Carrier AQUAZONE 50PTH - Manual (Page 17)

17
ECM INTERF
ACE BOARD LA
YOUT
Y
G G G G R
W O Y2 Y1 G R
C
Y2
Y1
G
O
W
C
R
DH
AL
1
A
A
AL
1
SW
1
SW
2
SW
3
SW
4
SW
5
SW
6
SW
7
SW
8
SW
9 OFF
ON
G
DEH
UM
C
FM
T B1
J 1 S 1
BM (ECM)
ECM
INTERF
ACE
BOARD
SW1 S W2 S W3 S W4 S W5 S W6 S W7 S W8 S W9
OF
F
O
N BM
(ECM)
AL
—
Al
ar
m Rel
a
y Con
ta
c
ts
AST
A
T
—
A
q
ua
st
at
BM
—
Blo
w
er
Mo
to
r
CB
—
Ci
rc
ui
t Br
ea
k
e
r
CC
—
Comp
re
ss
or
Co
nt
ac
to
r
CO
—
Sen
s
o
r,
C
ond
en
sa
te
O
v
er
fl
o
w
COMPR
—
Comp
re
ss
or
DDC
—
Dire
ct D
ig
ita
l
Co
ntro
l
DTS
—
Di
sch
ar
ge
T
e
mp
S
w
it
c
h
ECM
—
El
ec
tr
on
ic
al
ly
Commu
ta
ted Mo
to
r
FP1
—
S
e
ns
or
,
W
a
te
r C
o
il F
ree
z
e
P
ro
te
c
ti
on
FP2
—
S
e
ns
or
, Ai
r
C
o
il F
re
e
z
e
Pr
ot
ec
tio
n
HP
—
Hi
gh-
Pr
es
su
re
S
w
it
c
h
HWG
—
Ho
t W
a
te
r
Ge
n
e
ra
to
r
JW1
—
Ju
m
p
e
r,
A
la
rm
NSB
—
Dig
it
a
l Nigh
t Se
tb
ac
k
LOC
—
Lo
ss o
f Ch
ar
ge Pr
es
su
re
S
w
it
c
h
MV
—
Motor
iz
e
d V
a
lv
e
NEC
—
Na
tio
na
l El
ec
tr
ica
l Co
d
e
LEGEND
NO
TE
S:
1
.
Comp
re
ss
or
a
n
d
b
lo
w
e
r mo
to
r t
h
e
rma
lly
p
ro
tec
te
d
in
ter
n
a
lly
.
2.
A
ll wi
ri
ng
t
o
t
h
e
u
n
it
m
u
st
comp
ly wi
th
N
E
C an
d l
oca
l
c
o
d
e
s
.
3.
T
ran
sf
o
rme
r f
o
r 20
8/
23
0 v wi
ll be
c
o
n
nec
ted f
o
r 20
8 v op
erat
io
n.
F
o
r 23
0 v op
erat
io
n,
di
s-
co
nne
ct RE
D le
ad
at L
1
an
d a
tta
ch
ORN lea
d
to L
1
. Ins
u
late
ope
n e
n
d
of RED
le
ad
. T
ran
s-
fo
rm
er
f
o
r 2
2
0
/2
4
0
v
wil
l b
e
c
o
n
nec
ted
fo
r 22
0
v o
p
e
rat
io
n
.
F
o
r 2
4
0
v
op
er
a
ti
o
n,
di
s
con
ne
ct
RED
le
ad
at
L1
an
d a
tta
ch
ORN
le
ad
to
L1. T
ra
nsf
o
rme
r is e
n
e
rg
y
limiting
o
r
ma
y
h
a
v
e
cir-
cu
it
br
ea
k
e
r.
4
.
FP1
t
h
e
rmis
to
r pr
o
v
id
es
f
re
e
z
e
p
ro
tec
ti
on
f
o
r w
a
te
r.
Whe
n
u
s
in
g
a
n
tifr
ee
z
e
so
lu
tio
ns
, cu
t
JW3 j
u
mp
er
.
5.
T
ypi
c
a
l Aq
uaz
on
e™ t
h
e
rmost
a
t w
ir
ing
sho
wn
. R
e
fe
r t
o
t
h
er
mos
ta
t
in
st
al
la
ti
on
in
st
ru
ct
ions
fo
r wir
ing t
o
t
h
e
un
it
. The
rmost
a
t wi
ri
n
g
mus
t b
e
Cl
as
s 1 a
nd v
o
lt
age
r
a
ti
n
g
equ
al
t
o
or
g
rea
te
r
th
a
n
un
it su
pp
ly
v
o
lt
ag
e
.
6.
2
4
-v
al
ar
m si
gn
al
s
h
o
w
n.
F
o
r dr
y al
ar
m con
tact
,
c
u
t AL2
d
ry
j
u
mp
er
a
n
d
d
ry co
nt
ac
t
wi
ll be
a
v
ai
la
b
le be
tw
een
AL1
a
n
d
A
L
2
.
7.
T
ran
sf
o
rme
r s
e
c
o
n
dar
y g
rou
nd
vi
a De
lu
x
e
D b
o
a
rd
st
an
do
ff
s a
n
d
sc
re
ws
to
co
nt
ro
l bo
x.
(G
ro
un
d a
v
a
ila
b
le
fr
om to
p
tw
o st
an
do
ffs
a
s
sh
o
w
n
.)
8.
A
qua
st
at
i
s
f
ie
ld
-sup
pl
ie
d
a
n
d
mu
st
be wi
re
d
in
s
e
ri
e
s
wi
th
t
he h
o
t le
g t
o
t
he p
u
mp
.
A
q
ua
st
at
is
r
a
te
d
f
o
r v
o
lt
ag
e
up
t
o
2
7
7
v
.
9.
P
la
c
e
j
u
mp
er
s on
2 an
d 3,
ECM bo
ar
d,
whe
n
de
humi
d
if
ic
a
ti
o
n
mod
e
is
use
d.
F
ig
. 18
—
Wi
ri
ng of
5
0
PTH,
PTV
,PTD0
26-
07
2 Un
it
s wi
th
De
lux
e
D Cont
ro
ll
e
r,
Thre
e
Phas
e (2
08/
2
30 V)
P1
—
Field
Wir
ing T
e
rm
inal Bloc
k
RV
S
—
Re
v
e
rsi
ng V
a
lv
e So
lenoi
d
TRA
N
S
—
T
ran
sf
or
mer
Field
Li
ne V
o
lta
ge Wir
in
g
Field
Lo
w V
o
lt
age Wir
ing
Pr
inted Circuit
T
race
Rela
y/Co
nta
c
tor Coil
Cond
ensat
e P
a
n
So
lenoi
d Co
il
Ther
mist
or
Gr
ound
Wire
Nut