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_CombiPower_IA_DE-IT.book Seite 85 Freitag, 21. Oktober 2011 8:10 20
CombiPower
Connecting the fault display relay
If an alarm occurs, the (common) alarm contact switches to the normally
open contact.
➤ Connect the fault display relay as shown in fig. b, page 8 to the "FAIL-
URE" connection (fig. 1 16, page 3):
– NO: normally open contact
– COM: common contact
– NC: normally closed contact
Relay specification:
Maximum voltage
250 Vw
12 V/24 Vg
The following faults can be displayed:
Undervoltage at input
Overvoltage at input
Short circuit at output
Excess temperature
Overload
Fan failure
Connecting an external switch
NOTICE!
A
Only connect an external switch if you are not going to use the
remote control (not normal operation).
➤ Connect an external switch as shown in fig. c, page 8 to fig. d, page 8
to the "INV CHR" connection (fig. 1 17, page 3).
Use conductors with a cross section of at least 0.5 – 0.8 mm².
Key for fig. c, page 8 to fig. d, page 8:
ENB: Enable +
ENB: Enable –
GND: Earth
EN
Current consumption
Load
NO
Ohmic
0.5 A
Ohmic
1 A
Connecting the device
NC
0.5 A
1 A
85
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