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High ESP Fan Coil Indoor Unit
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 4.4.4.
(2) The installation method can be choosen with considering the conditions of the building
and maintenance etc., as shown in Fig 4.4.5.
No.
1
Return Air Inlet (with filter)
2
Return Air Duct
3
4.5 Installation of Wired Controller
Please refer to User Manual of Wired Controller for the installation details.
NOTICE! When installation is finished, the unit must be tested and debugged before
operation. Please refer to Instruction Manual of ODU for auto addressing and debugging
details.
Fig 4.4.4
Fig 4.4.5
Table 5 Installation of the return air duct
Name
Indoor unit
No.
4
5
15
Name
Supply Air Duct
Grille
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