Installation Of Cassette Type - Gree R410A Service Manual

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b. Installation of the Round Air Supply Duct
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c. Installation Steps of the Round Air Supply Duct
3) Connect the outlet to the duct and then tighten them with tape. Other installation details are not covered herein.
CUATION:
a. The maximum length of the duct means the maximum length of the air supply duct plus the maximum length of
the return air duct.
b. 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 can not be less than 200mm.
c. 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
better to be kept 10 meters far away from the corresponding diffuser. The standard accessories supplied by GREE is the

4.2 Installation of Cassette Type

4.2.1 Before Installation
Check if there is any damage to the indoor unit, and the wireless controller and other part and components are
prepared completely.
4.2.2 Installation Site
Select install location of the indoor unit
a.
all the room.
b. Make sure that the installation had accord with the requirement of the schematic diagram of installation spaces.
c. Select the place where can stand 4 times of the weight of the indoor unit and would not increase the operating
noise and oscillate.
d. The horizontally of the installation place should be guaranteed.
e. Select the place where easy drain condensated coagulated water, and easy connect with outdoor unit.
Table
Name No.
Hanger 5
Return Air Duct 6
Canvas Duct 7
Return Air Inlet 8
1
2
3
4 5 6 7
Table
Name
No.
Hanger
6
Return Air Duct
7
Canvas Duct
8
Return Air Louver 9
Air Supply Outlet
Name
Filter Screen
Main Air Supply Duct
Air Supply Outlet
Plenum Box
9
8
Name
Transition Duct
Air Supply Duct
Diffuser
Diffuser Joint
Free Match
Service Manual
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