6 Configuration
Installation and operation manual
23
RXYSQ8~12TMY1B
VRV IV-S system air conditioner
4P400263-1F – 2017.02
Setting Value / Description
[1‑17]
Shows the latest
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 "8.1Solving problems based on error
codes"on page27, where most relevant
malfunction codes are explained. Detailed
information about malfunction codes can be
consulted in the service manual of this unit.
[1‑18]
Shows the 2nd
last malfunction
code.
[1‑19]
Shows the 3rd
last malfunction
code.
Setting Value / Description
[1‑40]
Shows the current
cooling comfort
setting.
For more information, see setting [2‑81].
[1‑41]
Shows the current
heating comfort
setting.
For more information, see setting [2‑82].
6.1.8 Mode 2: Field settings
In mode 2 you can make field settings to configure the system. The settings differ slightly depending on the model.
• : When using the 7‑segments display (RXYSQ10+12)
• : When using the 7‑LEDs display (RXYSQ8) (the LEDs give a binary representation of the setting/value number)
Setting
(= binary)
Value
Description
[2‑8]
T
e
target temperature during cooling operation.
0 (default)
(= binary 3) (default)
Auto
2 6°C
4 8°C
5 9°C
6 10°C
7 11°C
[2‑9]
T
c
target temperature during heating operation.
0 (default)
(= binary 1) (default)
Auto
3
(= binary 4)
43°C
6
(= binary 2)
46°C
[2‑12]
Enable the low noise function and/or power
consumption limitation via external control adaptor
(DTA104A61/62).
If the system needs to be running under low noise
operation or under power consumption limitation
conditions when an external signal is sent to the unit,
this setting should be changed. This setting will only be
effective when the optional external control adaptor
(DTA104A61/62) is installed in the indoor unit.
0 (default)
(= binary 1) (default)
Deactivated.
1
(= binary 2)
Activated.
[2‑18]
Fan high static pressure setting.
In order to increase the static pressure the outdoor unit
fan is delivering, this setting should be activated. For
details about this setting, see technical specifications.
0 (default)
(= binary 1) (default)
Deactivated.
1
(= binary 2)
Activated.
[2‑20]
Manual additional refrigerant charge.
In order to add the additional refrigerant charge
amount in a manual way (without automatic refrigerant
charging functionality), following setting should be
applied.
0 (default)
(= binary 1) (default)
Deactivated.
1
(= binary 2)
Activated.
To stop the manual additional refrigerant
charge operation (when the required additional
refrigerant amount is charged), push BS3. If
this function was not aborted by pushing BS3,
the unit will stop its operation after 30minutes.
If 30minutes was not sufficient to add the
needed refrigerant amount, the function can be
reactivated by changing the field setting again.
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