Connecting The Refrigerant Piping; About Connecting The Refrigerant Piping; Precautions When Connecting The Refrigerant Piping - Daikin 3MXM40N2V1B8 Installer's Reference Manual
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- Installation manual (28 pages) ,
- Installer's reference manual (84 pages)
Table of Contents
7
|
Piping installation
7.2 Connecting the refrigerant piping
7.2.1 About connecting the refrigerant piping
7.2.2 Precautions when connecting the refrigerant piping
Installer reference guide
36
CAUTION
▪
No brazing or welding on site for units with R32 refrigerant charge during
shipment.
▪
During installation of the refrigeration system, joining of parts with at least one
part charged shall be performed taking into account the following requirements:
ð inside occupied spaces non permanent joints are not allowed for R32 refrigerant
except for site made joints directly connecting the indoor unit to piping. Site
made joints directly connecting piping to indoor units shall be of non permanent
type.
CAUTION
Do NOT connect the embedded branch piping and the outdoor unit when only
carrying out piping work without connecting the indoor unit in order to add another
indoor unit later.
WARNING
▪
Only use R32 as refrigerant. Other substances may cause explosions and
accidents.
▪
R32 contains fluorinated greenhouse gases. Its global warming potential (GWP)
value is 675. Do NOT vent these gases into the atmosphere.
▪
When charging refrigerant, ALWAYS use protective gloves and safety glasses.
Before connecting the refrigerant piping
Make sure the outdoor and indoor unit are mounted.
Typical workflow
Connecting the refrigerant piping involves:
▪
Connecting the refrigerant piping to the indoor unit
▪
Connecting the refrigerant piping to the outdoor unit
▪
Insulating the refrigerant piping
▪
Keeping in mind the guidelines for:
-
Pipe bending
-
Flaring pipe ends
-
Using the stop valves
INFORMATION
Also read the precautions and requirements in the following chapters:
▪
"2 General safety
▪
"7.1 Preparing refrigerant
4
precautions" [
5]
4
piping" [
33]
2MXM68+3(A)MXM+3(A)MXF+4MXM+5MXM
R32 Split series
4P600463-1C – 2020.08
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