply Tower Box
2. Span Pipe
3. Half Clamp
4. 1/2 x 2-1/2 Screw
5. 1/2 in Lock Nut
Summary of Contents for VRI-iS
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Page 50: ...50 Field Install and Wiring Diagrams VRI iS Power Supply Tower Box Field Install pn 9312421...
Page 51: ...51 Field Install and Wiring Diagrams VRI iS Power Supply Tower Box Wiring Schematic pn 0999334...
Page 52: ...52 Field Install and Wiring Diagrams VRI iS GPS Position Tower Box Field Install pn 9312419...
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