28
N
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L
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5
L
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10
N
N
PE
PE
P
sw
sw
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HD
P
A1
A2
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1
1
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9
13
14
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8
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12
13
14
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3
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E
23
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1
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2
28
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2
0
N
1
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20
2
ϑ
-S
T
B
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A2
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6
4
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15
D Mod +5V
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3
D Mod G
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2
D Mod -
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GN
D
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A
(D
+)
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B
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2
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32
32
32
4
4
4
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1
6
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E
XL
5
4
rd
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bl
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w
h
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1
6
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4
rd
br
bl
or
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w
h
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3
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1
21
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43
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65
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13
14
3
12
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34
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56
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13
14
5
T
er
m
in
al
boa
rd,
M
odbus
X
20
E
XL
E
XM
K
23
E
lec
tro
ni
c ex
pans
ion
val
ve
, s
te
am
/
liqu
id
inj
ec
tio
n
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50
C
ont
ac
tor
for
aux
ilia
ry
heat
ing
T
er
m
in
al
in
sw
itc
h
box
heat
p
um
p
ZW
1
Le
g
e
nd:
H
igh-
pr
es
su
re
s
w
itc
h
D
efr
os
ting
v
al
ve
U
K
81
739
6
V
D1
L,
N
,P
E
; pow
er
s
uppl
y,
cont
ro
ller
C
ont
rol
ler
boar
d,
c
o
ol
ing
cir
cui
t
23
0V
A
C
1~
N
/PE/
23
0V/5
0H
z
F1
Q
6
1~
N
/P
E
/230V
/50H
z
O
pe
rat
ing
m
at
e
ria
ls
K2
0
E
lec
tro
nic
ex
pans
io
n
val
ve
, heat
ing
/ r
ev
e
rs
e
m
ode
K
22
con
tac
tor
, c
om
pr
es
so
r
S
af
ety
tem
per
at
ur
e
lim
iter
hea
ting
el
em
ent
X
10
S
T
B
Q
1
F
un
cti
on
H
D
P
K5
0
2
0.02
.20
1
4
2
A
chi
m
P
fleg
er
-
2
/4
A
ch
im
P
fle
ge
r
14
.02
.20
13
LW
160H
-A
/
V
8173
96
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
B
l v
o
n A
n
z
N
am
e
D
at
u
m
Z
us
ta
nd
B
la
tt-N
r.
B
ea
rb.
D
at
u
m
Ä
nde
ru
n
g
Subject to change without notice.
83054500bUK – Translation into English of the original German operating manual ait-deutschland GmbH
LW 160H-A/V
Circuit diagram 2/4
