MRV Communications HOUSEHOLD MRV AE182FCAHA - Manual (Page 23)

Installation procedure
Installation of indoor unit
l When installing the cassette hind type indoor unit, a specially designed return air bellows
shall be installed, as shown in Figure 3, Figure 4.
l The distance between the air duct outlet and the air conditioner air outlet shall not exceed
0.5 m.
22
A *0.5m
Installing building roof
Ceiling
Air supply Air outlet duct
Unit
Return air
Return air bellows
Figure 3 Detail A
Figure 5
M8 broad foundation bolt
M8 suspension screw
M8 broad lock ring
M8 nut
Unit
Air outlet grille
Air supply
No obstacles
within 1 m
Unit
Return air
Return air bellows
Figure 4
B A
B
B Rivet
Air supply duct
Detail B Detail A
to mount the top
plate with screw
Unit top plate
Air outlet grille
Air supply duct Air supply duct
Figure 6