Carrier AQUAZONE 50PTD026, Installation And Service Instructions Manual

Page: 19 / 64

19
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
BM
(ECM)
SW1 S
W2
S
W3
S
W4
S
W5
S
W6
S
W7
S
W8
S
W9
OF
F
O
N
AL
—
A
la
rm Re
la
y
C
o
nt
ac
ts
AST
A
T
—
A
q
ua
st
at
BM
—
Blo
w
e
r Mo
to
r
BR
—
Blo
w
e
r Re
la
y
CB
—
Circu
it Brea
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
DDC
—
D
ire
ct Di
gi
tal
C
o
n
tr
o
l
DTS
—
D
isc
ha
rg
e T
e
mp Sw
it
ch
ECM
—
E
le
c
tro
ni
ca
lly
C
o
mm
ut
at
ed
Mo
tor
FP1
—
S
e
ns
or
,
W
a
te
r C
o
il F
ree
z
e
P
ro
te
c
ti
o
n
FP2
—
S
e
ns
or
, Ai
r
C
o
il F
re
e
z
e
Pr
ot
ec
tio
n
HP
—
H
igh
-P
re
ss
ur
e Sw
it
ch
HWG
—
Ho
t W
a
te
r
Ge
n
e
ra
to
r
JW1
—
Ju
m
p
e
r,
A
la
rm
NSB
—
D
igit
a
l N
igh
t
Se
tb
ac
k
LOC
—
Los
s of
Cha
rg
e
Pr
es
su
re
S
w
it
c
h
MV
—
Mo
to
ri
z
e
d V
a
lv
e
NEC
—
Na
tio
n
a
l El
ec
tr
ica
l Co
d
e
LEGE
N
D
P1
—
F
ie
ld Wir
ing T
e
rm
in
al
Bl
oc
k
RV
S
—
Re
v
e
rs
in
g V
a
lv
e So
le
no
id
TRANS
—
T
ra
nsf
o
rme
r
F
ie
ld Li
ne
V
o
lt
age
Wir
in
g
F
ie
ld Lo
w V
o
lt
a
g
e
Wir
ing
Pr
in
te
d Ci
rcu
it
T
ra
c
e
Re
la
y/C
o
nt
ac
to
r C
o
il
C
ond
en
sa
te
P
a
n
So
le
no
id
Coi
l
Th
er
mis
tor
G
ro
und
Wire Nut
N
O
TES
:
1
.
Co
mpr
ess
or
and
b
lo
w
er
mo
to
r
th
e
rmal
ly
pr
ot
ec
te
d i
n
te
rn
a
lly
.
2.
All
wi
ri
ng
to
th
e
un
it
m
u
st
co
mpl
y
wi
th
NEC
an
d
loc
a
l c
o
d
e
s
.
3.
F
P
1
th
er
mist
or
pr
o
v
ide
s
fr
e
e
z
e
p
ro
tec
ti
on
f
o
r
w
a
te
r.
Wh
e
n
u
s
in
g a
n
tifr
ee
z
e
so
lu
tio
ns
, cu
t J
W
3
ju
mper
.
4
.
T
y
pi
ca
l
Aq
uaz
on
e™ t
h
er
mos
ta
t wi
ri
ng
s
h
o
w
n.
Re
fe
r t
o
t
her
mo
st
at
i
n
s
tal
la
ti
o
n
in
st
ru
ct
ions
f
o
r
wi
ri
ng
to
t
h
e un
it
. Th
er
mos
ta
t wir
ing mu
st
be
C
la
s
s
1 an
d v
o
lt
a
g
e
r
a
ti
n
g
eq
ual
t
o
o
r g
rea
te
r
th
an u
n
it
su
ppl
y
v
o
lt
age
.
5
.
24
-v
al
ar
m si
g
nal
sh
o
w
n.
F
o
r d
ry a
la
rm con
tact
, cu
t A
L2 d
ry
ju
mpe
r an
d d
ry c
o
n
ta
c
t wi
ll b
e
a
v
a
ila
b
le
b
e
tw
ee
n AL
1 an
d AL2
.
6
.
T
rans
fo
rm
er
s
e
c
o
n
dar
y
g
ro
u
n
d
v
ia D
e
lu
x
e
D b
o
a
rd
st
a
ndo
ff
s
a
nd
sc
re
ws
t
o
co
nt
ro
l
bo
x.
(Gr
o
u
n
d
a
v
a
ilab
le
f
ro
m
to
p
tw
o
st
an
do
ffs
a
s
sh
o
w
n
.)
7.
F
a
n mot
o
rs
a
re
f
a
ct
or
y w
ir
e
d
f
o
r
me
di
um sp
e
e
d
. F
o
r hi
gh
or
l
o
w
s
p
e
e
d
,
re
mo
v
e
BL
U
wi
re
f
ro
m
f
a
n
moto
r sp
ee
d
ta
p “M
”
or
“3
”
an
d co
nn
e
c
t to
“H
”
or
“2
”
f
o
r hi
g
h
sp
eed
or
“
L
”
or
“
4
”
f
o
r l
o
w sp
ee
d.
8.
P
la
c
e
ju
mpe
rs
o
n
2 an
d 3, EC
M bo
ar
d,
w
h
e
n
de
hu
mid
ifi
ca
tio
n mod
e
is
us
e
d
.
F
ig
. 20
—
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 (4
60 V)