Installation With Bypass Contactor - Danfoss vlt soft starter mcd 500 Operating Manual

Product Features

5.9 Installation with Bypass Contactor

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The VLT Soft Starter MCD 500 is installed with a bypass contactor (AC1 rated). The soft starter run output controls the
bypass contactor. The run output is by default assigned to output relay B (terminals 21, 22, 24).
5 5
1
2
3
4
5
6
7
Illustration 5.11 Installation with Bypass Contactor
Parameter settings:
•
Parameter 4-4 Relay B Function
-
44
F1
6
A
Control voltage (model dependent)
24 V DC output
Remote control inputs
Motor thermistor input (PTC only)
Relay outputs
3-phase supply
Motor terminals
Select Run - assigns the run output function to output relay B (default value).
Danfoss A/S © 05/2016 All rights reserved.
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VLT Soft Starter MCD 500
K1
1/L1
L1B
3/L2
L2B
5/L3
L3B
E
A4
A5
1
A6
5
07
+
08
2
24
11
VD
16
+
15
S1
17
3
S2
18
25
S3
05
4
06
K1
F1
S1
S2
S3
13, 14
21, 22, 24
33, 34
2/T1
7
4/T2
6/T3
13
14
21
22
24
K1
33
34
Bypass contactor
Semiconductor fuses (optional)
Start contact
Stop contact
Reset contact
Relay output A
Relay output B
Relay output C
MG17K602