J.P. Instruments EDM 930 Primary Primary Installation Manual User Manual
Page 27

FAA Approved Installation Manual for the
Report No 908
EDM-900 and EDM-930
Page 27 of 50 Rev J
Primary Engine Data Management System Date 5-24-14
1 and 2 again until the display (5 sec.) changes and you see FACTORY . At this point you will see MAIN = XX.,
adjust with the “Plus and Minus buttons. Tap next for AUX=XX and adjust. Tap button twice to finish and save.
24. GPS Interface
Use the J4 connector harness 700708 labeled RS232 OUT TO GPS (white) and RS232 IN FROM GPS (gray).
Refer to the Manufactures GPS manual for the required pin connections on the GPS.
25. Manifold Pressure (MAP) Sensor
Screw a AN816-4D (flared to pipe thread) into the Aeroquip 303 hose to and from the bulkhead fitting an 832-4 as
shown below if not already installed from the aircraft factory MAP gauge.
PN 159934A
0-30 PSIA
AEROQUIP 303 Flex hose
7/16 UNJF
#4 fitting
DO NOT MOUNT SENSOR DIRECTLY TO ENGINE
MS-24587 FITTING
P-2 GRN FP-Sig +
P-3 RED-FP PWR+5
P-1 BLK FP GND
Manifold Air-pressure