Installation Site; Selection Requirement For Communication Wire - Gree NCHS1D Owner's Manual

GMV6 HR Mode Exchange Box

3.2 Installation Site

(1) Make sure the hanging parts can hold the weight of unit.
(2) Water can be drained out from the drainage hose conveniently.
(3) No obstacles at outlet and inlets. Keep the air ventilation in good condition.
(4) Connect either left or right side of converter to outdoor unit for piping according to installation
space, as shown in the Fig.3.2.1, the space used for maintenance should be ensured.
(5) Please keep the unit away from those positions where there's thermal source, inflammable
gas and smog.
(6) The unit is the cassette type (concealed type).
(7) Indoor unit, outdoor unit, mode exchange box power cord and connection cord should be kept
1m above away from TV and radio for preventing graphic interference and noise. (Even the
distance is 1m, if there's strong electric wave, there's still noise).
NOTES!
① The installation of the unit must comply with national and local safety regulations.
② Users can't install the unit by themselves, because the installation quality will affect the
operation directly. 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

NOTE!
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.
Fig.3.2.1
7
Unit：mm