7 | Unit installation
Installer reference guide
65
EPRA08~12EAV3+W1 + ETBH/X12EF6V+9W
Daikin Altherma 3 H MT W
4P634885-1 – 2021.03
7 Unit installation
In this chapter
7.1 Preparing the installation site ................................................................................................................................................ 65
7.1.1 Installation site requirements of the outdoor unit ............................................................................................... 65
7.1.2 Additional installation site requirements of the outdoor unit in cold climates ................................................... 67
7.1.3 Installation site requirements of the indoor unit .................................................................................................. 68
7.2 Opening and closing the units................................................................................................................................................ 69
7.2.1 About opening the units ........................................................................................................................................ 69
7.2.2 To open the outdoor unit ...................................................................................................................................... 69
7.2.3 To remove the transportation stay........................................................................................................................ 70
7.2.4 To close the outdoor unit....................................................................................................................................... 71
7.2.5 To open the indoor unit ......................................................................................................................................... 71
7.2.6 To close the indoor unit ......................................................................................................................................... 73
7.3 Mounting the outdoor unit .................................................................................................................................................... 73
7.3.1 About mounting the outdoor unit ......................................................................................................................... 73
7.3.2 Precautions when mounting the outdoor unit...................................................................................................... 74
7.3.3 To provide the installation structure ..................................................................................................................... 74
7.3.4 To install the outdoor unit ..................................................................................................................................... 75
7.3.5 To provide drainage ............................................................................................................................................... 76
7.3.6 To install the discharge grille ................................................................................................................................. 77
7.3.7 To remove the discharge grille, and put the grille in safety position ................................................................... 79
7.4 Mounting the indoor unit....................................................................................................................................................... 81
7.4.1 About mounting the indoor unit............................................................................................................................ 81
7.4.2 Precautions when mounting the indoor unit ........................................................................................................ 81
7.4.3 To install the indoor unit........................................................................................................................................ 81
7.4.4 To connect the drain hose to the drain ................................................................................................................. 82
7.1 Preparing the installation site
Choose an installation location with sufficient space for carrying the unit in and out
of the 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.
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).
7.1.1 Installation site requirements of the outdoor unit
INFORMATION
Also read the precautions and requirements in the "2 General safety
precautions"[410].
Mind the spacing guidelines. See "16.1Service space: Outdoor unit"[4266].
NOTICE
▪ Do NOT stack the units on each other.
▪ Do NOT hang the unit on a ceiling.
Strong winds (≥18km/h) blowing against the outdoor unit’s air outlet causes short
circuit (suction of discharge air). This may result in: