Mode 2: Field Settings - Daikin VRV IV+ RYYQ12U7Y1B Series Installer And User Manual

7 Configuration
▪ The first method is to enable a forced power consumption
limitation by field setting. The unit will always operate at the
selected power consumption limitation.
▪ The second method is to enable power consumption limitation
based on an external input. For this operation an optional
accessory is required.
[1‑5] [1‑6]
Shows:
▪ [1‑5]: The current T target parameter position.
e
▪ [1‑6]: The current T target parameter position.
c
For more information and advice about the impact of these settings,
see "7.3 Energy saving and optimum operation" on
[1‑10]
Shows the total number of connected indoor units.
It can be convenient to check if the total number of indoor units
which are installed match the total number of indoor units which are
recognised by the system. In case there is a mismatch, it is
recommended to check the communication wiring path between
outdoor and indoor units (F1/F2 communication line).
[1‑13]
Shows the total number of connected outdoor units (in case of
multiple outdoor system).
It can be convenient to check if the total number of outdoor units
which are installed matches the total number of outdoor units which
are recognised by the system. In case there is a mismatch, it is
recommended to check the communication wiring path between
outdoor and outdoor units (Q1/Q2 communication line).
[1‑17] [1‑18] [1‑19]
Shows:
▪ [1‑17]: The latest malfunction code.
▪ [1‑18]: The 2nd last malfunction code.
▪ [1‑19]: The 3rd last malfunction code.
When the latest malfunction codes were reset by accident on an
indoor unit user interface, they can be checked again through this
monitoring settings.
For the content or reason behind the malfunction code see
"10.2 Solving problems based on error codes" on page
most relevant malfunction codes are explained. Detailed information
about malfunction codes can be consulted in the service manual of
this unit.
[1‑29] [1‑30] [1‑31]
Shows the estimated leaked refrigerant amount (kg) based on:
▪ [1‑29]: The latest leak detection operation.
▪ [1‑30]: The 2nd last leak detection operation.
▪ [1‑31]: The 3rd last leak detection operation.
To be able to use the leak detection operation, see
leak detection function" on page 46.
[1‑34]
Shows the remaining days till the next automatic leak detection (if
automatic leak detection function is activated).
When the automatic leak detection function was activated through
mode 2 settings, it is possible to see within how many days, the
automatic leak detection will be performed. Depending on the field
setting chosen, the automatic leak detection function can be
programmed one time into the future or on perpetual basis.
Indication is given in remaining days and is between 0 and 365 days.
[1‑35] [1‑36] [1‑37]
Shows the result of:
Installer and user reference guide
40
▪ [1‑35]: The latest automatic leak detection execution.
▪ [1‑36]: The 2nd last automatic leak detection operation.
▪ [1‑37]: The 3rd last automatic leak detection operation.
When the automatic leak detection was activated through mode 2
settings, it is possible to see what was the last result of the
automatic leak detection operation.
[1‑35] [1‑36] [1‑37]
page 43.
[1‑35]=1
[1‑36]=1
[1‑37]=1
For more information see
page 46.
[1‑38] [1‑39]
Shows:
▪ [1‑38]: The number of RA DX indoor units connected to the
system.
▪ [1‑39]: The number of Hydrobox (HXY080/125) indoor units
connected to the system.
[1‑40] [1‑41]
Shows:
▪ [1‑40]: The current cooling comfort setting.
▪ [1‑41]: The current heating comfort setting.
See "7.3 Energy saving and optimum operation" on page 43
more details about this setting.
7.2.8
50, where
[2‑0]
Cool/Heat selection setting.
Cool/Heat selection setting is used in case the optional Cool/Heat
selector (KRC19-26A and BRP2A81) is used. Depending on the
outdoor unit setup (single outdoor unit setup or multi outdoor unit
setup), the correct setting should be chosen. More details on how to
use the Cool/Heat selector option can be found in the manual of the
Cool/Heat selector.
[2‑0]
"7.4 Using the
0 (default)
Description
1 Normal execution of leak detection operation
occurred.
2 Operation conditions during leak detection
operation were not satisfied (ambient
temperature was not within the limitations).
3 Malfunction occurred during leak detection
operation.
If Then the estimated leaked refrigerant
amount is displayed in
[1‑29]
[1‑30]
[1‑31]
"7.4 Using the leak detection function" on

Mode 2: Field settings

Description
Each individual outdoor unit can select Cool/
Heat operation (by Cool/Heat selector if
installed), or by defining master indoor user
interface (see setting [2‑83] and the operation
manual).
1 Master unit decides Cool/Heat operation when
outdoor units are connected in multiple system
(a)
combination .
2 Slave unit for Cool/Heat operation when
outdoor units are connected in multiple system
(a)
combination .
(a) It is necessary to use the optional external control adaptor
for outdoor unit (DTA104A61/62). See the instruction
delivered with the adaptor for further details.
RYYQ+RYMQ+RXYQ8~20U7Y1B
for
VRV IV+ heat pump
4P546228-1 – 2018.09