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8.4.2 Precautions when charging refrigerant
8.4.3 Charging additional refrigerant
To determine the additional refrigerant amount
Charging refrigerant: Setup
To charge additional refrigerant
ERRA08~12E + ELVZ12S18+23E
Daikin Altherma 3 R MT F
4P708478-1 – 2023.05
INFORMATION
Also read the precautions and requirements in the following chapters:
▪
"2 General safety
▪
"8.1 Preparing refrigerant
If the total liquid piping
length is...
≤10 m
>10 m
INFORMATION
Piping length is the one-way length of liquid piping.
See
"8.3.3 Checking refrigerant piping:
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.
NOTICE
To avoid compressor breakdown, do NOT charge more than the specified amount of
refrigerant.
Prerequisite: Before charging refrigerant, make sure the refrigerant piping is
connected and checked (leak test and vacuum drying).
1 Connect the refrigerant cylinder to the service port of the gas stop valve.
2 Charge the additional refrigerant amount.
3 Open the stop valves.
4
precautions" [
10]
4
piping" [
82]
Do NOT add additional refrigerant.
R=(total length (m) of liquid piping – 1 0 m)×0.020
R=Additional charge (kg) (rounded in units of
0.01 kg)
4
Setup" [
91].
8
Piping installation
|
Then...
Installer reference guide
95
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