21 | Configuration
Installer and user reference guide
142
RXYSA8~12AMY1B
VRV 5-S system air conditioner
4P752782-1A – 2024.02
21.2.2 Available comfort settings
For each of above modes a comfort level can be selected. The comfort level is
related to the timing and the effort (energy consumption) which is put in achieving
a certain room temperature by temporarily changing the refrigerant temperature
to different values in order to achieve requested conditions more quickly.
Powerful
Overshoot (during heating operation) or undershoot (during cooling operation) is
allowed compared to the requested refrigerant temperature, in order to achieve
the required room temperature very fast. The overshoot is allowed from the start
up moment.
When the request from the indoor units becomes more moderate, the system will
eventually go to the steady state condition which is defined by the operation
method above.
To activate this in… Change…
Cooling operation [2‑81]=3
This setting is used in conjunction with
setting [2‑8].
Heating operation [2‑82]=3
This setting is used in conjunction with
setting [2‑9]
Quick
Overshoot (during heating operation) or undershoot (during cooling operation) is
allowed compared to the requested refrigerant temperature, in order to achieve
the required room temperature very fast. The overshoot is allowed from the start
up moment.
When the request from the indoor units becomes more moderate, the system will
eventually go to the steady state condition which is defined by the operation
method above.
To activate this in… Change…
Cooling operation [2‑81]=2
This setting is used in conjunction with
setting [2‑8].
Heating operation [2‑82]=2
This setting is used in conjunction with
setting [2‑9].
Mild
Overshoot (during heating operation) or undershoot (during cooling operation) is
allowed compared to the requested refrigerant temperature, in order to achieve
the required room temperature very fast. The overshoot is not allowed from the
start up moment. The start up occurs under the condition which is defined by the
operation mode above.
When the request from the indoor units becomes more moderate, the system will
eventually go to the steady state condition which is defined by the operation
method above.
Note: The start up condition is different from the powerful and quick comfort
setting.
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