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The communication cable to the display is fitted in GV-
HR 130 at the factory and connected to terminal block
21-24 in the display. If the cable needs to be extended,
use a four core cable with a cable area of at least 0.25
mm² for cable lengths up to 50 m. (max. length).
AA4
AA2
AA2-L2
AA2-L2
External connection
options
On the PCB (AA2), terminal block L1, 1-2 it is possible
to connect an external switch function for activating
different fan speeds. The function is activated during
the time the switch is closed. Normal speed is resumed
when the switch is opened again.
SD card
After commissioning GV-HR 130, it is possible to have
the installation in operation without an SD card (AA32),
but there will then not be any help texts in the display.
16
Chapter 5 | Electrical connection
NIBE GV-HR 130
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