1
8
F
R
CC
.
PC
.007.
B
8.02
A
pplication guidelines
Suggested wiring diagrams logic
C
ompressor
mode
l
S
H
090
- 1
05
- 1
20
- 14
0
- 161 - 1
8
4
Electrical data, connections and wiring
By
means
o
f
the
b
u
i
l
t
-
in
a
u
xi
l
iar
y
contact
(
23
-
2
4
)
the
b
y-
pass
fu
nction
is
easi
ly
achie
v
ed
,
see
wiring
diagram
beside.
No
heat
is
generated
f
rom
the
M
CI
.
As
the
contactor
a
l
wa
y
s
switches
in
no
-l
oad
condition
it
can
be
se
l
ected
on
the
basis
o
f
the
therma
l
c
u
rrent
(
A
C-1
).
1
3
-14
contact
not
app
l
icab
l
e
with
M
CI
25
C
.
MC
I with by-pass contactor
G
eneral wiring
information
T
he
wiring
diagrams
be
l
ow
are
examp
l
es
f
or
a
sa
f
e
and
re
l
iab
l
e
compressor
wiring.
I
n
case
an
a
l
ternati
v
e
wiring
l
ogic
is
chosen
,
it
is
imperati
v
e
to
respect
the
f
o
ll
owing
r
ul
es
:
W
hen
a
sa
f
et
y
switch
trips
,
the
compressor
m
u
st
stop
immediate
ly
and
m
u
st
not
re
-
start
u
nti
l
the
tripping
condition
is
back
to
norma
l
and
the
sa
f
et
y
switch
is
c
l
osed
again.
T
his
app
l
ies
to
the
LP
sa
f
et
y
switch
,
the
HP
sa
f
et
y
switch
,
the
discharge
gas
thermostat
and
the
motor
sa
f
et
y
thermostat.
I
n
speci
fi
c
sit
u
ations
,
s
u
ch
as
winter
start
operation
,
an
e
v
ent
u
a
l LP
contro
l f
or
p
u
mp
-
down
c
y
c
l
es
ma
y
be
temporari
ly
b
y
passed
to
a
ll
ow
the
s
y
stem
to
b
u
i
l
d
press
u
re.
Bu
t
it
remains
mandator
y f
or
compressor
protection
to
app
ly
an
LP
sa
f
et
y
switch.
T
he
LP
sa
f
et
y
switch
m
u
st
ne
v
er
be
b
y
passed.
P
ress
u
re
settings
f
or
the
LP
and
HP
sa
f
et
y
switch
and
p
u
mp
-
down
l
isted
in
tab
l
e
f
rom
section
"L
ow
press
u
re
"
.
W
hen
e
v
er
possib
l
e
(
ie.
PLC
contro
l
)
,
it
is
recommended
to
l
imit
the
possibi
l
ities
o
f
compressor
a
u
to
restart
to
l
ess
than
3
to
5
times
d
u
ring
a
period
o
f 1
2
ho
u
rs
when
ca
u
sed
b
y
motor
protection
or
LP
sa
f
et
y
switch
tripping.
T
his
contro
l
m
u
st
be
managed
as
a
man
u
a
l
reset
de
v
ice.
M
D
GT
H
P
L
P
S
180 s
TH
L
P
C
ONTROL
C
IR
C
UIT
F1
F1
KM
KM
KM
KA
KA
A1
A2
A3
KA
KA
KS
KS
KS
L1
L3
L2
Q1
T1
T3
T2
LLS
V
KS
W
iring diagram with pump-down c
y
cle
K
M
L1
L
3
L
2
Q
1
C
ON
T
RO
L CI
R
CUIT
F1
F1
K
M
K
A
K
A
K
S
K
S
K
S
HP
DGT
TH
1
80
s
85 52 019 - A
T1
T
2
M
T
3
K
A
K
A
A
1
A2
A3
W
iring
diagram
witho
u
t
p
u
mp
-
down
c
y
c
l
e
LP
S