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7 Commissioning
Installation manual
11
(A)(F)TXP20~35M5V1B
Daikin room air conditioner
3P519299-4B – 2018.12
13
Press:
Model
Button
FTXP
FTXF
ON/OFF
a
b
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
pressed for about
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.
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
simultaneously.
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
,
, and
simultaneously.
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