11 | Commissioning
Installer reference guide
220
EPRA14~18D + ETVZ16S18+23E
Daikin Altherma 3 H HT F
4P644739-1A – 2022.03
a Outdoor unit
b Indoor unit
c Backup heater
d Domestic hot water tank
M1S 3-way valve (mixing valve for the main/mixed zone)
M3S 3-way valve (space heating/domestic hot water)
To perform a manual air purge
INFORMATION
When purging the main zone, make sure the setpoint for the main zone is at least
5°C higher than the actual water temperature inside the unit.
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. See "To change
the user permission level"[4124].
—
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.
To perform an automatic air purge
INFORMATION
When purging the main zone, make sure the setpoint for the main zone is at least
5°C higher than the actual water temperature inside the unit.
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. See "To change
the user permission level"[4124].
—
2 Go to [A.3]: Commissioning > Air purge.
3 In the menu, set Type = Automatic.
4 Select Start air purge.