Danfoss VLT HVAC Basic Drive FC 101 Projektierungshandbuch Seite 20

Einführung in VLT® HVAC Dri...
3.1.9 Ohne einen Frequenzumrichter
Cooling section
3 3
-
Return
3-Port
valve
Bypass
M
x6
Starter
P.F.C
Mains
D.D.C.
E.M.S.
VVS
Sensor P
Sensor T
Abbildung 3.9 Traditionelles Lüftersystem
18
Heating section
+
Return
Flow Flow
Control
3-Port
valve
Valve
posi-
tion
Bypass
Pump Pump
M
x6
Starter
Fuses Fuses
LV
supply
P.F.C
Mains
Direkte digitale Regelung
Energiemanagementsystem
Variabler Luftvolumenstrom
Druck
Temperatur
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VLT HVAC Basic Drive FC 101
Inlet guide vane Fan section
Control
Mechanical
Valve
linkage
posi-
and vanes
tion
IGV
Motor
or
actuator
Control
LV
supply
Supply
air
Fan
M
Sensors
PT
x6
Local
D.D.C.
control
Starter
Pressure
control
Power
signal
Factor
0/10V
Correction
Mains
V.A.V
outlets
Duct
Main
B.M.S
Temperature
control
signal
0/10V
MG18C803