Samsung AJ040MCJ2EH Installation Manual - Installation Procedure
20
Installation Procedure
English
Instal
lation Pr
oc
edur
e
CAUTION
•
Inform user if system contains 5 tCO
2
e or more of
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
2
e or more of R-410A),
installer (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.
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.
•
+ : The total refrigerant charge.
2
Indoor Unit
Outdoor Unit
1
Unit
kg
tCO
2
e
, a
, b
+ , c
Refrigerant type
GWP value
R-410A
2088
•
GWP: Global Warming Potential
•
Calculating tCO
2
e : kg x GWP / 1000
NOTE
a
Factory refrigerant charge of the product: see unit
name plate
b
Additional refrigerant amount charged in the
field(Refer to the above information for the
quantity of refrigerant replenishment.)
c
Total refrigerant charge
d
Refrigerant cylinder and manifold for charging
Calculating the quantity of refrigerant to add
The quantity of additional refrigerant is variable according
to the installation situation. Thus, make sure the outdoor
unit situation before adding refrigerant.
If you install the excessive length of pipe, add additional
refrigerant as 10g(20g) per unit meter ; refer to the table
below.
Refer to the Service Manual for more details on this
operation.
Model
Total connecting
pipe length (L)
Adding refrigerant
AJ040MCJ2EH
LT≤30m
Chargeless
AJ050MCJ2EH
LT≤20m
Chargeless
LT>20m
(LT- 20m)x20g
AJ052MCJ3EH
AJ068MCJ3EH
LT≤30m
Chargeless
LT>30m
(LT- 30m)x10g
AJ070MCJ4EH
AJ080MCJ4EH
LT≤40m
Chargeless
LT>40m
(LT- 40m)x10g
Charging the refrigerant under conditions of
liquid by using a liquid pipe
R410A 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, follow the instructions below.
•
Before recharging, check whether the cylinder has
a siphon or not. There are two ways to recharge the
refrigerant.