Danfoss VLT FC 102 Series Design Manual page 29

Introduction to VLT® HVAC D...
2.7.11 With an Adjustable Frequency Drive
Cooling section
-
Return Flow Return
Pump
M
x3
VLT
Control
temperature
0-10V
or
0/4-20mA
Mains
Figure 2.16 Fan System Controlled by Adjustable Frequency Drives.
2.7.12 Application Examples
The following pages give typical examples of applications within HVAC.
For further information about a given application, ask a Danfoss supplier for an information sheet that gives a full
description of the application.
Variable Air Volume
Ask for The Drive to...Improving Variable Air Volume Ventilation Systems MN.60.A1.02
Constant Air Volume
Ask for The Drive to...Improving Constant Air Volume Ventilation Systems MN.60.B1.02
Cooling Tower Fan
Ask for The Drive to...Improving fan control on cooling towers MN.60.C1.02
Condenser pumps
Ask for The Drive to...Improving condenser water pumping systems MN.60.F1.02
Primary pumps
Ask for The Drive to...Improve your primary pumping in primary/secondary pumping systems MN.60.D1.02
Secondary pumps
Ask for The Drive to...Improve your secondary pumping in primary/secondary pumping systems MN.60.E1.02
MG11BC22
Design Guide
Heating section
Fan section
Fan
+
M
Flow
Pump
M
x3
VLT VLT
Control
temperature
0-10V
or
0/4-20mA
Mains
Mains
Danfoss A/S © Rev. 06/2014 All rights reserved.
x3
Pressure
control
0-10V
or
0/4-20mA
Supply
air
V.A.V
Sensors
T outlets
P
Duct
Local
Main
D.D.C.
B.M.S
control
2 2
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