6 | Unit installation
Installer reference guide
23
CTXM15+FTXM20~42+ATXM20~35R2/5V1B + FTXM50~71R2V1B +
ATXM50R2V1B
Daikin room air conditioner
4P518023-8G – 2020.06
6 Unit installation
In this chapter
6.1 Preparing the installation site ................................................................................................................................................ 23
6.1.1 Installation site requirements of the indoor unit .................................................................................................. 23
6.2 Opening the indoor unit ......................................................................................................................................................... 24
6.2.1 To remove the front panel..................................................................................................................................... 24
6.2.2 To open the service cover...................................................................................................................................... 25
6.2.3 To remove the front grille...................................................................................................................................... 25
6.3 Mounting the indoor unit....................................................................................................................................................... 26
6.3.1 To install the mounting plate................................................................................................................................. 26
6.3.2 To drill a wall hole .................................................................................................................................................. 27
6.3.3 To remove the pipe port cover.............................................................................................................................. 28
6.4 Connecting the drain piping ................................................................................................................................................... 28
6.4.1 General guidelines.................................................................................................................................................. 28
6.4.2 To connect the piping on right side, right-back, or right-bottom......................................................................... 29
6.4.3 To connect the piping on left side, left-back, or left-bottom................................................................................ 30
6.4.4 To check for water leaks ........................................................................................................................................ 31
6.1 Preparing the installation site
Do NOT install the unit in places often used as work place. In case of construction
works (e.g. grinding works) where a lot of dust is created, the unit MUST be
covered.
Choose an installation location with sufficient space for carrying the unit in and out
of the site.
WARNING
The appliance shall be stored in a room without continuously operating ignition
sources (example: open flames, an operating gas appliance or an operating electric
heater).
6.1.1 Installation site requirements of the indoor unit
INFORMATION
Also read the precautions and requirements in the "General safety precautions"
chapter.
INFORMATION
The sound pressure level is less than 70dBA.
▪ Air flow. Make sure nothing blocks the air flow.
▪ Drainage. Make sure condensation water can be evacuated properly.
▪ Wall insulation. When conditions in the wall exceed 30°C and a relative humidity
of 80%, or when fresh air is inducted into the wall, then additional insulation is
required (minimum 10mm thickness, polyethylene foam).
▪ Wall strength. Check whether the wall or the floor is strong enough to support
the weight of the unit. If there is a risk, reinforce the wall or the floor before
installing the unit.
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