13
Fig. 2
7
—
50
VQ
P0
84
-1
68
U
n
it
wit
h Comple
te
C
Contr
o
l (
T
y
p
ic
al
)
a50-8438
N
O
TES:
1.
C
ompressor and b
lo
w
er motor ther
mally p
rotected inter
nally
.
2.
All w
ir
ing t
o the unit m
ust comply w
ith N
E
C (N
a
tional Electr
ical Code
, U
.S
.A.) and loca
l codes
.
3.
38
0/420-v tr
an
sf
or
mers w
ill
be connected f
or
380-v o
per
ation. F
o
r 420-
v oper
ation,
disconne
ct
VIO lead at L1, a
nd attach BRN lead to L1
. Clo
s
e ope
n end of VIO le
ad.
4.
F
P
I jumper pro
v
ide
s
lo
w temper
ature protec
tio
n
for W
A
TER. When using
ANT
IFR
E
E
Z
E
solu-
tions
, cut JW3 jumper
.
5.
T
y
p
ical
heat pump
ther
mo
stat
wir
ing
sho
w
n. Ref
er to ther
mostat installation in
str
uctions f
or wir-
ing to
the unit. T
her
mostat
wir
in
g m
ust
be “C
la
ss
1” an
d v
oltage r
a
ting
equal to or g
reater than
un
it supply v
o
lta
g
e
.
6.
24
-v alar
m
signal sho
wn
. F
o
r dr
y
ala
rm
con
tac
t, cu
t
JW1
jumper and
dr
y co
ntact will
be a
v
ail-
ab
le
betw
een AL1 and
A
L
2.
7.
T
ransf
or
m
er secondar
y g
round
via Comp
lete C
board
stan
doffs
and scre
ws to control bo
x.
(Ground a
v
ailab
le
from top tw
o stando
ffs as sho
w
n.)
8.
F
or du
al point po
w
er option, b
lo
w
er w
ires (3 qty) will go to
P
D
B2 only
.
AL
—
Alar
m Rela
y
BC
—
Blo
w
er C
ontactor
CB
—
C
ircuit Break
e
r
CC
—
C
o
mpres
s
o
r Con
tactor
CO
—
Sen
s
or
, Cond
ensat
e Ov
erflo
w
DP
P
—
D
ual P
o
int
P
o
w
e
r
DS
—
D
isconnect Switch
FP1
—
Sen
s
or
, W
ater Co
il F
reez
e Protection
FP2
—
Sen
s
or
, Air Coil F
reez
e Protection
HP
—
H
igh-Pressu
re Switch
HP
W
S
—
H
igh-Pressu
re W
ater Switch
JW3
—
C
lippab
le F
ield Selection J
umpe
r
LOC
—
Lo
s
s
o
f C
h
ar
g
e
P
res
su
re
S
w
it
ch
MV
—
Mo
tor
iz
ed V
a
lv
e
PD
B1
—
P
o
w
er Distr
ib
ution Blo
c
k
PD
B2
—
P
o
w
er Distr
ib
ution Blo
c
k Du
al P
o
int Option
RV
S
—
R
e
v
e
rsing V
a
lv
e Soleno
id
T
RANS
—
T
ransf
o
rmer
F
a
ctor
y Line V
o
ltage Wir
ing
F
actor
y Lo
w
V
olt
age Wir
ing
F
ie
ld Line V
o
ltage Wir
ing
F
ie
ld Lo
w
V
oltage Wir
ing
Pr
inte
d Cir
c
u
it T
race
Optional Wir
ing
LEGEND
Rela
y/C
ontactor Co
il
Ther
mistor
Condensate P
an
Circuit Break
er
Ground
S
o
len
o
id C
o
il
Rela
y C
ontacts - N.O
.
Rela
y C
ontacts - N.C
.
T
e
mpe
rature Switch
Swi
tc
h
- Lo
w Pre
s
sure
Swit
ch - High Pressu
re
Wi
re Nut
C
omplet
e C
