P
ipin
g
Di
ag
r
a
m
Sa
m
s
u
n
g
El
ec
troni
c
s
23
5
IPM (Intelligent Power Module) temperature protection
ƒ
Purpose
P
r
e
v
e
nt
I
G
B
T m
o
du
l
e
da
m
age
due
to
o
v
e
rh
ea
tin
g.
ƒ
Concept
T
h
e
c
o
m
pr
e
ssor
op
e
r
a
tion
f
r
e
q
ue
n
c
y
is
l
o
w
e
r
ed
to
dec
r
ea
s
e
th
e
I
P
M
t
e
m
p
e
r
a
t
u
r
e.
ƒ
Control specifications in detail
- T
h
e
c
o
m
pr
e
ssor
f
r
e
q
ue
n
c
y
is
c
ontro
ll
ed
acc
or
d
in
g
to
th
e
I
P
M
t
e
m
p
e
r
a
t
u
r
e
,
a
s
sho
w
n
be
l
o
w
.
1
st
st
e
p
Hz
ho
l
d
: T
h
e
cu
rr
e
nt
f
r
e
q
ue
n
c
y
is
f
i
x
ed.
(
I
t
is
possi
b
l
e
to
l
o
w
e
r
th
e
f
r
e
q
ue
n
c
y
i
f
n
ece
ss
a
r
y)
2
n
d
st
e
p
Hz
d
o
w
n
: T
h
e
f
r
e
q
ue
n
c
y
is
f
or
c
i
b
ly l
o
w
e
r
ed
b
y
5
Hz
a
t
sp
ec
i
f
i
ed
int
e
r
v
a
l
s
.
3
r
d
st
e
p
HP
d
o
w
n
: T
h
e
f
r
e
q
ue
n
c
y
is
f
or
c
i
b
ly l
o
w
e
r
ed
b
y 1Hz
e
v
e
r
y
s
ec
on
d.
If
in
this
st
a
t
e
f
or
1
0
m
in
,
c
o
m
pr
e
ssors
stop
a
n
d
a
n
is
tri
gge
r
ed
(E4
00
or
E
5
00
)
.
4
th
st
e
p
Co
m
p
trip
:
Co
m
pr
e
ssors
stop
a
n
d
a
n
e
rror
is
tri
gge
r
ed
(E4
00
or
E4
5
00
)
.
If
r
e
st
a
rtin
g
th
e
c
o
m
pr
e
ssor
, -1
0
ఁ
is
a
pp
l
i
ed
f
or
60
m
in
a
s
th
e
t
e
m
p
e
r
a
t
u
r
e
r
e
q
u
ir
ed
to
e
nt
e
r
prot
ec
ti
v
e
c
ontro
l m
o
de.
,IDQHUURULVVHQWIURP
WKH,19F RQWUROOHU
,30WHPSHUDWXUH
Compressor Trip (E400 or E500)
HP
Do
w
n
a
r
ea
Hz
Do
w
n
a
r
ea
Hz H
o
l
d
a
r
ea
N
or
m
a
l
op
e
r
a
tion
Hz H
o
l
d
r
e
l
ea
s
e
Hz
Do
w
n
r
e
l
ea
s
e
HP
Do
w
n
r
e
l
ea
s
e
Compressor trip (E400 or E500) occurs if in this state for 10 min
7-3 Functions
(
c
ont
.
)
7-3-2-5 Protective control
(
c
ont
.
)
7-3-2 Control
(
c
ont
.
)
Содержание AM038KXWDCH
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