56
Fig. 39 —
5
0
BVT
,U
,V0
34 Cons
tan
t V
o
lume Wir
ing
Sc
he
mat
ic
A50-8251
LE
GEND
NO
TE
S
:
1.
See uni
t namep
lat
e
f
o
r elect
rical r
a
tin
g
.
2.
All fi
eld wir
in
g
m
u
st be in accorda
n
ce
wi
th NEC-NFP
A
#
70.
3.
208/
230
-v unit
s
are f
a
ct
or
y wired f
o
r 230
-v oper
at
ion.
F
o
r 208-v op
er
at
ion
, r
e
mo
v
e
ORG le
ad an
d rep
lace
w
ith RED lead
. Cap all un
used lead
s
.
4.
C
h
ec
k
p
hase rotation on all scroll compre
s
s
or
un
its
.
Re
v
e
rse
ro
tati
on will damage
the compre
s
s
or
a
nd v
o
id
unit
w
a
rr
ant
y.
5.
F
o
r
alt
e
rn
at
iv
e
E
M
S coi
l v
o
lt
age
s
, con
s
u
lt
fa
ct
or
y.
6.
U
P
M boa
rd in
cl
udes b
u
ilt
in
30 t
o
6
0
-second
r
a
n
dom st
ar
t,
5-min
u
te
de
la
y o
n
br
eak,
90-secon
d
lo
w pr
es-
su
re b
y
pass
, and
5-
se
co
nd second stag
e dela
y.
7.
Set
tin
g the
t
e
st
mod
e
j
u
mper t
o
y
e
s
re
duces all time
d
e
la
ys to
5 second
s
.
S
tan
dard
Comp
onent
s L
egen
d:
Opt
ion
al
C
o
mpone
nts
Leg
end:
#1
—
Fir
s
t St
age
CMF
R
—
Co
m
p
ressor Malfunction Rela
y
#2
—
S
e
cond
St
ag
e
CMR
—
Co
m
p
ressor Monit
o
r Rela
y
BM
—
Blo
w
e
r M
o
to
r
EMS
—
E
nerg
y
Ma
nage
ment
S
y
st
em
R
e
la
y
BR
—
B
lo
w
er Rela
y
FSR
—
F
reez
e/Co
nden
sa
te Se
nsor Rela
y
CBR
—
2
4
-v
ac
Ci
rcu
it Br
eak
er
F
reez
e/
Conde
nsat
e
S
ensor Modu
le (includ
e
s
FSR)
CC
—
Co
mpressor Cont
acto
r
C
onde
nsate
S
ensor
CCH
—
Cr
ankcase Heat
er (When
S
uppli
ed)
F
reez
e Sen
s
o
r
CPM
—
Co
mpressor Pro
tect
ion Mod
u
le
HPS
—
Hi
gh P
ressure
Sw
it
ch
LPS
—
L
o
w P
ressure
Switch
MS
—
Mo
to
r S
ta
rt
e
r
RV
R
—
Re
v
e
rsing
V
a
lv
e Rela
y
(Hea
t Pump
s
On
ly
)
RV
S
—
Re
v
e
rsing
V
a
lv
e Sole
noid (Hea
t Pump
s
On
ly
)
F
a
ct
or
y
Wi
re
Field
Wir
e