Gree NCHS1B(U) - Selection Requirement for Communication Wire

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GMV5 HR Heat Recovery Cooling and Heating Mode Exchanger

Fig. 3.1

① The installation of the unit must comply with national and local safety regulations.

② Users can’t install the unit by theirselves, because the intallation quality will affect the operation directionly.

After purchasing the unit, please contact with dealer. The unit must be installed and debugged by

professional installer.

③ The unit can be put through power only after all installation work is finished.

3.3 Selection Requirement for Communication Wire

NOTICE

！

If the unit is installed at the place where there’s strong electromagnetic interference, the

communication wire between indoor unit and wired controller must adopt shield wire, and the

communication wire between indoor unit and indoor unit (outdoor unit) must adopt twisted wire with

shielding function.

Comunicaton Wire between mode exchanger and indoor unit, outdoor unit:

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