7 | Unit installation
Installer reference guide
48
EVLQ05+08CA + EHYHBH05A + EHYHBH/X08A + EHYKOMB33AA
Daikin Altherma hybrid heat pump
4P355634-1G – 2022.09
7 Unit installation
In this chapter
7.1 Preparing the installation site ................................................................................................................................................ 48
7.1.1 Installation site requirements of the outdoor unit ............................................................................................... 49
7.1.2 Additional installation site requirements of the outdoor unit in cold climates ................................................... 50
7.1.3 Installation site requirements of the indoor unit .................................................................................................. 51
7.2 Opening and closing the units................................................................................................................................................ 52
7.2.1 About opening the units ........................................................................................................................................ 52
7.2.2 To open the outdoor unit ...................................................................................................................................... 52
7.2.3 To open the switch box cover of the indoor unit .................................................................................................. 53
7.2.4 To open the gas boiler ........................................................................................................................................... 54
7.2.5 To open the switch box cover of the gas boiler .................................................................................................... 54
7.2.6 To close the outdoor unit....................................................................................................................................... 55
7.2.7 To close the indoor unit ......................................................................................................................................... 55
7.2.8 To close the gas boiler ........................................................................................................................................... 55
7.2.9 To install the gas boiler cover plate....................................................................................................................... 56
7.3 Mounting the outdoor unit .................................................................................................................................................... 56
7.3.1 About mounting the outdoor unit ......................................................................................................................... 56
7.3.2 Precautions when mounting the outdoor unit...................................................................................................... 57
7.3.3 To provide the installation structure ..................................................................................................................... 57
7.3.4 To install the outdoor unit ..................................................................................................................................... 59
7.3.5 To provide drainage ............................................................................................................................................... 60
7.3.6 To prevent the outdoor unit from falling over ...................................................................................................... 61
7.4 Mounting the indoor unit....................................................................................................................................................... 62
7.4.1 About mounting the indoor unit............................................................................................................................ 62
7.4.2 Precautions when mounting the indoor unit ........................................................................................................ 62
7.4.3 To install the indoor unit........................................................................................................................................ 62
7.5 Mounting the gas boiler ......................................................................................................................................................... 63
7.5.1 To install the gas boiler .......................................................................................................................................... 63
7.5.2 To install the condensate trap ............................................................................................................................... 65
7.6 Connecting the boiler to the flue gas system ........................................................................................................................ 66
7.6.1 To change the gas boiler to 80/125 concentric connection ................................................................................. 67
7.6.2 To change the 60/100 concentric connection to a dual pipe connection............................................................ 68
7.6.3 Calculate the total piping length............................................................................................................................ 69
7.6.4 Appliance categories and pipe lengths.................................................................................................................. 70
7.6.5 Applicable materials............................................................................................................................................... 74
7.6.6 Flue pipe position................................................................................................................................................... 75
7.6.7 Insulation of the gas exhaust and air intake.......................................................................................................... 76
7.6.8 Fitting a horizontal flue system.............................................................................................................................. 76
7.6.9 Fitting a vertical flue system .................................................................................................................................. 77
7.6.10 Plume management kit .......................................................................................................................................... 77
7.6.11 Flues in voids .......................................................................................................................................................... 78
7.6.12 Flue gas materials (C63) available on the market ................................................................................................. 79
7.6.13 About securing the flue system ............................................................................................................................. 80
7.7 Condensate pipe work............................................................................................................................................................ 81
7.7.1 Internal connections .............................................................................................................................................. 82
7.7.2 External connections.............................................................................................................................................. 83
7.1 Preparing the installation site
Choose an installation location with sufficient space to transport 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.
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