Technical Information For Installers; Warnings; Installer Qualification; Implementing The Instructions - Ariston NUOS Manual

Heat pump water heater - TECHNICAL INFORMATION FOR INSTALLERS

3. WARNINGS

3.1 Installer qualification

WARNING! The installation and initial start-up of the appliance must be performed by qualified personnel in
compliance with the national regulations in force regarding installation, and in conformity with any
regulations issued by local authorities and public health bodies.
The water heater is supplied with a sufficient amount of R134a refrigerant for its operation. This refrigerant fluid does
not damage the atmosphere's ozone layer, is not flammable and does not cause explosions; however any
maintenance activities or work on the refrigerant circuit must exclusively be carried out by authorised personnel with
the suitable equipment.

3.2 Implementing the instructions

WARNING! Incorrect installation can harm persons or animals and damage possessions; the manufacturer
shall not be held liable for any damage in such cases.
The installer is required to observe the instructions outlined in this manual.
Once installation is complete, it is the installer's duty to inform and instruct the user on how to operate the water
heater and carry out the main operations correctly.

3.3 Safety regulations

Refer to Paragraph 1.1 under the section GENERAL INFORMATION for the description of the symbols used in the
table below.
Ref. Warning
Protect connection piping and cables so as to
1 avoid them being damaged.
Make sure the installation site and any
systems to which the appliance must be
2
connected fully comply with the regulations in
force.
Use manual tools and equipment that are
suitable for the intended use (in particular,
ensure that the tool is not worn and that the
3
handle is intact and securely fixed); use them
correctly and prevent them falling from a
height. Put them safely back in place after use.
Use electrical equipment that is suitable for the
intended use; use the equipment correctly,
keep passages clear of the power supply
4
cable, prevent the equipment falling from a
height, disconnect and put back in place after
use.
Descale the components, in accordance with
the instructions of the safety data sheet
included with the product used, while
5
ventilating the room and wearing protective
clothing; avoid mixing different products and
protect the appliance and surrounding objects.

TECHNICAL INFORMATION FOR INSTALLERS

Type of risk
Electrocution caused by exposure to live wires.
Flooding due to water leaking from damaged
pipes.
Electrocution from contact with live wires that
have been incorrectly installed.
Damage to the appliance caused by improper
operating conditions.
Personal injury caused by flying splinters or
fragments, inhalation of dust, knocks, cuts,
puncture wounds and abrasions.
Damage to the appliance or surrounding
objects caused by falling splinters, knocks and
incisions.
Personal injury caused by flying splinters or
fragments, inhalation of dust, knocks, cuts,
puncture wounds and abrasions.
Damage to the appliance or surrounding
objects caused by falling splinters, knocks and
incisions.
Personal injury caused by acidic substances
coming into contact with skin or eyes; inhaling
or swallowing harmful chemical agents.
Damage to the appliance or surrounding
objects due to corrosion caused by acidic
substances.
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