PLAN THE INSTALLATION
Page 14
Locate each Processor such that the push-pull cables from it to the
engine governors have large radius bends, with the least total
degrees of bend and moderate length.
4.2
CONTROL HEAD LOCATION
Refer to Appendix A Control Head Dimensions and Variations for
dimensions and specific information on a Control Head.
4.2.1 400 Series Control Heads
When properly mounted on a console, the Control Head is watertight
from the top. An adhesive gasket must be used to seal the Control Head to
the mounting surface. However, below the mounting surface the Control
Head needs protection from water or spray.
4.2.2 MC2000 Series Control Heads
When properly mounted on a console, the Control Head is watertight
from the top. An adhesive gasket is mounted on the bottom of the Control
Head to seal it to the mounting surface. However, below the mounting
surface the Control Head needs protection from water or spray.
4.2.3 700 Series Control Heads
When properly mounted on a console, the Control Head is watertight.
4.3 DC POWER SOURCE
It is important to keep the length of power cable short to reduce volt-
age drop. The power cable should not exceed 20 feet
(6m). If individual
wires are used for supply (+) and return (-) then the total wire length
should not exceed 40 feet
(12m).
It is recommended by ZF Mathers that an Automatic Power Switch
(APS) and a second power source be used. Refer to Appendix A.1 -
APS Service Sheet and Appendix C.1 System Drawing.
NOTE:The minimum bend radius of 10 inches (254mm), for a total degree of bends of less than 270
degrees. Push-pull cable lengths should not exceed 20 feet
(6m).
NOTE: If a Control Head is mounted weather exposed from the underside, consider using a Water-
tight Enclosure. Reference Appendix A Watertight Enclosure for specific information.
NOTE: If a Control Head is mounted weather exposed from the underside, consider using a Water-
tight Enclosure. Reference Appendix A Watertight Enclosure for specific information.
CAUTION: It is important
that the wire size from the battery to the circuit breaker panel is large
enough to keep voltage drop due to current flow, to less than 3 percent. The DC
return to the battery must be large enough to supply all
current requirements with a
voltage drop of less than 3 percent.