EN – R0…R3 Quick installation guide 17
Connect the control cables
See figure H on page 20. It shows an example with one analog signal cable and one
digital signal cable. Make the connections according to the default configuration in
use. The default connections of the HVAC default configuration are shown in section
Default I/O connections on page 19.
1. Remove the front cover, if not already removed. See section Switch off the power
and open the cover on page 14.
Example of connecting an analog signal cable:
2. Cut an adequate hole into the rubber grommet and slide the grommet onto the
cable. Slide the cable through a hole of the bottom plate and attach the grommet
to the hole.
3. Ground the outer shield of the cable 360 degrees under the grounding clamp.
Keep the cable unstripped as close to the terminals of the control board as
possible. Ground also the pair-cable shields and grounding wire at the SCR1
terminal.
4. Route the cable as shown in the figure.
5. Connect the conductors to the appropriate terminals of the control board and
tighten to 0.5…0.6 N·m(0.4 lbf·ft).
6. Tie all control cables to the provided cable tie mounts.
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