Daikin VRV IV+ RYYQ8U7Y1B Series Installer And User Manual page 128

19 | Configuration
Installer and user reference guide
128
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
based on error codes" [
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
4
function" [ 142].
[1‑34]
Shows the remaining days until 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 chosen field setting, 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:
▪ [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.
4
155], where most relevant malfunction codes are
"23.1 Solving problems
"19.4 Using the leak detection
RYYQ+RYMQ+RXYQ
VRV IV+ heat pump
4P546228-1C – 2021.11