43
Fig.
39
— T
y
pica
l
Low Vo
lt
age
Con
tro
l
Wir
in
g
L
E
GE
ND
ALMR
—
A
larm Relay (24 V)
5 VA
Max
AWG
—
A
merican Wire
G
age
CFR
—
Con
denser
Fan
Rela
y
CNFS
—
Con
denser
Flow
Swit
ch
CNP
—
Con
denser
P
u
mp
CNPI
—
Con
denser
P
ump
Int
er
lock
CWP
—
Chi
lled Wat
er Pu
m
p
CWPI
—
Chi
lled Wat
er Pu
m
p
I
nt
erlo
c
k
DUAL
—
Dua
l L
ead/
La
g Temp
erat
ure
LVT
—
L
o
w
V
o
lt
age Termin
a
l St
rip
NEC
—
Nat
ion
al Elect
rical Code
OAT
—
O
u
ts
id
e Air Temper
atu
re
SP
T
—
S
pace Tempera
tu
re
.
. .
.
.
.
—
Fie
ld Power Wiri
ng
.
. .
.
.
.
—
Fie
ld C
o
nt
rol Wirin
g
——
—
—
Fact
ory-in
st
alle
d Wiring
NOTES
:
1.
Factor
y wiri
ng is
in
acco
rdance wit
h UL 1995
st
anda
rds. Fiel
d modif
icat
ions
or add
itio
ns
mu
st
b
e in c
o
mplian
c
e
with all app
lica
b
le code
s.
2.
All uni
ts or m
o
dule
s
have single
po
int
p
rimary power conne
ct
ion
. Main po
w
e
r
must
b
e supp
lied f
rom a
fi
el
d
o
r fact
ory su
pplie
d
d
isco
nnect
.
3.
Wirin
g fo
r main
fie
ld suppl
y mu
st
b
e
rat
ed 75
°C.
Use
co
pper
co
nduct
ors only.
F
o
r
u
n
it
sizes 016-0
45:
a.
In
co
ming wir
e size ran
ge f
or t
er
m
inal
b
lock with
MCA (min
imum circuit
amps) up t
o
1
20 amps is 14
AW
G (Ameri
ca
n
Wi
re Gag
e) to 2/
0.
b
.
In
c
o
m
ing wire size
ra
nge f
o
r
te
rm
inal
b
lock wi
th
MCA
fro
m
12
0.
1 a
m
ps
to
310
amp
s
is 6
A
WG
to
35
0 kcmil.
c.
In
co
ming wire
si
ze
rang
e fo
r non
-fu
s
e
d disconne
ct
wit
h MCA up
to 5
0
amps is
10
A
WG to 2 AWG
.
d.
In
co
ming
wire
size
ran
ge
for
non
-f
used d
isco
nnect
wit
h MCA
f
rom
50.
1
amps to 90
amp
s
is
6 AWG
t
o 3/
0.
e.
In
co
ming
wire
size
ran
ge
for
non
-f
used d
isco
nnect
wit
h MCA
f
rom
90.
1
amps to 25
0
a
m
ps
is
4
A
W
G to 35
0
kcmil.
f.
In
co
ming wire size
range
f
or f
used disconnect
i
s
6 AWG
t
o 10 AWG
.
F
o
r
u
n
it
sizes 050-0
71:
a.
In
co
ming wire size
range
f
or t
ermina
l
b
lo
ck
4
A
W
G
to
5
0
0
kcm
il.
b
.
In
c
o
ming wire
size ra
nge f
o
r no
n-f
u
sed di
scon
nect wit
h MCA up
t
o
17
0
amps is
6 AWG
t
o
3/
0.
c.
In
co
ming
w
ire size
rang
e f
o
r
non-f
u
sed
disconn
ect wi
th
MCA a
b
ove 1
70.
1
amps
is 4 AWG t
o
3
50 kcmil
.
4.
Ref
er to
cer
tif
ied
d
imension
al dra
w
ings for
exact locat
ion
s of
th
e main po
w
e
r
and
cont
rol
po
wer
ent
rance
locat
ion
s.
5.
Termina
l 2
4
of t
he LVT is
fo
r cont
rol of
chi
lled wat
e
r pump (CWP)
st
art
e
r.
Ter
-
minal
20 o
f
the
LVT i
s
for
cont
rol
of
co
nden
se
r pump
(CNP)
st
art
er
or con
-
den
se
r fa
n re
lay (CFR).
The maximum
load
allowed
fo
r t
he r
e
lays is 5 V
A
sealed
. 10 VA
in
rush at
24
V
A
C. Field
po
wer su
pply is
no
t re
q
uired
.
6.
Termina
l 25
of
LVT is f
o
r
an al
arm re
lay.
T
h
e maximum l
oad
allowed
fo
r
alar
m relay is 5 VA
se
aled
, 10
VA in
rush at
24 V
A
C. Fie
ld power
su
pply is
not
re
q
ui
red.
7.
Make ap
propr
iat
e conne
ct
ion
s
to
LVT as shown
for
ener
gy manag
ement
b
oa
rd opt
ions.
T
h
e co
nta
c
ts
f
or
d
emand limi
t and
ice do
ne opt
ion
s
must
b
e
rat
ed
fo
r dr
y
ci
rcuit
app
licat
ion cap
a
b
le
of
ha
ndlin
g 24
VA
C loa
d
up
t
o
50
mA.
In
st
all
ati
on of op
tio
nal ene
rgy
ma
nage
m
e
nt
b
o
a
rd re
q
uired
.
8.
Remove jumper
b
e
twee
n
t
e
rmin
a
ls 16
an
d 1
7
whe
n
f
ield
chill
ed
w
a
te
r pu
mp
interlo
c
k (CWPI) is
in
s
talle
d.
9.
All discret
e inpu
ts are 24 VA
C.
