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4.3 Installation
INFORMATION:
For the installation / commissioning / positioning of units containing R32, depending on the amount of
refrigerant, check the regulatory requirements that must be met for the installation site.
4.3.1
Installation of the standard machine
OBLIGATION:
All the phases of installation must be covered in the general project.
Before starting the installation of the machine, in addition to defining the technical requirements, the person authorised to perform
the work must, if necessary, implement a "safety plan" to safeguard the safety of the people directly involved, and strictly implement
the safety rules and, in particular, the laws that apply to mobile construction sites.
Before installing the machine, be sure that:
o
the area is perfectly flat and can ensure long-term stability;
o
the floor of the building on which the machine is to be installed is of adequate capacity;
o
the machine is easily accessible to all people who must interact with it during its expected useful life.
o
it must be possible to perform all maintenance and replacement operations (routine and extraordinary) easily and
without risks to people and in compliance with the laws in force concerning safety at work.
o
the spaces are adequate to ensure appropriate air flow for correct machine operation and ventilation.
o
the minimum space requirements for operation and inspection indicated in this manual are ensured.
o
air intake and delivery are never hindered or obstructed, even partially.
o
if people and vehicles are expected to transit in the vicinity, suitable fencing must be erected, in compliance with
existing regulations and ensuring at least the minimum required clearance around the machine for carrying out any
intervention that may be required on the same.
The machine must be installed indoors, in a non-aggressive atmosphere.
Avoid suspended wall or ceiling installations.
OBLIGATION:
The unit must be installed according to the requirements of standard EN 378-3 and the local
regulations in force, in particular taking into account the category of occupation of the premises and
the safety class defined by EN 378-1.
INFORMATION:
R32 gas is classified as slightly flammable (A2L). The installer/maintenance technician must ensure,
in accordance with the regulations in force, proper ventilation of the site, in order to prevent the
development of dangerous conditions in the event of a refrigerant leak.
Installation, use and maintenance manual
Coolant
R410A
Safety class
A1
R32
A2L
19
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