6 Disposal
Installation manual
13
RZQG71~Y1 + RZQSG100~Y1
Split system air conditioners
4P385521-1C – 2019.04
3
Check operation for 3 minutes.
4
Check operation of the airflow direction.
#
Action
Result
1
Press.
Return
Setting
Return
Setting
Air Volume/direction
Air Volume
Direction
Position 0
Low
2
Select Position 0.
Return
Setting
Return
Setting
Air Volume/direction
Air Volume
Direction
Low
Position 0
3
Change the position.
If the airflow flap of the
indoor unit moves,
operation is OK.
If not, operation is not OK.
4
Press.
The home menu is
displayed.
5
Stop the test run.
#
Action
Result
1
Press at least 4 seconds.
The Service Settings menu
is displayed.
2
Select Test Operation.
Return
Setting
Service Settings 1/3
Test Operation
Maintenance Contact
Field Settings
Demand
Min Setpoints Differential
Group Address
3
Press.
The unit returns to normal
operation, and the home
menu is displayed.
5.3
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
Possible cause
Nothing displayed
(the currently set
temperature is not
displayed)
▪ The wiring is disconnected or there is a
wiring error (between power supply and
outdoor unit, between outdoor unit and
indoor units, between indoor unit and
user interface).
▪ The fuse on the outdoor unit PCB has
blown out.
E3, E4 or L8
▪ The stop valves are closed.
▪ The air inlet or air outlet is blocked.
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.
Error code
Possible cause
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.
NOTICE
▪ The reversed phase protection detector of this product
only
functions
when
the
product
starts
up.
Consequently reversed phase detection is not
performed during normal operation of the product.
▪ The reversed phase protection detector is designed to
stop the product in the event of an abnormality when
the product is started up.
▪ Replace 2 of the 3 phases (L1, L2, and L3) during
reverse-phase protection abnormality.
5.4
Dedicated field settings for
technical cooling
In case the system is used for technical cooling, please apply the
following remote controller settings:
Note:
Technical cooling is only offered for the Smart Series
(RZQG).
Field setting
Description
16(26)–02–03
See the remote controller user manual
for the field setting method.
16(26)–07–02
(only for RZQG_V1)
13(23)–00–03
6
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.
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