Installation manual
23
EMRQ8~16ABY1
Daikin Altherma outdoor unit
4P501819-1 – 2017.08
13.2. Important information regarding the refrigerant
used
This product contains fluorinated greenhouse gases. Do not vent
gases into the atmosphere.
Refrigerant type:
R410A
GWP
(1)
value:
2087.5
(1)
GWP = global warming potential
Fill in the label as follows:
13.3. Calculating the additional refrigerant charge
Additional refrigerant to be charged R (kg)
R should be rounded off in units of 0.1 kg
R = [((X
1
x Ø15.9) x 0.18) + ((X
2
x Ø12.7) x 0.12)
+ ((X
3
x Ø9.5) x 0.059)]
X
1...3
= Total length (m) of liquid piping size at
Øa
■
For EKHBRD
System liquid piping
System discharge piping
13.4. Method for adding refrigerant
Precautions when adding refrigerant
Be sure to charge the specified amount of refrigerant in liquid state.
Since this refrigerant is a mixed refrigerant, adding it in gas form may
cause the refrigerant composition to change, preventing normal
operation.
■
Before charging, check whether the refrigerant cylinder is
equipped with a siphon tube or not.
■
Be sure to use tools exclusively for R410A to ensure required
pressure resistance and to prevent foreign materials from mixing
into the system.
1
From the multilingual fluorinated greenhouse gases label peal off
the applicable language and stick it on top of
1
.
2
Factory refrigerant charge: see unit name plate
3
Additional refrigerant amount charged
4
Total refrigerant charge
5
Greenhouse gas emissions of the total refrigerant charge
expressed as tonnes CO
2
-equivalent
6
GWP= Global warming potential
CAUTION
In Europe, the
Greenhouse gas emissions
of the total
refrigerant charge in the system (expressed as tonnes
CO
2
-equivalent) is used to determine the maintenance
intervals. Follow the applicable legislation.
Formula to calculate the greenhouse gas emissions:
GWP value of the refrigerant x Total refrigerant charge [in
kg] / 1000
2
Contains fluorinated greenhouse gases
2
1
1
1
2
2
kg
tCO
2
eq
GWP ◊ kg
1000
=
=
+
kg
=
kg
=
GWP: XXX
RXXX
1
6
3
4
5
a
b
c
d
e
H1
A
B
C
D
1
2
3
4
5
H2
f
g
h
i
a
b
c
d
e
H1
A
B
C
D
1
2
3
4
5
H2
f
g
h
i
Charge the liquid
refrigerant with the
cylinder in upright
position.
Charge the liquid
refrigerant with the
cylinder in up-side-down
position.
Charging with an unsuitable substance may cause
explosions and accidents, so always make sure that the
appropriate refrigerant (R410A) is charged.
Refrigerant containers must be opened slowly.
■
When charging a system, charging over the
permissible quantity can cause liquid hammer.
■
Always use protective gloves and protect your eyes
when charging refrigerant.
4PEN501819-1.book Page 23 Wednesday, September 13, 2017 12:52 PM
