DC Inverter U-match Series Duct Type Unit
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3.2.3.5 Thermal Insulation of Pipe Joint (Only for indoor unit)
Stick coupler heat insulation (large and small) to the place where connecting
pipes.
3.2.3.6 Sealing of the Knock-off Hole
As for the built-in valve model, during the installation process for connection
pipe, when the connection pipe is passing through the knock-off hole, conduct
sealing with insulated cotton in the knock-off hole of outdoor unit to prevent small
animals from entering. See the following figures.
NOTE:
Only for the GUD100W/NhA-T, GUD125W/NhA-T, GUD140W/NhA-T,
GUD100W/NhA-X, GUD125W/NhA-X, GUD140W/NhA-X, GUD160W/NhA-X units.
