Connect the control cables
See figures
I
and
I2
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
1. Remove the front cover, if not already removed. See section
and open the cover
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 in the cable entry 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.
on page 405. It shows an example with one analog signal cable
on page 27.
EN – R1...R4 Quick installation guide 31
on page 32.
Switch off the power
R1-
R4
R5
R6-
R9
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