Gree GWHD(48S)NM3CO Service Manual page 80

Super Free Match
Service Manual
No.
1
2 Return Air Duct
3
2) Installation of the Round Air Supply Duct
No.
1
2 Return Air Duct
3 Canvas Duct
3) Installation Steps of the Round Air Supply Duct
Preinstall the outlet of the round duct on the transition duct and then fix it by the self-tapping screw.
Place the transition duct to the air outlet of the unit and fix it with rivet.
Connect the outlet to the duct and then tighten them with tape. Other installation details are not covered
herein.
Caution！
The maximum length of the duct means the maximum length of the air supply duct plus the maximum
length of the return air duct.
For the unit with the auxiliary electric heating function, if the round duct is to be adopted, then the
straight length of the transition duct cannot be less than 200mm.
The duct is either rectangular or round and connected with the air inlet/outlet of the indoor unit. Among
all air supply outlets, at least one should be kept open. As for the round duct, it needs a transition duct of
which the size should match with the air supply outlet of the unit. After the fitting of the transition duct,
it is the turn of the round duct, which is better to be kept 10 meters far away from the corresponding
diffuser. The standard accessories supplied by GREE is the transition duct 200mm long and round air
outlet φ200, however, those of other specifications can be purchased.
INSTALLATION 76
Name No.
Hanger 4
5
Canvas Duct 6
Name No.
Hanger 4
5
6
Name
Return Air Inlet
Filter Screen
Main Air Supply Duct
Name
Return Air Louver
Air Supply Outlet
Transition Duct
No. Name
7 Air Supply Outlet
8 Plenum Box
No. Name
7 Air Supply Duct
8 Diffuser
9 Diffuser Joint