2.15 Install the Resistive Fuel Level Module (RFLM-4-X):
The RFLM-4 is a Resistive Fuel Level Module that provides pull-up resistors for 4
resistive fuel level sensors. This module is required to interface an EDC Resistive Fuel
Level Input to a resistive fuel sensor. There are two RFLM-4 modules available. The
RFLM-4-12V operates on a 12-volt electrical system and the RFLM-4-24V operates on a
24-volt electrical system. The appropriate model must be used in your installation.
Mount the RFLM-4-X to the inside firewall or to an equipment bay under the aircraft
instrument panel. Use the holes in the bottom plate to mount the unit. Only two mounting
holes are required.
Note: For each Fuel Level Channel on the EDC you can use either the Resistive Input or
the Capacitive Input, but not both.
2.16 Install the Voice Alarm Control Panel (AV-17CP) (Optional):
If the voice alarms provided by the MVP are to be used, the AV-17CP Control Panel will need to be installed in the
aircraft instrument panel.
A. Locate the Control Panel and Switch in the AV-17CP packet. Find an appropriate mounting location on
the aircraft instrument panel for the Control Panel and Switch. The Switch will require a 3/4" clearance
behind the aircraft instrument panel.
B. Using the AV-17CP Control Panel as a template,
mark the aircraft instrument panel and drill a 1/4"
hole for the AV-17CP Switch.
C. Mount the Switch from behind the aircraft
instrument panel. Be careful not to damage the
screenprinting on the Control Panel. The Switch must be mounted with the white/orange wire up. The lock
washer should be mounted on the Switch and behind the aircraft instrument panel.
2.17 Install the Intensity Control Pot (CP-1) (Optional):
The display intensity of the MVP may be controlled internally with an electric eye or externally with a Intensity
Control Pot (CP-1). The selection is pilot programmable. If the intensity is to be controlled externally, a CP-1 will
need to be installed in the aircraft instrument panel.
A. Locate the Intensity Control Pot in the CP-1 packet. Find an appropriate mounting location on the aircraft
instrument panel for the Control Pot. The Pot will require a 2" clearance behind the aircraft instrument
panel.
B. Mark the aircraft instrument panel and drill a 1/4"
hole for the Pot.
C. Mount the Pot from behind the aircraft instrument
panel and install the knob.
To MVP
White/Brown
White/Red
White/Orange
(OFF)
(ACK)
(+5V)
20
21
22
voice alarm
ack
on
off
Control Panel
To EDC Resistive Fuel Level
Inputs (Bottom Connector)
and the Fuel Level Sensor
Pot
AC Instrument Panel
Nut
Knob
1/4" Hole
To MVP
(White/Orange)
CP-1
19
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