Daikin VRV RXYQ72-384XAYCA Service Manual page 190

Field Settings for Outdoor Unit
Change [2-9] to 0, 1, 3 or 6 in function of required operation method during heating.
For more information and advice about the effect of these settings, refer to Energy Saving and
Optimum Operation on page 201.
[2-12]:
[2-13]:
[2-18]:
[2-20]:
[2-21]:
183
Enable the night-time low noise function and/or power consumption limitation via
external control adaptor (DTA104A61/62)
If the system needs to run under night-time low noise operation or under power
consumption limitation conditions when an external signal is sent to the unit, this setting
should be changed. This setting will only be effective when the optional external control
adaptor (DTA104A61/62) is installed.
Default value: 0
To activate this function, change [2-12] to 1.
AIRNET address
When an AIRNET system will be used, outdoor unit needs an AIRNET address.
Also to facilitate the recognition of a system in the map lay out of the service checker
type III, set each system a unique address between 1 and 63.
When duplicating of AIRNET address, UC error code will appear on central control.
Fan high static pressure setting
In order to increase the static pressure the outdoor fan is delivering, this setting
should be activated. For details about this setting, see technical specifications.
Default value: 0
To activate this function, change [2-18] to 1.
Additional refrigerant charge
In order to add the additional refrigerant charge amount following setting should be
applied.
Default value: 0
To activate this function, change [2-20] to 1.
To stop the additional refrigerant charge operation (when the required additional
refrigerant amount is charged), press the RETURN (BS3) button. If this function was
not aborted by pressing the RETURN (BS3) button, the unit will stop its operation
after 30 minutes.
If 30 minutes was not sufficient to add the needed refrigerant amount, the function
can be reactivated by changing the field setting again.
Refrigerant recovery/vacuuming mode
In order to achieve a free pathway to recover refrigerant out of the system or to remove
residual substances or to vacuum the system it is necessary to apply a setting which will
open required valves in the refrigerant circuit so the recovering of refrigerant or
vacuuming process can be done properly.
Default value: 0
To activate this function, change [2-21] to 1.
To stop the refrigerant recovery/vacuuming mode, press the RETURN (BS3) button. If
the RETURN (BS3) button is not pressed, the system will remain in refrigerant
recovery/vacuuming mode.
SiUS342004EB
Part 5 Field Settings and Test Operation