8
INSTALLER
USERMAINTENANCE TECHNICIAN
TECHNICAL DATA
e appliance operates with R32 refrig-
erant gas.
is gas is ODOURLESS.
Pay the utmost attention
Strictly follow the instruction handbook
of the UE Audax Pro outdoor unit before
installation and any type of operation on
the chiller line.
R32 refrigerant gas belongs to the low
ammability refrigerant category: class
A2L according to standard ISO 817. It
guarantees high performance with low
environmental impact. e new gas re-
duces the potential environmental im-
pact by one third compared to R410A,
having less eect on global warning
(GWP 675).
Check the environmental operating conditions of all
parts relevant to installation, referring to this booklet.
Before installing the appliance, ensure that it is delivered
in perfect condition; if in doubt, contact the supplier
immediately.
Packing materials (staples, nails, plastic bags, polysty-
rene foam, etc.) constitute a hazard and must be kept out
of the reach of children.
If the appliance is installed inside or between cabinets,
ensure sucient space for routine servicing; for mini-
mum installation distances, see Fig. 3.
If installing a kit or servicing the appliance, always emp-
ty the system’s circuit rst so as not to compromise the
appliance’s electrical safety (Parag. 2.9).
Always disconnect the appliance from voltage and, de-
pending on the type of operation, decrease the pressure
and/or bring it to zero in the gas and DHW circuits.
Keep all ammable objects away from the appliance (pa-
per, rags, plastic, polystyrene, etc.).
Do not put household appliances under the indoor unit
as they could be damaged if the safety valve trips or if the
hydraulic ttings leak. Otherwise, the manufacturer
cannot be held liable for any damage to the household
appliances.
For the aforementioned reasons, we recommend not
placing furnishings, furniture, etc. under the indoor
unit.
Any modication to the appliance that is not explicitly
indicated in this section of the booklet is forbidden.
In the event of malfunctions, faults or incorrect opera-
tion, turn the appliance o and contact an authorised
company (e.g. the Authorised Technical Assistance
Centre, which has specically trained sta and original
spare parts).
Do not attempt to modify or repair the appliance alone.
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