TCL U-MATCH-R32 SERIES DC INVERTER AIR CONDITIONERS SERVICE MANUAL
205
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Rectangular air conduit can be directly connected to air outlet of indoor unit by rivets. For outlet
Dimensions, see outline drawing of the unit.
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Round air conduit should be connected to a piece of transitional air conduit before it is connected to
air outlet of indoor unit, the other end of it can be separately connected to air conduit window or
connected to air conduit window after air flow diversion, and the total length should not be over 6m. As
shown in figure below, air speeds at all air outlets should be set to basically consistent so as to meet
the room air-conditioning requirements.
2.2.2.4.2 Return Air Pipe Installation
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In case sidewise air intake is adopted, return air pipe should be fabricated and rivet-connected to
return air orifice, and the other end of it should be connected to return air window.
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In case of underside air intake, purchase or fabricate a section of pleated canvas air conduit serving
as transition joint for return air orifice and return air window. in this way, it can be freely adjusted
according to height of indoor ceiling board; in addition, during operation of the unit , canvas air conduit
may avoid vibration of ceiling board, as shown in figure below.
2.2.2.4.2 Tips for Installation of Return Air Pipe and Outlet Pipe
To minimize energy loss occurring in transmission process and condensed water during heating
operation, return air pipe and outlet pipe should be equipped with heat-insulating layer as shown in
figure below.
NOTE:
Ensure sufficient space for installation and repair. (see the picture for details)
