Daikin CHYHBH08AFV32 [155/220] Commissioning

Daikin CHYHBH08AFV32 [155/220] Commissioning
10 | Commissioning
Installer reference guide
155
CHYHBH05+08AF + EHYKOMB33A
Daikin Altherma R Hybrid
4P471761-1E – 2020.10
To perform an air purge.
To perform a test run when the hybrid is in heating mode.
To perform an actuator test run.
Underfloor screed dryout function
The underfloor screed dryout function is started (if necessary).
To perform a gas pressure test.
To perform a test run on the gas boiler.
To perform a test run on the airconditioning DX unit in cooling mode.
10.4.1 To perform a wiring error check
INFORMATION
You only have to perform a wiring error check if you are not sure that the
electrical wiring and piping is connected correctly.
If you perform a wiring error check, the hybrid for multi indoor unit will not
operate by heat pump for 72hours. During this time, the gas boiler will take over
the hybrid operation.
Prerequisite: Indoor and outdoor unit must be installed and connected.
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.
10.4.2 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 "10.4.5 To perform an actuator test
run"[4159]).
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.

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