Carrier AQUAZONE 50PTH - Manual (Page 22)

22
LEG
E
ND
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
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
JW
—
J
u
mper Wire
LO
C
—
L
o
ss of
Ch
arge Pr
essu
re Swit
ch
LW
T
—
L
e
a
v
ing
W
a
te
r
T
e
mper
at
ure
MV
—
Mo
tor
iz
e
d V
a
lv
e
MVE
S
—
Mo
tor
iz
e
d V
a
lv
e End
S
witch
NEC
—
Nat
ion
al Elect
rical Code
P1
—
Fie
ld Wir
in
g
T
e
rm
inal Bl
oc
k
RH
—
Rel
a
ti
v
e
Humid
ity
RV
S
—
Re
v
e
rsing V
a
lv
e
S
o
len
o
id
SP
T
—
S
pace T
e
mper
atu
re Sen
s
o
r
TRANS
—
T
ransf
or
mer
De
lu
xe
D
Fie
ld
Line
V
o
lt
age
Wir
ing
R
e
la
y Cont
act
s
- N.C
.
Fie
ld
Lo
w V
o
lt
ag
e Wi
ri
ng
R
e
la
y Cont
act
s
- N.O
.
P
rin
ted
Cir
c
u
it
T
race
Lo
w P
ressure
Switch
O
p
ti
ona
l Wi
ri
ng
H
igh P
ressure
Sw
it
ch
Re
la
y/
Cont
acto
r C
o
il
C
ircuit
Br
eak
er
Co
nden
sa
te Float
Swit
ch
Splice Cap
S
o
len
o
id Coil
T
e
mper
a
tur
e Switch
Th
er
mist
or
G
rou
nd
Wi
re
N
u
t
* Optiona
l
wir
ing
.
NO
TES:
1.
Compre
ssor
an
d b
lo
w
er
mot
o
r t
her
mally p
rot
ecte
d i
n
te
rnal
ly
.
2.
All wir
ing to
t
he unit
m
u
st comply with
NE
C
an
d
lo
cal co
des
.
3.
208-
240
60 Hz un
its a
re wire
d
f
o
r 208
v
oper
at
ion.
F
o
r 240
v
60 Hz
oper
at
ion
s
wit
ch
RED wir
e t
o
O
R
G wir
e
. 2
2402
40v 50
Hz uni
ts a
re
wired
fo
r 24
0v oper
at
ion.
F
o
r 220
v 5
0
Hz oper
at
ion s
w
it
ch O
R
G
wire t
o
RED
. T
ransf
o
rm
er is ener
gy
limiti
ng or ma
y ha
v
e
circuit
brea
k
e
r.
4.
FP1 t
her
m
ist
or p
ro
v
ides lo
w t
e
mper
at
ure 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.
Ref
e
r
to
th
er
most
at
inst
allat
ion
, a
pplicat
ion
and
ope
ra
ti
on
man
u
a
l
fo
r
co
ntr
o
l wir
ing
to
t
he u
n
it
. Wi
re f
rom
ECM t
o
“
Y
” CX
M when
a
mot
o
ri
z
ed v
a
lv
e
is
not
used.
The
rmosta
t wir
ing m
u
st be “Class 1
”
and v
o
lat
age
r
a
ti
ng equa
l
to
or g
reat
er th
an unit
su
pply v
o
lt
ag
e
.
6.
24v alar
m
sig
nal sho
w
n.
F
o
r dr
y alar
m
con
tact
, cut
JW1
j
u
mper
.
Dr
y c
o
nt
act will be a
v
ail
a
b
le
b
e
tw
een AL1
a
nd AL2.
7.
T
ransf
o
rm
er seconda
ry
g
round
via g
reen
wir
e w
ith y
e
llo
w
st
ri
p
e
fr
om “
C
” t
e
rm
inal
to
c
o
n
tro
l b
o
x
8.
Aqu
a
stat
is su
pplie
d wit
h unit
and
m
u
st be
w
ired in
se
ri
es wit
h th
e
hot
l
eg to
t
he pump
. Aqu
a
stat
is
ra
te
d f
o
r v
o
lta
ges up to 27
7v
.
9.
F
o
r
fi
eld
-inst
alled
t
w
o-p
o
siti
on hot
w
a
ter
r
ehea
t coils disconne
ct
wire fr
om
te
rm
inal W1 and conne
ct
to f
ield-
su
pplie
d
h
o
t w
a
te
r
va
lv
e.
Fi
g.
23 —
Wi
ri
ng of 5
0
PTH,PT
V,
PTD02
6
-072
w
it
h Del
u
xe
D and
WSHP
O
p
en
Mu
lt
ip
le
Pr
oto
c
ol
Co
ntr
o
ls
(Si
ngl
e-
Phas
e 208
-2
30 V)
a50-8570