5 Piping installation
Installation manual
10
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
4P620239-1 – 2020.06
4.3 Opening and closing the unit
4.3.1 To open the outdoor unit
DANGER: RISK OF ELECTROCUTION
DANGER: RISK OF BURNING/SCALDING
4.3.2 To close the outdoor unit
NOTICE
Speed nut. Make sure the speed nut for the top screw is
correctly attached to the service cover.
a Speed nut
5 Piping installation
5.1 Preparing water piping
NOTICE
In case of plastic pipes, make sure they are fully oxygen
diffusion tight according to DIN 4726. The diffusion of
oxygen into the piping can lead to excessive corrosion.
NOTICE
Water circuit requirements. Make sure to comply with the
water pressure and water temperature requirements
below. For additional water circuit requirements, see the
installer reference guide.
▪ Water pressure. The maximum water pressure is 4bar. Provide
adequate safeguards in the water circuit to ensure that the
maximum pressure is NOT exceeded.
▪ Water temperature. All installed piping and piping accessories
(valve, connections,…) MUST withstand the following
temperatures:
INFORMATION
The following illustration is an example and might NOT
match your system layout.