To Access Mode 1 Or 2; To Use Mode 1; To Use Mode 2 - Daikin RXYTQ8T7YF Installer And User Manual

7 Configuration
b Main PCB with 3 7‑segment displays and 3 push buttons
c Electrical component box service cover
Operate the switches and push buttons with an insulated stick (such
as a closed ball-point pen) to avoid touching of live parts.
Make sure to re-attach the inspection cover into the electronic
component box cover and to close the front plate's inspection cover
after the job is finished. During operation of the unit the front plate of
the unit should be attached. Settings are still possible to be made
through the inspection opening.
NOTICE
Make sure that all outside panels, except for the service
cover on the electrical component box, are closed while
working.
Close the lid of the electrical component box firmly before
turning on the power.
7.2.4

To access mode 1 or 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(s) is
established and normal, the 7‑segment display indication state will
be as below (default situation when shipped from factory).
Stage
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
When above situation cannot be confirmed after 12 min, the
malfunction code can be checked 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 change the mode you want to access.
Access
Mode 1 Push BS1 one time.
7‑segment display indication changes to:
Mode 2 Push BS1 for at least 5 seconds.
7‑segment display indication changes to:
Installer and user reference guide
32
Display
Action
INFORMATION
If you get confused in the middle of the process, push BS1.
Then it returns to idle situation (no indication on 7‑segment
displays: blank, refer to
page 32.
7.2.5

To use mode 1

Mode 1 is used to set basic settings and to monitor the status of the
unit.
What
Changing and accessing Once mode 1 is selected (push BS1 1
the setting in mode 1 time), 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
Example:
Checking the content of parameter [1‑10] (to know how many indoor
units are connected to the system).
[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 1 time.
Result: Mode 1 is accessed:
3 Push BS2 10 times.
Result: Mode 1 setting 10 is addressed:
4 Push BS3 1 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 1 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
"7.2.4 To access mode 1 or 2" on
How
How
RXYTQ8~16T7YF
VRV IV system air conditioner
4P388989-1B – 2016.02