
64
ϑ
1
-X
52
-R4
T
RL
2
ϑ
3
-R
5
TV
L
4
ϑ
5
-R
6
T
HG
6
ϑ
7
-R3
TW
A
8
9
29
-X
10
-R
10
C
W
10
30
ϑ
11
-R2
TW
E
12
Q
2
R5
E
nc
odi
ng
res
is
tor
, 22
00
O
hm
R6
R
et
ur
n
sens
or
P
lug
on
sw
itc
h
b
ox
he
at
pum
p
(ga
u
ge
lin
e)
TR
L
TV
L
H
igh-
pr
es
su
re
sw
itc
h
D
ef
ros
ting
val
ve
R3
F1
Q
5
TH
G
If i
ns
tal
le
d:
heat
s
our
ce
out
let
gaug
e
CW
T
riangl
e
cont
a
ctor
fan
TW
E
Q
4
TH
G
If i
ns
tal
le
d:
heat
s
our
ce
inpu
t gauge
C
ont
ac
tor
for
c
om
pr
es
sor
2
TW
E
X
52
R4
T
VL
TW
A
H
ot
gas
s
ens
or
TW
A
V
D2
TR
L
X
10
Q
1
S
tar
c
on
tac
tor
fan
N
et
w
or
k pr
ot
ec
tion
fan
V
D1
A
EP
Q
3
F
unc
tion
P
lug
on
sw
itc
h
b
ox
he
at
pum
p
(c
ont
rol
lin
e)
HD
P
R1
0
X
12
T
er
m
in
al
in
sw
itc
h
bo
x heat
p
um
p
B
10
C
ont
ac
tor
for
c
om
pr
es
sor
1
Lo
w
-pr
es
sur
e
sw
itc
h
Le
ge
n
d
:
Q
6
ZW
1
R2
D
ef
ros
ting
pr
es
sos
ta
t
ND
P
O
per
at
ing
m
at
e
rial
s
C
ont
ac
tor
for
aux
iliar
y heat
ing
S
T
B
U
K
81
7344b
F2
-X
52
S
af
et
y t
em
per
atur
e
lim
iter
heat
ing
el
em
ent
F
low
s
ens
or
K
10
LW
251
A
A
ch
im
P
fle
ge
r
09
.04
.20
1
0
b
Ä
M
0
12
/20
11
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
3
/3
3
28
.04
.20
1
1
Ä
M
028
/20
10
a
A
chi
m
P
fleg
er
B
la
tt-N
r.
Z
us
ta
nd
Ä
nde
ru
n
g
B
ea
rb.
D
at
u
m
N
am
e
B
l v
o
n A
n
z
D
at
u
m
We reserve the right to modify technical specifications without prior notice.
83054200bUK
© ait-deutschland GmbH
LW 251A
Circuit diagram 3/3
Summary of Contents for LW 100H-A
Page 74: ......