6 Configuration
Installation and operation manual
16
RXYSQ6TMYFK
VRV IV-S system air conditioner
4P524881-1 – 2018.02
Mode
Description
Mode 2
(field settings)
Mode 2 is used to change the field settings of
the system. Consulting the current field setting
value and changing the current field setting
value is possible.
In general, normal operation can be resumed
without special intervention after changing field
settings.
Some field settings are used for special
operation (e.g., 1 time operation, recovery/
vacuuming setting, manual adding refrigerant
setting, etc.). In such a case, it is required to
abort the special operation before normal
operation can restart. It will be indicated in
below explanations.
6.1.2
To access the field setting components
See
"5.1.1 To open the outdoor unit" on page 7
6.1.3
Field setting components
NOTICE
The DIP switches (DS1 and/or DS2 on A1P) are not used.
Do NOT change the factory setting.
The components to make field settings:
▪ Push buttons (BS1~BS3)
▪ 7‑segments display (
)
A1P
X1M
BS1 BS2 BS3
ON (
) OFF (
) Flashing (
)
Push buttons
Use the push buttons to make the field settings. Operate the push
buttons with an insulated stick (such as a closed ball-point pen) to
avoid touching of live parts.
Meaning of push buttons:
▪ BS1: MODE: For changing the set mode
▪ BS2: SET: For field setting
▪ BS3: RETURN: For field setting
Display
The display gives feedback about the field settings, which are
defined as [Mode-Setting]=Value.
The display is a 7‑segments display (
).
Example:
Description
Default situation
Description
Mode 1
Mode 2
Setting 8
(in mode 2)
Value 4
(in mode 2)
6.1.4
To access mode 1 or 2
After the units are turned ON, the display goes to its default
situation. From there, you can access mode 1 and mode 2.
Initialisation: default situation
NOTICE
Be sure to 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 is
established and normal, the display indication state will be as below
(default situation when shipped from factory).
1~2 min
8~10 min
b
a
a
Power ON
b
Default situation
If the default situation is not displayed after 10~12 minutes, check
the malfunction code on the indoor unit user interface or on the
outdoor unit 7‑segment display. Solve the malfunction code
accordingly. First, check the communication wiring.
Switching between modes
Use BS1 to switch between the default situation, mode 1 and
mode 2.
BS1 [5 s]
BS1
BS1
BS1
a
b
c
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.
