REMKO HGM-HGU - Manual (Page 21)

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