Bender ISOMETER iso1685DP-425 - Commissioning; Commissioning Flow Chart Insulation Fault Monitoring

Commissioning
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isoxx1685Dx-x25_D00272_07_M_XXEN/09.2022
6. Commissioning
6.1 Commissioning flow chart insulation fault monitoring
System = IT system ?
Device connection
(see chapter Connection)
U
n
< AC 1000/DC 1500 V ?
iso1685Dxx not suitableno
Deenergize the installation before
connecting the device
Connect supply voltage
Connect system voltage
no
yes
yes
iso1685DP not suitable,
check if iso1685D-HV is suitable
Connection or device error:
Check connections
Use the commissioning wizard to
set the device parameters
(see chapter initial commissioning)
Alarm LEDS activated?
no
yes
Preset response value
undershot, possibly adjust
Function test with a suitable
resistance between system and
earth. Value: 50% of the response
value Ran2
Alarm LEDs activated?
Alarm relays switched?
yes
no
Check connections
Remove resistance
The iso1685Dxx is correctly
connected and functions reliably
Alarm LEDs extinguished?
Alarm relays switched?
no
The iso1685Dxx successfully
carries out a self test
yes
no
U
n
< AC 2000/DC3 000 V ?
yes
no
iso1685D-HV not suitable