7 | Unit installation
Installer reference guide
69
ERLA11~16D + EBBH/X11+16D
Daikin Altherma 3 R W
4P643603-1B – 2022.05
In any case, provide at least 150 mm of free space below the unit. Additionally,
make sure the unit is positioned at least 100 mm above the maximum expected
level of snow. See "7.3Mounting the outdoor unit"[483] for more details.
In heavy snowfall areas it is very important to select an installation site where the
snow will NOT affect the unit. If lateral snowfall is possible, make sure that the heat
exchanger coil is NOT affected by the snow. If necessary, install a snow cover or
shed and a pedestal.
7.1.3 Installation site requirements of the indoor unit
INFORMATION
Also read the precautions and requirements in the "2 General safety
precautions"[410].
▪ The indoor unit is designed for indoor installation only and for the following
ambient temperatures:
- Space heating operation: 5~30°C
- Space cooling operation: 5~35°C
- Domestic hot water production: 5~35°C
INFORMATION
Cooling is only applicable in case of reversible models.
▪ Mind the following measurements guidelines:
Maximum refrigerant piping length
(a)
between indoor unit and
outdoor unit
50m
Minimum refrigerant piping length
(a)
between indoor unit and
outdoor unit
3m
Maximum height difference between indoor unit and outdoor
unit
30m
Maximum height difference between indoor unit and
domestic hot water tank
5m
Maximum distance between indoor unit and domestic hot
water tank
10m
Maximum distance between indoor unit and 3-way valve (for
installations with domestic hot water tank)
10m
(a)
Refrigerant piping length is the one-way length of liquid piping.
▪ Mind the following spacing installation guidelines: