
7
Installation and Operation Manual
System 2000
Installation and Operation Manual
System 2000
FOAM CONCENTRATE SUCTION LINE
Fittings and hoses from the foam tank to the inlet of the
foam pump must be used. For 2001 & 2002 systems, use
3/4-inch (19mm) minimum inside diameter or larger hose,
dependent on the viscosity of the foam concentrate. For the
2024 system, use 1-inch (25mm) minimum inside diameter
or larger hose, dependent on the viscosity of the foam
concentrate. Use components that are rated for 23 in [584.2
mm] Hg vacuum and 50 psi [3 BAR[ pressure or greater. The
components must be compatible with all foam concentrates
to be used. Fittings used must be made of brass, 300 series
stainless steel or other corrosion resistant material. Before
selection of hose fittings, check for compatibility with foam
concentrates to be used. The use of clear suction hose is
required by NFPA to allow viewing foam priming operations.
The foam pump must be positioned to allow gravity feed from
the foam tank(s).
NOTE: When using a Dual-Tank System, intake
plumbing will be different. Refer to Concentrate
Management System Manual (Ref. Form 828 or 887) for
foam pump inlet plumbing installation.
FOAM CONCENTRATE DISCHARGE LINE
Fittings and hoses from the discharge of the foam pump to
the injector fitting must be supplied by the installer. Hoses
and fittings of 1/2-inch [13 mm] minimum INSIDE diameter
rated at 400 psi [28 BAR] minimum working pressure for
the 2001, 2002 & 2024; 600 psi [41 BAR] for the 2002HP or
maximum discharge pressure of the fire pump, whichever
is greater, must be supplied by the installer. Fittings and
hoses must be compatible with all foam concentrates to
be used. Use fittings of brass, 300 series stainless steel or
other corrosion resistant material compatible with all foam
concentrates to be used.
CHECK VALVES
NFPA requires installation of a check valve in the foam
concentrate injection line. To prevent foam concentrate
flow from the tank due to static head pressure, the foam
concentrate check valve shall have a 11 to 13 psi [0.8 to 0.9
BAR] cracking pressure and shall be capable of withstanding
the pressures that will be generated in the foam injection line.
A check valve is also required in all water piping locations
where foam concentrate could drain back into pumps or
other components of the fire apparatus. As a minimum, one
check valve must be installed where the foam solution water
piping connects to the fire pump discharge. (FoamPro main
waterway check valve is recommended.)
Multiple drains that allow individual drain lines to
communicate may allow foam to short circuit past the
check valves; avoid this possibility. FoamPro recommends
separate drain valve(s) for the discharge piping.
FOAM CONCENTRATE TANK(S)
Foam concentrate tank(s) must be supplied to suit the
capacity required for the apparatus application. The tank(s)
should meet NFPA minimum standards for the design
capacity, including filler size, venting and drain facility. For
example, to meet NFPA requirements using 1% AFFF foam
concentrate, a 40 gallon foam tank is required.
ELECTRICAL REQUIREMENTS
Electrical wiring must be supplied from the main apparatus
electrical system to the foam pump base system. Power
must be supplied directly from the apparatus battery without
any connections to other high power devices, such as primer
pumps, hose reels, auxiliary starters, light bars, etc. with its
own disconnect switch, or a switch or contactor actuated
by the battery disconnect switch, PTO or other device. Use
proper wire size to be able to supply the foam system with
the proper voltage and amperage required. The minimum
service is as follows:
2001 12VDC requires 41 amps
2002 or 2002HP 12VDC requires 60 amps
2001 24VDC requires 22 amps
2002 or 2002HP 24VDC requires 30 amps
2024 24VDC required 60 amps
Braided flat ground straps are required for ground
connections. The flat straps limit the RFI/EMI interference
encountered with radios, computers or other sensitive
electronic equipment.
CAUTION: Always disconnect the ground straps and
control cables from the Digital Display Control Module or
other FoamPro equipment before electric arc welding at
any point on the apparatus. Failure to do so will result
in a power surge through the unit that could cause
irreparable damage to the display.
The FoamPro 2000 series systems are provided with the major components and accessories required for
installation. Due to differences in chassis and apparatus configurations, the installer must provide pipe, hoses,
tubing, wire and fittings to satisfy installation requirements. The following paragraphs list the specifications for
selection of these components. Before beginning system installation, read this section thoroughly to make sure the
proper components are selected. For detailed system installation instructions, refer to Sections 5, 6 and 7.
4 Installer Supplied Parts