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20
*O
pti
onal Wir
ing.
AL
—
A
lar
m Rela
y
Con
ta
c
ts
AST
A
T
—
A
quast
a
t
BM
—
Blo
w
e
r M
o
to
r
BMC
—
B
lo
w
er Mot
o
r Capacit
or
BR
—
B
lo
w
er Rela
y
CB
—
Cir
c
u
it Bre
a
k
e
r
CC
—
Comp
ressor Cont
acto
r
CO
—
S
ensor
, Co
ndensat
e
Ov
erf
lo
w
DTS
—
Dischar
ge T
e
mper
atu
re Swit
ch
EC
M
—
E
lectr
onically Comm
ut
at
ed Mot
o
r
FP1
—
S
ensor
,
W
a
te
r Coil F
re
e
z
e
Pr
ot
ectio
n
FP2
—
S
ensor
,
A
ir Coil F
reez
e Pro
tect
ion
HP
—
Hig
h-Pr
ess
u
re Switc
h
HPWS
—
Hig
h-Pr
essu
re W
a
ter
S
w
it
ch
HWG
—
Hot
W
a
ter
G
ener
at
or
JW1
—
Cli
ppab
le Field Se
lectio
n J
u
mper
LO
C
—
L
o
ss of
Ch
arge Pr
essu
re Swit
ch
LO
N
—
L
o
cal Oper
at
ing Net
w
or
k
MV
—
Mo
tor
iz
ed V
a
lv
e
MVE
S
—
Mo
tor
iz
ed V
a
lv
e En
d
S
witch
NEC
—
Nat
ion
al Elect
rical
Code
P1
—
Fie
ld Wir
in
g
T
e
rm
inal Bl
oc
k
RV
S
—
Re
v
e
rsing V
a
lv
e
S
o
len
o
id
TRANS
—
T
ransf
o
rm
e
r
NO
TE
S
:
1.
C
o
mpressor and
b
lo
w
er mot
o
r t
her
ma
lly
pr
ot
ected
in
te
rnall
y.
2.
All wir
in
g to t
he unit
m
u
st co
mply
with
NEC
and
lo
c
a
l cod
e
s
.
3.
T
ransf
o
rm
er is
wire
d
t
o
460 v
(B
LK/
R
ED) lea
d
f
o
r
4
60/
3/
60 unit
s
. T
ransf
o
rm
er is en
ergy limit
ing or ma
y
ha
v
e
circuit
b
reak
e
r.
4.
F
P
1 the
rmisto
r pro
v
ides fr
eez
e
p
rot
ectio
n
f
o
r w
a
te
r.
When using
a
n
ti
fre
e
z
e
solu
tio
n
s
, cu
t JW3
ju
mper
.
5.
T
y
pi
ca
l
ther
mosta
t wir
ing sho
w
n.
Ref
e
r to
t
her
mosta
t inst
allat
ion
in
st
ru
ctio
ns
fo
r w
ir
ing
t
o
t
he unit
.
Th
er-
mostat
wir
in
g
m
u
st
be Class
1 an
d
v
o
lt
ag
e
ra
ti
ng equ
al to or
g
reat
er t
han unit
su
pply v
o
lta
g
e
.
6.
F
a
ct
or
y cut
JW1
jump
er
. Dr
y cont
act
will
be
a
v
ailab
le
bet
w
een
A
L1
and
AL
2.
7.
T
ransf
o
rm
er second
ar
y g
rou
nd via Comp
let
e
C boa
rd st
ando
ff
s and scre
w
s
to con
tr
o
l bo
x. (
G
rou
n
d
a
v
aila
b
le
f
rom to
p
tw
o sta
ndof
fs
as sh
o
w
n
.)
8.
Aqua
st
at
i
s
suppl
ied with
u
n
it
an
d m
u
st be wire
d
i
n
ser
ies with
t
he hot
leg to
t
he pu
mp
. Aq
uasta
t is
ra
te
d
fo
r v
o
lta
ges up to 27
7-v
.
9.
Opt
iona
l
L
O
N w
ires
. Onl
y
conne
ct
if LO
N
conn
ectio
n
i
s
desir
ed at
t
he w
a
ll se
nsor
.
1
0
.
F
an
mot
o
rs are
f
a
ct
or
y wir
ed f
o
r medi
um speed
. F
o
r hi
gh or
lo
w speed
, r
e
mo
v
e
BLU wir
e
f
rom f
a
n mot
o
r
sp
eed t
ap “M
”
and conne
ct
to
“H
”
f
o
r
hi
gh sp
eed or “L
”
f
o
r lo
w sp
eed.
1
1
.
F
or
lo
w speed
,
remo
v
e
B
L
K wir
e
f
rom
BR “6
”
and
rep
lace wit
h
RED
.
Conne
ct
B
L
K a
nd
BRN wires
tog
e
ther
.
1
2
.
F
or
b
lo
w
e
r mot
o
rs wit
h l
eads
.
F
o
r
mediu
m
or l
o
w
sp
eed,
d
iscon
nect
BLK
wire
fro
m
BR “
6
”
. Conne
ct
B
L
K
and ORG
/PUR wire t
oget
her
. Conne
ct
R
E
D
fo
r
lo
w
or
BL
U
fo
r
me
dium to
B
R
“6
”
.
1
3
.
T
h
e
460
-v unit
s
using an
ECM (ele
ct
ro
nically comm
ut
at
ed mot
o
r)
f
an mo
tor
, mod
u
lat
ing HWR,
and
/or
an
int
e
rn
a
l second
ar
y
pump
w
ill re
quire
a
neut
ra
l wire
fr
om t
he
su
pply side
in
orde
r t
o
f
e
ed
the
accesso
ry
w
ith 26
5-v
.
C
o
mplet
e
C
a50-8363
LEGEND
F
ield
Line
V
o
lt
age
Wir
ing
F
ield Lo
w V
o
lt
ag
e
W
ir
in
g
Pr
in
te
d Cir
c
u
it
T
race
Opt
iona
l Wi
ri
ng
R
e
la
y
/Contactor Coil
C
o
nden
sa
te
P
a
n
Solen
o
id Coil
T
e
mper
a
tu
re Swit
ch
T
h
er
mist
or
Grou
nd
Wire Nut
R
e
la
y Cont
act
s
- N.C
.
R
e
la
y Cont
act
s
- N.O
.
Lo
w P
ressure
Switch
H
igh P
ressure
Sw
it
ch
Splice Cap
C
ircuit
B
reak
e
r
Fig
. 21
— Wi
ri
ng of
50PTH,
P
TV
,PT
D
0
26-
07
2 Unit
s wi
th
Co
mp
le
te
C and
LO
N
Cont
ro
ll
er
, Th
ree Pha
se (
460
V)