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Exchanging the electronic insert
Exchanging the electronic insert, removing the compact system
Before exchanging the electronic insert take the compact system out of service and cut off its voltage
supply.
1. Undo the housing screws
a
and remove the housing cover
c
.
(Fig. 4, 5)
2. Pull the electrode wires off the terminal lugs on the electronic insert.
Remove all terminal strips apart from terminal strip
h
.
3. Undo the PE connection
g
.
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 1-45.
5. Install the new electronic insert in reverse order.
Danger
When loosening the equipment 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 equipment unless the boiler pressure is
verified to be 0 bar.
The equipment 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 equipment 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. Undo the housing screws
a
and remove the housing cover
c
.
(Fig. 5, 6)
2. Detach the connecting wires from the terminal strips and pull the wires out of the cable glands.
3. Undo the PE connection
g
.
4. Before removing the equipment 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.
