57
F
ig. 40
—
5
0
BVT
,U
,V0
44-
06
4 Const
a
nt
V
o
lu
me Wiring Sc
he
matic
LE
GEND
NO
TES:
1.
Se
e u
n
it
na
mepla
te
fo
r el
ectr
ical
ra
ti
ng.
2.
All
f
ield
wir
ing
m
u
st
b
e
i
n
a
c
cor
dance
wit
h NE
C-NF
P
A
#70.
3.
208
/2
30-v un
its a
re f
a
ct
or
y wired
fo
r 2
30-v op
er
a
tio
n.
F
o
r 2
08-v o
per
a
tio
n,
remo
v
e
ORG
lea
d
a
nd
repl
ace i
t
with
RE
D
lea
d
. Cap
al
l u
n
u
sed
lea
d
s
.
4.
Chec
k p
hase ro
tation
on a
ll sc
ro
ll comp
ress
o
r un
its
. Re
v
e
rse r
o
ta
tio
n
will d
a
mage
th
e
compre
ssor
an
d
v
o
id
u
n
it
w
a
rr
ant
y.
5.
F
o
r
a
lte
rnat
iv
e EMS coil v
o
lta
ges
, consult
f
a
ctor
y.
St
anda
rd C
o
mpone
nt
s Leg
end:
BM
—
Blo
w
er
Mot
o
r
BR
—
Blo
w
er
Rel
a
y
CB
R
—
24-v Circuit
B
reak
e
r
CC
—
Compressor Cont
act
o
r
CC
H
—
Cr
ankcase Heat
er (Whe
n
S
uppl
ied)
CPM
—
Compressor Pr
ote
c
ti
on
Mo
dule (E
xcept
MA480
)
HPS
—
High Pre
s
sur
e
S
witch (38
0
psig)
LP
S
—
Lo
w
P
ressure Swit
ch (20 psig)
MS
—
Mot
o
r St
ar
te
r
RV
R
—
Re
v
e
rsin
g V
a
lv
e
Rela
y (He
a
t
Pu
mps Only)
RV
S
—
Re
v
e
rsin
g V
a
lv
e
Sole
noid
(He
a
t
Pu
mps Only)
Opt
ion
al C
o
mpone
nts Leg
end:
BMR
—
Blo
w
er
Motor
Rela
y
CMF
R
—
Compressor Malfun
c
tion
Rela
y
CMR
—
Compressor Mon
ito
r
Rel
a
y
EMS
—
Ener
g
y
Manag
ement
Syst
em Rela
y
F
a
ct
or
y
Wire
Fie
ld
Wire
a50-7279ef