•
•
•
•
•
•
e
3
0
b
d
8
2
4
.1
0
91 92 93
F1
gL/UR
L
1
L
2
PE
Motor
U V W PE
96 97 95 93
FC 103
M
M
M
*
*
*
Cables
Ltot. max. = 40 mm
53/54
12
18
55
27
Control signal
0-10 V or
4-20 mA
Motors insulation class B minimum
Alarm
Start
Illustration 62: Speed Control Using Analog Reference (Open Loop) – Single Fan or Pump/Multiple Fans or Pumps in Parallel
91 92 93
F1
gL/UR
L
1
L
2
PE
Motor
U V W PE
96 97 95 93
FC 103
M
M
M
*
*
*
Cables
Ltot. max. = 40 mm
12
18
55
27
Motors insulation class B minimum
Alarm
54
Start
e
3
0
b
d
8
2
3
.1
0
Illustration 63: Pressure Control in Closed Loop – Standalone System - Single Fan or Pump/Multiple Fans or Pumps in Parallel
Recommended motor cable types are:
LIYCY
Lapp Oelflex 100CY 450/750 V
Lapp Oelflex 110CY 600/1000 V
Lapp Oelflex SERVO 2YSLCY-J9
Lapp Oelflex SERVO 2YSLCYK-J9
HELU TOPFLEX-EWV-2YSLCY-J
AQ357954340588en-000201 / 130R0881
116 | Danfoss A/S © 2020.09
Wiring Configuration Examples
VLT® Refrigeration Drive FC 103
Operating Guide
Summary of Contents for VLT FC 103
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