Carrier SUPRA 750Mt - Electrical Schematic Wiring Diagram

7-1
SECTION 7
ELECTRICAL SCHEMATIC WIRING DIAGRAM
This section contains Electrical Schematic Wiring Diagram covering the Models listed in Table 2-1 The following
gener
al safety notice
s supple
ment the speci
fic warning
s
and cauti
ons
appe
aring els
ewhere
in this
manua
l. They
are
rec
omm
end
ed
pre
cau
tion
s
that must
be
und
ers
tood
and
app
lie
d
dur
ing
ope
rati
on
and
mai
nte
nan
ce
of the
equ
ipm
ent
covered herein.
M
o
d
e
l
D
r
a
w
i
n
g
#
Supra Mt
_
 62--60972
WARNING
Be
wa
re
of
una
nno
unc
ed
st
ar
ti
ng
of
the
fa
ns
and
V-
be
lt
s
ca
us
ed
by
the
the
rm
ost
at
and
thesta
rt
/s
top
cycling of the unit.
WARNING
Under no circumstances should ether or any other starting aids be used to start engine.
CAUTION
Under no circumstances should anyone attempt to repair the Logic or Display Boards! Should a
prob
lem
dev
elop
with
thes
e
com
ponen
ts,
cont
act
your
nea
res
t
Car
rie
r
Tr
ansi
cold
dea
ler
for
replacement.
CAUTION
Observe proper polarity when installing battery, negative battery terminal must be grounded.
Re
ver
se
pola
rit
y
will
dest
roy
the
rec
tif
ier
diode
s
in
alt
ern
ato
r
.
As
a
pre
cau
tion
ary
mea
sur
e,
disconnect positive battery terminal when charging battery in unit. Connecting charger in reverse
will destroy the rectifier diodes in alternator.
CAUTION
Under no
circum
stance
s
should a
technic
ian electrica
lly probe
the processor at any
point, other
than the connector terminals where the harness attaches. Microprocessor components operate at
different voltage levels and at extremely low current levels. Improper use of voltmeters, jumper
wires, continuity testers, etc. could permanently damage the processor.
CAUTION
Mos
t
ele
ctr
onic
com
ponen
ts
aresusce
ptib
le
to
dam
age
cau
sed
by
ele
ctr
ica
l
sta
tic
disc
har
ge
(ES
D).
In certain cases, the human body can have enough static electricity to cause resultant damage to
th
e
com
pon
ent
s
by
to
uch
.
Thi
s
is
es
pec
ia
ll
y
tr
ue
of
th
e
int
egr
at
ed
ci
rc
uit
s
fo
und
on
the
tr
uck
/t
ra
ile
r
microprocessor.