16 Configuration
Installation and operation manual
31
RK RKXYQ8T7Y1B
VRV IV compressor unit for indoor installation
4P499900-1A – 2020.10
Switching between modes
Use BS1 to switch between the default situation, mode 1 and
mode 2.
BS1 [5 s]
BS1
BS1
BS1
a
c
b
BS1 [5 s]
BS1
BS1
BS1
a
b
c
5 HP
8 HP
a
Default situation (H1P OFF)
b
Mode 1 (H1P flashing)
c
Mode 2 (H1P ON)
BS1
Press BS1.
BS1 [5 s]
Press BS1 for at least 5 s.
INFORMATION
If you get confused in the middle of the process, press BS1
to return to the default situation.
16.1.5
To use mode 1 (and default situation)
In mode 1 (and in default situation) you can read out some
information. How to do this differs depending on the model.
Example: 7‑LEDs display – Default situation
(in case of 5 HP)
You can read out the status of low noise operation as follows:
#
Action
Button/display
1
Make sure the LEDs are
showing the default situation.
(H1P OFF)
2
Check the status of LED
H6P.
H6P OFF: Unit is currently
not operating under low noise
restrictions.
H6P ON: Unit is currently
operating under low noise
restrictions.
Example: 7‑LEDs display – Mode 1
(in case of 5 HP)
You can read out setting [1‑5] (= the total number of connected units
(heat exchanger unit + indoor units)) as follows:
#
Action
Button/display
1
Start from the default
situation.
2
Select mode 1.
BS1 [1×]
3
Select setting 5.
("X×" depends on the setting
that you want to select.)
BS2 [X×]
(= binary 5)
4
Display the value of setting 5.
(there are 8 units connected)
BS3 [1×]
(= binary 8)
#
Action
Button/display
5
Quit mode 1.
BS1 [1×]
Example: 7‑segments display – Mode 1
(in case of 8 HP)
You can read out setting [1‑10] (= the total number of connected
units (heat exchanger unit + indoor units)) as follows:
#
Action
Button/display
1
Start from the default
situation.
2
Select mode 1.
BS1 [1×]
3
Select setting 10.
("X×" depends on the setting
that you want to select.)
BS2 [X×]
4
Display the value of setting
10.
(there are 8 units connected)
BS3 [1×]
5
Quit mode 1.
BS1 [1×]
16.1.6
To use mode 2
In mode 2 you can make field settings to configure the system. How
to do this differs slightly depending on the model.
Example: 7‑LEDs display – Mode 2
(in case of 5 HP)
You can change the value of setting [2‑8] (= T
e
target temperature
during cooling operation) to 4 (= 8°C) as follows:
#
Action
Button/display
1
Start from the default
situation.
2
Select mode 2.
BS1 [5 s]
3
Select setting 8.
("X×" depends on the setting
that you want to select.)
BS2 [X×]
(= binary 8)
4
Select value 4 (= 8°C).
a
: Display the current value.
b
: Change to 4. ("X×"
depends on the current
value, and the value that you
want to select.)
c
: Enter the value in the
system.
d
: Confirm. The system starts
operating according to the
setting.
BS2 [X×]
b
a
BS3 [1×]
c
BS3 [1×]
d
BS3 [1×]
5
Quit mode 2.
BS1 [1×]
Example: 7‑segments display – Mode 2
(in case of 8 HP)
You can change the value of setting [2‑8] (= T
e
target temperature
during cooling operation) to 4 (= 8°C) as follows:
