13
Wiring diagram for heat pumps WPF...MS (Singlephase)
C26_03_01_0685
Fig. 15
A2
In
teg
rated He
at P
ump c
o
n
tr
ol, IWS
II
F1
Low P
re
ssur
e limiter
F2
Hig
h P
re
ssur
e limiter
F4 T
emp
.-limiter
,
hotg
a
s
K2
Rel
a
y,
c
ompr
e
ssor
s
tar
t
M1 C
ompr
e
ssor
X1 T
e
rmin
al
bloc
k
X2 T
e
rmin
al
bloc
k
X3
Te
rmin
al bloc
k, m
ain
s
X4
Te
rmin
al bloc
k, c
o
n
tr
o
l
X23
E
a
rt
h ter
min
al bloc
k
X28
B
a
se lu
st
er
ter
min
al
X29
Bloc
k for
IWS
II, 12-pole
X30
Bloc
k for
IWS
II, 3-pole
X33
Bloc
k for
IWS
II, 5-pole
Y1 Deic
ing
re
ve
rsing
va
lv
e
Z1
Oper
ating c
onden
ser
, c
ompr
e
ssor
