To Perform A Test Run; Configuration; Field Setting - Daikin FXSN71A2VEB Installation And Operation Manual

The refrigerant pipes (gas and liquid) are installed
correctly and thermally insulated.
There are NO refrigerant leaks.
There are NO missing phases or reversed phases.
The system is properly earthed and the earth terminals
are tightened.
The fuses or locally installed protection devices are
installed according to this document, and have NOT been
bypassed.
The power supply voltage matches the voltage on the
identification label of the unit.
There are NO loose connections or damaged electrical
components in the switch box.
There are NO damaged components or squeezed
pipes on the inside of the indoor and outdoor units.
The stop valves (gas and liquid) on the outdoor unit are
fully open.
14.2

To perform a test run

INFORMATION
▪ Perform the test run according to the instructions in the
outdoor unit manual.
▪ The test run is only completed if there is no malfunction
code displayed on the user interface or the outdoor unit
7‑segment display.
▪ See the service manual for the complete list of error
codes and a detailed troubleshooting guideline for each
error.
NOTICE
Do NOT interrupt the test run.
15

Configuration

15.1

Field setting

Make the following field settings so that they correspond with the
actual installation setup and with the needs of the user:
▪ Bottom suction or rear suction installation setting
▪ External static pressure setting using:
▪ Automatic airflow adjustment setting
▪ User interface
▪ Time to clean air filter
▪ Function for refrigerant leak detection
To set bottom suction or rear suction installation
If you have an installation
with...
Rear suction
Bottom suction
(1)
Field settings are defined as follows:
• M: Mode number – First number: for group of units – Number between brackets: for individual unit
• SW: Setting number / C1: First code number
• —: Value number / C2: Second code number
• : Default
FXSN50~112A2VEB
CO₂ Conveni-Pack: indoor unit
4P602815-1F – 2021.07
(1)
Then
M SW/C1 —/C2
13(23) 11 01
02
To set automatic airflow adjustment
The automatic airflow adjustment function measures the air volume
and static pressure and adjusts it towards the nominal air flow,
whatever the length of duct.
▪ When the air conditioning unit is running in fan operation mode:
1 Stop the air conditioning unit.
2 Set —/C2 to 03.
Setting content:
Airflow adjustment is OFF
Press ON/OFF to return to normal operating
mode.
Possible consequence: The user interface
operation lamp will light up and the unit will
start the fan operation for automatic airflow
adjustment.
Operation stops after 1 to 8 minutes.
Possible consequence: Setting is finished
and the user interface operation lamp will be
off.
If there is no change after airflow adjustment, perform the setting
again.
INFORMATION
▪ The fan speed of the indoor unit is preset to ensure the
standard external static pressure.
▪ To set a higher or lower external static pressure, reset
the initial setting with the user interface.
User interface
Check the indoor unit setting:—/C2 of mode 11(21) must be set to
01.
Change—/C2 according to the external static pressure of the duct to
be connected as in the table below.
External static pressure
M SW/C1 —/C2
50
13(23) 6 01 30
02 —
03 30
04 40
05 50
06 60
07 70
08 80
09 90
10 100
11 110
12 120
13 130
14 140
15 150
15 Configuration
(1)
Then
M SW/ —/
C1 C2
11(21) 7 01
03
02
(1)
Class
71 112
40 50
— —
— —
40 —
50 50
60 60
70 70
80 80
90 90
100 100
110 110
120 120
130 130
140 140
150 150
Installation and operation manual
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