Electrical Connection - Nibe F1345 Installateurhandbuch

Electrical connection

NOTE
All electrical connections must be carried out by
an authorised electrician.
Electrical installation and wiring must be carried
out in accordance with the stipulations in force.
F1345 must not be powered when replacing
electrical components.
NOTE
When replacing base and input cards an ESD
bracelet must be used and the cards must be
handled according to the service instruction
provided.
Replacing the input circuit card (AA3)
LEK
1. Remove all cables and connections from the old card.
Note where they were connected.
2. Remove the screw (Torx 20) that secure the card.
3. Remove the card from the plastic clips (2x) by holding
in the clip hooks and pulling the card upwards.
4. Change to the new supplied input card, and secure
with plastic clips and screw.
5. Reconnect the cables and connectors to the new
card. Refer to the wiring diagram in the installation
manual for the heat pump if necessary.
Replacing the base card (AA2)
LEK
1. Remove all cables and connections from the old card.
Note where they were connected.
2. Remove the screw (Torx 20) that secure the card.
3. Remove the card from the plastic clips (2x) by holding
in the clip hooks and pulling the card upwards.
4. Change to the new base card, and secure with plastic
clips and screw.
5. Install jumpers from the old card on the new card as
illustrated.
6. Reconnect the cables and connectors to the new
card. Refer to the wiring diagram in the installation
manual for the heat pump if necessary.
F1345
LEK
Transfer the jumper on AA2-X4:14-15 to the new
card.
GB
9