Gree U-Match Series Owner's Manual page 34

U-Match Series Cassette Type Unit
NOTE: Specifications of the converging drain pipes should be applicable to
the operating capacity of the units.
(3) Drain branch should be connected to the vertical or horizontal part of the
main drain pipe.
(4) Horizontal pipe should not be connected to the vertical pipe that is on the
same level. It should be connected in the following way:
1) Install 3-way connector of drainage pipe joint, as shown in the left
figure.
2) Install drain elbow as shown in the middle figure.
3) Install horizontal pipe as shown in the right figure.
3.2.6.4 Check Drainage
After the pipeline work is finished, check whether the drainage can go
smoothly.
(1) Add slowly about 1L of water into the water tray. After the electric circuit is
completed, check the drainage condition during refrigerating operation.
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