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INFORMATION
If the setting could NOT be completed while the operation
lamp was blinking, repeat the setting process from the
beginning.
9 When the setting is complete, press:
Model
Button
FTXF, CTXF, ATXF
Result: The user interface will return to the previous screen.
10
Commissioning
NOTICE
ALWAYS operate the unit with thermistors and/or pressure
sensors/switches. If NOT, burning of the compressor might
be the result.
10.1
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 instructions, as
described in the installer reference guide.
The indoor units are properly mounted.
The outdoor unit is properly mounted.
Air inlet/outlet
Check that the air inlet and outlet of the unit is NOT
obstructed by paper sheets, cardboard, or any other
material.
There are NO missing phases or reversed phases.
The refrigerant pipes (gas and liquid) are thermally
insulated.
Drainage
Make sure drainage flows smoothly.
Possible consequence: Condensate water might drip.
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.
The specified wires are used for the interconnection
cable.
The indoor unit receives the signals of the user interface.
There are NO loose connections or damaged electrical
components in the switch box.
The insulation resistance of the compressor is OK.
There are NO damaged components or squeezed
pipes on the inside of the indoor and outdoor units.
There are NO refrigerant leaks.
The correct pipe size is installed and the pipes are
properly insulated.
CTXF20~35C5V1B
Daikin room air conditioners
3P519299-13V – 2020.08
The stop valves (gas and liquid) on the outdoor unit are
fully open.
10.2
To perform a test run
Prerequisite: Power supply MUST be in the specified range.
Prerequisite: Test run may be performed in cooling or heating
mode.
Prerequisite: Test run should be performed in accordance with the
operation manual of the indoor unit to make sure that all functions
and parts are working properly.
1 In cooling mode, select the lowest programmable temperature.
In heating mode, select the highest programmable temperature.
Test run can be disabled if necessary.
2 When the test run is finished, set the temperature to a normal
level. In cooling mode: 26~28°C, in heating mode: 20~24°C.
3 The system stops operating 3 minutes after the unit is turned
OFF.
10.2.1
To perform a test run in winter season
When operating the air conditioner in Cooling mode in winter, set it
to test run operation using the following method.
INFORMATION
Some of the functions CANNOT be used in the test run
operation mode.
If a power failure occurs during operation, the system automatically
restarts immediately after power is restored.
For FTXF, ATXF, CTXF units
1 Press
to switch the system on.
2 Press the centre of
,
3 Press
twice.
Result:
will appear on the display. Test run operation is
selected. Test run operation will stop automatically after about
30 minutes.
4 To stop operation, press
11
Disposal
NOTICE
Do NOT try to dismantle the system yourself: dismantling
of the system, treatment of the refrigerant, oil and other
parts MUST comply with applicable legislation. Units
MUST be treated at a specialised treatment facility for
reuse, recycling and recovery.
10 Commissioning
, and
simultaneously.
.
Installation manual
13
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