10 Commissioning
Installation manual
12
RXA-A9, RXM-R9, ARXM-R9
R32 Split system air conditioners
3P650253-1S – 2022.11
2
Remove the front plate.
3
Remove the drip proof cover.
4
Cut jumper J6 on the outdoor unit PCB.
J12
J11
J9
J8
J6
J5
INFORMATION
▪ The indoor unit may produce Intermittent noise due to
the outdoor unit fan turning ON and/or OFF.
▪ Do NOT place humidifiers or other items which might
raise humidity in rooms when you use the facility mode.
▪ Cutting jumper J6 sets the indoor unit fan to the highest
speed.
▪ Do NOT use this setting in residences or offices with
people.
9.2
Standby electricity saving function
9.2.1
About the standby electricity saving
function
This mode turns OFF the power supply of the outdoor unit and sets
the indoor unit into the standby saving mode to reduce the power
consumption of the unit.
This mode is only applicable for outdoor units: ARXM-R9, RXM-R9
and indoor units: FTXM, ATXM, FVXM.
INFORMATION
The standby electricity saving can ONLY be used for the
units described above.
WARNING
Before connecting or disconnecting the connector, make
sure the power supply is turned OFF.
INFORMATION
Selective connector for standby electricity saving is
required if other than applicable indoor unit is connected.
9.2.2
To turn ON standby electricity saving
function
Prerequisite:
The main power supply MUST be turned OFF.
1
Remove the service cover.
2
Disconnect the selective standby electricity saving connector.
3
Turn ON the main power supply.
10
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.
10.1
Checklist before commissioning
1
After the installation of the unit, check the items listed below.
2
Close the unit.
3
Power up the unit.
The
indoor unit
is properly mounted.
The
outdoor unit
is properly mounted.
The system is properly
earthed
and the earth terminals
are tightened.
The
power supply voltage
matches the voltage on the
identification label of the unit.
There are NO
loose connections
or damaged electrical
components in the switch box.
There are NO
damaged components
or
squeezed
pipes
on the inside of the indoor and outdoor units.
There are NO
refrigerant leaks
.
The
refrigerant pipes
(gas and liquid) are thermally
insulated.
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.
The following
field wiring
has been carried out according
to this document and the applicable legislation between
the outdoor unit and the indoor unit.
Drainage
Make sure drainage flows smoothly.
Possible consequence:
Condensate water might drip.
Summary of Contents for RXA20A5V1B9
Page 15: ......
