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18
ECM INTERF
ACE BOARD LA
YOUT
Y
G
G
G
G
R
W
O
Y
2
Y
1
G
R
C
Y
2
Y
1
G
O
W
C
R
D
H
A
L
1
A
A
A
L
1
S
W1
S
W2
S
W3
S
W4
S
W5
S
W6
S
W7
S
W8
S
W9
OF
F
ON
G
D
E
HU
M
C
F
M
T
B
1
J1
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
—
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
BR
—
Blo
w
er
Re
la
y
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
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
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
P1
—
Fi
el
d Wi
ri
ng
T
e
rm
inal
Bl
oc
k
RV
S
—
Re
v
e
rs
in
g
V
a
lv
e Sol
e
noi
d
TRAN
S
—
T
ran
sf
o
rme
r
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
.
FP
1 th
er
mi
st
or
p
ro
v
id
es f
re
e
z
e
pr
ot
ec
ti
o
n
f
o
r
w
a
te
r.
Whe
n
us
in
g an
ti
fr
e
e
z
e
so
lu
ti
o
n
s
, c
u
t
J
W
3
ju
mpe
r.
4
.
T
y
pi
ca
l
Aqu
a
z
o
n
e
™ t
h
e
rmo
st
at
wi
ri
n
g
s
h
o
w
n.
Re
fe
r t
o
t
h
e
rmo
st
at
i
n
s
tal
la
ti
o
n
i
n
st
ru
ct
io
ns
f
o
r wi
r-
in
g
t
o
t
h
e
u
n
it
. Th
er
mos
ta
t
wi
ri
n
g
m
u
st
be
Cl
as
s 1 an
d v
o
lt
a
ge r
a
ti
n
g
eq
ual
to
or
g
rea
te
r
th
a
n
un
it
s
upp
ly
v
o
lt
ag
e
.
5.
2
4
-v
a
lar
m sig
n
a
l s
h
o
w
n. F
o
r dr
y a
la
rm co
nt
ac
t, c
u
t
J
W
1
jump
er
an
d d
ry
co
n
tac
t w
ill
be
a
v
a
ila
b
le
b
e
tw
ee
n AL1
and
AL2
.
6
.
T
rans
fo
rm
er
sec
on
da
ry
g
rou
nd v
ia
Co
mpl
e
te
C bo
ar
d st
an
do
ff
s
a
n
d
s
c
re
ws to
c
o
n
tr
o
l bo
x.
(G
ro
un
d a
v
a
ila
b
le
f
rom to
p t
w
o st
an
do
ff
s
a
s
sh
o
w
n
.)
7
.
Aq
ua
st
at
i
s
f
ie
ld
-s
u
p
p
lie
d
an
d mu
st
be
wi
re
d i
n
se
ri
es
wi
th
t
h
e
ho
t l
e
g t
o
t
h
e p
u
mp
. Aq
uas
ta
t i
s
ra
ted f
o
r v
o
lt
a
ge u
p
to
277
v
.
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
.
LE
GEND
Fi
el
d Li
n
e
V
o
lt
a
g
e
Wir
ing
Fi
el
d Lo
w V
o
lt
ag
e Wi
ri
ng
Pr
int
e
d
Cir
c
u
it
T
ra
c
e
Op
tio
na
l Wir
ing
Rela
y/Con
tacto
r Coil
C
o
nd
en
s
a
te
P
a
n
So
len
o
id Coil
T
e
mp
erat
ur
e Swi
tc
h
T
h
er
mi
st
or
G
rou
nd
Wi
re Nut
Fi
g
.
1
9
— Wirin
g
o
f 50
PT
H,P
T
V
,PT
D0
26
-0
72
U
n
it
s
w
it
h
Co
mp
let
e
C
C
o
nt
ro
ll
er
, Th
re
e Ph
as
e (4
60
V)