
8
operating temperature
Note:
Performance may be reduced outside of these operating tem-
peratures.
Cooling operation
Outdoor
temperature
Indoor
temperature
18-43°C/64-109°F (18-52°C/64-
125°F for special tropical models.
17-32°C/62-90°F
power point requirement
• Power cord conductors are distinguished according to color as fol-
lows (see Fig. a).
• For your safety and protection, this unit is earthed through the
power cord (see Fig. b).
• Please contact the manufacturer or its service agent or a similar
qualified person if you want to replace it.
• Be sure that the unit has being correctly grounded. The wall outlet
(air-break switch) should be provided with reliable earth wire.
• The unit should be provided with an individual circuit and the cir-
cuit breaker/fuse rating should be the same as that of the power
cord and wall outlet.
Power cord
L
E
N
E- Earth wire, Yellow/Green
N-Neutral wire, Blue
L-Live wire, Brown
Fig. A
Wall outlet
Air-break switch
Fig. B
NOTE:
To be in compliance EN61000-3-11, the product MWT2F-
21CM-QB4 shall be connected only to a supply of the system imped-
ance: |Zsys|=0.156 ohms or less; the product MWT2F1-22CM-QB4
shall be connected only to a supply of the system impedance:
|Zsys|=0.132 ohms or less; the product MWT2F1-22CM-QB8 shall be
connected only to a supply of the system impedance: |Zsys|=0.077
ohms or less. Before connecting the product to public power net-
work, please consult your local power supply authority to ensure the
power network meet above requirement.