Daikin FXSA15A2VEB, Installation And Operation Manual

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15 Commissioning
Installation and operation manual
18
FXSA15~140A2VEB
VRV system air conditioner
3P599602-1 – 2020.05
CAUTION
▪ Each indoor unit has to be connected to a separate
user interface. Only a safety system compatible remote
controller can be used as the user interface. See
technical data sheet for remote controller compatibility
(e.g. BRC1H52/82*).
▪ The user interface has to be put in the same room as
the indoor unit. For details, please refer to the
installation and operation manual of the user interface.
15 Commissioning
NOTICE
ALWAYS operate the unit with thermistors and/or pressure
sensors/switches. If NOT, burning of the compressor might
be the result.
15.1 Checklist before commissioning
After the installation of the unit, first check the items listed below.
Once all checks are fulfilled, the unit must be closed. Power-up the
unit after it is closed.
You read the complete installation and operation
instructions, as described in the
installer and user
reference guide .
The indoor unit is properly mounted.
The outdoor unit is properly mounted.
Make sure drain piping is properly installed, insulated
and drainage flows smoothly. Check for water leaks.
Possible consequence: Condensate water might drip.
The ducting is properly installed and insulated.
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.
15.2 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.
16 Configuration
16.1 Field setting
Make the following field settings so that they correspond with the
actual installation setup and with the needs of the user:
▪ Ceiling height
▪ Bottom suction or rear suction installation
▪ External static pressure setting using:
▪ Airflow automatic adjustment setting
▪ User interface
▪ Air volume when thermostat control is OFF
▪ Time to clean air filter
▪ Thermostat sensor selection
▪ Thermostat differential changeover (if remote sensor is used)
▪ Differential for automatic changeover
▪ Auto-restart after power failure
Setting: Ceiling height
This setting must correspond with the actual distance to the floor,
capacity class and air flow directions.
If the distance to the floor is (m) Then
(1)
M SW —
≤2.7 13 (23) 0 01
2.7<x≤3.0 02
3.0<x≤3.5 03
Setting: Bottom suction or rear suction installation
This setting must correspond with the installation type: rear suction
(default) or bottom suction.
If you have the installation
with…
Then
(1)
M SW —
Rear suction 13(23) 11 01
Bottom suction 02
(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
• —: Value number
•
: Default