48
Version 1
A
H
B
C
G
F
E
D
D
<>U
A1
Asy
Ph
Rel
A2
L1
L2
L3
14
11
12
<>U
Asy
t
2
4
12
%
15
10
5
%
20
10
6
0.1
A
Over/undervoltage in %
B
Phase asymmetry in %
C
Switching delay in s
D
Contact used in safety chain (N/O)
E
ON/OFF indicator ("Rel")
F
Fault display phase failure/phase
sequence ("Ph")
G
Fault display asymmetry ("Asy")
H
Fault display over/undervoltage
("<>U")
LEDs explained
■ LED "Rel" illuminates green:
All voltages and the rotating field
(clockwise) are healthy.
■ LED "Ph" illuminates red:
The relay has responded; the rotating
field is anticlockwise.
■ All LEDs off:
One or more phases have dropped
out.
■ LED "<>U" illuminates red:
Incorrect voltage on one or more pha-
ses.
■ LED "Asy" illuminates red:
Asymmetry on one or more phases.
Installation sequence
Connecting power cables
(cont.)
5601 574 GB
Summary of Contents for BWT 221.A06
Page 20: ...20 aCH 10 9 Installation sequence Siting the heat pump cont 5601 574 GB ...
Page 22: ...22 4x 18 21 4x 6x 20 2x 19 Installation sequence Siting the heat pump cont 5601 574 GB ...
Page 23: ...23 25 2x 24 4x 22 23 Installation sequence Siting the heat pump cont 5601 574 GB Installation ...
Page 28: ...28 4 1 3 2 Installation sequence Siting the heat pump cont 5601 574 GB ...
Page 71: ...71 Opening programming unit 2 2x 1 3 Troubleshooting Repairs cont 5601 574 GB Service ...
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