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TO IN/D
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OUTDOOR UNIT
INDOOR UNIT
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Indoor unit
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User interface
15
Commissioning
NOTICE
General
commissioning
commissioning instructions in this chapter, a general
commissioning checklist is also available on the Daikin
Business Portal (authentication required).
The general commissioning checklist is complementary to
the instructions in this chapter and can be used as a
guideline and reporting template during commissioning and
hand-over to the user.
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
1 After the installation of the unit, check the items listed below.
2 Close the unit.
3 Power up the unit.
You have read the complete installation and operation
instructions described in the installer and user reference
guide.
Installation
Check that the unit is properly installed, to avoid abnormal
noises and vibrations when starting up the unit.
Drainage
Make sure drainage flows smoothly.
Possible consequence: Condensate water might drip.
Ducting
Make sure the ducting is properly installed and insulated.
Field wiring
Be sure that the field wiring has been carried out
according to the instructions described in the chapter
installation" [ 4 15], according to the wiring
"14 Electrical
diagrams and according to the applicable legislation.
FXMQ-A
VRV system air conditioner
3P701545-1 – 2022.07
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checklist.
Next
to
Power supply voltage
Check the power supply voltage on the local supply panel.
The voltage MUST correspond to the voltage on the
nameplate of the unit.
Earth wiring
Be sure that the earth wires have been connected
properly and that the earth terminals are tightened.
Fuses, circuit breakers, or protection devices
Check that the fuses, circuit breakers, or the locally
installed protection devices are of the size and type
specified in the chapter
Be sure that neither a fuse nor a protection device has
been bypassed.
Internal wiring
Visually check the electrical component box and the
inside of the unit for loose connections or damaged
electrical components.
Pipe size and pipe insulation
Be sure that correct pipe sizes are installed and that the
insulation work is properly executed.
Damaged equipment
Check the inside of the unit for damaged components or
squeezed pipes.
Field settings
the
Make sure all field settings you want are set. See
setting" [ 4 17].
"16.1 Field
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:
▪ 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 sensor in group control
▪ Thermostat differential changeover (if remote sensor is used)
▪ Differential for automatic changeover
▪ Auto-restart after power failure
15 Commissioning
installation" [ 4 15].
"14 Electrical
Installation and operation manual
17
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