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8 Commissioning
To perform an actuator test run.
Underfloor screed dryout function
The underfloor screed dryout function is started (if
necessary).
8.2.1
To check the minimum flow rate
Mandatory procedure for the additional zone
1 Check the hydraulic configuration to find out which
space heating loops can be closed by mechanical,
electronic, or other valves.
2 Close all space heating loops that can be closed.
3 Start the pump test run (see
actuator test
run" [ 4 38]).
(a)
4 Read out the flow rate
and modify the bypass valve
setting to reach the minimum required flow rate + 2 l/
min.
(a)
During pump test run, the unit can operate below the minimum
required flow rate.
Recommended procedure for the main zone
INFORMATION
The pump of the additional zone ensures that the minimum
flow rate for correct operation of the unit is guaranteed.
1 Check with the hydraulic configuration which space
heating loops can be closed by mechanical,
electronic, or other valves.
2 Close all space heating loops that can be closed
(see previous step).
3 Create a thermo request on the main zone only.
4 Wait 1 minute until the unit is stabilized.
5 If the additional pump is still assisting (the green
LED on the right hand sided pump is ON) increase
the flow until the additional pump is not assisting
anymore (LED is OFF).
6 Go to [8.4.A]: Information > Sensors > Flow
rate.
7 Read out the flow rate and modify the bypass valve
setting to reach the minimum required flow rate + 2 l/
min.
If operation is...
Cooling
Heating/defrost
8.2.2
To perform an air purge
Conditions: Make sure all operation is disabled. Go to [C]:
Operation and turn off Space
operation.
1 Set the user permission level to Installer. See
change the user permission
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.
Installation manual
38
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"8.2.4 To perform an
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Then the minimum required
flow rate is...
10 l/min
20 l/min
heating/cooling and Tank
"To
—
level" [ 4 28].
—
INFORMATION
When air purging in automatic mode, the first air purge is
always for the main zone, the second started air purge is
always for the additional zone. To air purge the domestic
hot water tank circuit, choose [A.3.1.5.2] Circuit=Tank at
the start of the manual air purge of the main zone or
additional zone.
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.
8.2.3
To perform an operation test run
INFORMATION
The test run only applies to the additional temperature
zone.
Conditions: Make sure all operation is disabled. Go to [C]:
Operation and turn off Space
operation.
1 Set the user permission level to Installer. See
change the user permission
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 ready (±30 min).
To stop the test run manually:
1 In the menu, go to Stop test run.
2 Select OK to confirm.
INFORMATION
If the outdoor temperature is outside the range of
operation, the unit may NOT operate or may NOT deliver
the required capacity.
To monitor leaving water and tank temperatures
During test run, 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 temperatures:
1 In the menu, go to Sensors.
2 Select the temperature information.
8.2.4
To perform an actuator test run
Purpose
Perform an actuator test run to confirm the operation of the different
actuators. For example, when you select Pump, a test run of the
pump will start.
heating/cooling and Tank
"To
—
level" [ 4 28].
—
ELVZ12S18+23E
Daikin Altherma 3 R MT F
4P708476-1 – 2023.03
or
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