Gree GUHD09NK3FO Service Manual page 60

Ceiling type
(7). Adjust the height of the unit to make the drain pipe slant slightly downward so that the drainage will
become much smoother.
1.2.4 Leveling
The water level test must be done after installing the indoor unit to make the unit is horizontal, as shown
below.
Left side panel
Horizontal tester
Ceiling
Suspension
bolt
Nut
Spring
washer
Nut
Hanger
A
U-Match Series DC
Inverter Service Manual
panel
B