Tosot TM09HSFDI, Owner'S Manual

Page: 17 / 24

Multi Variable Air Conditioners Ducted Type Indoor Unit
1 4
No. Name No. Name
1 Hanger Rod 5 Static Pressure Box
2 Return Air Duct 6 Filter
3 Canvas Duct 7 Main Supply Air Duct
4 Return Air Inlet 8 Supply Air Outlet
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 4.4.6.
Fig 4.4.6
(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 choosen with considering the conditions of the building and
maintenance etc., as shown in Fig 4.4.7.
Fig 4.4.7
Table 5 Installation of the return air duct
No. Name No. Name
1 Return Air Inlet (with filter) 4 Indoor unit
2 Canvas Duct 5 Supply Air Duct
3 Return Air Duct 6 Grille
4.4.4 Installation of the Fresh Air Pipe
(1) When the fresh air pipe is needed to be connected, cut the fresh air baffle as Fig 4.4.8.