Commissioning; Checklist Before Commissioning; To Perform A Test Run; To Perform A Test Run In Winter Season - Daikin Comfora FTXP20M5V1B Manuel D'installation

13 Press:
Model Button
FTXP
FTXF
ON/OFF
a Operation lamp
b Indoor unit ON/OFF switch
14 Press the indoor unit ON/OFF switch while the operation lamp
is blinking.
Jumper Address
Factory setting 1
After cutting with nippers 2
INFORMATION
If the setting could NOT be completed while the operation
lamp was blinking, repeat the setting process from the
beginning.
15 When the setting is complete, press:
Model Button
FTXP
Keep
5 seconds.
FTXF
Result: The user interface will return to the previous screen.
7

Commissioning

NOTICE
NEVER operate the unit without thermistors and/or
pressure sensors/switches. Burning of the compressor
might result.
7.1

Checklist before commissioning

Do NOT operate the system before the following checks are OK:
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.
(A)(F)TXP20~35M5V1B
Daikin room air conditioner
3P519299-4B – 2018.12
a
b
pressed for about
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.
The stop valves (gas and liquid) on the outdoor unit are
fully open.
7.2

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.
7.2.1

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.
For FTXP units
1 Press , , and
2 Press .
3 Select .
4 Press .
5 Press to switch the system on.
Result: Test run operation will stop automatically after about
30 minutes.
6 To stop operation, press
For FTXF units
7 Press to switch the system on.
8 Press the centre of ,
7 Commissioning
simultaneously.
.
, and simultaneously.
Installation manual
11