Installation Of Cassette Type - Gree GUHN09NK3AO Service Manual

2. Testing of Drainage System
After the electrical installation is completed, carry out the testing of the drainage system.
During the test, check if the water correctly flows through the pipelines. Carefully observe the joints to
ensure that there is no leakage. If the unit is to be installed in a new house, carry out testing before
decorating the ceiling.
3. Matters of Attention
The drain pipe outlet direction can be chosen from either the right rear or right.
When drain hose is connected
No folding of drain hose inside the indoor unit. (Refer to Figure 1-2-11)

1.3 Installation of Cassette Type

1.3.1 Before Installation
When the unit arrives, please check if any damage due to transport is existent. If any hurt is found on the
surface or inside, please declare to the transport company or the manufacturer in writing.
Upon receipt of the unit, the unit and accessories shall be checked in accordance with the packing list.
Before acceptance, it must be confirmed that the model is correct and the unit is in good shape and
Correct handling route and method shall be decided to prevent damage to the unit. For protecting the
unit and ensuring its safety, carrying the unit with its package is recommended. If such carrying method is
handling.
Confirm the foundation is secure. When the unit is installed on the metal part of a building, electrical
insulation must be in compliance with relevant standards.
Incline the drain hose
Not to be lifted
Not foldings
Wartering can
Figure 1-2-11
Not to be soaking in water
Air outlet
Figure 1-2-12
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