8 Hand-over to the user
Installer reference guide
19
07C2V3
Daikin Altherma monobloc compact outdoor unit
4P598847-1 – 2019.10
NOTICE
ALWAYS operate the unit with thermistors and/or pressure
sensors/switches. If NOT, burning of the compressor might
be the result.
7.3
Checklist before commissioning
After the installation of the unit, first check the items listed below.
Once all checks are fulfilled, the unit must be closed. Power-up the
unit after it is closed.
Depending on the system layout, not all components may be
available.
You read the complete installation instructions, as
described in the
installer reference guide
.
The
outdoor unit
is properly mounted.
The domestic hot water tank is properly mounted.
The following
field wiring
has been carried out according
to the available documentation and the applicable
legislation:
▪ Between the local supply panel and the outdoor unit
▪ Between the local supply panel and the domestic hot
water tank
▪ Between the local supply panel and the optional
backup heater inside the domestic hot water tank (if
applicable)
▪ Between the outdoor unit and the domestic hot water
tank
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.
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 outdoor unit.
The correct pipe size is installed and the
pipes
are
properly insulated.
There are no
water leaks
inside the outdoor unit.
The
shut-off valves
are properly installed and fully open.
The
pressure relief valve
purges water when opened.
Clean water must come out.
The
minimum water volume
is guaranteed in all
conditions. See "To check the water volume" in
INFORMATION
For further commissioning instructions, see the installation
manual of the domestic hot water tank.
8
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 at the URL mentioned earlier 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 for the maintenance of the unit.
9
Maintenance and service
NOTICE
General maintenance/inspection checklist.
Next to the
maintenance instructions in this chapter, a general
maintenance/inspection checklist is also available on the
Daikin Business Portal (authentication required).
The
general
maintenance/inspection
checklist
is
complementary to the instructions in this chapter and can
be used as a guideline and reporting template during
maintenance.
NOTICE
Maintenance MUST be done by an authorized installer or
service agent.
We recommend performing maintenance at least once a
year. However, applicable legislation might require shorter
maintenance intervals.
NOTICE
Applicable legislation on
fluorinated greenhouse gases
requires that the refrigerant charge of the unit is indicated
both in weight and CO
2
equivalent.
Formula to calculate the quantity in CO
2
equivalent
tonnes:
GWP value of the refrigerant × total refrigerant
charge [in kg] / 1000
9.1
Overview: Maintenance and
service
This chapter contains information about:
▪ Maintenance safety precautions
▪ The yearly maintenance of the outdoor unit
9.2
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.
9.2.1
Opening the outdoor unit
See
"6.2.2 To open the outdoor unit"
12] and
switch box cover of the outdoor unit"
9.3
Checklist for yearly maintenance
of the outdoor unit
Check the following at least once a year: