19
Installation and Operation Manual
System 2000
F. SOLID STATE CONTACTOR (SSC)
The usage of the optional solid state contactor (SSC)
is recommended to help protect the FoamPro system
from excessive voltage surges that can take place in
fire apparatus systems. The SSC also has a higher
life expectancy than mechanical relay options used for
master switch applications.
The SSC allows the operator to easily power the system
up and to shut it down with the use of a simple switch. The
following diagram depicts the installation of this accessory.
G. EMI/RFI SUPPRESSION
An EMI/RFI (Radio Frequency Interference)
suppression kit is included with each FoamPro
system. The clamp-on beads included in the kit, when
properly installed, along with proper grounding of
components will reduce the potential for radio frequency
interference. Additionally, make sure radio cables and
hardware are not located in the immediate area where
the FoamPro 2000 Series equipment is mounted.
Install clamp-on beads at the locations indicated in
Figure 19. Slide the beads as close as possible to
the connectors on the cable. Use a small amount GE
SILICONE II, electrical tape, wire tie or heat shrink
tubing to keep the beads from moving after installation.
FLOWMETER AND CABLES
Making round coils of extra control and flowmeter cables
in the pump compartment can act as an antenna. While
the flowmeter and control cables cannot be shortened,
various lengths of cable are available to minimize the
Figure 19. RFI/EMI Bead Installation
Figure 20. Extra Cable Storage
“extra” cable in the truck. (See the parts list in Section 13
for part numbers of different size control and flowmeter
cables.) When routing control and flowmeter cables,
avoid routing them next to antenna cables, radio power
lines and radio components. When there is extra cable,
double the cable back on itself and secure in a flat
bundle with plastic wire ties instead of making a round
coil (See Figure 20).
Nesconset, NY 11767 US
Engage Switch
Open - Off
Closed - On
Ground
Ground
+ Power
to
FoamPro
Unit
Solid State Contactor
2510-0043
Battery
Solid State Contactor Installation
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