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11 Hand-over to the user
Make sure that the leaving water temperature home page, room
temperature home page, and domestic hot water home page are
turned OFF.
There may be no error on the gas boiler or the heat pump module.
During a gas boiler test run, "busy" will be displayed on the user
interface.
Program
Button combination
Burner ON at
minimum power
Burner ON, maximum
and
space heating power
setting
Burner ON, maximum
and
domestic hot water
setting
Stop test program
NOTICE
If an 81‑04 error occurs, then do NOT perform a test run
on the gas boiler.
11
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:
▪ Fill in the installer setting table (in the operation manual) with the
actual settings.
▪ 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.
▪ Explain the user about energy saving tips as described in the
operation manual.
12
Maintenance and service
Especially for UK:
After servicing, complete the relevant Service Interval Record
section of the Benchmark Checklist located on the backpages of this
document.
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.
12.1
Overview: Maintenance and
service
This chapter contains information about:
▪ The yearly maintenance of the outdoor unit
▪ The yearly maintenance of the indoor unit
▪ Cleaning the gas boiler
Installer reference guide
90
Display
and
(1×)
(2×)
and
Actual situation
12.2
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.
12.2.1
Opening the indoor unit
See
"7.2.3 To open the switch box cover of the indoor unit" on
page 24.
12.3
Checklist for yearly maintenance
of the outdoor unit
Check the following at least once a year:
▪ Water pressure
▪ Water filter
▪ Water pressure relief valve
▪ Pressure relief valve of the domestic hot water tank
▪ Switch box
Water pressure
Keep water pressure above 1 bar. If it is lower, add water.
Water filter
Clean the water filter.
NOTICE
Handle the water filter with care. Do NOT use excessive
force when you reinsert the water filter so as NOT to
damage the water filter mesh.
1
3
2
4
5
Water pressure relief valve
Open the valve and check if it operates correctly. The water may be
very hot!
Checkpoints are:
▪ The water flow coming from the relief valve is high enough, no
blockage of the valve or in between piping is suspected.
▪ Dirty water coming out of the relief valve:
▪ open the valve until the discharged water does NOT contain dirt
anymore
▪ flush the system and install an additional water filter (a
magnetic cyclone filter is preferable).
To make sure this water originates from the tank, check after a tank
heat up cycle.
EVLQ05+08CAV3 + EHYHBH05AA + EHYHBH/X08AA +
EHYKOMB33AA
Daikin Altherma hybrid heat pump
4P355634-1C – 2018.06
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