MSF220K
12710-0701-01
Page
4 / 7
www.ziehl.de
table of function
overload: PTC > 3650
Ω
normal:
PTC < 1600
Ω
∞/0:
PTC =
∞ Ω / PTC = 0 Ω
-> Sensor error
PTC-temperature sensor
alarm relays
alarm LEDs *
PTC 1 (T0-T1) PTC 2 (T0-T2)
alarm 1
alarm 2
AL1
AL2
normal
normal
off (terminal 11-14)
off
overload
normal
on (terminal 11-12)
off
overload
overload
on (terminal 11-12)
on (terminal 21-24)
normal
overload
off (terminal 11-14)
on (terminal 21-24)
only at
parameterization: “monitoring sensor error on “
∞/0
*1
normal
*1
on (terminal 11-12)
off
normal
*1
∞/0
*1
on (terminal 11-12)
off
overload
*1
∞/0
*1
on (terminal 11-12)
on (terminal 21-24)
∞/0
*1
overload
*1
on (terminal 11-12)
on (terminal 21-24)
∞/0
*1
∞/0
*1
on (terminal 11-12)
off
* ) LED:
off
on
flash
7
Important notes
WARNING!
Dangerous electrical voltage
Disconnect power before working on equipment.
Read and understand these instructions before installing, operating or maintaining
the equipment.
To use the equipment flawless and safe, transport and store properly, install and start professionally
and operate as directed.
Only let persons work with the equipment who are familiar with installation, start-up and use and who
have appropriate qualification corresponding to their function. They must observe the contents of the
instruction manual, the information written on the equipment and the relevant security instructions
for the setting up and the use of electrical units.
Attention!
Before switching on make sure that the operational voltage Us of the type- plate and
the mains voltage are the same! Before switching on ensure, that the supply voltage
Us written on the lateral type plate corresponds to the mains voltage!
When installing the device into the switchgear cabinet, please observe the max. admissible
temperature. Care for both, sufficient clearance to other devices or sources of heat or enough forced
draught. If cooling is made more difficult, e.g. close devices with increased surface temperature or by
handicap of airflow cooling, the permissible ambient temperature has to be reduced.
In case of failure of supply voltage, the monitored unit is not protected any more.
The operator must ensure, that a failure is detected, e.g. by monitoring Alarm 1 (K1)
or by testing the unit regularly.