Connecting The Refrigerant Piping; Guidelines When Connecting The Refrigerant Piping - Daikin FTXP20M5V1B Manual De Instalación

5 Installation
▪ Drain hose extension. To extend the drain hose, use a field
supplied hose with inner Ø16 mm. Do NOT forget to use a heat
insulation tube on the indoor section of the extension hose.
a a
a Drain hose supplied with the indoor unit
b Heat insulation tube (field supply)
c Extension drain hose
▪ Rigid polyvinyl chloride pipe. When connecting a rigid polyvinyl
chloride pipe (nominal Ø13 mm) directly to the drain hose as with
embedded piping work, use a field supplied drain socket (nominal
Ø13 mm).
a b
a Drain hose supplied with the indoor unit
b Drain socket with nominal Ø13 mm (field supply)
c Rigid polyvinyl chloride pipe (field supply)
▪ Condensation. Take measures against condensation. Insulate
the complete drain piping in the building.
1 Insert the drain hose in the drain pipe as shown in the following
figure, so it will NOT be pulled out of the drain pipe.
mm
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.
Installation manual
8
b c
c
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 piping bottom side using
adhesive vinyl tape.
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
To check for water leaks
1 Remove the air filters.
2 Gradually pour approximately 1 l of water in the drain pan, and
check for water leaks.
5.3

Connecting the refrigerant piping

DANGER: RISK OF BURNING
5.3.1 Guidelines when connecting the
refrigerant piping
Take the following guidelines into account when connecting pipes:
▪ Coat the flare inner surface with ether oil or ester oil when
connecting a flare nut. Tighten 3 or 4 turns by hand, before
tightening firmly.
(A)(F)TXP20~35M5V1B + FTXP20~35M5V1B9
a
b
a
A
B
C
Daikin room air conditioner
3P519299-4Q – 2020.06