Daikin VRV IV Q+ Series Installer And User Reference Manual

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20 | ConfigurationInstaller and user reference guide126RXYQQ8~20U7Y1BVRV IV Q+ series heat pump4P546229-1A – 2020.10It can be convenient to check if the total number of indoor units which are installedmatch the total number of indoor units which are recognised by the system. Incase there is a mismatch, it is recommended to check the communication wiringpath between outdoor and indoor units (F1/F2 communication line).[1‑13]Shows the total number of connected outdoor units (in case of multiple outdoorsystem).It can be convenient to check if the total number of outdoor units which areinstalled matches the total number of outdoor units which are recognised by thesystem. In case there is a mismatch, it is recommended to check thecommunication wiring path between outdoor and outdoor units (Q1/Q2communication 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 userinterface, they can be checked again through this monitoring settings.For the content or reason behind the malfunction code see "24.1 Solving problemsbased on error codes" [4 147], where most relevant malfunction codes areexplained. Detailed information about malfunction codes can be consulted in theservice manual of this unit.[1‑40] [1‑41]Shows:▪ [1‑40]: The current cooling comfort setting.▪ [1‑41]: The current heating comfort setting.See "20.3 Energy saving and optimum operation" [4 131] for more details aboutthis setting.20.2.8 Mode 2: Field settings[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 (singleoutdoor unit setup or multi outdoor unit setup), the correct setting should bechosen. More details on how to use the Cool/Heat selector option can be found inthe manual of the Cool/Heat selector.[2‑0] Description0 (default) Each individual outdoor unit can select Cool/Heatoperation (by Cool/Heat selector if installed), or bydefining master indoor user interface (see setting [2‑83]and the operation manual).1 Master unit decides Cool/Heat operation when outdoorunits are connected in multiple system combination(a).