Location For Installation; Requirements For Communication Line - Gree GMV-ND280PH/A-T Owner's Manual

3.2 Location for Installation

(1) The appliance shall not be installed in the laundry.
(2) The top holder must be strong enough to support unit's weight.
(3) Drain pipe can drain water out easily.
(4) There is no obstacle at inlet or outlet. Please ensure good air circulation.
(5) In order to make sure the space for maintenance, please install the indoor unit according to
the dimension described below.
(6) Keep the unit away from heating source, inflammable gas or smoke.
(7) This is a concealed ceiling type unit.
(8) Indoor unit, outdoor unit, power cord and electric wire should stay at least 1m from the TV set
and radio. Otherwise, these electrical appliances may have image interference and noise.
(Even if the distance is 1m, when there is strong electric wave, noise may still occur.)
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.

3.3 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).
3.3.1 Select communication line for indoor unit and wired controller
L02
Sub-master
Controller
Multi Variable Air Conditioners Duct Type Indoor Unit
Nut Spring
Nut with
Washer
Washer
＞1000mm
L1
L01
Master
L=L01+L02+L1+L2+......+L(n-1)(n≤16)
Controller
Fig 3.2
L2
Fig 3.3.1
5
＞560mm
L(n-1)
Unit: mm