Daikin FXHQ63AVEB8 Installer And User Manual page 50

16 | Unit installation
General guidelines
To connect the drain piping to the indoor unit
Installer and user reference guide
50
▪ Connecting the drain piping to the indoor unit
▪ Checking for water leaks
▪ Pipe length. Keep drain piping as short as possible.
▪ Pipe size. Keep the pipe size equal to or greater than that of the connecting pipe
(vinyl pipe of 20 mm nominal diameter and 26 mm outer diameter).
▪ Slope. Make sure the drain piping slopes down (at least 1/100) to prevent air
from being trapped in the piping. Use hanging bars as shown.
a Hanging bar
Allowed
Not allowed
▪ Condensation. Take measures against condensation. Insulate the complete drain
piping in the building.
▪ Combining drain pipes. You can combine drain pipes. Make sure to use drain
pipes and T-joints with the correct gauge for the operating capacity of the units.
a T-joint
NOTICE
Incorrect connection of the drain hose might cause leaks, and damage the
installation space and surroundings.
Drain piping can be connected from following directions:
a
b
a Left drain piping
b Rear left drain piping
c Rear right drain piping
d Right drain piping
Rear left or left drain piping
1 Remove the protective grille (32 class: 7 screws, 63 class: 11 screws, 100 class:
10 screws).
a
1~1.5 m
(mm)
a
d
c
FXHQ-A
VRV system air conditioner
4P715928-1 – 2022.11