GREE ELECTRIC GUHD09NK3CO Service Manual page 79

Serial No.
1
2
3
4
Installation of round air duct, as shown in Fig. 1-1-12
Number
1
2
3
4
5
Notes:
be used as needed for actual installation. The installation method is similar to that of back return air inlet. Among all the
Supply air outlets, at least one shall be kept open. Round air duct can also be used, in which a thermally insulated round
hose is used to supply the air to the room. Both the supply air duct and return air duct shall be thermally insulated.
b. Installation of fresh air duct (Limited to excessive residual pressure unit with a cooling capacity over 6000W)
c. Installation of return air duct
The square flange is mounted on rear section when it is shipped. The return air inlet cover plate is mounted
beneath, as shown in Fig. 1-1-14.
Name
Hanger rod
Return air duct
Canvas air duct
Return air inlet
Figure 1-1-12
Name
Hanger rod
Return air duct
Canvas air duct
Return air louver
Supply air outlet
(a)
Figure 1-1-13
Serial No.
5
6 Main supply air duct
7 Supply air outlet
Number
6 Transition air duct
7
8
9
(b)
U-Match Series DC
Inverter Service Manual
Name
Filter
Name
Supply air duct
Diffuser
Diffuser joint
76