6 Commissioning
Installation manual
9
FTXTA30A2V1BW
Split system air conditioner
3P482320-9M – 2019.04
b
Interconnection cable
c
Mounting plate (accessory)
d
Refrigerant pipes
e
Indoor unit fixing screw M4×12L (accessory)
f
Bottom frame
5.5.2
To pass the pipes through the wall hole
1
Shape the refrigerant pipes along the pipe path marking on the
mounting plate.
c
c
d
e
a
b
a
Drain hose
b
Caulk this hole with putty or caulking material.
c
Adhesive vinyl tape
d
Insulation tape
e
Mounting plate (accessory)
NOTICE
▪ Do NOT bend refrigerant pipes.
▪ Do NOT push the refrigerant pipes onto the bottom
frame or the front grille.
2
Pass the drain hose and refrigerant pipes through the wall hole.
5.5.3
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).
6
Commissioning
NOTICE
NEVER operate the unit without thermistors and/or
pressure sensors/switches. Burning of the compressor
might result.
6.1
Checklist before commissioning
After the installation of the unit, first check the following items. Once
all below checks are fulfilled, the unit MUST be closed, ONLY then
can the unit be powered up.
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.
6.2
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.
