To Provide Drainage; Connecting The Refrigerant Piping; To Connect The Refrigerant Piping To The Indoor Unit; Connecting The Electrical Wiring - Daikin FTXA25A2V1BW Installation Manual

5.2.4

To provide drainage

Make sure condensation water can be evacuated properly. This
involves:
▪ General guidelines
▪ Connecting the drain piping to the indoor unit
▪ Checking for water leaks
To connect the piping on right side, right-back, or
right-bottom
INFORMATION
The factory default is right-side piping. For left-side piping,
remove the piping from the right side and install it on the
left side.
1 Attach the drain hose with adhesive vinyl tape to the bottom of
the refrigerant pipes.
2 Wrap the drain hose and the refrigerant pipes together using
insulation tape.
A
C
a b B
A Right-side piping
B Right-bottom piping
C Right-back piping
a Remove the pipe port cover here for right-side piping.
b Remove the pipe port cover here for right-bottom piping.
To connect the piping on left side, left-back, or
left-bottom
INFORMATION
The factory default is right-side piping. For left-side piping,
remove the piping from the right side and install it on the
left side.
1 Remove the insulation fixing screw on the right side and
remove the drain hose.
2 Remove the drain plug on the left side and attach it to the right
side.
NOTICE
Do NOT apply lubricating oil (refrigerant oil) to the drain
plug when inserting it. The drain plug may deteriorate and
cause drain leakage from the plug.
3 Insert the drain hose on the left side and do not forget to tighten
it with the fixing screw; otherwise water leakage may occur.
a
b
a Insulation fixing screw
b Drain hose
4 Attach the drain hose to the refrigerant pipes bottom side using
adhesive vinyl tape.
CTXA15+FTXA25~50(A)(B)2V1B(W)(S)(T)(B)
Daikin room air conditioner
3P482320-7P – 2019.10
To check for water leaks
1 Remove the air filters.
2 Gradually pour approximately 1 l of water in the drain pan, and
5.3
5.3.1
▪ Pipe length. Keep refrigerant piping as short as possible.
▪ Flare connections. Connect refrigerant piping to the unit using
▪ Insulation. Insulate the refrigerant piping, interconnection cable
a
b
f
5.4
a
b
b
A Left-side piping
B Left-back piping
C Left-bottom piping
a Remove the pipe port cover here for left-side piping.
b Remove the pipe port cover here for left-bottom piping.
check for water leaks.

Connecting the refrigerant piping

DANGER: RISK OF BURNING
To connect the refrigerant piping to the
indoor unit
flare connections.
and drain hose on the indoor unit as follows:
c
d
e
g
a Gas pipe
b Gas pipe insulation
c Interconnection cable
d Liquid pipe
e Liquid pipe insulation
f Finishing tape
g Drain hose
NOTICE
Make sure to insulate all refrigerant piping. Any exposed
piping might cause condensation.

Connecting the electrical wiring

DANGER: RISK OF ELECTROCUTION
WARNING
ALWAYS use multicore cable for power supply cables.
5 Installation
a
A
B
C
Installation manual
7