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Step 3.4 Adding refrigerant
If you use a pipe longer than the length specified in
the piping codes and standards, you must add 15g of
refrigerant R-410A for each extra metre. If you use a pipe
shorter than the length specified in the piping codes and
standards, the evacuating time is normal. Refer to the
Service Manual for further details.
CAUTION
The remaining air in the Refrigeration cycle, which
contains moisture, may cause malfunction of the
compressor.
Always contact the service centre or a professional
installation agency for product installation.
R-410A is a mixed type of refrigerant. It is necessary for
recharging under conditions of liquid. When recharging
refrigerant from the refrigerant cylinder to the equipment,
take the following instructions:
Before recharging, check whether the cylinder has
a siphon or not. There are two ways to recharge the
refrigerant:
Siphon
Charge the refrigerant standing
.
the cylinder upright
<Cylinder with siphon>
NOTE
If R-410A refrigerant is charged with gas, the
composition of the charged refrigerant changes and
the characteristics of the equipment vary.
During the measuring operation of refrigerant quantity
added, use electronic scales. If cylinder doesn't have
siphon, upset it.
46 English
Charge the refrigerant turning
the cylinder upside down.
<Cylinder without siphon>
Step 3.5 Important information
regulation regarding the refrigerant
used
This product contains fluorinated greenhouse gases. Do
not vent gases into the atmosphere.
CAUTION
Inform user if system contains 5 tCO
fluorinated greenhouse gases. In this case, it has to be
checked for leakage at least once every 12 months,
according to regulation n°517/2014. This activity has
to be covered by qualified personnel only. In case
situation above (5 tCO
e or more of R-410A), installer
2
(or recognized person which has responsibility for
final check) has to provide a maintenance book, with
all the information recorded according to REGULATION
(EU) No 517/2014 OF THE EUROPEAN PARLIAMENT
AND OF THE COUNCIL of 16 April 2014 on fluorinated
greenhouse gases.
1. Please fill in the following with indelible
ink on the refrigerant charge label supplied
with this product and on this manual.
the factory refrigerant charge of the product,
the additional refrigerant amount charged in
the field and
+
the total refrigerant charge. on the
refrigerant charge label supplied with the product.
Refrigerant type
R-410A
GWP=Global Warming Potential
Calculating tCO
e : kg x GWP / 1000
2
Indoor unit
Unit
①, a
②, b
①+②, c
e or more of
2
GWP value
2088
Outdoor unit
Kg
tCO
e
2
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