6
GFCI
GFCI :Set
GFCI-Mode :On
Esc
Set
GFCI-Mode
Off
On
Ship
On
Esc
Set
Max.op.hr SC
5000
5000
Esc
Set
2.3
Setting the replacement interval time for the steam cylinder
Select “
Max.op.hr SC
” in the engineering menu, then press the
<Set>
key.
In the upcoming modification dialogue set the desired interval time for the replacement of the steam
cylinder in hours (max. operating hours). The interval time to be set depends on the water quality on site.
Note: First priority for the determination of the maximum operating hours of the steam cylinder has
always the maximum level counts via the level sensor.
Factory setting:
5000 h
Setting range:
100...8000 h
2.4
Activating/deactivating the drain cooling
Select “
Drain Cool
” in the engineering menu, then press the
<Set>
key.
In the upcoming modification dialogue activate (On) or deactivate (Off) the drain cooling function. With
activated drain cooling the inlet valve opens during the drain cycle, thus reducing the drain water tem-
perature.
Factory setting:
On
Options:
On
(Inlet valve opens during drain cycle)
Off
(Inlet valve remains closed during drain cycle)
2.5
Setting GFCI operation
Select “
GFCI
” in the engineering menu, then press the
<Set>
key.
In the upcoming modification dialogue select whether or not the Nordmann AT4 D is connected to a
fault current relay protected mains supply or whether the Nordmann AT4 D is operated on a vessel with
special requirements concerning fault current measurement.
Factory setting:
On
Options:
On
(mains supply with fault current relay protection, main contactor is switched
off during drain cycle)
Off
(mains supply without fault current relay protection, main contactor remains
activated during drain cycle)
Ship
(mains supply with special requirements concerning fault current measure-
ment, main contactor is switched off during filling and draining cycle)
Engineering
Max.op.hr SC:5000h
Drain Cool :On
GFCI :Set
Fragrance :Set
Overcurrent :Float
Esc
Set
Engineering
Max.op.hr SC:5000h
Drain Cool :On
GFCI :Set
Fragrance :Set
Overcurrent :Float
Esc
Set
Drain Cool
Off
On
On
Esc
Set
Engineering
Drain Cool :On
GFCI :Set
Overcurrent :Float
Max.op.hr SC:5000h
Min.Request :25/20%
Esc
Set
