18 Configuration
Installation and operation manual
36
RXYSA4~6A7V/Y1B
VRV 5-S system air conditioner
4P600329-1E – 2023.02
7-segment displays
The display gives feedback about the field settings, which are
defined as [Mode-Setting]=Value.
Example
Description
Default situation
Mode 1
Mode 2
Setting 8
(in mode 2)
Value 4
(in mode 2)
18.1.4
To access mode 1 or 2
Initialisation: default situation
NOTICE
Turn ON the power 6 hours before operation in order to
have power running to the crankcase heater and to protect
the compressor.
Turn on the power supply of the outdoor unit and all indoor units.
When the communication between indoor units and outdoor unit(s) is
established and normal, the 7‑segment display indication state will
be as below (default situation when shipped from factory).
Stage
Display
When turning on the power supply: flashing as
indicated. First checks on power supply are
executed (1~2 min).
When no trouble occurs: lighted as indicated
(8~10 min).
Ready for operation: blank display indication as
indicated.
7‑segment display indications:
Off
Blinking
On
In case of malfunction, the malfunction code is displayed on the
indoor unit user interface and the outdoor unit 7‑segment display.
Solve the malfunction code accordingly. The communication wiring
should be checked at first.
Access
BS1 is used to switch between the default situation, mode 1 and
mode 2.
Access
Action
Default situation
Access
Action
Mode 1
Push BS1 one time.
7‑segment display indication changes to:
.
Push BS1 one more time to return to the
default situation.
Mode 2
Push BS1 for at least 5 seconds.
7‑segment display indication changes to:
Push BS1 one more time (shortly) to return to
the default situation.
INFORMATION
If you get confused in the middle of the process, push BS1
to return to the default situation (no indication on
7‑segment displays: blank, see
36].
18.1.5
To use mode 1
Mode 1 is used to set basic settings and to monitor the status of the
unit.
What
How
Changing and accessing
the setting in mode 1
1
Push BS1 one time to select
mode 1.
2
Push BS2 to select the required
setting.
3
Push BS3 one time to access the
selected setting's value.
To quit and return to the
initial status
Push BS1.
18.1.6
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
How
Changing and accessing
the setting in mode 2
▪ Push BS1 for more than five seconds
to select mode 2.
▪ Push BS2 to select the required
setting.
▪ Push BS3 one time to access the
selected setting's value.
To quit and return to the
initial status
Push BS1.
Changing the value of the
selected setting in mode 2
▪ Push BS1 for more than five seconds
to select mode 2.
▪ Push BS2 to select the required
setting.
▪ Push BS3 one time to access the
selected setting's value.
▪ Push BS2 to select the required value
of the selected setting.
▪ Push BS3 one time to validate the
change.
▪ Push BS3 again to start operation
with the chosen value.
