Refrigerant - In Case Of R410A Or R32 - Daikin FTXP20N5V1B Installer's Reference Manual

Installation space requirements
To determine the minimum floor area
2.2.3 Refrigerant — in case of R410A or R32
FTXP20~35N5V1B + ATXP20~35N5V1B
Split system air conditioners
4P519439-20U – 2022.09
WARNING
If appliances contain R32 refrigerant, the floor area of the room in which the
appliances are installed, operated and stored MUST be larger than the minimum
floor area defined in table below A (m
▪
Indoor units without a refrigerant leakage sensor; in case of indoor units with
refrigerant leakage sensor, consult the installation manual
▪
Outdoor units installed or stored indoors (e.g. winter garden, garage, machinery
room)
NOTICE
▪
Protect pipework from physical damage.
▪
Keep the pipework installation to a minimum.
1 Determine the total refrigerant charge in the system (= factory refrigerant
charge + additional refrigerant amount charged).
Contains fluorinated greenhouse gases
R32
1 =
GWP: xxx
2 =
2
1
1 + 2
=
GWP × kg
=
1000
2 Determine which graph or table to use.
▪ For indoor units: Is the unit ceiling-mounted, wall-mounted or floor-
standing?
▪ For outdoor units installed or stored indoors, this depends on the installation
height:
If the installation height is...
<1.8 m
1.8≤x<2.2 m
≥2.2 m
m Total refrigerant charge in the system
A Minimum floor area
min
(a) Ceiling-mounted unit (= Ceiling-mounted unit)
(b) Wall-mounted unit (= Wall-mounted unit)
(c) Floor-standing unit (= Floor-standing unit)
If applicable. See the installation manual or installer reference guide of your
application for more information.
2 General safety precautions
|
2
). This applies to:
kg
kg
kg
tCO eq
2
Then use the graph or table for...
Floor-standing units
Wall-mounted units
Ceiling-mounted units
Installer reference guide
9