Daikin VRV IV-S, Инструкция по установке и эксплуатации

Страница: 41 / 72

9 Hand-over to the user
Installer and user reference guide
41
RXYSQ8~12TMY1B
VRV IV-S system air conditioner
4P404225-1B – 2016.03
Completion Description
Abnormal
completion Indication of malfunction code on the
7‑segment display.
Refer to "8.4.4 Correcting after abnormal
completion of the test run" on page 41 to take
actions for correcting the abnormality. When
the test operation is fully completed, normal
operation will be possible after 5 minutes.
8.4.4 Correcting after abnormal completion of
the test run
The test operation is only completed if there is no malfunction code
displayed. In case of a displayed malfunction code, perform
correcting actions as explained in the malfunction code table. Carry
out the test operation again and confirm that the abnormality is
properly corrected.
INFORMATION
If a malfunction occurs:
▪ In case of RXYSQ8: The error code is displayed on the
user interface of the indoor unit.
▪ In case of 12: The error code is displayed
on the outdoor unit's 7‑segments display and on the
user interface of the indoor unit.
INFORMATION
Refer to the installation manual of the indoor unit for other
detailed malfunction codes related to indoor units.
8.4.5 Operating the unit
Once the unit is installed and test operation of outdoor unit and
indoor units is finished, the operation of the system can start.
For operating the indoor unit, the user interface of the indoor unit
should be switched ON. Refer to the indoor unit operation manual for
more details.
9 Hand-over to the user
Once the test run is finished and the unit operates properly, please
make sure the following is clear for the user:
▪ Make sure that the user has the printed documentation and ask
him/her to keep it for future reference. Inform the user that he can
find the complete documentation on the url as earlier described in
this manual.
▪ Explain the user how to properly operate the system and what to
do in case of problems.
▪ Show the user what to do in relation to maintaining the unit.
10 Maintenance and service
NOTICE
Maintenance must be done by an authorised installer or
service agent.
We recommend to do maintenance at least once a year.
However, applicable legislation might require shorter
maintenance intervals.
NOTICE
In Europe, the greenhouse gas emissions of the total
refrigerant charge in the system (expressed as tonnes
CO
2
-equivalent) is used to determine the maintenance
intervals. Follow the applicable legislation.
Formula to calculate the greenhouse gas emissions:
GWP value of the refrigerant × Total refrigerant charge [in
kg] / 1000
10.1 Overview: Maintenance and
service
This chapter contains information about:
▪ Preventing electrical hazards when maintaining and servicing the
system
▪ The refrigerant recovery operation
10.2 Maintenance safety precautions
DANGER: RISK OF ELECTROCUTION
DANGER: RISK OF BURNING
NOTICE: Risk of electrostatic discharge
Before performing any maintenance or service work, touch
a metal part of the unit in order to eliminate static electricity
and to protect the PCB.
10.2.1 To prevent electrical hazards
When performing service to inverter equipment:
1 Do not open the electrical component box cover for 10 minutes
after the power supply is turned off.
2 Measure the voltage between terminals on the terminal block
for power supply with a tester and confirm that the power supply
is shut off. In addition, measure points as shown in the figure
below, with a tester and confirm that the voltage of the capacitor
in the main circuit is less than 50 V DC.
10+12 HP
A3P
A3P
TP2 TP1
8 HP
A3P
C–
C+
3 To prevent damaging the PCB, touch a non-coated metal part
to eliminate static electricity before pulling out or plugging in
connectors.
4 Pull out junction connectors for the fan motors in the outdoor
unit before starting service operation on the inverter equipment.
Be careful not to touch the live parts. (If a fan rotates due to
strong wind, it may store electricity in the capacitor or in the
main circuit and cause electric shock.)
Junction connectors X1A, X2A for M1F
X3A, X4A for M2F