REMKO WKF 120 Duo - Manual (Page 27)

4 Installation
4.1 System layout
IB
AB
NAM
KA1
STL
KML
AM1
VEN
STL
KML
IM
NIM
NZH
KA2
VHZ
AM2
VEN
KA1
NAM
GRL
Fig. 26: 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
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 (e.g. 3x2.5 mm
2 )
NIM: Power supply, IU = 230V / 1~ / 50Hz
16A (e.g. 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
27