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Commissioning
Installer reference guide
240
EPRA14~W1 + ETSH/X(B)16P30+50EF
Daikin Altherma 3 H HT ECH₂O
4P679467-1 – 2022.02
To purge the air out of the unit with the manual air vent valves
b
c
a
a, b, c
Manual air vent valve
1
Connect a hose to the manual air vent valve
a
. Direct the free end away from
the unit.
2
Open the valve by turning until no more air escapes, then close it again.
3
Repeat step 1 and 2 for valve
b
.
4
In case that an option backup heater is installed, repeat step 1 and 2 for
valve
c
.
To perform a manual air purge
Conditions:
Make sure all operation is disabled. Go to [C]:
Operation
and turn off
Space heating/cooling
and
Tank
operation.
1
Set the user permission level to
Installer
—
2
Go to [A.3]:
Commissioning
>
Air purge
.
3
In the menu, set
Type
=
Manual
.
4
Select
Start air purge
.
5
Select
OK
to confirm.
Result:
The air purge starts. It stops automatically when ready.
6
During manual operation:
▪
You can change the pump speed.
▪
You must change the circuit.
To change these settings during the air purge, open the menu
and go to [A.3.1.5]:
Settings
.
▪
Scroll to
Circuit
and set it to
Space
/
Tank
.
▪
Scroll to
Pump speed
and set it to
Low
/
High
.
7
To stop the air purge manually:
—
1
Open the menu and go to
Stop air purge
.
2
Select
OK
to confirm.
