
3.2 System layout WKF 180 Duo
IB
AB
STL
KML
NAM
KA1
AM1
VEN
AM2
VEN
KA1
NAM
VEN
VEN
STL
KML
IM
NIM
NZH
KA2
VHZ
GRL
Fig. 14: System layout WKF 180 Duo
AB:
Outdoor area
IB:
Indoor area
AM1,2: Outdoor module WKF 180 Duo
IM:
Indoor module WKF 180 Duo
GRL:
Common return pipe
KA1:
Condensate drain, OM (must be designed to
be frost proof!)
KA2:
Condensate drain, IM
KML:
Refrigerant piping
3
/
8
" and
5
/
8
“
NAM:
Power supply, OM = 400V / 3~ / 50Hz
3x16A (e.g. 5x1,5 mm
2
)
NIM:
Power supply, IM = 230V / 1~ / 50Hz
16A (e.g. 3x1,5 mm
2
)
NZH:
Power supply for auxiliary heater (e.g. 5x2,5
mm
2
)
STL:
Control line (e.g. 2x1mm
2
)
VEN:
Fan
VHZ:
Inlet for heating
27
Содержание WKF 120
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