9 Commissioning
Installation manual
10
FTXTJ-A(W)(B)
Daikin room air conditioner
3P695637-3C – 2023.03
8.3
To fix the unit on the mounting
plate
1
Set the indoor unit on the mounting plate hooks. Use the " "
marks as a guide.
2
Press the bottom frame of the unit with both hands to set it on
the bottom hooks of the mounting plate. Make sure that the
wires do NOT get squeezed anywhere.
Note:
Take care that the interconnection cable does NOT get
caught in the indoor unit.
3
Press the bottom edge of the indoor unit with both hands until it
is firmly caught by the mounting plate hooks.
4
Secure the indoor unit to the mounting plate using 2 indoor unit
fixing screws M4×12L (accessory).
9
Commissioning
NOTICE
General
commissioning
checklist.
Next
to
the
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.
9.1
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 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.
The
stop valves
(gas and liquid) on the outdoor unit are
fully open.
9.2
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.
9.2.1
To perform a test run using the wireless
remote control
1
Press
to enter main menu and navigate to “Wireless remote
control settings menu” by
and
. Press
to enter menu.
2
Navigate to “Software and version” screen by
and
.
3
Keep pressed
for at least 5 seconds to enter “Self-diagnosis
menu”.
Wireless remote control
setting menu
Self-diagnosis menu
4
In the "Self-diagnosis menu", navigate to "Test run menu" by
and
.
Test run menu
5
Press
to enter the menu.
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