Daikin FDA125A5VEB - Page 56

16 | Unit installation
Installer and user reference guide
56
FDA125A5VEB
Split system air conditioners
4P495031-1B – 2022.10
▪ Rising piping. If necessary to make the slope possible, you can install rising
piping.
- Drain hose inclination: 0~75mm to avoid stress on the piping and to avoid air
bubbles.
- Rising piping: ≤300mm from the unit, ≤625mm perpendicular to the unit.
≤625
≤300
0~75
1000~1500
(mm)
ba
ba ddc
a Metal clamp (accessory)
b Drain hose (accessory)
c Rising drain piping (vinyl pipe of 25mm nominal diameter and 32mm outer
diameter) (field supply)
d Hanging bars (field supply)
▪ 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.
≥100≤625
(mm)
a
a T-joint
To connect the drain piping to the indoor unit
NOTICE
Incorrect connection of the drain hose might cause leaks, and damage the
installation space and surroundings.
1 Push the drain hose as far as possible over the drain pipe connection.
2 Tighten the metal clamp until the screw head is less than 4 mm from the
metal clamp part.
3 Check for water leaks (see "To check for water leaks"[457]).
4 Install the insulation piece (drain pipe).
5 Wind the large sealing pad (= insulation) around the metal clamp and drain
hose, and fix it with cable ties.
6 Connect the drain piping to the drain hose.