Daikin REMQ5T7Y1B, Installation And Operation Manual

Page: 24 / 44

6 Configuration
Installation and operation manual
24
REYQ8~20+REMQ5T7Y1B
VRV IV system air conditioner
4P353996-1E – 2018.04
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.
6.1.4 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 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
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 Action
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:
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
"6.1.4 To access mode 1 or 2" on
page 24 .
6.1.5 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 Once mode 1 is selected (push BS1
one time), you can select the wanted
setting. It is done by pushing BS2.
Accessing the selected setting's value is
done by pushing BS3 one time.
To quit and return to the
initial status Press BS1.
6.1.6 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 Once mode 2 is selected (push BS1 for
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
initial status Press BS1.
Changing the value of the
selected setting in mode 2 ▪ Once mode 2 is selected (push BS1
for 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.
▪ Now BS2 is used to select the
required value of the selected setting.
▪ When the required value is selected,
you can define the change of value
by pushing BS3 1 time.
▪ Press BS3 again to start operation
according to the chosen value.
6.1.7 Mode 1: Monitoring settings
[1‑0]
Shows whether the unit you check is a master, slave 1 or slave 2
unit.
The master unit should be used to input field settings in
mode 2.
[1‑0] Description
No indication Undefined situation.
0 Outdoor unit is master unit.
1 Outdoor unit is slave 1 unit.
2 Outdoor unit is slave 2 unit.
[1‑1]
Shows the status of low noise operation.
[1‑1] Description
0 Unit is currently not operating under low noise
restrictions.
1 Unit is currently operating under low noise
restrictions.