5 Installation
Installation manual
7
FBA35~140A2VEB
Split system air conditioners
4P456962-1C – 2017.04
▪
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)
b
a
b
c
a
d
d
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
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.
≤
4 mm
A
A'
A-A'
A
A'
f
6
5
2
c
e
4
b
a
d
b
a
d
c
3
1
2~6
1
a
Drain pipe connection (attached to the unit)
b
Drain hose (accessory)
c
Metal clamp (accessory)
d
Large sealing pad (accessory)
e
Insulation piece (drain pipe) (accessory)
f
Drain piping (field supply)
NOTICE
▪ Do NOT remove the drain pipe plug. Water might leak
out.
▪ Use the drain outlet only to discharge the water if the
drain pump is not used or before maintenance.
▪ Insert and remove the drain plug gently. Excessive
force may deform the drain socket of the drain pan.
Pull out the plug.
▪ Do NOT wiggle the plug up and down.
a
Push in the plug.
▪ Set the plug and push it in using a Phillips screwdriver.
a
b
a
Drain plug
b
Phillips screwdriver
To check for water leaks
The procedure differs depending on whether electrical wiring is
already finished. When electrical wiring is not finished yet, you need
to temporarily connect the user interface and power supply to the
unit.
When electrical wiring is not finished yet
1
Temporarily connect electrical wiring.
2
Remove the switch box cover (a).
3
Connect the single-phase power supply (50 Hz, 230 V) to
connections No. 1 and No. 2 on the terminal block for power
supply (d) and earth (c).
4
Reattach the switch box cover (a).
