Daikin VRV RXYQ72-384XAYCA, Service Manual

Page: 189 / 419

SiUS342004EB Field Settings for Outdoor Unit
Part 5 Field Settings and Test Operation 182
Default value: 0

Field setting: 1-31.

The source for cool/heat selection can be:
• Indoor unit: when outdoor unit DIP switch DS1-1 is at the OFF position.
• Cool/heat switch: set DIP switch DS1-1 on outdoor unit PCB to ON. Operation mode
according to connections A-B-C to optional PCB BRP2A81.
[2-2]: Low noise/demand address
Address for low noise/demand operation.
1 or more systems (maximum 10 systems wired by F1F2 OUT/D) can operate use the
LNO (Low Noise Operation) or/and the DE (Demand Operation) by instruction of field
supplied input to optional PCB DTA104A61/62.
To link the system to the corresponding DTA104A61/62, set the address same as the
DIP switches position on the related optional PCB DTA104A61/62.
Ensure that also field setting 2-12-1 is set to enable input from optional PCB
DTA104A61/62.
[2-5]: Cross wiring check
Default value: 0. Not active.
Set 1: force all connected indoor units to operate the indoor fan on high speed. This
setting can be made to check which units are missing in the communication if the
number of indoor units do not correspond to the system lay out. Ensure that after
cross wiring check was confirmed, to return setting to default 2-5-0. Once setting
2-5-1 is active, it is not automatically returning to default when exit mode 2.
[2-6]: Forced thermostat ON command all connected indoor units
Default value: 0. Not active.
Set 1: force all connected indoor units to operate under test (forced thermostat ON
command to outdoor). Ensure that when the forced thermostat ON needs to be
ended, to return setting to default 2-6-0. Once setting 2-6-1 is active, it is not
automatically returning to default when exit mode 2.
[2-8]: Te target temperature during cooling operation
Default value: 0
Value
[2-8]
Te target
0 (default) Auto
2 6°C (42.8°F)
3 7°C (44.6°F)
4 8°C (46.4°F)
5 9°C (48.2°F)
6 10°C (50.0°F)
7 11°C (51.8°F)
Change [2-8] to 0, 2-7 in function of required operation method during cooling.
For more information and advice about the effect of these settings, refer to Energy Saving and
Optimum Operation on page 201.
[2-9]: Tc target temperature during heating operation
Default value: 0
Value
[2-9]
Tc target
0 (default) Auto
1 41°C (105.8°F)
3 43°C (109.4°F)
6 46°C (114.8°F)