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Configuration
Installer and user reference guide
124
RWEYQ8~14T9Y1B
VRV IV water-cooled system air conditioner
4P452191-1B – 2020.10
[2‑21]
Description
1
Activated.
To stop the refrigerant recovery/vacuuming mode, push
BS3. If BS3 is not pushed, the system will remain in
refrigerant recovery/vacuuming mode.
[2‑23]
Variable refrigerant temperature (VRT) control
[2‑23]
VRT control
0 (default)
Activated both cooling and heating
1
Activated heating only
2
Activated cooling only
3
Deactivated
[2‑24]
Water pump/valve control.
To activate the variable flow system, change the setting to the applicable value.
[2‑24]
Water pump control
1
Each unit has a pump/valve
2
Water pump/valve control is OFF or 1 pump/valve per
system
3
Each unit has a pump/valve (pump is OFF when slave
unit does not operate)
Minimum water flow rate limit control.
To change the minimum water flow rate limit of the variable flow system, change
the setting to the applicable value. The flow rate limit is according to the table.
[2‑25]
Minimum water flow rate limit (%)
0
10%
1
20%
2
30%
3
40%
4 (default)
50%
5
60%
6
70%
7
80%
[2‑30]
Power consumption limitation level (step 1) via the external control adaptor
(DTA104A61/62).
If the system needs to be running under power consumption limitation conditions
when an external signal is sent to the unit, this setting defines the level power
consumption limitation that will be applied for step 1. The level is according to the
table.