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Operating temperatures
Cooling mode max. temperature
Heating mode max. temperature
The operating temperature range (outdoor temperature) for cooling is -18 ℃ ~ 43℃; The heating
NOTE:
temperature range for the low temperature system model is -15 ℃ ~ 24 ℃; The heating temperature range
with low temperature system is -20 ℃ ~ 24 ℃.
Safety operations related to the refrigerant
Qualifications required for installation and maintenance
All workers who install refrigeration systems should have valid certification issued by the competent
authority, and qualification for the treatment of the refrigeration system recognized by this sector. If
another technician is needed for the maintenance and repair of the appliance, these must be supervised by
the person who is qualified for the use of the flammable refrigerant.
Installation notes
−
It is not allowed to use the air conditioner in a room where a fire has occurred.
−
Drilling holes or burning the connection pipe is not allowed.
−
The air conditioner must be installed in a room that guarantees the minimum surface. The
minimum surface is shown in table1
−
Obligation to check for leaks after installation.
Table 1
Gas
charge
(kg)
Pos.
floor
Minimum area
Pos.
of the room
Window
(m2)
Pos.
Wall
Pos. on
the
ceiling
Notes for maintenance
Check if the installation area or the room surface meets the requirements indicated on the label.
−
It is mandatory to operate in an environment that respects the factory data and the data shown on
the label
MUI_N-SMVHxxB-xA2A3NG(O)_Ita_Eng_Fra_Deu_Neutro/Rev.00/Data 08.07.2020
30
Dry bulb/Wet bulb (°C)
<=
1.3
1.4
1.5
1.2
/
14.5 16.8 19.3 22.0 24.8 27.8 31.0 34.4 37.8 41.5 45.4 49.4 53.6
/
5.2
6.1
7.0
/
1.6
1.9
2.1
/
1.1
1.3
1.4
Indoor
32/23
27/-
1.6
1.7
1.8
1.9
7.9
8.9
10.0 11.2 12.4 13.6 15
2.4
2.8
3.1
3.4
1.6
1.8
2.1
2.3
30
External
Dry bulb/Wet bulb (°C)
43/26
24/18
2.0
2.1
2.2
2.3
16.3 17.8 19.3
3.8
4.2
4.6
5
2.6
2.8
3.1
3.4
2.4
2.5
5.5
6.0
3.7
4.0
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