20
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Configuration
Installer and user reference guide
121
RWEYQ8~14T9Y1B
VRV IV water-cooled system air conditioner
4P452191-1B – 2020.10
2
Push BS1 for over 5 seconds.
Result:
Mode 2 is accessed:
3
Push BS2 12 times.
Result:
Mode 2 setting 12 is addressed:
4
Push BS3 1 time; the value which is returned (depending on the actual field
situation), is the status of the setting. In the case of [2‑12], default value is "0",
which means the function is not active.
Result:
Mode 2 setting 12 is addressed and selected, return value is the
current setting situation.
5
To change the value of the setting, push BS2 till the required value appears on
the 7‑segment display indication. When achieved, define the setting value by
pushing BS3 1 time. To start operation according to the chosen setting,
confirm again by pushing BS3.
6
To leave the monitoring function, push BS1 2 times.
Result:
You will return to the default situation when shipped from factory.
20.2.7 Mode 1: Monitoring settings
[1‑0]
Shows whether the unit you check is a master, slave 1 or slave 2 unit.
Master, slave 1 and slave 2 indications are relevant in multiple outdoor unit system
configurations. The allocation of which outdoor unit is master, slave 1 or slave 2
are decided by the unit's logic.
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.
[1‑2]
Shows the status of power consumption limitation operation.
Power consumption limitation reduces the power consumption of the unit
compared to nominal operating conditions.
[1‑2]
Description
0
Unit is currently not operating under power
consumption limitations.
1
Unit is currently operating under power consumption
limitation.
Power consumption limitation can be set in mode 2. There are two methods to
activate power consumption limitation of the outdoor unit system.
▪
The first method is to enable a forced power consumption limitation by field
setting. The unit will always operate at the selected power consumption
limitation.
