Filling The Storage Tank; Filling The Heating System - Daikin Altherma 3 R ECH2O Manual De Instalación Y Funcionamiento

3.9 Filling the system
Only fill the indoor unit after all installation work is completed in the
order shown below.
3.9.1 Checking the water quality and adjusting
the manometer
1 Comply with the instructions for the water connection
connection" [ 4 19]) and for the water quality.
(see "3.6 Water
2 Adjust the mechanical manometer (mounted on site in
accordance with "3.6.2 Connecting hydraulic lines"
temporarily installed with filling hose): Turn the pressure gauge
glass so that the minimum pressure marking corresponds to the
system height +2 m (1 m water column corresponds to
0.1 bar).
3.9.2 Filling hot water heat exchangers
1 Open the shut-off valve for the cold water supply pipe.
2 Open the hot water tap connections so that the draw-off volume
can be set as high as possible.
3 Once water has been discharged from the tap connections, do
not interrupt the cold water flow to ensure that the heat
exchanger will be fully vented and that any impurities or residue
will be discharged.
3.9.3

Filling the storage tank

Without installed solar system
1 Connect the charge hose with non-return valve (1/2") to the
"Solar flow" connection (item a).
2 Fill the storage tank of the indoor unit until water emerges at
the overflow connection (item b).
3 Disconnect the charge hose with backflow prevention (1/2")
again.
With installed solar system
1 Install the filling connection with combined filling and draining
valve (accessory combined filling and draining BA) following
the solar control and pump unit (EKSRPS4).
2 Connect the charge hose with non-return valve (1/2") to the
previously installed combined filling and draining valve.
3 Fill the storage tank of the indoor unit until water emerges at
the overflow connection (item b).
4 Disconnect the charge hose with backflow prevention (1/2")
again.
Daikin Altherma EHS(X/H)(B)-D
Daikin Altherma 3 R ECH₂O
008.1451099_00 – 07/2020
[ 4 19] or
3‒45 Filling the buffer tank - without connected DrainBack solar
system
a
b
3.9.4

Filling the heating system

DANGER: RISK OF ELECTROCUTION
During the filling process, water may escape from any
leaking points that can cause an electric shock if it comes
into contact with live parts.
▪ Before the filling process, de-energise the indoor unit.
▪ After the first filling and before switching on the indoor
unit at the mains switch, check that all electric parts
and connection points are dry.
INFORMATION
Comply with the instructions for the water connection (see
"3.6 Water connection"
"1.2.6 Heating system and sanitary
3 Set-up and installation
Solar flow
Safety overflow
[ 4 19]) and water quality (see
connection" [ 4 6]).
Installation and operating manual
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