REMKO WKF 120 Series, Assembly And Operating Instructions Manual, Page: 55 / 92

9.6 Circuit diagrams
S
D
C
ard
Fu
se
1
0A
T
E
th
ern
et
st
up
nI
ro
sn
e
S
st
up
nI
ro
sn
e
S
st
up
nI
ro
sn
e
S
st
up
nI
ro
sn
e
S
P
ote
ntia
l F
re
e O
utp
uts
S
en
so
r In
pu
ts
nI
su
B
ec
afr
et
nI
T
O
IP
S
la
ng
iS
r
ot
au
tc
A
la
ng
iS
r
ot
au
tc
A
te
rfa
ce
R
c
A
ctu
ato
r O
utp
uts
A
ctu
ato
r O
utp
uts
A
ctu
ato
r O
utp
uts
A
ctu
ato
r S
up
ply
P
O
W
E
R
PE
230V supply
PW /3.4
N
L
PE
230V supply
Internal pump
PP1 /12.1
N
L
PE
230V supply
Terminal block X1.2
PP2
N
L
PE
Changeover valve 230V
Hot water preparation
A10 /9.8
N
A10
L
PE
Changeover valve 230V
2. heat generator
A11 /9.10
N
A11
L
PE
N
A12
L
PE
Pump 230V
2nd mix. heating cycle
A13 /10.1
N
A13
L
PE
Changeover valve /
230V
Cooling
A14 /10.3
N
A14
L
PE
Pump 230V
Solar cycle
A01 /9.1
N
A01
PE
Pump 230V
1st mix. heating cycle
A02 /9.3
N
A02
PE
Pump 230V
unmix. Heating cycle
A03 /9.4
N
A03
PE
Pump 230V
Domestic water circulation
A04 /9.6
N
A04
PE
Mixing valve 230V
A20/A21 /10.6
N
A20
1st mix. heating cycle
A20/open
A21 A21/closed
PE
Mixing valve 230V
A22/A23 /10.8
N
A22
Bypass
A22/open
A23
A23/closed
PE
Mixing valve 230V
A24/A25 /10.10
N
A24
2nd mix. heating cycle
A24/open
A25
A25/closed
In
A30
In
A31
In Potential-free
2. heat generator
A32
/11.1
A32
In
A33
In Potential-free
General alarm signal
A34 /11.3
A34
S25 Electricity meter S0
Heat pump
S25 /8.2
5V
GND
S26 Electricity meter S0
Household
S26 /8.4
5V
GND
S27
5V
GND
S28 Electricity meter S0
PV yield
S28 /8.7
5V
GND
S29 Electricity meter S0
PV feed-in
S29 /8.9
5V
GND
GND Pump PWM
Solar cycle
A40 /11.5
A40
GND Pump 0-10V
1st mix. heating cycle
A41 /11.7
A41
GND Pump 0-10V
unmix. heating cycle
A42 /11.10
A42
GND Pump PWM
Internal
A43 /12.3
A43
GND
A44
GND
A45
GND Pump 0-10V
2nd mix. heating cycle
A46 /12.5
A46
MI
MO
CLK
nSS
GND
OT1
OT1
OT2
OT2
12V Communication
Operating module
BUS1 /4.7
B1
A1
GND
B2 Communication
Com-Kit
BUS2 /4.8
A2
B3
A3
R Coding resistor
WKF 120 / WKF 180
RC /7.7
GND
S20
5V
GND
S40
S41
S21
5V
GND
S42
S43
S22
5V
GND
S44
S45
S23 Medium flow rate
Solar
S23 /7.5
5V
GND
S46
S47
S24 Medium flow rate
Heat pump
S24 /6.8
5V
GND
S48
S49
S01 Probe PT1000
Collector
S01 /5.0
GND
S02 Probe PT1000
Storage tank, bottom
S02 /5.2
GND
S03 Probe PT1000
Solar inlet
S03 /5.3
GND
S04 Probe PT1000
Solar return
S04 /5.5
GND
S05 Probe PT1000 /
Impulse sensor
Circulation
S05 /5.6
GND
S06 Probe PT1000
2nd mix. heating cycle inlet
S06 /5.9
GND
S07 Probe PT1000
Refrigerant
S07 /5.10
GND
S08 Probe PT1000
Storage tank, top
S08 /6.0
GND
S09 Probe PT1000
Storage tank, centre
S09 /6.2
GND
S10 Probe PT1000
Outside temperature
S10 /6.3
GND
S11 Probe PT1000
1st mix. heating cycle return
S11 /6.5
GND
S12 Probe PT1000
1st mix. heating cycle inlet
S12 /6.6
GND
S13 Probe PT1000
Heat pump inlet
S13
GND
S14 Probe PT1000
2nd mix. heating cycle return
S14 /6.10
GND
S15 Probe PT1000
Heat pump return
S15 /7.1
GND
S16 Open contact
Energy supplier utility disable
S16 /7.3
GND
SM
T
I/O
1
G
eä
nde
rt:
E
rs
et
zt
d
ur
ch
St
an
da
rd
Er
st
el
lu
ng
sda
tum
U
rs
pr
ung
00
1
Ze
ic
hn
er
G
ep
rü
ft:
Au
sg
ab
eda
tu
m
:
Bl
at
t T
ite
l
Pr
oj
ek
t T
ite
l
1.0
at
ei
sc
h
St
at
us
:
0
1
2
3
4
5
6
7
8
9
10
11
0
1
2
3
4
5
6
7
8
9
10
11
B
la
tt/
to
t.
7/
25
/20
12
B
la
tt
An
lage
m
w
ei
ss
O
ve
rv
ie
w
S
M
T I/O
V
er
si
on
K
un
de
:
R
em
ko
vl
öc
ht
e
W
KF
R
S4
85
P
ro
je
kt:
1
10
/2
0/
20
14
Be
ar
be
ite
t
4/
47
Er
sa
tz
für
W
KF
R
S4
85
55