* AUTOMATIC FUEL PUMP
* EASY INSTALLATION
* SEVERAL MODES OF
* OPERATE WITH OR
WITHOUT A FUEL SENSOR
* NEW DESIGN MINIMIZES
* RELIABLE OPTICAL FUEL
* PUMP-DOWN COMPLETED
* SLOSHING FUEL WILL NOT
The AFPR is a
"Smart" Auxiliary Fuel Pump Relay. This device allows the pilot to flip one
switch and quickly drain the contents of the auxiliary fuel tank without over
stressing the auxiliary fuel pump. The AFPR will pump down the auxiliary fuel
tank, and then automatically shut the fuel pump off when no fuel is detected.
The AFPR includes a very reliable optical fuel sensor that can be easily
installed in the auxiliary fuel tank or in the fuel line. The AFPR can be
operated in and one of four modes of operation. The AFPR also has an output that
can be used for a light to indicate when the fuel pump-down has been completed.
The APFR was
designed to mount near the fuel pump/auxiliary fuel tank. This eliminates
running extra wires thru the wing or fuselage. This mounting method also allows
the installer to use a shorter run for the fuel level sensor wiring and not use
additional wiring through the wing. The AFPR can also be installed in the
fuselage if limited space is a factor.
MODES OF OPERATION
The AFPR can be
operated in one of four modes of operation.
Low Fuel Detect
When energized, the AFPR pumps the auxiliary tank down until it is empty, then
Low Fuel Detect w Maximum Fuel Usage
Same as "Low Fuel Detect" except that the pump will continue to pump for 10
seconds, every 3 minutes. This ensures that every drop
of fuel in the tank is transferred and used. When the pilot turns the switch
off, all pumping will stop.
The next two modes
can be operated without the fuel sensor. (model AFPR-nt)
Pump Down for 1 Minute
When energized, the AFPR pumps down the auxiliary tank for 1 minute and stops.
Pump Down for 3 Minutes
When energized, the AFPR pumps down the auxiliary tank for 3 minutes and stops.
For all modes of
operation, after the AFPR has finished pumping the tank down and stopped, simply
turn off the AFPR. This will reset the APFR. Applying power again will repeat
Input Power: 12Vdc or 24Vdc, 0.1A
Enclosure: 3.5" x 2.25 x 1.25"
(89mm x 57 x 32mm )
Fuel Sensor Mounting Hole: 0.475"
Weight: 3.0oz. (93g), 3.3oz.
(103g) with sensor
Pump & Pump-Down Outputs: 8A max.
AFPR-ns (without sensor)
Click here to download
AFPR Spec. Sheet
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