
February 2017
www.farmscanag.com
AM-74V1-4
18
Explanation of Components
SECOND SPRAY LINE PLUMBING
The second spray line is fitted to the spray boom with nozzles positioned at half centers to the first spray
line (e.g., if using 50cm or 20inch spacing’s for the first line, the second line nozzles should be placed at
25cm or 10inch intervals.) See example diagram below.
The second spray line can be plumbed as a single section covering the entire boom width or alternatively
split into multi sections to match the first spray line sections.
SINGLE SECOND SPRAY LINE (MATRIX MODE)
A single second spray line is adequate in high speed broad acre spraying where section shutdown is
relatively infrequent. The controller will automatically shut down the second spray line if one or more of
the first spray line section valves are switched off.
A single second spray line requires one large section valve to activate the second spray line.
All the second spray line nozzles must be inter-connected on one independent hose with multiple infeed
points to equalise pressure over the whole width.
The second spray line section valve must tee off the main delivery line after the flow sensor and flow
control valve.
3 wire motorised valves:
Red = +12V
Black = Negative
Colour = Trigger