J.P. Instruments EDM 960 Twin Primary Installation Manual - Manual (Page 18)

FAA Approved Installation Manual for the EDM-960 system Report No 909
Primary Engine Data Management System Page 18 of 46 Rev D
Date 2-6-2014
26.1
Volt Meter reading is derived from the bus location that the EDM Display is wired to. A second voltage input
is also available.
26.2
Load Meter Configuration. The shunt must be installed in the main bus where it will be the load meter
configuration showing alternator load (positive only). Be sure that the negative side of the shunt is connected to the
main bus in the load meter configuration. There are no alarms for the load meter configuration.
27. General Fuel Flow Transducer Installation
Use the J4 connector harness 700708 labeled FFSIG (white), FFPWR (red), and FFGND (black). If no previous fuel
flow transducer is installed, install transducer per Report 503, Rev B, 03/14/97, FUEL FLOW TRANSDUCER
INSTALLATION . The EDM-960 receives signal from any installed FloScan Transducer with the following FloScan
P/N’s embossed on to the top of the transducer. The K-Factor is marked on the side of the Transducer and on an
attached white ticket. Route the JPI wires along the existing wiring bundle lacing every foot. The EDM is approved to
work with the following Shadin equivalent PN.
FloScan PN Shadin equivalent PN
201-A
201-B 680501/680600
231 680503
Before connecting any hoses to the transducer, thoroughly clean them and insure they are free of any loose material.
Never pass air pressure through the transducer or use Teflon tape/pipe cement; damage will occur. Use only steel
fittings never use aluminum fittings on transducer. Aluminum will gaul. Remove the transducer cap plugs only when
ready to install the hoses. Note the direction of fuel flow marked on the transducer. Fuel must flow in this direction.
Reverse flow installations will read ½ the required flow. Mount the transducer with the three wires pointing up. The
K-factor is printed on the side of the transducer and on a tag. Write down the K-factor here for future reference .
Aeroquip Fire Sleeve
AE102/62-24
Aeroquip
900591B Clamp
IN
OUT
6 inches maximum from
support
to carburetor, flow
divider, or fuel
injector
from fuel tank,
throttle body or
engine driven fuel
pump.
MS 21919
Clamp as required
Fittings 1/4 NPT. Do NOT
use aluminum fittings
Aeroquip
303 hose Transducer
Cut slit in fire sleeve
up
The EDM-960 fuel flow transducer receives signal from any installed 201 transducer with part numbers imprinted on to
the top of the transducer. For specific engine installations see Report 503