16 Configuration
Installation and operation manual
36
RYYQ+RYMQ+RXYQ8~20U7Y1B
VRV IV+ heat pump
4P546220-1C – 2020.10
What
How
Changing and accessing
the setting in mode 2
Once mode 2 is selected (push BS1 for
more than 5 seconds), you can select
the wanted setting. It is done by pushing
BS2.
Accessing the selected setting's value is
done by pushing BS3 1 time.
To quit and return to the
initial status
Press BS1.
Changing the value of the
selected setting in mode 2
▪ Once mode 2 is selected (push BS1
for more than 5 seconds) you can
select the wanted setting. It is done
by pushing BS2.
▪ Accessing the selected setting's value
is done by pushing BS3 1 time.
▪ Now BS2 is used to select the
required value of the selected setting.
▪ When the required value is selected,
you can define the change of value
by pushing BS3 1 time.
▪ Press BS3 again to start operation
according to the chosen value.
16.1.7
Mode 1: Monitoring settings
[1‑0]
Shows whether the unit you check is a master, slave 1 or slave 2
unit.
The master unit should be used to input field settings in
mode 2.
[1‑0]
Description
No indication
Undefined situation.
0
Outdoor unit is master unit.
1
Outdoor unit is slave 1 unit.
2
Outdoor unit is slave 2 unit.
[1‑1]
Shows the status of low noise operation.
[1‑1]
Description
0
Unit is currently not operating under low noise
restrictions.
1
Unit is currently operating under low noise
restrictions.
[1‑2]
Shows the status of power consumption limitation operation.
[1‑2]
Description
0
Unit is currently not operating under power
consumption limitations.
1
Unit is currently operating under power
consumption limitation.
[1‑5] [1‑6]
Shows:
▪ [1‑5]: The current T
e
target parameter position.
▪ [1‑6]: The current T
c
target parameter position.
[1‑10]
Shows the total number of connected indoor units.
[1‑13]
Shows the total number of connected outdoor units (in case of
multiple outdoor system).
[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.
[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.
[1‑34]
Shows the remaining days until the next automatic leak detection (if
automatic leak detection function is activated).
[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.
[1‑35] [1‑36] [1‑37]
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
[1‑35]=1
[1‑29]
[1‑36]=1
[1‑30]
[1‑37]=1
[1‑31]
[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.
16.1.8
Mode 2: Field settings
[2‑0]
Cool/Heat selection setting.
[2‑0]
Description
0 (default)
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
combination
(a)
.
