Carrier AQUAZONE 50PTD026, Installation And Service Instructions Manual

Page: 15 / 64

15
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 R
e
la
y Co
n
tac
ts
AST
A
T
—
A
q
u
ast
a
t
BM
—
Bl
o
w
e
r Mo
to
r
CAP
—
C
apa
ci
to
r
CB
—
Ci
rc
ui
t B
re
a
k
e
r
CC
—
Co
mp
re
ss
or
C
o
n
ta
c
to
r
CO
—
S
e
n
sor
, Co
nd
en
sat
e
Ov
er
fl
o
w
COMPR
—
Co
mp
re
ss
or
DDC
—
Di
re
ct
Dig
ita
l Co
ntr
o
l
DTS
—
D
is
c
h
a
rge T
e
mp Sw
it
ch
ECM
—
El
ec
tro
n
ica
lly C
o
mm
u
tat
ed
Mo
to
r
FP1
—
S
e
n
sor
, W
a
te
r Co
il F
ree
z
e
Pro
tect
io
n
FP2
—
S
e
n
sor
, Ai
r Coi
l
F
reez
e Pr
ot
e
c
ti
o
n
HP
—
H
ig
h
-P
ress
ur
e Sw
it
ch
HWG
—
Ho
t W
a
te
r
Gen
e
ra
tor
JW1
—
J
u
mp
er
, Al
ar
m
NSB
—
D
ig
it
a
l Ni
gh
t Se
tbac
k
LOC
—
Lo
ss
o
f C
h
ar
ge
P
re
s
s
u
re
Sw
it
ch
MV
—
Moto
ri
z
e
d V
a
lv
e
NEC
—
Na
ti
on
al
E
lec
tr
ic
al
C
o
d
e
L
E
GE
ND
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
uni
t m
u
st
comp
ly wi
th
NEC an
d l
oca
l
c
o
d
e
s
.
3.
T
ran
sf
o
rme
r
fo
r
208
/230
v
wi
ll b
e
c
onn
ec
te
d f
o
r 2
0
8
v o
p
e
ra
ti
o
n
. F
o
r 2
3
0
v o
p
e
rat
io
n
,
di
sc
on-
ne
ct RED
lead
a
t L
1
and
a
ttac
h
ORN lea
d
to
L1
.
In
su
la
te o
p
e
n
e
n
d
of RE
D lea
d
. T
rans
fo
rm
er
fo
r 22
0/
24
0 v w
ill
b
e
co
nn
ec
te
d f
o
r
2
2
0
v
o
p
e
rat
ion
. F
o
r 24
0 v op
er
a
tio
n,
d
isc
o
n
n
e
c
t RE
D
le
ad
at
L1
an
d at
ta
c
h
ORN
le
ad
to
L1
. T
ran
sf
o
rme
r i
s
ene
rg
y l
im
it
in
g
or
ma
y
ha
v
e
ci
rc
u
it
br
ea
k
e
r.
4.
F
P
1 t
h
e
rmi
st
o
r pr
o
v
id
e
s
fr
ee
z
e
pr
ot
ec
ti
on
f
o
r
w
a
te
r.
Whe
n
us
in
g an
ti
fr
eez
e s
o
lu
ti
ons
,
c
u
t
JW3 j
u
mp
er
.
5
.
T
y
p
ica
l A
q
ua
z
o
ne
™ t
h
e
rmo
st
at
w
ir
ing
s
h
o
w
n
.
Re
fe
r t
o
t
h
e
rmo
st
at
ins
ta
lla
ti
on
in
st
ru
ct
io
ns
f
o
r
w
ir
in
g
to
th
e
u
n
it
.
T
h
er
mos
ta
t
w
ir
in
g
m
u
st
b
e
Cl
as
s 1 an
d
v
o
lt
ag
e
r
a
ti
ng
eq
ua
l to or
g
rea
te
r
th
a
n
un
it su
pp
ly
v
o
lt
ag
e
.
6.
2
4
-v
a
la
rm
si
gn
al
sh
o
w
n
.
F
o
r d
ry a
la
rm co
nt
ac
t,
cu
t AL2
dr
y j
u
mp
er
an
d dr
y c
o
n
ta
c
t wi
ll b
e
a
v
ai
la
b
le be
tw
een
AL1
a
n
d
A
L
2
.
7.
T
ran
sf
o
rme
r se
co
nd
ar
y
gro
und
v
ia Del
u
x
e
D bo
ar
d st
an
do
ff
s
a
nd s
c
re
w
s
to
c
o
n
tr
o
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
an
d
m
u
st
b
e
w
ir
e
d
i
n
ser
ies
wi
th
t
h
e
ho
t l
e
g
t
o
t
h
e
p
u
mp
. Aq
ua
st
at
is
r
a
te
d f
o
r
v
o
lt
age
up t
o
27
7 v
.
9.
P
la
c
e
j
u
mp
er
s o
n
2 an
d 3,
ECM bo
ar
d,
whe
n
de
humi
d
if
ic
a
ti
o
n mod
e
is
use
d.
Fi
g. 1
6
— Wi
ri
ng of
50PTH,
P
TV
,P
T
D
0
2
6
-07
2 Uni
ts w
it
h
De
lu
x
e
D
Cont
ro
ll
er
, Si
ngl
e Phas
e (2
08/
23
0 V)
P1
—
Fiel
d Wi
ri
ng
T
e
rm
inal
Blo
c
k
RV
S
—
Re
v
e
rsing V
a
lv
e
S
o
leno
id
TRANS
—
T
ransf
or
mer
Fiel
d
L
ine V
o
lta
ge Wir
ing
Fiel
d L
o
w V
o
lt
age
Wir
ing
Pr
inted Circuit T
race
Rela
y/C
o
ntactor
Coi
l
Con
densat
e P
a
n
So
leno
id C
o
il
Ther
misto
r
G
round
Wir
e
Nu
t