Home
Download PDF
Order CD-ROM
Order in Print
PC Board Layout and Component Functions
Overall Control Logic.
TM-9-4120-411-14 Field Deployable Environmental Control Unit Models FDECU-2 FDECU-3 and FDECU-4 (NSN 4120-01-449-0459) Manual
Page Navigation
44
45
46
47
48
49
50
51
52
53
54
TM
9-4120-411-14
4.9
LOGIC
CONTROL
DETAILS
-
CONTINUED.
Note
that
LED
D18
(CCH)
and
solid
state
relay
K4
were
removed
from
printed
circuit
(PC)
board
used
on
FDECU-4
and
thereafter.
Figure
4-9.
PC
Board
Layout.
4-20
Change
1