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7
Inspection and maintenance
7
Inspection and maintenance
7.1
General overview of inspection
and maintenance
Regular inspection and maintenance of the indoor unit reduces the
energy consumption and ensures a long service life and trouble-free
operation.
WARNING
The overall heat pump system contains refrigerants with
fluorinated greenhouse gases that are harmful to the envir-
onment when released.
Refrigerant type: R32
GWP* value: 675
*GWP = Global Warming Potential
▪ Enter the total filling quantity of refrigerant on the label
supplied on the external heat pump unit (for notes, see
Installation instructions for the heat pump outdoor unit).
▪ Never allow refrigerant to escape into the atmosphere -
always extract and recycle with a suitable recycling
device.
INFORMATION
Have the inspection and maintenance carried out by au-
thorised and trained heating engineers once a year and, if
possible, before the heating period. This will avoid mal-
functions during the heating period.
We recommend an inspection and maintenance contract to
ensure regular inspection and maintenance.
Legal requirements
According to F-Gases Directive (EC) No. 842/2006 Article 3, re-
placed on 01/01/2015 by (EC) No. 517/2014 Articles 3 and 4, operat-
ors (or owners) must regularly maintain their fixed refrigeration sys-
tems, check for leaks and have any leaks rectified immediately.
All installation, maintenance and repair work on the refrigerant circuit
must be documented, e.g. in the operating manual.
The operator has the following obligations for our heat pump sys-
tems:
INFORMATION
The European legal inspection period applies to heat
pumps with a total filling quantity of the system with refri-
gerant of 3 kg or from 01/01/2017 with a total filling quant-
ity of 5 t CO
equivalent.
2
However, we recommend concluding a maintenance con-
tract including documentation of the work carried out in the
operating manual to safeguard warranty claims, even for
systems for which there is no legal obligation to check for
leaks.
▪ With a total filling quantity of refrigerant of 3 kg - 30 kg or from
6 kg in hermetic systems and from 01/01/2017 with a total filling
quantity of refrigerant of 5-50 t CO
equivalent in hermetic systems:
▪ Inspections by certified personnel at intervals of no more than
12 months and documentation of the work carried out in accord-
ance with the valid regulation. This documentation must be kept
for at least 5 years.
Installation and maintenance instructions
36
equivalent or from 10 t CO
2
2
INFORMATION
Persons who hold a certificate of qualification for work on
stationary refrigeration systems (heat pumps) and air con-
ditioning systems for the European area in accordance
with the F-Gas Certification Regulation (EU) 2015/2067 are
certified.
▪ Up to 3 kg or 5 t CO
2
Category II certificate of competence
▪ From 3 kg or 5 t CO
2
Category I certificate of competence
Maintenance work to be carried out annually
WARNING
Work carried out improperly on the indoor unit and its op-
tionally connected components can endanger human life
and health and affect the function of these components.
▪ Work on the indoor unit (such as maintenance or servi-
cing) must only be carried out by persons who are au-
thorised and who have successfully completed qualifying
technical or vocational training and who have taken part
in advanced training sessions recognised by the relevant
authorities responsible for the specific activity. These in-
clude, in particular, certified heating engineers, qualified
electricians and HVAC specialists who, because of their
professional training and expert knowledge, have experi-
ence in the professional installation and maintenance of
heating, cooling and air conditioning systems and heat
pumps.
WARNING
The gaseous refrigerant is heavier than air. In pits or in
badly ventilated rooms, it can collect in high concentra-
tions. Breathing in high concentrations of gaseous refriger-
ant leads to feelings of faintness and suffocation. Toxic
gases can be formed if gaseous refrigerants come into
contact with open fire or hot objects.
▪ When working on the refrigerant circuit, ensure that the
workplace is well vented.
▪ If necessary, before starting work, evacuate the refriger-
ant system completely.
▪ Never carry out work on the refrigerant circuit in closed
rooms or work pits.
▪ Do not let refrigerant come into contact with open fire,
embers or hot objects.
▪ Never allow refrigerant to escape into the atmosphere
(forms high concentrations).
▪ After removing the service pipes from the filling connec-
tions, carry out a leakproof test on the refrigeration sys-
tem. Refrigerant can escape through leaks.
WARNING
At normal atmospheric pressure and ambient temperat-
ures, liquid refrigerant vaporises so suddenly that on con-
tact with skin or eyes it can cause the tissue to freeze
(danger of going blind).
▪ Always wear safety goggles and protective gloves.
▪ Never allow refrigerant to escape into the atmosphere
(high pressure at the point of the leak).
▪ When removing the service pipes from the filling connec-
tions, never hold the connections in the direction of your
body. Residual refrigerant could escape.
Heat pump (indoor unit) with integrated heat accumulator
equivalent Total refrigerant charge:
equivalent Total refrigerant charge:
Daikin Altherma EHS(X/H)(B)-D
008.1444099_01 – 11/2018 – EN
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