Gree GMV-ND30PLS/C-T Owner's Manual page 17

Multi Variable Air Conditioners Ducted Type Indoor Unit
4.4.2 Shape and Size of Air Outlet and Air-return Opening
Range of Capacity GMV-ND30PLS/C-T(U) ~ GMV-ND48PLS/C-T(U)
Model
GMV-ND30PLS/C-T(U)
GMV-ND36PLS/C-T(U)
GMV-ND42PLS/C-T(U)
GMV-ND48PLS/C-T(U)
4.4.3 Installation of the Return Air Duct
(1) The default installation location of the rectangular flange is at the back and the return air cover
plate is at the bottom, as shown in Fig.4.4.5.
(2) If the bottom return air is desired, just change the place of the rectangular flange and the return
air cover plate.
(3) Connect one end of the return air duct to the return air outlet of the unit by rivets and the other
to the return air louver. For the sake of the convenience to freely adjust the height, a cutting of
canvas duct will be helpful, which can be reinforced and folded by 8# iron wire.
(4) More noise is likely to be produced in the bottom return air mode than the rear return air mode,
so it is suggestive to install a silencer and a static pressure box to minimize the noise.
(5) The installation method can be chosen with considering the conditions of the building and
Fig.4.4.3 Air Outlet
Fig.4.4.4 Air-return Opening
Size of Air Outlet
A B
207(8-1/8) 1153(45-3/8)
Fig.4.4.5
13
Size of Air-return Opening
C D
40(1-9/16) 1188(46-3/4) 220(8-11/16)
Unit: mm(inch)
E F
22(7/8)