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2.7.10 With a Frequency Converter
175HA206.11
Pump
Flow
Return
Supply
air
V.A.V
outlets
Duct
Mains
Pump
Return
Flow
Mains
Fan
Main
B.M.S
Local
D.D.C.
control
Sensors
Mains
Cooling section
Heating section
Fan section
Pressure
control
0-10V
or
0/4-20mA
Control
temperature
0-10V
or
0/4-20mA
Control
temperature
0-10V
or
0/4-20mA
VLT
M
-
+
VLT
M
M
PT
VLT
x3
x3
x3
D.D.C.
Direct Digital Control
E.M.S.
Energy Management system
V.A.V.
Variable Air Volume
Sensor P Pressure
Sensor T Temperature
Table 2.7 Abbreviations used in
Illustration 2.10 Fan System Controlled by Frequency
Converters
Safety and Conformity
VLT
®
Micro Drive FC 51 Design Guide
MG02K302 - Rev. 2013-12-03
17
2
2
Содержание VLT FC51
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