To Use Mode 2; Mode 1: Monitoring Settings - Daikin VRV IV+ RYYQ12U7Y1B Series Installer And User Manual

[A‑B]=C in this case defined as: A=1; B=10; C=the value we want to
know/monitor:
1 Make sure the 7‑segment display indication is as during normal
operation (default situation when shipped from factory).
2 Push BS1 one time.
Result: Mode 1 is accessed:
3 Push BS2 10 times.
Result: Mode 1 setting 10 is addressed:
4 Push BS3 one time; the value which is returned (depending on
the actual field situation), is the amount of indoor units which
are connected to the system.
Result: Mode 1 setting 10 is addressed and selected, return
value is monitored information
5 To leave the monitoring function, push BS1 one time.
Result: You will return to the default situation when shipped from
factory.
7.2.6

To use mode 2

The master unit should be used to input field settings in
mode 2.
Mode 2 is used to set field settings of the outdoor unit and system.
What
Changing and accessing Once mode 2 is selected (push BS1 for
the setting in mode 2 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 Press BS1.
initial status
Changing the value of the ▪ Once mode 2 is selected (push BS1
selected setting in mode 2 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.
Example:
Checking the content of parameter [2‑18] (to define the high static
pressure setting of the outdoor unit's fan).
[A‑B]=C in this case defined as: A=2; B=18; C=the value we want to
know/change
1 Make sure the 7‑segment display indication is as during normal
operation (default situation when shipped from factory).
2 Push BS1 for over 5 seconds.
Result: Mode 2 is accessed:
3 Push BS2 18 times.
Result: Mode 2 setting 18 is addressed:
RYYQ+RYMQ+RXYQ8~20U7Y1B
VRV IV+ heat pump
4P546228-1 – 2018.09
4 Push BS3 1 time; the value which is returned (depending on the
5 To change the value of the setting, push BS2 till the required
6 To leave the monitoring function, push BS1 2 times.
Result: You will return to the default situation when shipped from
factory.
7.2.7
[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.
How
[1‑1]
Shows the status of low noise operation.
Low noise operation reduces the sound generated by the unit
compared to nominal operating conditions.
Low noise operation can be set in mode 2. There are two methods to
activate low noise operation of the outdoor unit system.
▪ The first method is to enable an automatic low noise operation
▪ The second method is to enable low noise operation based on an
[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.
Power consumption limitation can be set in mode 2. There are two
methods to activate power consumption limitation of the outdoor unit
system.
actual field situation), is the status of the setting. In the case of
[2‑18], default value is "0", which means the function is not
active.
Result: Mode 2 setting 18 is addressed and selected, return
value is the current setting situation.
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.

Mode 1: Monitoring settings

[1‑0]
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]
0 Unit is currently not operating under low noise
restrictions.
1 Unit is currently operating under low noise
restrictions.
during night time by field setting. The unit will operate at the
selected low noise level during the selected time frames.
external input. For this operation an optional accessory is
required.
[1‑2]
0 Unit is currently not operating under power
consumption limitations.
1 Unit is currently operating under power
consumption limitation.
7 Configuration
Description
Description
Description
Installer and user reference guide
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