4.9 Electrical connection
Terminal connections when connecting to REMKO Heat pumps, types WKF & WKF-compact
PE N A20 A21
-SMTIO
A20
Mixer 230V
M
N Open
-A20
Mixer
-Heating
cycle floor
bl
br
sw
L
-X
N PE
A41
GND
-SMTIO
A41
Pump 0-10V
1
M
U N
-A41
Pump
Heating cycle floor
-Power supply A41
br
bl
gnge
w
s
br
L
-X
N PE
A42
GND
-SMTIO
A42
Pump 0-10V
1
M
U N
-A42
Pump
Heating cycle radiator
-Power supply A42
br
bl
gnge
-Heating cycle radiator
w
s
br
-Heating
cycle floor
Heating cycle floor
Closed
Fig. 11: Remko HGM / HGU connection terminals
21
