To Perform An Air Purge; To Perform An Operation Test Run; To Perform An Actuator Test Run; To Perform An Underfloor Heating Screed Dryout - Daikin EHVZ08S23DA6V Installation Manual

Minimum required flow rate
12 l/min
6.2.2

To perform an air purge

Conditions: Make sure all operation is disabled. Go to the
Operation menu and turn off Room, Space heating/cooling and
Tank operation.
1 Set the user permission level to Installer. See
change the user permission level" on
2 Go to [A.3]: Commissioning > Air purge.
3 Select OK to confirm.
Result: The air purge starts. It stops automatically
when air purge cycle is finished.
To stop the air purge manually:
1 Go to Stop air purge.
2 Select OK to confirm.
INFORMATION
For both manual and automatic air purge, 1 temperature
zone is purged with each air purge start. To purge the
other temperature zone, you have to restart the air purge
function. When performing an air purge for the first time,
the main temperature zone will be purged.
Air purging heat emitters or collectors
We recommend to purge air with the unit's air purge function (see
above). However, if you purge air from the heat emitters or
collectors, mind the following:
WARNING
Air purging heat emitters or collectors. Before you
purge air from heat emitters or collectors, check if
is displayed on the home screen of the user interface.
▪ If not, you can purge air immediately.
▪ If yes, make sure that the room where you want to
purge air is sufficiently ventilated. Reason: Refrigerant
might leak into the water circuit, and subsequently into
the room when you purge air from the heat emitters or
collectors.
6.2.3

To perform an operation test run

Conditions: Make sure all operation is disabled. Go to the
Operation menu and turn off Room, Space heating/cooling and
Tank operation.
INFORMATION
The test run only applies to the additional temperature
zone.
1 Set the user permission level to Installer. See
change the user permission level" on
2 Go to [A.1]: Commissioning > Operation test
run.
3 Select a test from the list. Example: Heating.
4 Select OK to confirm.
Result: The test run starts. It stops automatically
when done (±30 min).
To stop the test run manually:
1 Go to Stop test run.
2 Select OK to confirm.
EHVZ04+08S18+23DA + EHVZ04+08S18+23DJ
Daikin Altherma 3 R F
4P584429-1 – 2019.06
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If the installation of the unit has been done correctly, the unit will
start up during test operation in the selected operation mode. During
test mode, the correct operation of the unit can be checked by
monitoring its leaving water temperature (heating/cooling mode) and
tank temperature (domestic hot water mode).
To monitor the temperature:
1 Go to Sensors.
2 Select the temperature information.
6.2.4

To perform an actuator test run

Conditions: Make sure all operation is disabled. Go to the
Operation menu and turn off Room, Space heating/cooling and
Tank operation.
Purpose of the actuator test run is to confirm the operation of the
different actuators (e.g., when you select Pump, a test run of the
pump will start).
1 Set the user permission level to Installer. See
change the user permission level" on
2 Go to [A.2]: Commissioning > Actuator test run.
3 Select a test from the list. Example: Pump.
4 Select OK to confirm.
Result: The actuator test run starts. It stops
automatically when done (±30 min).
To stop the test run manually:
1 Go to Stop test run.
2 Select OK to confirm.
Possible actuator test runs
▪ Backup heater 1 test
▪ Backup heater 2 test
▪ Pump test
INFORMATION
Make sure that all air is purged before executing the test
run. Also avoid disturbances in the water circuit during the
test run.
▪ Shut off valve test
▪ Diverter valve test
▪ Bivalent signal test
▪ Alarm output test
▪ C/H signal test
▪ DHW pump test
6.2.5 To perform an underfloor heating screed
dryout
Conditions: Make sure all operation is disabled. Go to the
Operation menu and turn off Room, Space heating/cooling and
Tank operation.
1 Set the user permission level to Installer. See
change the user permission level" on
2 Go to [A.4]: Commissioning > UFH screed dryout.
3 Set a dryout program: go to Program and use the
UFH screed dryout programming screen.
6 Commissioning
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Installation manual
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