Helios FU Comfort Sinus Manuel De Montage Et D'utilisation page 274

Installation and Operating Specification FU Comfort Sinus
Display/symbol Relay:*
K1
No shut-
down
AC overvoltage
AC undervoltage
DC undervoltage
Peak current
Filterchoke
* Display in factory setting
0 = Relays de-energized
1 = Relays pulled up
Information
Line faults in the frequency converter connecting cable are detected. After approx. 5 seconds there is
an automatic shutdown in "Protection Mode" by the frequency converter and the alarm relay "K2"
outputs a fault indication.
Line faults in the line between the frequency converter and the fan are not detected.
L-BAL-E304-GB 2004
Operating state/fault
K2
With shut-
down
0 0 Line voltage too high
0 0 Line voltage too low
1 0 DC-link voltage too low
0 0 Current above defined limit
1 0 Input choke temperature too high
Part.-No.
135/139
Behaviour in protection mode
No shutdown
=> No indication via relay K1 + K2
No shutdown
=> No indication via relay K1 + K2
No shutdown
=> Indication via relay K1
=> No indication via relay K1 + K2
No shutdown
=> Indication via relay K1
Enclosure