18
Installation Procedure
English
Instal
lation Pr
oc
edur
e
Step 6 Connecting the refrigerant pipe
◆ AJ040/050NCJ2EG
1
Piping outside diameter
Indoor unit
Out unit
Power
supply Ø,
V, Hz
Outside
diameter
Liquid Gas
**07/09/
12********
AJ040NCJ2EG
AJ050NCJ2EG
1,220-240,
50
1/4"
3/8"
NOTE
• This product requires no additional refrigerant charge
up to the maximum allowable pipe length.
Maximum allowable refrigerant charge amount
AJ040NCJ2EG/EU
980 g
AJ050NCJ2EG/EU
1180 g
• In addition to table 1, make sure that the indoor and
outdoor unit are installaed in a space at least of
4m²
to
guarantee the regular maintenance or service repair.
• Reference:Table 1 (defined according to EN378-1:2017)
[Unit:m
2
]
Charge amount
(kg)
Installation
height(m)
1.224
1.225
1.250
1.500
1.750
2.000
2.250
2.500
0.6
NO l
imitations
12.77
13.30
19.15
26.06
34.04
43.09
53.19
1
4.60
4.79
6.89
9.38
12.26
15.51
19.15
1.8
1.42
1.48
2.13
2.90
3.78
4.79
5.91
2
1.15
1.20
1.72
2.35
3.06
3.88
4.79
2.2
0.95
0.99
1.42
1.94
2.53
3.20
3.96
• IMPORTANT: it’s mandatory to consider either the table
1 or taking into consideration the local law regarding
the minimum living space of the premises.
• Minimum installation height of indoor unit is 0.6 m for
floor mounted, 1.8 m for wall, 2.2 m for ceiling.
• AJ***NCJ2EG Outdoor unit can be connected to the
following indoor unit combination.
-AR**MXWS****
-AR**NX******
2
Piping length and the height
1 Room
max
length
2 Room
total max
length
Max height
between
indoor unit
& outdoor
unit
Max height
between
indoor units
Dimension
20m
30m
15m
7.5m
Composition
A,B
A+B
(H)
(h)
CAUTION
•
3 m as minimum pipe length: It will reduce noise and
vibration.
•
Tighten the nuts to the specified torques.
If overtightened, the nuts could be broken so
refrigerant may leak.
•
Protect or enclose refrigerant tubing to avoid
mechanical damage.
NOTE
•
The appearance of the unit may be different from the
diagram depending on the model.
•
You can use the Cool and Heat modes in the following
conditions :
Model
Cool
Heat
Outdoor
temperature
-5 °C to 46 °C
-15 °C to 24 °C
- It could take maximum 60 minutes to operate for the
protection of the compressor,if the outdoor temperature
is below -5°C.
Make at least one round:
It will reduce noise and vibration
A
B
(h) (H)
Main power switch
Summary of Contents for AJ NCJ2EG Series
Page 38: ......