Daikin CHYHBH08AAV32 [21/32] Commissioning
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Daikin CHYHBH08AAV32 [21/32] Commissioning

Daikin CHYHBH08AAV32 [21/32] Commissioning
6 Commissioning
Installation manual
21
CHYHBH05+08AA
Daikin Altherma R Hybrid
4P471756-1E – 2019.09
Prerequisite: Make sure that the water temperature in the system is
>25°C.
1 Heat up the water temperature in the system >25°C.
NOTICE
If the water temperature in the system is ≤25°C, the plate
heat exchanger will freeze and damage occurs.
2 Proceed with the steps as described in the outdoor unit
installation manual or outdoor unit installer reference guide to
perform a wiring error check.
NOTICE
Make sure that the minimum required water flow in the unit
is guaranteed.
6.2.2 To check the minimum flow rate
1 Confirm according to the hydraulic configuration which space
heating loops can be closed due to mechanical, electronic, or
other valves.
2 Close all space heating loops that can be closed (see previous
step).
3 Start the pump test run operation (see "6.2.5 To perform an
actuator test run"[421]).
4 Go to [6.1.8]:
> Information > Sensor information >
Flow rate to check the flow rate. During pump test run
operation, the unit can operate below this minimum required
flow rate.
Bypass valve foreseen?
Yes No
Modify the bypass valve setting
to reach the minimum required
flow rate + 2l/min
In case the actual flow rate is
below the minimum flow rate,
modifications at the hydraulic
configuration are required.
Increase the space heating loops
that can NOT be closed or install
a pressure‑controlled bypass
valve.
Minimum required flow rate
05+08 models 9l/min
6.2.3 To perform an air purge
Prerequisite: Make sure that the leaving water temperature home
page, room temperature home page, and domestic hot water home
page are turned OFF.
1 Go to [A.7.3]:
> Installer settings > Commissioning >
Air purge.
2 Set the type.
3 Select Start air purge and press
.
4 Select OK and press
.
Result: The air purge starts. It stops automatically when done. To
stop it manually, press
, select OK and press .
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 an error
or
is displayed on the home pages 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.
6.2.4 To perform a test run
Prerequisite: Make sure that the leaving water temperature home
page, room temperature home page, and domestic hot water home
page are turned OFF.
1 Set the user permission level to Installer. See "To set the user
permission level to Installer"[413].
2 Go to [A.7.1]:
> Installer settings > Commissioning >
Test run.
3 Select a test and press
. Example: Heating.
4 Select OK and press
.
Result: The test run starts. It stops automatically when done
(±30min). To stop it manually, press
, select OK and press .
INFORMATION
If 2 user interfaces are present, you can start a test run
from both user interfaces.
▪ The user interface used to start the test run displays a
status screen.
▪ The other user interface displays a "busy" screen. You
cannot use the user interface as long as the "busy"
screen is shown.
6.2.5 To perform an actuator test run
Prerequisite: Make sure that the leaving water temperature home
page, room temperature home page, and domestic hot water home
page are turned OFF.
1 Set the user permission level to Installer. See "To set the user
permission level to Installer"[413].
2 Make sure the room temperature control, the leaving water
temperature control and the domestic hot water control are
turned OFF via the user interface.
3 Go to [A.7.4]:
> Installer settings > Commissioning >
Actuator test run.
4 Select an actuator and press
. Example: Pump.
5 Select OK and press
.
Result: The actuator test run starts. It automatically stops when
finished. To stop it manually, press
, select OK and press .
Possible actuator test runs
▪ 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.
▪ Solar pump test
▪ Shut-off valve test
▪ 3-way valve test
▪ Alarm output test

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