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Unit installation
Installer and user reference guide
46
FXSN50~112A2VEB
CO₂ Conveni-Pack: indoor unit
4P602817-1A – 2020.05
Access category
Location classification
I
II
III
IV
General
Toxicity limit × Room volume
or
No charge
restriction
The charge shall
be assessed
according to
location I, II or III,
depending on the
location of the
ventilated
enclosure
Supervised
Upper floors
without
emergency exits
Toxicity limit × Room
volume
or
No charge
restriction
Below ground
floor level
Other
No charge restriction
Authorized
Upper floors
without
emergency exits
Toxicity limit × Room
volume
or
Below ground
floor level
Other
No charge restriction
15‒1 Description of access categories
Access category
Description
Examples
General access
Rooms, parts of buildings, buildings
where:
▪
sleeping facilities are provided;
▪
people are restricted in their
movements;
▪
an uncontrolled number of people are
present;
▪
any person has access without being
personally
acquainted
with
the
necessary safety precautions.
Hospitals, courts or prisons, theatres,
supermarkets, schools, lecture halls, public
transport terminals, hotels, restaurants.
Supervised access
Rooms, parts of buildings, buildings
where only a limited number of people
may be assembled, some being
necessarily acquainted with the general
safety precautions of the location.
Business or professional offices, laboratories,
places for general manufacturing and where
people work.
Authorized access
Rooms, parts of buildings, buildings
where only authorized persons have
access, who are acquainted with
general and special safety precautions
of the location and where
manufacturing, processing or storage of
material or products take place.
Manufacturing facilities, e.g. for chemicals,
food, beverage, ice, ice cream, refineries,
cold stores, dairies, abattoirs, non-public
areas in supermarkets.
15‒2 Description of location classification
Location classification
Description
Class I
Mechanical equipment
located within the occupied
space
If the refrigerating system or refrigerant-containing parts are located
in the occupied space, the system is considered to be of class I, unless
the system complies with the requirements of class II.