20
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Configuration
Installer and user reference guide
122
RWEYQ8~14T9Y1B
VRV IV water-cooled system air conditioner
4P452191-1B – 2020.10
▪
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
e
target parameter position.
▪
[1‑6]: The current T
c
target parameter position.
[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
136], where most relevant malfunction codes are
explained. Detailed information about malfunction codes can be consulted in the
service manual of this unit.
20.2.8 Mode 2: Field settings
[2‑8]
T
e
target temperature during cooling operation without variable refrigerant
temperature (VRT) control.
[2‑8]
T
e
target (°C)
1
3°C
2 (default)
6°C
3
7°C
4
8°C
5
9°C
6
10°C
7
11°C
[2‑9]
T
c
target temperature during heating operation without variable refrigerant
temperature (VRT) control.