Danfoss VLT FC 103 - Single or Multiple Fans or Pumps

Wizard input:
•
Bypass valve
•
Recycling time (start to start)
•
Min. Hz
•
Max. Hz
•
Setpoint
•
Cut in/cut out
•
400/230 V AC
•
Amps
•
RPM
6.2.2
Single or Multiple Fans or Pumps
The wizard guides the user through the process of setting up a refrigeration condenser fan or pump. Enter data about the
condenser or pump and the refrigeration system on which the adjustable frequency drive will be running. All terminology
and units used within the wizard are common refrigeration type and set-up is thus completed in 10 to 15 easy steps using
two keys on the LCP.
F1
gL/UR
L
1
L
2
PE
91
92 93
53/54
FC 103
Alarm
Motor
U V W PE
96 97 95 93
Start
Control signal
0-10 V or
4-20 mA
Cables type: LIYCY
Ltot. max. = 40 mm
Motors insulation class B minimum
130BA761.11
12
18
Figure 6.2 Speed Control Using Analog Reference (Open-loop) – Single Fan or Pump/Multiple Fans or Pumps in Parallel
Application Set-up Examples Instruction Manual
58 Danfoss A/S © Rev. 2014-02-10 All rights reserved. MG16E222
66