2 electrical wiring, 1 system layout, Electrical wiring 2.1 system layout – REMKO WKF-120-180Duo Electrical wiring User Manual
Page 7: Electrical wiring, Ib ab, System layout

2
Electrical wiring
2.1
System layout
IB
AB
NAM
KA1
STL
KML
AM1
VEN
STL
KML
IM
NIM
NZH
KA2
VHZ
AM2
VEN
KA1
NAM
GRL
Fig. 1: WKF 120 Duo system layout
AB:
Outdoor area
IB:
Indoor area
AM1,2:
WKF 120 Duo outdoor unit
IM:
WKF 120 Duo indoor unit
GRL:
Common return pipe (DN 25)
KA1:
Condensate drain, OU (must be designed
to be frost proof!)
KA2:
Condensate drain, IU
KML:
Refrigerant piping
3
/
8
" and
5
/
8
"
NAM:
Power supply, OU = 230V / 1~ / 50Hz
20A (z.B. 3x2.5 mm
2
)
NIM:
Power supply, IU = 230V / 1~ / 50Hz
16A (z.B. 3x1.5 mm
2
)
NZH:
Power supply for auxiliary heater (optional),
(e.g. 5x2.5 mm
2
)
STL:
Control line (e.g. 2x1 mm
2
)
VEN:
Fan
VHZ:
Inlet for heating (DN 25)
7