Danfoss Metasys N2 Design Guide

5.3.3 Using a Drive to Save Money
The drive eliminates the need for some equipment that would normally be used. The 2 systems shown in Illustration 5.14
and Illustration 5.15 can be established at roughly the same price.
Cost without a drive
M
- +
M
M
x6 x6
x6
175HA205.12
Valve
posi-
tion
Starter
Fuses
LV
supply
P.F.C
Flow
3-Port
valve
Bypass
Return
Control
Supply
air
V.A.V
outlets
Duct
P.F.C
Mains
Fuses
Starter
Bypass
supply
LV
Return
valve
3-Port
Flow
Control
Valve
posi-
tion
Starter
Power
Factor
Correction
Mains
IGV
Mechanical
linkage
and vanes
Fan
Motor
or
actuator
Main
B.M.S
Local
D.D.C.
control
Sensors
PT
Pressure
control
signal
0/10V
Temperature
control
signal
0/10V
Control
Mains
Cooling section Heating section
Fan sectionInlet guide vane
Pump Pump
DDC Direct digital control
VAV Variable air volume
Sensor P Pressure
EMS Energy management system
Sensor T Temperature
Illustration 5.14 Traditional Fan System
Product Features
VLT
®
HVAC Drive FC 102
30 Danfoss A/S © 11/2017 All rights reserved. MG16C302
55

Danfoss Metasys N2 Specifications

General

Brand	Danfoss
Model	Metasys N2
Category	DC Drives
Language	English