Refrigerant - In Case Of R410A Or R32 - Daikin FTXP25M5V1B9 Installer's Reference Manual

2 | General safety precautions
2.1.3 Refrigerant — in case of R410A or R32
Installer reference guide
8
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.
NOTICE
Make sure refrigerant piping installation complies with applicable legislation. In
Europe, EN378 is the applicable standard.
NOTICE
Make sure the field piping and connections are NOT subjected to stress.
WARNING
During tests, NEVER pressurise the product with a pressure higher than the
maximum allowable pressure (as indicated on the nameplate of the unit).
WARNING
Take sufficient precautions in case of refrigerant leakage. If refrigerant gas leaks,
ventilate the area immediately. Possible risks:
▪
Excessive refrigerant concentrations in a closed room can lead to oxygen
deficiency.
▪
Toxic gas might be produced if refrigerant gas comes into contact with fire.
kg
kg
kg
tCO eq
2
Then use the graph or table for...
Floor-standing units
Wall-mounted units
Ceiling-mounted units
FTXP20~35M5V1B9
Split system air conditioners
4P519439-7S – 2021.12