22
Exchanging the electronic insert
Before exchanging the electronic insert take the compact system out of service and cut off its voltage
supply.
1. Unscrew the housing screws
E
and remove the cover
G
.
(Fig. 6, 7)
2. Pull the electrode wires off the terminal lugs on the electronic insert. Unplug the terminal strip
H
.
3. Undo the PE connection
I
.
4. Unscrew the fixing screws of the electronic insert and take out the electronic insert. The electronic
insert is available as spare part type NRV 1-43.
5. Install the new electronic insert in reverse order.
Exchanging the electronic insert, removing the compact system
Danger
When loosening the compact system steam or hot water might escape!
This presents the risk of severe scalding all over the body!
It is therefore essential not to dismantle the compact system unless the boiler pressure is
verified to be 0 bar.
The compact system becomes hot during operation. Touching the hot equipment presents
the risk of severe burns to hands and arms. All installation, removal and maintenance work
must only be performed when the system is cold.
The terminal strips of the compact system are live during operation.
This presents the danger of electric shock!
Always
cut off power supply
to the equipment before mounting, removing or connecting
the terminal strips!
Removing and disposing of the compact system
Before removing the compact system take it out of service and cut off its voltage supply.
1. Unscrew the housing screws
E
and remove the cover
G
.
(Fig. 6, 7)
2. Detach the connecting wires from the terminal strips
H
and pull the wires out of the cable glands.
3. Undo the PE connection
I
.
4. Before removing the compact sytem make sure that is is neither hot nor under pressure.
For the disposal of the equipment observe the pertinent legal regulations concerning waste disposal.
Note
When ordering spare parts or replacement equipment please state the material number
indicated on the name plate.