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7 Disposal
#
Action
3
Select Test Operation.
4
Press.
5
Press within 10 seconds.
3 Check operation for 3 minutes.
4 Stop the test run.
#
Action
1
Press at least 4 seconds.
2
Select Test Operation.
3
Press.
NOTICE
When the indoor unit fan rotates and the operation light
flashes after trial operation, there is a risk of refrigerant
leakage. In that case, immediately ventilate the room and
(1)
contact your dealer.
6.3
Error codes when performing a
test run
If the installation of the outdoor unit has NOT been done correctly,
the following error codes may be displayed on the user interface:
Error code
Nothing displayed
▪ The wiring is disconnected or there is a
wiring error (between power supply and
(the currently set
outdoor unit, between outdoor unit and
temperature is not
indoor units, between indoor unit and
displayed)
user interface).
▪ The fuse on the outdoor or indoor unit
PCB has blown.
A0
▪ Refrigerant leak detected.
CH
▪ Abnormality
sensor.
E3, E4 or L8
▪ The stop valves are closed.
▪ The air inlet or air outlet is blocked.
(1)
Only for units using R32 refrigerant. Refer to the outdoor unit specifications for the type of refrigerant to be used.
Installation manual
12
Result
Service Settings
1/3
Test Operation
Maintenance Contact
Field Settings
Demand
Min Setpoints Differential
Group Address
Return
Setting
Test Operation is
displayed on the home
menu.
Cool
Test Operation
Return
Setting
Test run starts.
Result
The Service Settings menu
is displayed.
Service Settings
1/3
Test Operation
Maintenance Contact
Field Settings
Demand
Min Setpoints Differential
Group Address
Return
Setting
The unit returns to normal
operation, and the home
menu is displayed.
Possible cause
(1)
of
refrigerant
leakage
(1)
Error code
E7
There is a missing phase in case of three-
phase power supply units.
Note: Operation will be impossible. Turn
OFF the power, recheck the wiring, and
switch two of the three electrical wires.
L4
The air inlet or air outlet is blocked.
U0
The stop valves are closed.
U2
▪ There is a voltage imbalance.
▪ There is a missing phase in case of
three-phase power supply units. Note:
Operation will be impossible. Turn OFF
the power, recheck the wiring, and switch
two of the three electrical wires.
U4 or UF
The inter-unit branch wiring is not correct.
UA
The outdoor and indoor unit are
incompatible.
7
Disposal
NOTICE
Do NOT try to dismantle the system yourself: dismantling
of the system, treatment of the refrigerant, oil and other
parts MUST comply with applicable legislation. Units
MUST be treated at a specialised treatment facility for
reuse, recycling and recovery.
8
Technical data
▪ A subset of the latest technical data is available on the regional
Daikin website (publicly accessible).
▪ The full set of latest technical data is available on the Daikin
Business Portal (authentication required).
8.1
Wiring diagram
8.1.1
Unified wiring diagram legend
For applied parts and numbering, refer to the wiring diagram on the
unit. Part numbering is by Arabic numbers in ascending order for
each part and is represented in the overview below by "*" in the part
code.
Symbol Meaning
Symbol Meaning
Circuit breaker
Connection
A
,
Connector
Earth
Field wiring
Fuse
Indoor unit
INDOOR
Outdoor unit
OUTDOOR
Possible cause
Protective earth
Protective earth (screw)
Rectifier
Relay connector
Short-circuit connector
Terminal
Terminal strip
Wire clamp
FNA25~60A2VEB(9)
Split system air conditioners
4P456958-1J – 2020.12
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