Requirements For Communication Line - Lennox VEMD007N432U Installation Manual

NOTES!
① Installation of the unit must be in accordance with National Electric Codes and local
regulations.
② Improper installation will affect unit's performance, so do not install the unit by yourself.
Please contact local dealer to arrange professional technicians for the installation.
③ Do not connect power until all installation work is finished.

4.3 Requirements for Communication Line

NOTES!
If the unit is installed in the place with strong electromagnetic interference, shielded wire must be
applied on the communication wire between indoor unit and wired controller. Twisted pair line with
shielding function must be applied on the communication wire between indoor unit and indoor unit
(outdoor unit).
4.3.1 Select Communication Line for Indoor Unit and Wired Controller
Multi Variable Air Conditioners Duct Type Indoor Unit
Fig4.2.1
Fig4.3.1
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