24
Fi
g.
1
8
— Fi
el
d Wir
in
g
, 30
HXA,
C0
76
-2
7
1
S
EE
NO
TE 12
S
EE
NO
TE 12
1.
F
a
ct
or
y
wir
ing is
in accorda
n
ce
wit
h Nati
onal Ele
c
tr
ic
a
l
Code
(NE
C
).
Field modif
icat
ions or addit
ion
s m
u
st
be in complia
nce
w
it
h all
appl
ica
b
le
cod
e
s
.
2.
Wir
ing f
o
r ma
in fi
eld supp
ly m
u
st
be r
a
ted 75 C mini
m
u
m.
Use
cop
per f
o
r all uni
ts
. Maxim
u
m incoming
wir
e siz
e
f
o
r each t
e
rm
in
al
b
lo
c
k
is 500 kcm
il.
3.
P
o
w
e
r f
o
r co
ntr
o
l circuit
sho
u
ld be
sup
p
lied
f
ro
m
a
sep
a
ra
te
sour
ce
(
e
xcept
380/
41
5v
u
n
it
s)
t
h
ro
ugh a f
ield
-suppli
ed disconne
ct
with
15A ma
xi
m
u
m pro
te
c
ti
on
fo
r 11
5v co
ntr
o
l circuit
s
and
15A ma
xim
u
m prot
ect
ion f
o
r 230
v con
tr
o
l circuit
. Co
nnect
co
nt
rol circ
uit
po
w
e
r
to
te
rm
ina
ls 1 a
nd 2
of
TB4.
Con
tro
l circuit
cond
uctor
s
f
o
r
all u
n
it
s
m
u
st
be cop
per
only
. Co
ntr
o
l circui
t p
o
w
e
r i
s
f
a
cto
ry
wir
ed
fo
r 3
8
0
/4
15
v
un
it
s.
4.
T
e
rm
ina
ls
1
3
and 14 TB5
a
re f
o
r f
ield e
x
te
rnal conn
ectio
n
f
o
r
remo
te on
-of
f.
The
con
tact
s
m
u
st
be r
a
ted
f
o
r dr
y circuit
app
licat
ion
ca
pab
le of
ha
ndlin
g a
2
4
v
a
c
lo
ad up to
50
mA.
5.
T
e
rm
ina
ls 1 a
nd 2
of
TB5
are f
o
r chil
led w
a
te
r
pump
int
e
rl
o
c
k (CWPI
) f
unct
ions
. If
a
dded,
chil
led
w
a
te
r
pump
int
e
rl
oc
k cont
ac
ts
m
u
st
be wire
d
in ser
ies wit
h f
lo
w
cont
acts
. T
h
e cont
acts m
u
st
be
r
a
ted
fo
r dr
y circ
uit
ap
plicat
ion cap
a
b
le of
han
dling
a 24v
ac
lo
ad
up to
5
0
mA.
Chi
lled w
a
te
r flo
w
s
wit
ch
(
C
WFS
)
is
f
a
ct
or
y inst
alle
d.
6.
T
e
rm
ina
ls
10 and
12 of
TB5 are f
o
r contro
l
of
the chi
lled
w
a
ter
pump
sta
rter
. The
maxim
u
m
load
allo
w
e
d f
o
r the
chilled
w
a
ter
pu
m
p
rela
y
is
75v
a seale
d
, 36
0v
a
in
ru
sh at
1
15v or
230v
. Sepa
ra
te
fie
ld po
w
e
r supp
ly is not
r
equir
ed.
7.
T
e
rm
ina
ls 11
and
12 o
f TB
5 ar
e f
o
r ala
rm re
la
y.
The ma
xim
u
m loa
d
al
lo
w
ed
fo
r t
h
e
alar
m rel
a
y is
75v
a seal
ed,
360
v
a
inr
u
sh at
115v or 230
v.
Sep
a
ra
te f
ield po
w
e
r
sup
p
ly
is not
requ
ired.
8.
T
e
rm
ina
ls 7
and
9 of
TB
2 ar
e f
o
r cond
enser
w
a
ter
pump
(HXC)
or
ci
rcuit
A
co
nden
se
r f
a
n
cont
act
o
r (
H
X
A
o
n
ly).
T
e
rm
in
als 8
and
9
of
TB2
are
fo
r
circuit
B
cont
acto
r (HX
A
o
n
ly) o
r liq
uid
line
sol
eno
id v
a
lv
es (f
act
o
ry
-w
ir
ed 30HXC br
in
e).
The maxim
u
m load
all
o
we
d
is
7
5
v
a
sea
led,
360v
a inr
u
sh at
115v or 230
v.
Se
par
a
te
f
ield
p
o
w
e
r suppl
y is not
requi
red.
Liqui
d line solen
o
id v
a
lv
es (30HXA
o
nly)
m
u
st
be
conn
ecte
d i
n
p
a
ra
llel f
an cont
acto
rs
as sho
w
n.
9.
T
e
rm
ina
ls 5 an
d 6 o
f TB2
are
fo
r con
denser
flo
w
s
witch (
C
N
F
S
) and
/or
conde
nser pu
mp int
e
rl
oc
k (CNPI
).
The con
tact
s
m
u
st
be
ra
ted f
o
r
dr
y cir
c
u
it ap
plicat
ion capab
le of
h
andli
ng a 24v
ac
lo
ad up t
o
5
0
mA.
10.
Mak
e
a
ppro
p
ri
a
te
connect
ions t
o
TB
6 as sho
w
n
fo
r e
nerg
y
m
ana
gemen
t b
oard
opt
ions
. The cont
act
s
f
o
r d
e
mand
limit
and
ice
done
o
p
ti
ons m
u
st
be
ra
te
d
f
o
r d
ry
ci
rcuit
ap
plic
at
ion capab
le of
handl
ing a 24v
ac
load up t
o
50mA.
11.
TB1B suppl
ied on 30HX
A
186
2
08/
230v Y
-D
e
lta
, 30HX
A
206
-271
20
8/2
30,
2
30v Y
-Del
ta an
d
b
y
spe
c
ia
l order
.
12.
500 kcmil
if
minim
u
m
circui
t amps (MCA)
2
00A,
300 kcmi
l
if
MCA
20
0A.
>
≤
LEGE
ND
A—
Ala
rm
CWPI
—
Chil
led W
a
te
r
P
u
mp In
te
rl
oc
k
OA
T
—
Ou
tdo
o
r Air T
e
mpe
rat
ure
CFR
—
Conde
nser F
a
n
Re
la
y
EMM
—
En
erg
y
Man
ageme
n
t
Mod
u
le
SPT
—
Sp
ace T
e
mp
er
at
ur
e
CNFS
—
Conde
nser Flo
w
S
w
it
ch
EWT
—
En
te
ri
ng
W
a
te
r
T
e
mper
at
ure
TB
—
T
e
rm
in
al Bloc
k
CNP
I
—
Conde
nser Pump
I
n
te
rl
o
c
k
FI
OP
—
F
a
ct
or
y-Installed Opt
ion
F
a
ct
or
y
In
stalled Wi
ri
ng
CNP
R
—
Conde
nser W
a
te
r
P
u
mp
LL
SV
—
Li
quid
Lin
e
S
o
len
o
id
V
a
lv
e
F
ield
Con
tro
l Wi
ri
ng
CWFS
—
Chille
d
W
a
ter Flo
w
Switc
h
LW
T
—
Le
a
v
ing
W
a
te
r
T
e
mper
at
ure
F
ield
P
o
w
e
r Wi
ri
ng
CWP
—
Chille
d W
a
ter
Pu
mp
NEC
—
Nat
ion
al Elect
rical Code
a30-4650
