To Access Mode 1 Or 2; To Use Mode 1 - Daikin VRV IV-S Installer And User Manual

7 Configuration
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.
The push buttons differ depending on the model.
Model
RXYSQ8 BS1: MODE: For changing the set mode
BS2: SET: For field setting
BS3: RETURN: For field setting
BS4: TEST: For test operation
BS5: RESET: For resetting the address when
the wiring is changed or when an additional
indoor unit is installed
RXYSQ10+12 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 differs depending on the model.
Model
RXYSQ8 7‑LEDs display
H1P: Shows the mode
H2P~H7P: Shows the settings and values,
represented in binary code
RXYSQ10+12
7‑segments display (
Example:
[
- 32 + 16 + 8 + 4 + 2 + 1]
H1P
H1P H2P H3P H4P H5P H6P H7P
(H1P OFF)
(H1P flashing)
(H1P ON)
0 + 0 + 8 + 0 + 0 + 0
(H2P~H7P = binary 8)
0 + 0 + 0 + 4 + 0 + 0
(H2P~H7P = binary 4)
7.2.4

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.
Installer and user reference guide
30
Push buttons
Display
)
Description
Default situation
Mode 1
Mode 2
Setting 8
(in mode 2)
Value 4
(in mode 2)
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).
8 HP
a Power ON
b Default situation
c LED indication when there is a malfunction
If the default situation is not displayed after 10~12 minutes, check
the malfunction code on the indoor unit user interface (and in case of
RXYSQ10+12 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.
8 HP
a
b
a
10+12 HP
b
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.
7.2.5

To use mode 1

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 RXYSQ8)
You can read out the status of low noise operation as follows:
# Action
1 Make sure the LEDs are
showing the default situation.
10+12 HP
a a
10~12 min
1~2 min
8~10 min
b b
c
c
c
Button/display
(H1P OFF)
RXYSQ8~12TMY1B
VRV IV-S system air conditioner
4P404225-1B – 2016.03