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6 Installation
NOTICE
▪ Install the drain hose with a downward slope.
▪ Traps are NOT permitted.
▪ Do NOT put the end of the hose in water.
▪ Drain hose extension. To extend the drain hose, use a field
supplied Ø16 mm hose. Do NOT forget to use 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 (Ø13 mm) directly to the drain hose, use a field
supplied drain socket (Ø13 mm).
a
b
a
Drain hose supplied with the indoor unit
b
Ø13 mm drain socket (field supply)
c
Rigid polyvinyl chloride pipe (field supply)
▪ Condensation. Take measures against condensation. Insulate
the complete drain piping in the building.
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.
6.2.6
To connect optional accessories (wired
user interface, central user interface,
wireless adapter, etc.)
1 Remove the electrical wiring box cover (refer to
electrical wiring box cover" on
2 Attach the connection cable to the S21 connector and pull the
wire harness as shown in the following figure.
Installer reference guide
14
b
c
c
"To remove the
page 10).
a
b
a
S21 wire harness routing for wireless adapter
b
S21 wire harness routing for other applications
c
S21 connector
3 Put the electrical wiring box cover back and pull the wire
harness around it as shown in the figure above.
6.2.7
To install the wireless adapter
For class 20, 25, 35
1
1 Place the wireless adapter against the hooks.
2 Lock the adapter by pressing it down.
3 For removal, perform the above steps in reverse order.
For class 50, 60, 71
4 Place the wireless adapter into the holder.
5 Fix the adapter in the holder by pressing down on it.
6 For removal, bend one clamp of the holder with a finger to
release the wireless adapter and remove it from the holder.
(A)(F)TXP20~35L2V1B + FTXF20~71A2V1B
c
1
Daikin room air conditioner
4P513661-1 – 2017.10
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